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Capacitor patents

      

This page is updated frequently with new Capacitor-related patent applications.




 Digital unit cell with analog counter element patent thumbnailDigital unit cell with analog counter element
According to one aspect, embodiments herein provide a digital unit cell comprising a photodiode, an integration capacitor, a comparator configured to compare a voltage across the integration capacitor with a threshold voltage and to generate a control signal at a first level each time the voltage across the integration capacitor is greater than the threshold voltage, a charge subtraction circuit configured to receive the control signal at the first level and to discharge accumulated charge on the integration capacitor each time the control signal at the first level is received, at least one analog counter configured to receive the control signal at the first level from the comparator and to decrease a count voltage by a fixed amount each time the control signal at the first level is received from the comparator, and a counter readout circuit configured to provide the count voltage to an image processing circuit.. .
Raytheon Company


 Half-bridge switching circuit system patent thumbnailHalf-bridge switching circuit system
One example includes a half-bridge switching circuit system. The system includes a first plurality of switches arranged between a first rail voltage and an output on which an output voltage is provided and a second plurality of switches arranged between a second rail voltage and the output, the first and second pluralities of switches being controlled via a plurality of switching signals.

 Multilevel converter patent thumbnailMultilevel converter
A multilevel converter comprising a first switching branch connected between a positive dc-link terminal and an ac output terminal and comprising series-connected first and second switching elements, a second switching branch connected between the ac output terminal and a negative dc-link terminal and comprising series-connected third and fourth switching elements, a third switching branch connected between a dc-link neutral point and a connection point of the first and the second switching elements, a fourth switching branch connected between the dc-link neutral point and a connection point of the third and the fourth switching elements, the fourth switching branch being completely independent from the third switching branch, and a flying capacitor connected between the connection point of the first and the second switching elements and the connection point of the third and the fourth switching elements.. .
Ge Energy Power Conversion Technology Ltd


 Pre-charge control method patent thumbnailPre-charge control method
A pre-charge control method for a hybrid multilevel power converter comprises steps of: (a) controlling access of the current-limiting resistor unit, limiting current from the ac power via the current-limiting resistor unit, and outputting the current; (b) controlling the second capacitor unit to bypass, and charging the first capacitor unit; (c) controlling the access of the second capacitor unit when the first capacitor unit is charged to a third preset voltage, and charging the first and second capacitor units at the same time; (d) controlling the first capacitor unit to bypass when the second capacitor unit is charged to a fourth preset voltage, or the first capacitor unit is charged to a first preset voltage, and charging the second capacitor unit; and (e) controlling the access of the first capacitor units and the current-limiting resistor unit to bypass when the second capacitor unit is charged to a second preset voltage.. .
Delta Electronics (shanghai) Co., Ltd.


 Power conversion device including primary inverter, transformer, secondary converter patent thumbnailPower conversion device including primary inverter, transformer, secondary converter
A power conversion device includes first and second terminals connected to a dc power source, third and fourth terminals connected to a commercial power system or a load, a transformer including a primary winding having seventh and eighth terminals and a secondary winding having fifth and sixth terminals, an inverter circuit connected between the first and second terminals and the seventh and eighth terminals, a converter circuit connected between the fifth and sixth terminals and the third and fourth terminals, a diode bridge including first and second ac input terminals connected to the fifth and sixth terminals, respectively, and first and second dc output terminals, a first capacitor connected between the first and second dc output terminals, and a first resistor connected in parallel with the first capacitor between the first and second dc output terminals.. .
Panasonic Intellectual Property Management Co., Ltd.


 Switching power supply apparatus patent thumbnailSwitching power supply apparatus
A switching power supply apparatus includes a switching circuit, a resonance circuit, a rectifying circuit, and a control circuit. The switching circuit includes switching elements connected in series between input terminals of a source.
Fuji Electric Co., Ltd.


 Switching power converter with efficient vcc charging patent thumbnailSwitching power converter with efficient vcc charging
A switching power converter controller is provided that includes a vcc charging switch transistor coupled between a drain of a power switch transistor and a storage capacitor.. .
Dialog Semiconductor Inc.


 Method and  filtering a rectified voltage patent thumbnailMethod and filtering a rectified voltage
A configurable impedance circuit includes a controller that senses a rectified voltage and generates a first and second control signals based on a comparison of the rectified voltage to at least one threshold voltage. The configurable impedance circuit also includes a filter for filtering the rectified voltage that couples a plurality of capacitors in series to the rectified voltage in a first configuration based on the first control signal and couples the plurality of capacitors in parallel to the rectified voltage in a second configuration based on the second control signal..
Futurewei Technologies, Inc.


 Method and  filtering a rectified voltage signal patent thumbnailMethod and filtering a rectified voltage signal
A configurable impedance circuit is provided, including a filter for filtering a received dc voltage and a controller. The filter includes a first capacitor, a second capacitor, and a selectable switch coupled in series with the second capacitor and coupled to receive a control signal.
Futurewei Technologies, Inc.


 Transformer patent thumbnailTransformer
A front stage circuit of a transformer includes a switch series unit, capacitors, and a ground electrical path. The switch series unit, connected in parallel to a power supply, includes odd-numbered/even-numbered switches configured to be alternately turned on.
National University Corporation Toyohashi University Of Technology


Charger for an aerosol delivery device

A charger for an aerosol delivery device is provided. The charger comprises a housing, a connected coupled to the housing, and a power supply.
Rai Strategic-holdings, Inc.

Electric vehicle

An electric vehicle that has: a dc power supply; an inverter; an inverter control circuit; a smoothing capacitor that is connected between input terminals of the inverter; a discharge circuit that discharges the smoothing capacitor; a control power supply that supplies electric power to the inverter control circuit; a holding capacitor that stores the electric power supplied from the control power supply and supplies the electric power to the inverter control circuit; and a collision detector that detects a collision of the vehicle. The collision detector transmits a first signal and a second signal that follows the first signal when detecting the collision.
Toyota Jidosha Kabushiki Kaisha

Control system for synchronous capacitor switch

A method of controlling the connection of a multiple phase power source to a plurality of capacitors. The method including, for each phase of the power source, determining a first voltage using a first voltage divider, the first voltage divider having a first high voltage resistor and a first low voltage resistor, wherein the first voltage is equal to a voltage across the first low voltage resistor.
Hubbell Incorporated

Power distribution system using ac/dc ring configuration

A power distribution system includes at least two dc buses and at least two ac buses and a plurality of converter units interconnecting the dc buses and the ac buses in a ring. The system may further include one or more ac power sources (e.g., utility feeds, engine-generator sets, etc) connected to selected ones of the ac buses and/or one or more dc power sources (batteries, capacitor banks, fuel cells, etc.) connected to selected ones of the dc buses.
Eaton Corporation

Multi-band antenna arrays with common mode resonance (cmr) and differential mode resonance (dmr) removal

A multi-band radiating array includes a planar reflector, first radiating elements defining a first column on the planar reflector, second radiating elements defining a second column on the planar reflector alongside the first column, and third radiating elements interspersed between the second radiating elements in the second column. The first radiating elements have a first operating frequency range, the second radiating elements have a second operating frequency range that is lower than the first operating frequency range, and the third radiating elements have a third, narrowband operating frequency range that is higher than the second operating frequency range but lower than the first operating frequency range.
Commscope Technologies Llc

Negative electrode for potassium ion secondary batteries, negative electrode for potassium ion capacitors, potassium ion secondary battery, potassium ion capacitor, and binder for negative electrodes of potassium ion secondary batteries or negative electrodes of potassium ion capacitors

Provided are: a potassium ion secondary battery which is not susceptible to deterioration of charge/discharge capacity even if charging and discharging are repeated, and which has a long service life as a secondary battery; a potassium ion capacitor; a negative electrode for the potassium ion secondary battery; and a negative electrode for the potassium ion capacitor. A negative electrode for potassium ion secondary batteries and a negative electrode for potassium ion capacitors, each of which contains a carbon material that is capable of absorbing and desorbing potassium and a binder that contains a polycarboxylic acid and/or a salt thereof.
Tokyo University Of Science Foundation

Power conditioning and saving device

Systems and methods are disclosed herein to a power factor adjustor comprising: a power factor measurement unit configured to measure the power factor on an input line to a load and generate a power factor correction signal based on the measured power factor; and a power factor adjustment unit connected to the power factor measurement unit comprising: a fixed capacitor connected in series to a first switching device; and an adjustable element having a variable capacitance connected in parallel to the fixed capacitor and in series to a second switching device, wherein the overall capacitance of the power factor adjustment unit is adjusted by adjusting the capacitance of the adjustable element or by toggling the first and second switching devices in response to the power factor correction signal.. .
Powermag, Llc

Vertical fets with high density capacitor

A technique relates to semiconductors. A bottom terminal of a transistor and bottom plate of a capacitor are positioned on the substrate.
International Business Machines Corporation

Method of forming semiconductor device including edge chip and related device

A method of forming a semiconductor device includes forming a molding layer and a supporter layer on a substrate including an etch stop layer, forming a mask layer on the supporter layer, forming a first edge blocking layer on the mask layer, forming a mask pattern by etching the mask layer, forming a hole, forming a lower electrode in the hole, forming a supporter mask layer on the supporter layer, forming a second edge blocking layer on the supporter mask layer, forming a supporter mask pattern by patterning the supporter mask layer, forming a supporter opening passing through the supporter layer, removing the molding layer, forming a capacitor dielectric layer and an upper electrode on the lower electrode, forming an interlayer insulating layer on the upper electrode, and planarizing the interlayer insulating layer. The hole passes through the supporter layer, the molding layer and the etch stop layer..
Samsung Electronics Co., Ltd.

Method to fabricate a high performance capacitor in a back end of line (beol)

A method can include applying a patterned mask over a semiconductor structure, the semiconductor structure having a dielectric layer, forming using the patterned mask a material formation trench intermediate first and second spaced apart metal formations formed in the dielectric layer, and disposing a dielectric material formation in the material formation trench.. .
Globalfoundries Inc.

Hybrid capacitor and manufacturing a capacitor

An improved capacitor is described herein. The capacitor comprises a working element wherein the working element comprises an anode comprising a dielectric thereon and an anode conductive polymer layer on the dielectric.
Kemet Electronics Corporation

Metallized film capacitor, manufacturing metallized film capacitor, and metallized film laminate

A metallized film capacitor includes: a metallized film columnar body including two metallized films that are laminated and wound, the two metalized films each including a vapor-deposited metal film with a plurality of vapor-deposition-free slits and fuse portions each interposed between the vapor-deposition-free slits, and a polyvinylidene fluoride dielectric film, the metallized film columnar body having two electrode extraction surfaces; metal-sprayed parts disposed respectively on the two electrode extraction surfaces: and outgoing terminals joined respectively to the metal-sprayed parts. Each of the two metallized films has a shape with successive sloped ridges and valleys in a cross-section orthogonal to a winding direction, and the two metallized films are laminated such that the ridges and valleys of one of the metallized films are aligned with the ridges and valleys of the other one of the metallized films..
Toyota Jidosha Kabushiki Kaisha

Multilayer ceramic capacitor

In a multilayer ceramic capacitor, outer electrodes include base electrode layers including a conductive metal and a glass component on a ceramic multilayer body, conductive resin layers including a thermosetting resin and a metal component on the base electrode layers such that exposed portions of the base electrode layers are exposed at least at one corner on one end surface side of the ceramic multilayer body and at least at one corner on the other end surface side thereof, and plating layers on the conductive resin layers and the exposed portions of the base electrode layers. The exposed portions of the base electrode layers are in direct contact with the plating layers at least at one corner on the one end surface side of the ceramic multilayer body and at least at one corner on the other end surface side thereof..
Murata Manufacturing Co., Ltd.

Antifuse cell with capacitor and transistors

An antifuse cell includes an antifuse capacitor that is activatable with a breakdown voltage to provide an electrically conductive path through the capacitor. A pull-up transistor is coupled to the antifuse capacitor.
Stmicroelectronics S.r.l.

Nonvolatile memory cells having lateral coupling structures and nonvolatile memory cell arrays including the same

A nonvolatile memory (nvm) cell includes a selection transistor configured to have a selection gate terminal coupled to a word line and a source terminal coupled to a source line, a cell transistor configured to have a floating gate electrically isolated, a drain terminal coupled to a bit line and sharing a junction terminal with the selection transistor, a first coupling capacitor disposed in a first connection line coupled between the word line and the floating gate, and a p-n diode and a second coupling capacitor disposed in series in a second connection line coupled between the word line and the floating gate. An anode and a cathode of the p-n diode are coupled to the second coupling capacitor and the word line, respectively.
Sk Hynix Inc.

Semiconductor structure and memory device including the structure

A semiconductor structure includes first and second source/drain region disposed in a semiconductor body and spaced from each other by a channel region. A gate electrode overlies the channel region and a capacitor electrode is disposed between the gate electrode and the channel region.
Stmicroelectronics (rousset) Sas

Write assist circuit for lowering a memeory supply voltage and coupling a memory bit line

A circuit and method performs a write assist for a memory cell (e.g., a static random access memory cell (sram)). The method includes providing a lower supply voltage signal to a voltage supply node of the memory cell using a capacitor.
Broadcom Corporation

Methods of operating ferroelectric memory cells, and related ferroelectric memory cells and capacitors

Methods of operating a ferroelectric memory cell. The method comprises applying one of a positive bias voltage and a negative bias voltage to a ferroelectric memory cell comprising a capacitor including a top electrode, a bottom electrode, a ferroelectric material between the top electrode and the bottom electrode, and an interfacial material between the ferroelectric material and one of the top electrode and the bottom electrode.
Micron Technology, Inc.

Five-transistor-one-capacitor amoled pixel driving circuit and pixel driving method based on the circuit

An amoled pixel driving circuit has a 5t1c structure, which includes a first, a second, a third, a fourth, and a fifth thin film transistors, a capacitor, and an organic light emitting diode (oled). The first thin film transistor is a drive thin film transistor.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Amoled pixel driving circuit and pixel driving method

An amoled pixel driving circuit involves a 4t2c structure, including first to fourth thin film transistors, first and second capacitors, and an organic light emitting diode. First and second global signals and a reference voltage are supplied to the circuit.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Barcode reader and docking station for charging the barcode reader

A barcode-reading system may include a barcode reader that includes an illumination system, an image sensor, an optic system, a supercapacitor, and a first wireless point-to-point interface. The illumination system may be configured to illuminate a target area.
The Code Corporation

Handheld electronic device

The invention provides a handheld electronic device including a case, a touch display module, a pressure sensing layer, and a metal layer. The case has a receiving recess.
Chunghwa Picture Tubes, Ltd.

Hover sensor

Examples are disclosed herein that relate to hover sensing. One example provides a hover sensor comprising an electrode array including a first electrode subset and a second electrode subset, each electrode in the first electrode subset coupled to a corresponding electrode in the second electrode subset at a respective node and separated from the corresponding electrode by a gap, a charge circuit configured to charge the first electrode subset substantially oppositely about a reference voltage to the second electrode subset, an integration circuit configured to, for each respective node, store a net charge on a capacitor and provide an output voltage based on the net charge stored on the capacitor, and a controller.
Microsoft Technology Licensing, Llc

Capacitive sensor device and operation

A capacitive sensor system includes a capacitive sensor device having a sense electrode that includes a first capacitor, a first supply voltage in , a first switch operable to couple the sense electrode to the first supply voltage during a first mode and an analog to digital converter during a second mode, a second switch operable to couple a second capacitor to a second supply voltage during the first mode and to an open circuit during the second mode, and a resistive element that includes a first terminal coupled between the first capacitor and the first switch, and a second terminal coupled between the second capacitor and the second switch.. .
Freescale Semiconductor, Inc.

Capacitor life diagnosis apparatus and capacitor life diagnosis method

A capacitor life diagnosis apparatus includes ringing detection circuitry that detects ringing of an output voltage of a power source including a capacitor at an output end, and signal generation circuitry that generates a signal indicating a life of the capacitor based on the ringing detected by the ringing detection circuitry.. .
Fujitsu Limited

Remote sensing using sensor resonator with sensor inductor coupled to resonator capacitor over shielded cable

Remote inductive sensing uses a sensor resonator with a remote sense inductor coupled to a resonator capacitor through a shielded transmission line. The t-line includes a signal line and a shield return line: the sense inductor is connected at a t-line sensing end between the signal line and the shield return line, and the resonator capacitor is connected at a t-line terminal end to at least the signal line.
Texas Instruments Incorporated

Overvoltage detection circuit for detecting an overvoltage spike from an external power supply

An overvoltage detection circuit coupled to an external power supply via a voltage supply line and comprising a transistor comprising first terminal coupled to the voltage supply line, second terminal coupled to the first terminal via a resistor, the second terminal coupled to a parasitic capacitor, the transistor configured to receive an overvoltage spike from the external power supply on the first terminal, and provide an output voltage on third terminal of the transistor to indicate detection of the overvoltage spike when it has a duration less than a time constant based on the resistor and the parasitic capacitor and amplitude that exceeds a threshold voltage of the transistor. The overvoltage detection circuit further comprises a monitor circuit configured to receive the output voltage from the transistor and provide a digital signal providing a notification of the detected overvoltage spike from the external power supply on the voltage supply line..
Western Digital Technologies, Inc.

Inductive position detector

An inductive position detector with a first and second body, at least one of said bodies being displaceable relative to the other along a measurement path wherein said first body comprises one or more antenna windings forming a first arrangement of windings and said second body comprises a passive resonant circuit incorporating one or more target windings in series with a capacitor; said circuit covering at least in part said first arrangement; characterized in that said first body comprises an additional winding arrangement disposed along at least part of said measurement path; said additional winding arrangement being spaced from said first arrangement of windings; and said second body comprises an additional winding arrangement covering at least in part said additional winding arrangement of said first body.. .

Thermoelectrically powered portable light source

Provided is a portable, thermoelectrically powered device, such as a flashlight or headlamp. The device comprises at least one thermoelectric generator for extracting body heat from a user, the thermoelectric generator located on and extending through an elongated open ended outer shell, a heat sink in contact with an inner surface of the thermoelectric generator and configured to provide an elongated first cooling channel therethrough, circuitry in electrical communication with the thermoelectric generator, the circuitry comprising a transistor oscillator, a step-up transformer and a decoupling capacitor, the circuitry in electrical communication with a power sink, such that in use, a temperature gradient across the thermoelectric generator is sufficient to result in generation of at least about 25 μw of power..
Makotronics Enterprises Inc.

Polymer film, waterproof sound-permeable membrane, waterproof sound-permeable member, electronic device, electronic device case, waterproof sound transmission structure, waterproof gas-permeable membrane, waterproof gas-permeable member, waterproof ventilation structure, suction sheet, holding workpiece by suction on suction unit, producing ceramic capacitor, optical film, optical member, and composition

The polymer film of the present invention has through holes extending from one principal surface of the polymer film to the other principal surface of the polymer film. The through holes are straight holes having a central axis extending straight, and have a shape in which the area of a cross-section perpendicular to the direction of the central axis increases from the one principal surface of the polymer film toward the other principal surface.
Nitto Denko Corporation

Adjustable capacitance value for tuning oscillatory systems

The present disclosure relates to tuning oscillatory systems. The teachings thereof may be embodied in a device having an adjustable capacitance value for tuning a first oscillatory system, connectable to a second oscillatory system having an unknown and weak coupling factor.
Siemens Aktiengesellschaft

Circuit board having a feedthrough wire connector for use in a medical device

A feedthrough filter capacitor assembly comprising a terminal pin connector is described. The terminal pin connector is designed to facilitate an electrical connection between the terminal pin comprising a multitude of compositions to a circuit board of an implantable medical device.
Greatbatch Ltd.

Electronic component with interposer

In an embodiment, a multilayer ceramic capacitor with interposer cwi1 has adhesive material parts 40 provided between the multilayer ceramic capacitor 10 and interposer 20, and the adhesive material parts 40 include space-setting members 41 for setting the spacing between the multilayer ceramic capacitor 10 and interposer 20. The electronic component with interposer can offer an improvement to the issue of its height dimension varying excessively..
Taiyo Yuden Co., Ltd.

High-frequency module

A high-frequency module includes a multilayer substrate that includes an insulator layer and a wiring electrode, a component on one main surface of the multilayer substrate, a resin layer on the one main surface so as to cover the component, and a shield electrode covering at least a portion of a surface of the resin layer and at least a portion of a side surface of the multilayer substrate. The wiring electrode includes a capacitor via electrode that is spaced away from the shield electrode inside the multilayer substrate, and a first capacitor is defined by the shield electrode and the capacitor via electrode..
Murata Manufacturing Co., Ltd.

Illumination device having a light emitting source operated via a clamped series resonator converter

An illumination device is provided. The illumination device includes a light emitting source and a clamped series resonant converter (csrc) coupled thereto.
General Electric Company

Earphone

Earphones including condenser type electroacoustic transducers exhibit compatibility between an open type earphone mode and a closed type earphone mode for improving convenience. An exemplary earphone includes a diaphragm, at least one fixed electrode constituting a capacitor with the diaphragm, a housing accommodating the diaphragm and the at least one fixed electrode, the housing having an interior and an exterior, a sound conduit protruding forward from the housing, communication holes establishing communication between the interior and the exterior of the housing, and an opening and closing mechanism to open and close the communication holes.
Audio-technica Corporation

Tunable radio frequency (rf) equalizer

A radio frequency (rf) equalizer includes a coupler including an input port, an output port, a coupling port, and an isolation port; a combination circuit including; a coupling node electrically coupled to the coupling port; a first digitally controlled capacitor (dtc) connected between the coupling node and ground; a resistor connected between the coupling node and ground for controlling a quality factor (q) of resonance of the equalizer; an isolation node coupled to the isolation port; and a second dtc connected between the isolation node and ground. A system and a method of operation are provided..
Corning Optical Communications Wireless Ltd

Method of connecting one or more contactless components to a single antenna, and corresponding system

An electronic device includes an antenna, an irremovable component, a removable component, an impedance matching circuit, and a controller. The impedance matching circuit is arranged in a first configuration corresponding to the removable component connected to the irremovable component.
Stmicroelectronics (rousset) Sas

Lc filter layer stacking by layer transfer to make 3d multiplexer structures

A three dimensional (3d) multiplexer structure may include a first two dimensional (2d) inductor capacitor (lc) filter layer. The first 2d lc filter layer may include a first 2d spiral inductor and a first capacitor(s).
Qualcomm Incorporated

Level shifter and calibration

A level shifter includes a signal generator that generates differential signals on a first output and a second output. A first capacitor is coupled between the first output and a first node and a second capacitor is coupled between the second output and a second node.
Texas Instruments Incorporated

Gate drive circuit

A gate drive circuit has a capacitor and a gate drive voltage source connected in series with a gate terminal of a voltage-driven switching device. The gate drive source voltage feeds, as a gate drive voltage, a voltage higher than the sum of the voltage applied to a gate-source parasitic capacitance of the switching device when the switching device is in a steady on state and the voltage applied to, of any circuit component interposed between the gate drive voltage source and the gate terminal of the switching device, a circuit component other than the capacitor (such as an upper transistor forming the output stage of the driver).
Rohm Co., Ltd.

Tank circuit and frequency hopping for isolators

Embodiments of the present disclosure may provide a circuit comprising a tank circuit. The tank circuit may include an inductor having a pair of terminals, a first pair of transistors, and a first pair of capacitors.
Analog Devices Global

High pass filter

A high pass filter includes a first lc series resonator including a first end connected to a signal path, and a second end connected to at least one ground terminal, a second lc series resonator including a third end electrically connected to the signal path, and a fourth end connected to the at least one ground terminal, and a third capacitor between a first portion extending from a first capacitor to a first inductor and a second portion extending from a second capacitor to a second inductor.. .
Murata Manufacturing Co., Ltd.

Variable filter circuit, rf front end circuit and communication device

Provided is a variable filter circuit that can control the bandwidth and center frequency of a pass band, can realize steep attenuation characteristics in bands close to the pass band, and enables the total number of variable reactance units to be reduced. A variable filter circuit includes an inductor (ls1) and a capacitor (cs1), which are connected in series between a first input/output terminal (p1) and a second input/output terminal (p2), and resonators (re_p1, re_p2, re_p3, re_p4) and variable capacitors (cc1, cc2, cc3, cc4), which are connected in series between two ends of the inductor (ls1) and the capacitor (cs1) and ground connection terminals..
Murata Manufacturing Co., Ltd.

Low-pass filter

In one aspect, the present disclosure provides a surface-mounted low-pass filter, including: a mounting surface having an input terminal electrode, an output terminal electrode, and a ground terminal electrode; a parallel resonant circuit between the input terminal electrode and the output terminal electrode; and a series resonant circuit between one end of the parallel resonant circuit and the ground terminal electrode, wherein the series resonant circuit has a first capacitor and a first inductor, and wherein, when the low-pass filter is viewed from above in a direction perpendicular to the mounting surface with the mounting surface on the bottom, the first inductor of the series resonant circuit is above the first capacitor.. .
Taiyo Yuden Co., Ltd.

Programmable amplifier circuit capable of providing large or larger resistance for feedback path of its amplifier

A programmable amplifier circuit includes an amplifier, an input capacitor coupled to an input of the amplifier, a feedback capacitor coupled to the input of the amplifier and an output of the amplifier, and a switched-capacitor resistor circuit. The switched-capacitor resistor circuit is coupled between the input of the amplifier and the output of the amplifier, and configured for simulating a feedback resistor element to provide a resistance for a feedback path of the amplifier by using at least one capacitor placed between the input of the amplifier and the output of the amplifier to avoid leakage current(s) flowing back to an input of the amplifier..
Mediatek Inc.

Power amplification circuit

A power amplification circuit that includes: a capacitor element in which a first metal layer, a first insulating layer, a second metal layer, a second insulating layer and a third metal layer are sequentially stacked, the capacitor element including a first capacitor in which the first metal layer serves as one electrode thereof and the second metal layer serves as another electrode thereof, and a second capacitor in which the second metal layer serves as one electrode thereof and the third metal layer serves as another electrode thereof; and a transistor that amplifies a radio-frequency signal. The radio-frequency signal is supplied to the one electrode of the first capacitor.
Murata Manufacturing Co., Ltd.

Power tool with electric motor and auxiliary switch path

A power tool is configured to receive power from a power supply. The power tool may include a rectifier that may output a rectified signal to a dc power bus.
Black & Decker Inc.

Power tool and motor drive system thereof

A motor drive system is provided, which includes: an inverter including an upper-half bridge and a lower-half bridge, the upper-half bridge and the lower-half bridge each including at least two semi-conductive switch elements, where the inverter is configured to convert a voltage provided by a power supply to an alternating current to drive a motor; a microcontroller configured to output a drive signal to the alternately turn on each two of the at least two semi-conductive switch elements of the upper-half bridge and each two of the at least two semi-conductive switch elements of the lower-half bridge when the motor performs braking, whereby a motor winding and the turned-on semi-conductive switch elements form a circuit a capacitor configured to supply power to the microcontroller when the motor performs braking.. .
Johnson Electric S.a.

Neutral point regulator hardware for a multi-level drive

The present disclosure relates generally to a neutral point balancing scheme for power converter systems. The balancing circuit includes a first side of a first electrical component operably coupled to a mid-point of the dc link capacitor bank, and a switching combination operably coupled to the second side of the first electrical component, a positive voltage, and a negative voltage rail, wherein the switching combination is configured to generate a pulse-width modulation signal at the second side of the first electrical component..
Otis Elevator Company

Apparatus for balancing voltages of dc link capacitor in inverter

An apparatus for balancing a voltage of a direct current (dc) link capacitor of an inverter is provided. The apparatus of the present disclosure includes a switching unit connected to a node (a reference point) between the first and second resistors, which are connected in series to each other, and a node (a neutral point) between the first and second capacitors, which are connected in series to each other, and configured to short and open between the reference point and the neutral point, and a control unit configured to control the switching unit to short between the reference point and the neutral point when a voltage of the reference point (a reference point voltage) and a voltage of the neutral point (a neutral point voltage) are different from each other..
Lsis Co., Ltd.

Transformer

A transformer includes a front stage circuit and a rear stage circuit. As a front stage circuit, a switch series unit, which is connected in parallel to a power supply, includes odd-numbered switches and even-numbered switches alternately turned on.
National University Corporation Toyohashi University Of Technology

Voltage discharge circuit

Technologies are described for an adaptable power supply that can switch between two or more output voltages. The power supply includes discharge circuitry that utilizes the secondary windings of a transformer as a discharge path when the power supply switches from a high voltage level to a low voltage level.
Microsoft Technology Licensing, Llc

Method for driving a resonant converter, and corresponding device and computer program product

A resonant converter includes a primary switching circuit including a primary winding and upper and lower switching half-bridge circuits alternately activated during switching cycles of the resonant converter responsive to switching control signals. The switching half-bridge circuits each include a phase node to drive the primary winding.
Stmicroelectronics S.r.l.

Power converter for a switching power supply and manner of operation thereof

A switching power supply comprises a power converter that includes a transformer, a low side switch and a high side switch. The low side switch draws current from a supply voltage through a primary winding of the transformer.
Champion Microelectronic Corporation

Zero voltage switching

A method for providing non-resonant zero-voltage switching in a switching power converter. The switching power converter converts power from input power to output power during multiple periodic switching cycles.
Solaredge Technologies Ltd.

Charge pump circuit

A bipolar output charge pump circuit having a network of switching paths for selectively connecting an input node and a reference node for connection to an input voltage, a first pair of output nodes, two pairs of flying capacitor nodes, and a controller for controlling the switching of the network of switching paths. The controller is operable to control the network of switching paths when in use with two flying capacitors connected to the two pairs of flying capacitor nodes, to provide a first mode and a second mode when in use with two flying capacitors connected to the flying capacitor nodes, wherein at least the first mode corresponds to a bipolar output voltage of +/−3 vv, +/−vv/5 or +/−vv/6..
Cirrus Logic International Semiconductor Ltd.

Integrated gate driver for motor control

An integrated gate driver for motor control includes a first diode coupled to an upper rail and providing a voltage on a first connector and a power amplifier coupled between the first connector and a second connector that can be coupled to a source of a high-side power transistor. The power amplifier receives a control signal and provides an output signal to a second pin for driving a gate of the high-side power transistor.
Texas Instruments Incorporated

Built-in capacitor motor structure

An improved built-in capacitor motor structure includes a housing, a stator portion, an insulating member and a rotor portion. The housing includes a front cover and a rear cover for receiving the stator portion.
Sagitta Industrial Corp.

Non-contact power transmission device

A non-contact power transmission device includes a resonance coil and a resonance capacitor, and includes impedance variable circuits the impedance of which can be changed. In the non-contact power transmission device, a power transmission side controller changes impedance of one of the impedance variable circuits, a power reception side controller changes impedance of the other one of the impedance variable circuits, and output impedance on a power supply side with respect to a power transmission coil unit and input impedance on a load side with respect to the power transmission coil unit are matched..
Yazaki Corporation

Charge-discharge control circuit

The present invention aims to efficiently use all of a plurality of capacitors connected in series, and control a voltage held by a capacitor unit according to environmental temperature. A switch element inserted into a charging path leading to the capacitor unit, and a switch control part controlling the opening and closing of the switch element, are provided.
Sumitomo Electric Industries, Ltd.

Renewable energy power generation systems

We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched capacitor across its ac power output, a power measurement system coupled to a communication interface, and a power factor controller to control switching of the capacitor.
Solarcity Corporation

Power conditioning units

We describe a power conditioning unit with maximum power point tracking (mppt) for a dc power source, in particular a photovoltaic panel. A power injection control block has a sense input coupled to an energy storage capacitor on a dc link and controls a dc-to-ac converter to control the injected mains power.
Solarcity Corporation

Current circuit breaker

Disclosed herein is a current circuit breaker that protects a semiconductor module by using fast switches to block a current. The current circuit breaker includes: a first switch configured to be opened upon a fault current being generated; a second switch connected to the first switch and configured to be opened after a predetermined period of time elapses since the first switch has been opened; a semiconductor module having an end connected to the first switch and another end connected to the second switch; a capacitor having a terminal connected to the second switch and the other terminal connected to the semiconductor module; and a surge arrester connected across the capacitor and configured to change its resistance according to a voltage across the capacitor to block the fault current..
Lsis Co., Ltd.

System and switch assembly thereof with fault protection and associated method

A system, a switch assembly and an associated method. The system includes a number of switch assemblies, each including a switch module, isolation circuits, a detection unit, and a drive unit.
Genera Electric Company

Negative electrode for power storage device, forming the same, and power storage device

An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material.
Semiconductor Energy Laboratory Co., Ltd.

Circuit arrangement for charging and discharging a piezo actuator

The disclosure relates to a circuit arrangement that includes a first dc-dc converter that is connected on the output side to a capacitor. A first terminal of the capacitor is a supply voltage terminal and a second terminal of the capacitor is a reference potential terminal.
Continental Automotive Gmbh

Analog capacitor

An analog capacitor is disclosed. The analog capacitor may include a main analog capacitor, an interlayer insulating layer, and a plurality of stacked sub analog capacitors.
Sk Hynix Inc.

High-density mim capacitors

Capacitors and methods of forming the same include forming a gap in a dielectric layer underneath one or more conducting lines, such that the one or more conducting lines are suspended over the gap. A capacitor stack is deposited in the gap and on the conducting lines.
International Business Machines Corporation

Pixel structure having high aperture ratio and circuit

A pixel circuit and a pixel structure having high aperture ratio are provided. A first gate electrode, a layer including a first source electrode and a first drain electrode, and an etching stopper layer, a first semiconductor layer, and a gate isolation layer sandwiched between the first gate electrode and the layer of the first source electrode and the first drain electrode construct a first thin film transistor.
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

Light sensitive circuit, light sensing panel having the light sensitive circuit and display apparatus having the light sensing panel

A light sensitive circuit includes a light sensing capacitor and a driving transistor. The light sensing capacitor is configured to sense light of a predetermined one or more wavelengths.
Samsung Display Co., Ltd.

Display device

Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film.
Japan Display Inc.

High aperture ratio display by introducing transparent storage capacitor and via hole

This disclosure provides apparatuses and methods of manufacturing apparatuses including thin film transistors (tfts) and storage capacitors. An apparatus can include a substrate, a tft, a storage capacitor adjacent to the tft, and a common electrode.
Qualcomm Incorporated

Semiconductor device and manufacturing same

A semiconductor device and a manufacturing method for the same are provided in such a manner that the oxygen barrier film and the conductive plug in the base of a capacitor are prevented from being abnormally oxidized. A capacitor is formed by layering a lower electrode, a dielectric film including a ferroelectric substance or a high dielectric substance, and an upper electrode in this order on top of an interlayer insulation film with at least a conductive oxygen barrier film in between, and at least a portion of a side of the conductive oxygen barrier film is covered with an oxygen entering portion or an insulating oxygen barrier film..
Fujitsu Semiconductor Limited

Semiconductor device

To effectively prevent short circuit between capacitors adjacent to each other. A semiconductor device has a substrate, an interlayer insulating film, a plurality of capacitors, and an isolation insulating film.
Renesas Electronics Corporation

Method of manufacturing capacitor structure

A method of manufacturing a semiconductor device includes forming a source/drain region in a substrate. An interlevel dielectric layer is formed on the substrate.
Taiwan Semiconductor Manufacturing Co., Ltd.

Electrostatic discharge protection device having an adjustable triggering threshold

An electrostatic discharge protection device includes first and second diodes series-connected between first and second connection terminals. A third connection terminal is coupled to a junction of the first and second diodes.
Stmicroelectronics (tours) Sas

Fan-out semiconductor package

The fan-out semiconductor package includes: a semiconductor chip having an active surface having a connection pad disposed thereon and an inactive surface disposed to oppose the active surface; a first capacitor disposed adjacently to the semiconductor chip; an encapsulant at least partially encapsulating the first connection member and the semiconductor chip; a first connection member disposed on the encapsulant, the first capacitor, and the semiconductor chip, and a second capacitor disposed on the other surface of the first connection member opposing one surface of the first connection member on which the semiconductor chip is disposed, wherein the first connection member includes a redistribution layer electrically connected to the connection pad of the semiconductor chip, the first capacitor, and the second capacitor, and the first capacitor and the second capacitor are electrically connected to the connection pad through a common power wiring of the redistribution layer.. .
Samsung Electro-mechanics Co., Ltd.

Capacitor and capacitor module

An object of the present invention is to provide a capacitor and a capacitor module having a long life and capable of a stable action. Therefore, an electrolytic solution l obtained by dissolving an electrolyte salt having a lower hydrolyzability and a higher reaction potential in an electrode than an amidine salt containing a cation which is an imidazolium in a solvent and a sub solvent that reduces resistance of the electrolytic solution is packed in a cell.
Komatsu Ltd.

Direct growth of polyaniline nanotubes on carbon cloth for flexible and high-performance supercapacitors

The present disclosure further provides an exemplary energy storage device fabricated from rectangular-tube polyaniline (pani) that is chemically synthesized by a simple and convenient method. The rectangular-tube pani, as an active material, is synthesized on a functionalized carbon cloth (fcc) as a substrate, and the obtained composite is immobilized on a stainless steel mesh as a current collector.
The Regents Of The University Of California

Solid electrolytic capacitor

A solid electrolytic capacitor that includes a capacitor element having a linear through conductor made of a valve function metal, a dielectric layer disposed on the through conductor, and a cathode-side functional layer disposed on the dielectric layer. The through conductor includes a core portion and a porous portion covering a peripheral surface of the core portion.
Murata Manufacturing Co., Ltd.

Multi-layer ceramic electronic component and producing the same

A multi-layer ceramic capacitor, including a multi-layer including internal electrodes and dielectric layers alternately laminated, the internal electrodes having ends protruding beyond the dielectric layers in surface directions thereof; and side protective layers configured of a dielectric and disposed to cover side faces of the multi-layer, the side protective layers each having spacing sections formed between the ends of the internal electrodes.. .
Taiyo Yuden Co. Ltd.

Multilayer capacitor

A multilayer capacitor includes a dielectric main body having opposite first and second sides, a terminal electrode assembly and spaced apart first, second and third inner electrodes, all of which are disposed in the main body. The second inner electrode is disposed between the first and third inner electrodes.
Yageo Corporation

Ceramic composition and multilayer capacitor having the same

A ceramic composition includes a ceramic powder and a phosphor (p). The phosphor (p) has a content of 1 to 2 wt %, based on a total weight of the ceramic powder not including the phosphor (p)..
Samsung Electro-mechanics Co., Ltd.

Electro-polarizable compound and capacitor

Core1 is an aromatic polycyclic conjugated molecule having two-dimensional flat form and self-assembling by pi-pi stacking in a column-like supramolecule. R1 are electron donor groups connected to core1 and r1′ are electron acceptor groups connected to core1, m is number of acceptor groups r1, m′ is a number of donor groups r′.

Electro-polarizable compound and capacitor

Core1 is an aromatic polycyclic conjugated molecule having two-dimensional teat form and self-assembling by pi-pi stacking in a column-like supramolecule, r1 is a dopant group connected to core1; a number m of r1 groups is 1, 2, 3 or 4. R2 is a substituent comprising one or more ionic groups connected to core1; a number p of ionic groups r2 is 0, 1, 2, 3 or 4.

Dielectric ceramic composition and multilayer ceramic capacitor

A dielectric ceramic composition has good characteristics even under the high electric field intensity, and particularly good ir characteristic and the high temperature accelerated lifetime. The dielectric ceramic composition has a main component having a perovskite type compound shown by a compositional formula (ba1-x-ysrxcay)m(ti1-zzrz)o3, a first sub component having oxides of a rare earth element r, a second sub component as a sintering agent, wherein the dielectric particles has dielectric particles having high diffusion rate of the rare earth element, preferably of a complete solid solution particle, and when a concentration of ti atom in the diffusion phase is 100 atom %, then an average concentration of the rare earth element r in the diffusion phase is 5 atom % or more, and an average concentration of zr in the diffusion phase is 10 atom % or more..
Tdk Corporation

Dielectric ceramic composition and multilayer ceramic capacitor

Said dielectric ceramic composition is a complete solid solution particle wherein the rare earth element is solid dissolved to entire dielectric particle, or a core-shell particle having high ratio of the diffusion phase, and comprises the dielectric particle having 5 to 20 atom % of the average concentration of the rare earth element in the diffusion phase, and having uniform concentration distribution of the rare earth element in the diffusion phase.. .

Charge extraction from ferroelectric memory cell

A ferroelectric capacitor of a memory cell may be in electronic communication with a sense capacitor through a digit line. The digit line may be virtually grounded during memory cell sensing, limiting or avoiding voltage drop across the digit line, and allowing all or substantially all of the stored charge of the ferroelectric capacitor to be extracted and transferred to the sense capacitor.
Micron Technology, Inc.

Shift register unit, gate driving circuit and driving method thereof, and display device

The embodiments of the present disclosure provide a shift register unit, a gate driving circuit and a driving method thereof, and a display device. The shift register unit, comprises two transfer gate modules (211, 212), four and gate modules (231, 232, 233, 234), and two capacitor modules (241, 242), as well as a pulse signal input terminal (in), four pulse signal output terminals (l1, l2, l3, l4), and a plurality of clock signal input terminals (clk1 to clk8).
Chengdu Boe Optoelectronics Technology Co., Ltd.

Display apparatus including self-tuning circuits for controlling light modulators

This disclosure provides systems, methods and apparatus for controlling the states of a light modulator used in displays. A display apparatus includes pixel circuits coupled to the light modulators.
Snaptrack, Inc.

Display panel, shift register circuit and driving method thereof

A display panel, a shift register circuit, and a driving method of the shift register circuit are provided. The shift register circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, a first capacitor, and a second capacitor.
Tianma Micro-electronics Co., Ltd.

Display device, driving display device, and electronic device

A display device according to the present disclosure includes: a pixel array unit (30) in which pixel circuits (20a) are disposed in a matrix form, the pixel circuits each including a light emission unit (21), a write transistor (23) that writes a signal voltage (vsig) of a video signal, a retention capacitor (24) that retains the signal voltage (vsig) written by the write transistor (23), a drive transistor (22) that drives the light emission unit (21) on the basis of the signal voltage (vsig) retained by the retention capacitor (24), and an auxiliary capacitor (25) of which one terminal is connected to a source node of the drive transistor (22); and a control unit (90) that provides a potential change to a source electrode of the drive transistor (22) by coupling through the auxiliary capacitor (25) to set an operation point of the drive transistor (22) as a cut-off region after the threshold value correction process.. .
Sony Corporation

Display device

A plurality of pixel circuits included in a display device each includes: a drive transistor; a capacitor connected to a gate electrode and a source electrode of the drive transistor; a light-emitting element which is driven by the drive transistor; a write transistor having a gate electrode connected to a write control line for transmitting a write signal, one of a drain electrode and a source electrode connected to a data line for transmitting a data voltage corresponding to luminance, and the other of the drain electrode and the source electrode connected to the gate electrode of the drive transistor; and a compensation transistor having a gate electrode connected to the data line, and at least one of a drain electrode and a source electrode connected to the write control line, the compensation transistor being of same conductivity type as the write transistor.. .
Joled Inc.

Unit pixel of fingerprint sensor and fingerprint sensor including the same

A unit pixel of a fingerprint sensor is provided. The unit pixel includes a sensing electrode located to form a capacitance with an object touching a touch surface, a first switch connected between a first node and a second node to transmit at least one driving voltage input through the second node, the first node connected to the sensing electrode, the switch configured to the sensing electrode, an amplifier configured to receive a signal from the sensing electrode and amplify the signal, and a first capacitor connected between a first input terminal and an output terminal of the amplifier, the first capacitor configured to transmit the signal from the sensing electrode to the output terminal.
Samsung Electronics Co., Ltd.

Direct drive led driver and offline charge pump and method therefor

In a second embodiment an offline charge pump utilizes a switching matrix to recombine capacitors in accordance with the voltage on the ac half wave and then in accordance with a desired output voltage to feed a load, such that said recombinations occur at a frequency much higher than the frequency of the ac rectified half wave such that charge is “pumped” from the input at one voltage to the output at another voltage through the ac halfwave while providing a constant output voltage to the load.. .

Noise suppression circuit

This disclosure provides a noise suppression circuit for suppressing a noise in a voltage signal. The noise suppression circuit comprises: a switch unit having a first terminal receiving the voltage signal and a second terminal; a capacitor having a first terminal connected to the first terminal of the switch unit and a second terminal grounded; and an analog front-end unit including an operational amplifier with a signal input terminal and a reference-voltage input terminal electrically connected to the second terminal of the switch unit; wherein the switch unit is controlled by a pulse signal..
Sitronix Technology Corporation

Display panel, forming the same and display device

This disclosure relates to the field of display technologies, and specifically to a display panel, a method for forming the same and a display device. The display panel includes an array substrate; a counter substrate aligned with the array substrate; and a parallel plate capacitor for realizing signal transmission between the array substrate and the counter substrate.
Chongqing Boe Optoelectronics Technology Co., Ltd.

Electronic device and method

According to one embodiment, an electronic device operable by a power supply voltage obtained from a commercial power supply, includes a capacitor charged with the power supply voltage, and a circuitry configured to write power failure occurrence time information to a nonvolatile memory using power of the capacitor after occurrence of power failure, read the power failure occurrence time information from the nonvolatile memory, and transmit the power failure occurrence time information to an external device.. .
Toshiba Client Solutions Co., Ltd.

Voltage regulation techniques for electronic devices

Voltage regulation techniques for electronic devices are described. In one embodiment, for example, an apparatus may comprise an electronic element comprising one or more integrated circuits, a voltage regulator to regulate an input voltage of the electronic element, the voltage regulator to source an output current comprising at least a portion of an input current of the electronic element, the voltage regulator to operate in a current-limiting mode to limit the output current when the input current exceeds a threshold current, and a capacitor bank comprising one or more capacitors, the capacitor bank to source a supplemental current to supplement the output current of the voltage regulator when the voltage regulator operates in the current-limiting mode.
Intel Corporation

Method of manufacturing electro-optical device, electro-optical device, and electronic apparatus

In a step of forming an element substrate of an electro-optical device, a layered structure, which includes a plurality of films having a film that forms pixel switching elements and a film that forms holding capacitors, is formed on one surface of the substrate, and, thereafter, a lens surface and a lens layer are formed on a second surface of the layered structure. Subsequently, after the substrate is removed by polishing and etching, pixel electrodes are formed on a side of a first substrate, on which the substrate is located, of the layered structure.
Seiko Epson Corporation

Optical modulation device

An optical modulation device includes: an optical waveguide formed above a substrate; a phase modulator disposed on part of the optical waveguide; a capacitor connected to the phase modulator and including a lower electrode and an upper electrode; a resistor connected in parallel to the capacitor; and an appended part integrated with the upper electrode and electrically connected to the resistor, wherein the appended part is smaller in area than the capacitor (upper electrode).. .
Photonics Electronics Technology Research Association

Electronic device with resistive sensor array

An array of resistive sensor circuits may be used to gather sensor data. Each resistive sensor circuit may have a resistive sensor and an associated switch.
Apple Inc.

Mems accelerometric sensor having high accuracy and low sensitivity to temperature and aging

A mems accelerometric sensor includes a bearing structure and a suspended region that is made of semiconductor material, mobile with respect to the bearing structure. At least one modulation electrode is fixed to the bearing structure and is biased with an electrical modulation signal including at least one periodic component having a first frequency.
Stmicroelectronics S.r.l.

Process for manufacturing a mems pressure sensor, and corresponding mems pressure sensor

A process for manufacturing a mems pressure sensor having a micromechanical structure envisages: providing a wafer having a substrate of semiconductor material and a top surface; forming a buried cavity entirely contained within the substrate and separated from the top surface by a membrane suspended above the buried cavity; forming a fluidic-communication access for fluidic communication of the membrane with an external environment, set at a pressure the value of which has to be determined; forming, suspended above the membrane, a plate region made of conductive material, separated from the membrane by an empty space; and forming electrical-contact elements for electrical connection of the membrane and of the plate region, which are designed to form the plates of a sensing capacitor, the value of capacitance of which is indicative of the value of pressure to be detected. A corresponding mems pressure sensor having the micromechanical structure is moreover described..
Stmicroelectronics S.r.l.

Ta-nb alloy powder and anode element for solid electrolytic capacitor

A ta-nb alloy powder which has provides a capacitor having a higher capacitance than a ta capacitor and a better thermal stability in terms of an oxide film is better than a nb capacitor, the ta-nb alloy powder being a ta-nb alloy powder produced by a thermal cvd method, wherein a content of nb is 1 to 50 mass %, and an average particle diameter of primary particles is 30 to 200 nm, preferably, a cv value per unit mass of the powder (μf·v/g) is 250 kμf·v/g or more, or further, a cv value per unit volume (μf·v/mm3) in terms of a molded body whose molding density ρ (g/cm3) is ρc (g/cm3)=−0.012rnb+3.57, wherein rnb: nb content (mass %) in an alloy, is 900 μf·v/mm3 or more, and an anode element for a solid electrolytic capacitor using the alloy powder.. .
Ishihara Chemical Co., Ltd.

Non-destructive bilayer monitoring using measurement of bilayer response to electrical stimulus

A method of detecting a lipid bilayer formed in a cell of a nanopore based sequencing chip is disclosed. An integrating capacitor is coupled with a lipid membrane, wherein the lipid membrane is between a working electrode and a counter electrode.
Genia Technologies, Inc.

Non-linear dielectric materials and capacitor

Where c is a chromophore fragment, p is an optionally connected rylene fragment, d and a are electron donating and accepting groups respectively, and r represents resistive substituents optionally connected directly or via dopant connecting groups.. .

Polymerization preparing conductive polymer

An improved process for preparing a conductive polymer dispersion is provided as is an improved method for making capacitors using the conductive polymer. The process includes providing a monomer solution and shearing the monomer solution with a rotor-stator mixing system comprising a perforated stator screen having perforations thereby forming droplets of said monomer.
Kemet Electronics Corporation

Dielectric ceramic composition and multilayer ceramic capacitor

When a content of the first sub component is r mol, a content of the second sub component is m mol, and a content of the third sub component is n mol with respect to 100 mol of said main component, then 1.0≦r(m+n)≦2.4 is satisfied.. .

Solid electrolytic capacitor module with improved planarity

A module containing a plurality of active capacitors and a sacrificial capacitor is provided. The active capacitors and sacrificial capacitor are aligned along a horizontal direction so that the side surfaces of their cases are parallel to each other.
Avx Corporation

Optoelectronic circuit comprising light-emitting diodes

The invention relates to an optoelectronic circuit (20) intended to receive, between a first node (a1) and a second node (a2), a variable voltage (vrect), the optoelectronic circuit including: a plurality of light-emitting diodes (di) series-assembled between the first node and a third node; a first current limitation/regulation circuit (14) assembled between the third node and the second node; a switching circuit (16) coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor (cap) including first and second plates; a first diode (d0d) having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode (d0c) having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit (38).. .
Easii Ic

Led driver circuits

In some implementations, a circuit includes a first diode and a second diode that are coupled in series. The device is configured to couple an alternating current (ac) power source to a first node between the first diode and the second diode.
New Energies & Alternative Technologies, Inc.

Optoelectronic circuit comprising light-emitting diodes

The invention relates to an optoelectronic circuit intended to receive, between a first node and a second node, a variable voltage, the optoelectronic circuit including: a plurality of light-emitting diodes series-assembled between the first node and a third node; a first current limitation/regulation circuit assembled between the third node and the second node; a switching circuit coupling the third node to at least certain light-emitting diodes of the plurality of light-emitting diodes; a capacitor including first and second plates; a first diode having its cathode connected to the second plate and having its anode coupled to the second node; and a second diode having its anode connected to the second plate and having its cathode coupled to the third node or to a second current limitation/regulation circuit.. .
Easii Ic

Solid-state image sensor, imaging device, and electronic device

The present technology relates to a solid-state image sensor, an imaging device, and an electronic device capable of switching fd conversion efficiency in all pixels of a solid-state image sensor. A photodiode performs photoelectric conversion on incident light.
Sony Corporation

Comparison device and cmos image sensor using the same

Provided are a comparison device capable of achieving a small area by using one small sampling capacitor for an input terminal and improving linearity by using a fixed reference voltage and a cmos image sensor using the same. The comparison device may include a comparator configured to compare a pixel signal inputted through a positive input terminal with a ramp signal, a first sampling capacitor configured to be provided between an input terminal of the ramp signal and the positive input terminal of the comparator, a sampling switch configured to be provided between an output terminal of the comparator and a negative input terminal of the comparator, and a second sampling capacitor configured to be provided between a ground terminal and the negative input terminal of the comparator..
Sk Hynix Inc.

High dynamic range and global shutter image sensor pixels having charge overflow signal detecting structures

An image sensor may include an array of image sensor pixels. Each pixel may have a photodiode, a charge storage region, and a charge overflow circuit.
Semiconductor Components Industries, Llc

Nano-imaging device and implementing and using same

An imaging device configured to convert a first electromagnetic emission or spectrum to a second electromagnetic emission or spectrum is provided. In accordance with one aspect of the invention, the imaging device comprises an electromagnetic spectrum detector configured from a nanomaterial and operable to receive the first electromagnetic emission or spectrum and generate a voltage based at least in part on the received first electromagnetic emission or spectrum.

Clock circuit and control method thereof

A clock circuit and control method thereof to avoid missing the clock signal generated by the clock circuit when the generated clock signal is synced with an external clock signal, wherein the clock circuit comprises a current compensation circuit and a current control circuit. The clock signal is generated by alternately charging and discharging a capacitor with a charging current based on a sync current and a compensating current when an external clock signal is detected.
Monolithic Power Systems, Inc.

Area-efficient differential switched capacitors

A differential switched capacitor device, including: first and second terminals; first and second branches coupled between the first and second terminals, each branch of the first and the second branches comprising at least one capacitor; and first and second switches, each switch of the first and second switches disposed in each branch of the first and second branches.. .
Qualcomm Incorporated

Audio signal amplification device, power supply device, and power supply control method

An audio signal amplification device includes: a clock generation circuit that generates a clock for use in amplifying an audio signal; and a power supply circuit that generates direct current power, which is supplied to the clock generation circuit, from input power. The power supply circuit includes: a constant voltage generation circuit that generates direct current power of a constant voltage from the input power; a first capacitor; a first charging circuit that charges the first capacitor by using the input power; and a selection circuit.
Panasonic Intellectual Property Management Co., Ltd.

Amplifier used to improve operational performance under bypass mode

An amplifier includes an input terminal for receiving an input signal, an output terminal for outputting an output signal, a first transistor, a second transistor having a first terminal coupled to a second terminal of the first transistor, a third transistor having a first terminal coupled to a second terminal of the second transistor, a capacitor coupled between a control terminal and a second terminal of the third transistor, a bias circuit coupled to the first terminal of the third transistor for providing a bias voltage to the third transistor, a fourth transistor having a first terminal coupled to the input terminal and a second terminal coupled to the output terminal for providing a bypass path, and a fifth transistor having a first terminal coupled to the first terminal of the first transistor and a second terminal coupled to the output terminal.. .
Richwave Technology Corp.

Electric power conversion device

An electric power conversion device includes: a converter circuit which includes a boost chopper; a capacitor which is connected between output terminals of the converter circuit; a boost chopper which boosts a terminal voltage of the capacitor; a multiphase inverter circuit; and a boost chopper controller. In a case where the operation of the boost chopper is continuously stopped, the capacitor has a capacitance allowing the terminal voltage of the capacitor to have a pulse frequency twice as high as that of the ac power source.
Daikin Industries, Ltd.

Inverter control device and inverter control method

An inverter control device that controls a multiple of inverters configured to use the same positive and negative direct current voltage bus lines connected to a power supply and driving a corresponding multiple of motors, the inverter control device including smoothing control means that controls an inverter outflow current so that voltage of the power supply is smoothed by a smoothing capacitor connected to the positive and negative direct current voltage bus lines, and two-phase modulation operation means that fixes a predetermined one phase of a three-phase modulated wave at either a maximum voltage or minimum voltage the inverter can output determined by a voltage between the positive and negative direct current voltage bus lines, and calculates a modulated wave that causes the other two phases to switch.. .
Mitsubishi Electric Corporation

Power converter

A discharge duty that is a duty at which a switch is conductive takes a value obtained by dividing a product of a crest value of a single-phase ac voltage and a square of a cosine value of a phase of the single-phase ac voltage by a both-end voltage across a capacitor. A sum of a product of a rectifying duty that is a duty at which a converter is conductive and a rectified voltage output from the converter and a product of the both-end voltage and the discharge duty varies in a period that is a half of the period of the single-phase ac voltage..
Daikin Industries, Ltd.

Multi-use driver circuits

In some implementations, a device that powers a load includes a first terminal to couple with an alternating current (ac) power source, a second terminal to couple with the ac power source, and a full bridge rectifier arranged to receive power from the ac power source and provide direct current (dc) power between a positive node and a negative node. The device includes a first capacitor coupled in series between the full bridge rectifier and the first terminal or the second terminal, a load coupled between the positive node and negative node of the rectifier, and a second capacitor coupled between the positive node and negative node of the rectifier, in parallel with the load..
New Energies & Alternative Technologies, Inc.

High-power single-stage led driver with bipolar ripple cancellation

Provided are circuits and methods for a power converter that converts ac input power into dc output power using a first output circuit that provides a first output comprising a dc voltage with a first ac voltage ripple and a second output circuit including a floating capacitor and one or more power switching device, and provides a second output comprising a second ac voltage ripple, wherein the first output and the second output are connected together in series, such that the first ac voltage ripple is substantially cancelled and substantially ripple-free dc output power is provided. Embodiments significantly reduce the total output capacitance requirement without sacrificing power factor, thus avoiding the need for electrolytic capacitors and enabling the use of long-life film capacitors.
Queen's University At Kingston

Voltage regulator

To provide a voltage regulator which is capable of testing a phase compensation capacitor without impairing stability as a regulator and prevents a chip area from being increased. A voltage regulator is configured to be equipped with a phase compensation capacitance test circuit for a phase compensation circuit and a negative voltage detection circuit for an external output voltage adjustment terminal and to apply a negative voltage to the external output voltage adjustment terminal to thereby start up the phase compensation capacitance test circuit, and measure the discharge time or current of a phase compensation capacitor to thereby test whether the phase compensation capacitor is good or not..
Sii Semiconductor Corporation

Dc/dc converter

A dc/dc converter in which a both-end voltage of each of capacitors can be safely uniformalized while an over current, which is passed through between the capacitors composing the dc/dc converter, is prevented. In a dc/dc converter which includes a plurality of switching elements, a reactor, a low-voltage side capacitor, a high-voltage side capacitor, a charge-discharge capacitor, and a controller which drives and controls the switching elements, the controller performs soft start control in which a duty ratio of at least one of the switching elements is gradually varied from 0% to 100%, and the switching element, in which the soft start control is not performed during the term of the soft start control, is turned off..
Mitsubishi Electric Corporation

Variable frequency soft-switching control of a buck converter

A system and method are provided for controlling a modified buck converter circuit. A pull-up switching mechanism that is coupled to an upstream terminal of an inductor within a modified buck converter circuit is enabled.
Nvidia Corporation

Hybrid capacitive-inductive voltage converter

An inverting buck voltage converter constructed of a switched-mode hybrid topology, with a capacitive input stage and an inductive output stage. The input stage operates as a charge pump to charge a flying capacitor connected in series with an inductor in the output stage.
Texas Instruments Deutschland Gmbh

High efficiency charge pump with auxiliary input operative to optimize conversion ratio

Switched capacitor circuit architectures that may enable high efficiency step-up or step-down dc-dc conversion from a primary, fixed supply input voltage using a four-switch switched capacitor topology and a separate auxiliary supply input voltage. The auxiliary supply input voltage can be optimized within the system or chosen from among other readily available supplies in the system to achieve the highest efficiency conversion ratio, without modifying the switch and flying capacitor arrangement.
Linear Technology Corporation

Charge pump effect compensation for high frequency isolation transformer in lighting device power supplies

An apparatus (400a, 400b, 400c, 400d, 500a, 500b, 800) supplies power to an output thereof. The apparatus includes: an isolation transformer (110) and a rectifier (120).
Philips Lighting Holding B.v.

Wireless power transmission system

A wireless power transmission system includes a power feeding device and a power receiving device, wherein the power feeding device includes: a power feeding coil which receives an electric power to generate an ac magnetic field; an inverter for supplying an alternating-current power under a predetermined driving frequency to the power feeding coil; a current detection circuit for detecting a peak value of an alternating current flowing in the power feeding coil; and a controller for controlling the alternating current flowing in the power feeding coil. The power receiving device includes: a power receiving coil for receiving electric power wirelessly via the ac magnetic field; a power receiving side resonance capacitor which configures a power receiving side lc resonance circuit together with the power receiving coil; and a rectifier for rectifying the electric power received by the power receiving coil..
Tdk Corporation

Primary coil circuit for wireless power transfer, ground assembly using the same, and manufacturing method therefor

A primary coil circuit of a ground assembly for wirelessly transferring power to a secondary coil includes: a primary coil magnetically coupled to the secondary coil and having a first terminal and a second terminal; a second capacitor having a first terminal and a second terminal connected to the first terminal of the primary coil; a first inductor having a first terminal coupled to a first input terminal of a power source and a second terminal coupled to the first terminal of the second capacitor; and a first capacitor having a first terminal coupled commonly to the second terminal of the first inductor and the first terminal of the second capacitor and a second terminal coupled commonly to the second terminal of the primary coil and a second input terminal of the power source.. .
Research & Business Foundation Sungkyunkwan University

Wireless power transmission system using multiple coils

A wireless power transmission system using multiple coils comprises a transmitter; and a receiver, wherein the transmitter includes a module for receiving a predetermined voltage, and a primary coil for generating a primary resonance frequency in accordance with the received voltage. The receiver spaced apart from the transmitter includes a load for emitting light, capacitors connected in series or in parallel in accordance with an equivalent resistance of the load, and a secondary coil for generating a secondary resonance frequency greater than the primary resonance frequency..
Lg Electronics Inc.

Electronic device

One embodiment provides an electronic device, comprising: an antenna structure comprising an antenna body and an antenna tuning circuit; an rf circuit coupled to the antenna structure via a first capacitor to transmit an rf signal through the antenna structure; a specific absorption ratio (sar) sensor coupled to the antenna structure via a first inductor to detect, through the antenna structure, a change of capacitance within a target range, wherein a second capacitor in the antenna tuning circuit is located within the target range; and a control circuit for outputting a control signal to the antenna tuning circuit to adjust the second capacitor in the antenna tuning circuit to match rf signals having different frequencies; wherein a power supply terminal of the control circuit is coupled to a constant voltage power source. Other aspects are described and claimed..
Lenovo (beijing) Limited

Negative electrode for power storage device and power storage device

A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material.
Semiconductor Energy Laboratory Co., Ltd.

High density memory cell structures

The present disclosure relates to semiconductor structures and, more particularly, to vertical memory cell structures and methods of manufacture. The vertical memory cell includes a vertical nanowire capacitor and vertical pass gate transistor.
Globalfoundries Inc.

Etching process control in forming mim capacitor

A method includes forming a capacitor, which includes depositing a bottom electrode layer, depositing a capacitor insulator layer over the bottom electrode layer, depositing a top electrode layer over the capacitor insulator layer, and depositing a dielectric layer over the top electrode layer. The dielectric layer is etched using a process gas until the top electrode layer is exposed.
Taiwan Semiconductor Manufacturing Company, Ltd.

Organic light-emitting display device

A display device includes a switching transistor, a driving transistor, a storage capacitor connected to the switching and driving transistors, and an organic light-emitting diode connected to the driving transistor. The driving transistor is connected to the switching transistor.
Samsung Display Co., Ltd.

Electrostatic discharge (esd) protection in an electronic switching circuit

Aspects disclosed herein include electrostatic discharge (esd) protection in an electronic switching circuit. An electronic switching circuit includes switching circuitry configured to provide interconnectivity between a common port in at least one common branch and an input/output (i/o) port in at least one i/o branch.
Qorvo Us, Inc.

Microelectronic components with features wrapping around protrusions of conductive vias protruding from through-holes passing through substrates

In a microelectronic component having conductive vias (114) passing through a substrate (104) and protruding above the substrate, conductive features (120e.a, 120e.b) are provided above the substrate that wrap around the conductive vias' protrusions (114′) to form capacitors, electromagnetic shields, and possibly other elements. Other features and embodiments are also provided..
Invensas Corporation

Substrate processing system including coil with rf powered faraday shield

A substrate processing system includes a processing chamber including a dielectric window and a substrate support arranged therein to support a substrate. A coil is arranged outside of the processing chamber adjacent to the dielectric window.
Lam Research Corporation

Atomic capacitor

This invention describes a capacitor that formed by a charge or species specific membrane material filled with aqueous or non-aqueous liquid with soluble salts dissolved and non-dissolved in solution and contained within the membrane material. When charged, the oppositely charged ion will leave the structure, leaving behind a charged atomic capacitor..
Atlantis Technologies

Devices and methods for high voltage and solar applications

Provided herein are devices comprising one or more cells, and methods for fabrication thereof. The devices may be electrochemical devices.
Nanotech Energy, Inc.

Method for producing electrolytic capacitor

A method for producing an electrolytic capacitor is performed in the following procedure. A solid electrolyte layer including a conductive polymer and a polyhydric alcohol is formed on an anode body on which a dielectric layer is formed.
Panasonic Intellectual Property Management Co., Ltd.

Composite electronic component and resistor device

A composite electronic component includes a capacitor device and a resistor device disposed on one another in a heightwise direction. The capacitor device includes a capacitor body, a first external electrode, and a second external electrode.
Murata Manufacturing Co., Ltd.

Multilayer ceramic capacitor and manufacturing the same

A multilayer ceramic capacitor (mlcc) includes: a ceramic body having a plurality of dielectric layers, first internal electrodes, and second internal electrodes; and a first external electrode and a second external electrode, disposed on an exterior of the ceramic body. A plurality of via electrodes are disposed in the ceramic body; a first via electrode connects the first internal electrodes to the first external electrode; a second via electrode connects the second internal electrodes to the second external electrode; and the plurality of via electrodes have a stepped shape, and a distance in a length direction from a first vertical edge of each step to a second vertical edge of each step in the plurality of via electrodes is increased in a direction from the substrate toward an upper portion of the ceramic body..
Samsung Electro-mechanics Co., Ltd.

Enhanced stacking for improved capacitance

A capacitor includes a first conductive plate, a second conductive plate, a floating conductive plate and a dielectric material separating the floating conductive plate from the first conductive plate and from the second conductive plate. The floating conductive plate has a first surface closer to the first conductive plate than to the second conductive plate and has a second surface closer to the second conductive plate than to the first conductive plate.
Eestor, Inc.

Multilayer ceramic capacitor

In an embodiment, one length-direction end of each first internal electrode layer 111a of the capacitor body 110 is connected, via the conductive part 114a of the first relay layer 114 connected over a connection width equivalent to the width of each first internal electrode layer 111a, to the first external electrode 120 provided on one height-direction face of the capacitor body 110; also, the other length-direction end of each second internal electrode layer 111b is connected, via the conductive part 115a of the second relay layer 115 connected over a connection width equivalent to the width of each second internal electrode layer 111b, to the second external electrode 130 provided on one height-direction face of the capacitor body 110.. .
Taiyo Yuden Co., Ltd.

Multilayer ceramic capacitor

In an embodiment, one length-direction end of each first internal electrode layer 111a is connected to the first conductor layer 112 of the capacitor body 110 over a connection width equivalent to the width of each first internal electrode layer 111a, while the other length-direction end of each second internal electrode layer 111b is connected to the second conductor layer 113 over a connection width equivalent to the width of each second internal electrode layer 111b. One height-direction end of the first conductor layer 112 is connected to the first external electrode 120 over a connection width equivalent to the width of the first conductor layer 112, while one height-direction end of the second conductor layer 113 is connected to the second external electrode 130 over a connection width equivalent to the width of the second conductor layer 113..
Taiyo Yuden Co., Ltd.

Multilayer ceramic capacitor

In an embodiment, one length-direction end of each first internal electrode layer 111a is connected to the first conductor layer 112 of the capacitor body 110 over a connection width equivalent to the width of each first internal electrode layer 111a, while the other length-direction end of each second internal electrode layer 111b is connected to the second conductor layer 113 over a connection width equivalent to the width of each second internal electrode layer 111b. One height-direction end of the first conductor layer 112 is connected to the first external electrode 120 over a connection width equivalent to the width of the first conductor layer 112, while one height-direction end of the second conductor layer 113 is connected to the second external electrode 130 over a connection width equivalent to the width of the second conductor layer 113..
Taiyo Yuden Co., Ltd.

Capacitor and manufacturing same

A capacitor includes a body having a first surface, a second surface, and a third surface and a fourth surface connecting the first surface to the second surface, and including a first internal electrode and a second internal electrode respectively having a first lead portion and a second lead portion exposed to the second surface, a first external electrode and a second external electrode formed on the second surface of the body, and electrically connected to the first internal electrode and the second internal electrode, respectively, and dummy electrodes formed on the third surface and the fourth surface of the body and extending from edges at which the second surface meets the third surface and the fourth surface.. .
Samsung Electro-mechanics Co., Ltd.

Magnetic energy-transmitting element and power supply for cancelling out electrical noise

A magnetic energy-transfer element including: a core of the magnetic energy-transfer element; an input winding wound around the core of the magnetic energy-transfer element, a first terminal of the input winding being connected to a first terminal of the input filter capacitor, a second terminal of the input winding being connected to a first terminal of the switching element; an output winding wound around the core of the magnetic energy-transfer element to take out energy; and a cancellation winding wound around the core of the magnetic energy-transfer element.. .

Semiconductor memory device

Proposed as a configuration, a controlling method, and a testing method for a ferroelectric shadow memory are (1) a bit line non-precharge method, in which no precharging of a bit line is performed during a read/write operation; (2) a plate line charge share method, in which electric charge is shared between plate lines that are driven sequentially during store/recall operation; (3) a word line boost method, in which the potential on a word line is raised during a write operation; (4) a plate line driver boost method, in which the driving capacity of a plate line driver is raised during a store/recall operation; and (5) a testing method for detecting a defect in a ferroelectric capacitor by arbitrarily setting a potential on a bit line from outside a chip.. .
Rohm Co., Ltd.

Pixel and an organic light-emitting display apparatus

A pixel includes a storage capacitor connected between a first power line and a first node, a first transistor configured to control current flowing from a second node to a third node in response to a voltage of the first node, a second transistor configured to apply a data signal to the second node in response to a scan signal, a third transistor configured to connect the first node and the third node in response to the scan signal, a fourth transistor configured to connect the first power line and the second node in response to a control signal, and an organic light-emitting diode connected between the third node and a second power line. A level of a voltage applied to the second power line during an initialization period is greater than the level of the voltage applied to the second power line during an emission period..
Samsung Diaplay Co., Ltd.

Organic light-emitting pixel driving circuit, driving method and organic light-emitting display device

The present disclosure discloses an organic light-emitting pixel driving circuit, driving method and an organic light-emitting display panel. A driving transistor is to generate a driving current, a light-emitting element is to emit light; a first transistor is to transmit a first initialization voltage to the light-emitting element; a second transistor is to transmit a second initialization voltage to the driving transistor; a third transistor is to transmit a data signal voltage to the pixel driving circuit; a fourth transistor is to transmit a reference voltage to the driving circuit; a first capacitor is coupled in series between the output terminal of the third transistor and the driving transistor; a fifth transistor is to control the first capacitor; a sixth transistor is to control light emission of the light-emitting element; a second capacitor is to maintain the charge amount between the gate and source of the driving transistor..
Shanghai Tianma Am-oled Co., Ltd.

Random number generation in ferroelectric random access memory (fram)

Disclosed embodiments relate to generating random numbers using two transistor, two capacitor (2t-2c) ferroelectric memory cells. In accordance with one disclosed embodiment, an n-bit random number can be generated by writing to a uniform data pattern to a set of n 2t-2c ferroelectric memory cells in a 1t-1c mode so that all ferroelectric capacitors of the n 2t-2c cells have a polarization state corresponding to the same data value (e.g., all 0's or all l's).
Texas Instruments Incorporated

Electrical property detection device and touch electrode

The present invention discloses an electrical property detection device and method for a touch electrode. The electrical property detection device includes a capacitor formation unit configured to form a capacitor structure with the touch electrode to be detected; and a capacitance detection unit configured to obtain a capacitance value of the capacitor structure.
Hefei Boe Optoelectronics Technology Co., Ltd.

Circuit and detecting working and resting states for optical mouse

Disclosed is a circuit for detecting working and resting states for an optical mouse. During each frame capture, a counting unit of the digital logic circuit outputs a first counting signal to turn on a switching transistor, such that the voltage of the pixel capacitor varies from its predetermined voltage, and the counting unit starts to count.
Pixart Imaging (penang) Sdn. Bhd.

Electronic device, power source circuit, and integrated circuit

An electronic device includes: an integrated circuit including a first power source terminal to which a first voltage is supplied from a dc power source, a second power source terminal to which a second voltage is supplied from the dc power source, a third power source terminal coupled to the first power source terminal through an internal resistance, and a fourth power source terminal coupled to the second power source terminal; and a power source circuit including a first power source line that supplies the first voltage to the first power source terminal from the dc power source, a second power source line that supplies the second voltage to the second power source terminal from the dc power source, and a bypass capacitor coupled between the third power source terminal and the fourth power source terminal.. .
Fujitsu Limited

Power supply circuit and image forming apparatus

A half bridge circuit of a class-d amplifier outputs a voltage in accordance with switching of a first switching element and of a second switching element, to a load. A high side gate drive circuit and a low side gate drive circuit respectively drive the first and second switching elements.
Canon Kabushiki Kaisha

Deterioration specifying device and deterioration specifying method

A power-supply monitoring device includes a capacitor that is connected to an insulated electric power source to execute charging/discharging. A power-supply monitoring device including this capacitor forms a charging path for detecting deterioration in an insulation resistance of an electric power source, and detects a voltage of the capacitor when being charged through this charging path.
Toyota Jidosha Kabushiki Kaisha

Sodium anti-perovskite solid electrolyte compositions

Na-rich electrolyte compositions provided herein can be used in a variety of devices, such as sodium ionic batteries, capacitors and other electrochemical devices. Na-rich electrolyte compositions provided herein can have a chemical formula of na3ox, na3sx, na (3-δ) mδ/2ox and na (3-δ) mδ/2sx wherein 0<δ<0.8, wherein x is a monovalent anion selected from fluoride, chloride, bromide, iodide, h−, cn−, bf4−, bh4−, clo4−, ch3−, no2−, nh2− and mixtures thereof, and wherein m is a divalent metal selected from the group consisting of magnesium, calcium, barium, strontium and mixtures thereof.
The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Of Ne

Control device for hybrid vehicle

A control device for hybrid vehicle includes an electronic control unit. The electronic control unit is configured to: calculate required electric power required for a motor for electric power generation as electric power supplied to a motor for drive based on required drive power of the hybrid vehicle; calculate an electric power suppliable time of the capacitor; and determine a rotation speed increase standby time of the internal.
Toyota Jidosha Kabushiki Kaisha

In-vehicle inverter device and in-vehicle fluid machine

An in-vehicle inverter device includes a noise reduction circuit, which has a common mode choke coil configured to reduce common mode noise and normal mode noise contained in dc power, and an inverter circuit, which receives the dc power in which the noise has been reduced. The noise reduction circuit includes: an input-side capacitor and an input-side resistor provided on the input side of the choke coil; an output-side capacitor and an output-side resistor provided on the output side of the choke coil; a first filter circuit that includes the choke coil, the input-side capacitor, and the input-side resistor; and a second filter circuit that includes the choke coil, the output-side capacitor, and the output-side resistor.
Kabushiki Kaisha Toyota Jidoshokki

Printing device provided with walls for preventing leakage of electrolysis liquid to outside of walls

A printing device includes: a casing, a circuit board, an electrolytic capacitor, an explosion-proof valve, a first wall, a second wall, and a specific region. The electrolytic capacitor is connected to the circuit board.
Brother Kogyo Kabushiki Kaisha

Electrodischarge apparatus

An electrodischarge apparatus has a nozzle that includes a discharge chamber that has an inlet for receiving a liquid and an outlet. The apparatus has a first electrode extending into the discharge chamber that is electrically connected to one or more high-voltage capacitors.
Vln Advanced Technologies Inc.

Compliant sensors for force sensing

Disclosed is a first force sensing region of footwear. The first force sensing region includes a first force sensor unit.
Bend Labs, Inc.

Composite electronic component and board having the same

A composite electronic component includes a multilayer capacitor; a tantalum capacitor; a lead frame disposed between the multilayer capacitor and the tantalum capacitor and electrically connecting the multilayer capacitor and the tantalum capacitor to each other; and an encapsulation member encapsulating the multilayer capacitor and the tantalum capacitor so that a portion of the lead frame is exposed.. .
Samsung Electro-mechanics Co., Ltd.

Power handling system and method

A power handling system of a digitally addressable lighting interface (dali) system controls switches connected with a bus of the dali system that powers lower power light sources. A power supply circuit receives energy conducted on the bus to the lower power light sources and conducts at least part of the energy to a capacitor.
General Electric Company

Glitch detection and detecting a glitch

System and method for detecting a glitch is disclosed. An embodiment comprises increasing a bias voltage of a first capacitor, sampling an input signal of a first plate of the first capacitor with a time period, mixing the input signal with the sampled input signal, and comparing the mixed signal with a reference signal..
Infineon Technologies Ag

Solid-state imaging device and camera system

A solid-state imaging device includes a pixel array with unit pixels each having a photoelectric conversion device arranged in a matrix. Column signal lines are wired with respect to one column in the pixel arrangement and pixels are regularly connected to the column signal lines in accordance with rows in which pixels are positioned.
Sony Corporation

Inverting amplifier, integrator, sample hold circuit, ad converter, image sensor, and imaging apparatus

An inverting amplifier includes an input terminal, an output terminal, a pmos transistor, another pmos transistor, an nmos transistor, another nmos transistor, and a clamp circuit. The pmos transistors are connected in series between a supply voltage and an output terminal.
Panasonic Intellectual Property Management Co., Ltd.

Image sensors with a rolling shutter scanning mode and high dynamic range

Imaging pixels may be operated in a rolling shutter scanning mode. Charge signal that is generated on a first chip may be capacitively coupled to signal processing circuits on a second chip.
Semiconductor Components Industries, Llc

Antenna driver circuit

The present disclosure relates to an antenna driver circuit for an antenna associated with a motor vehicle. The antenna driver circuit may include at least one pair of output paths to at least one antenna for forming at least one oscillatory circuit composed of in each case an antenna and at least one capacitor, and a plurality of switches in the form of mosfets controlled by control signals in one respective oscillatory circuit with an antenna.
Continental Automotive Gmbh

Analog to digital conversion circuit

An analog-to-digital (ad) convertor includes: a capacitance digital-to-analog (da) convertor circuit; a comparator circuit coupled to the capacitance da convertor circuit; and a calibration circuit that calculates a correction value for the ad convertor, wherein the capacitance da convertor circuit includes a first capacitor, a second capacitor, n number of capacitors (n being integer equal to or larger than 3), each of the capacitors from first to n-th to be activated based on input digital data, wherein each of the first and second capacitors is designed for having a first capacitance value, wherein the n-th capacitor is designed for having twice the capacitance value of the (n−1)-th capacitor, wherein the calibration circuit calculates the correction value based on first and second results of the ad convertor, and wherein the first result is generated using the n-th capacitor and the second result is generated using the capacitors from first to (n−1)-th.. .
Renesas Electronics Corporation

Novel level shifter

A circuit is disclosed. The circuit includes eight mod transistors and a capacitor, the first mos transistor having a source coupled to a first predetermined supply voltage (vddm), a second mos transistor having a source coupled to a first predetermined supply voltage vddm, a third mos transistor having a source coupled to a drain of the first mos transistor, a fourth mos transistor having a source coupled to a drain of the second mos transistor, a fifth mos transistor having a source coupled to a drain of the third mos transistor and a gate of the second mos transistor, and a gate coupled to a gate of the third mos transistor and an input node, and a drain coupled to ground, a sixth mos transistor having a source coupled to a drain of the fourth mos transistor and a gate of the first mos transistor and an output node..
Taiwan Semiconductor Manufacturing Co., Ltd.

Semiconductor device

A semiconductor device includes a gate terminal, a ground terminal, a power-supply terminal, and a source terminal. The semiconductor device includes a first switch element having a gate and a source, the first switch element connected between the gate terminal and the source terminal, a second switch element connected between one of the gate of the first switch element and the source terminal or between the gate of the first switch element and the ground terminal and configured to switch the first switch element between turned-on and turned-off states, and a capacitor having one terminal thereof connected to the power-supply terminal and the ground terminal and another terminal thereof connected to the gate of the first switch element.
Kabushiki Kaisha Toshiba

Impedance tuning circuit

A circuit for tuning an impedance matching network is disclosed. The circuit includes a current sensor, a control circuit coupled to the current sensor and a reference current source and a tunable capacitor coupled to the control circuit.
Nxp B.v.

Electronic component

An electronic component includes two or more first parallel resonators arranged in an orthogonal direction orthogonal or substantially orthogonal to a lamination direction, each first lc parallel resonator including a first inductor and a first capacitor, two second lc parallel resonators surrounding the two or more first lc parallel resonators from both sides in the orthogonal direction, each second lc parallel resonator including a second inductor and a second capacitor, a second capacitor connected to one end of the two second lc parallel resonators, and a first connecting conductor that connects two of the first lc parallel resonators that are not adjacent in the orthogonal direction, or connects one of the first lc parallel resonators and one of the second lc parallel resonators that are not adjacent in the orthogonal direction.. .
Murata Manufacturing Co., Ltd.

Isolated synchronous rectification control circuit, control device, and control method

The present invention provides an isolated synchronous rectification control circuit, a control device, and a control method. The control circuit includes a power supply module, a reference module, a comparator module, a primary side turn-on determination unit, a secondary intermittent burst estimation unit, a logic unit, and a driver unit.
Wuxi Chip Hope Micro-electronics Ltd

Standby and charging of modular multilevel converters

The present invention proposes a hybrid converter branch operating mode for a modular multilevel power converter mmc with mmc cells in distinct subsets operating according to a “pulse blocked” cell operation mode with dc cell voltage increase or according to a “bypass” cell operation mode without dc cell voltage increase. Repeated cell subset assignment and corresponding alternation of cell operating mode allows to reduce or at least manage a mean deviation of the cell capacitor dc voltages of the converter cells.
Abb Schweiz Ag

Prevention of switching discontinuity in a hybrid switched mode amplifier

A method may include controlling switches of a switching full-bridge of a signal processing system to commutate polarity of a capacitor with respect to the first processing path output and a second processing path output of the signal processing system in response to a condition for commutating connectivity of the switching full-bridge and inserting a feedforward compensation that bypasses a loop filter of the second processing path in order to prevent discontinuities caused by commutating polarity of the capacitor from being compensated by the loop filter.. .
Cirrus Logic International Semiconductor Ltd.

Power supply device

A power supply device having a transformer and a control circuit for controlling a power input to the transformer in accordance with a set value of an output voltage is provided. The power supply device includes an auxiliary winding provided in the transformer and a control power supply circuit configured to rectify ac power produced in the auxiliary winding to output a control voltage for operating the control circuit.
Konica Minolta, Inc.

Very high efficiency one stage isolated power factor correction circuit

In this invention we introduce the concept of a fundamental switching cell with complimentary switchers s and a controlled dead time which is one of the embodiments of this invention. This fundamental switching cell can be used in isolated dc-dc converter applications and also used for totem pole bridgeless power factor correction applications.

Single inductor positive and negative voltage output device

A single inductor positive and negative voltage output device, which not only reduces a chip area, but also meets mutual independent application needs of positive and negative voltage output load currents, which includes an inductor l, one end of the inductor l is connected to the drain of a first pmos power switch m1 and to the drain of a third nmos power switch m3 respectively, the other end of the inductor l is connected to the drain of a second nmos power switch m2 and to the source of a fourth pmos power switch m4 respectively, the gates of m1, m2, m3 and m4 are respectively connected to a drive circuit (1), the source of m1 is connected to a power supply terminal vin, the source of m2 is connected to a ground terminal (6), the source of m3 is connected to a negative voltage output end von, the drain of m4 is connected to a positive voltage output end vop, the negative voltage output end von is connected to ground terminal by a negative terminal capacitor con, the positive voltage output end vop is connected to ground terminal by a positive terminal capacitor cop, the positive voltage output end vop by a positive terminal feedback circuit and the negative voltage output end von by a negative terminal feedback are respectively connected to the drive circuit (1) by a logic control circuit (15).. .
Sg Micro Corp

Wide-voltage-range, direct rectification, power supply with inductive boost

A power supply system has a full-wave rectifier feeding through an inductor having inductance between one and ten millineries to an energy storage capacitor; and a dc-to dc converter coupled to receive power from the energy storage capacitor. The inductor is configured to provide a peak voltage at the energy storage capacitor greater than a peak voltage at the output of the full-wave rectifier.

Temporary energy storage for voltage supply interruptions

In one form, a capacitor voltage limiter (240), comprises a supply node (244), a pass element (242) having a first current electrode coupled to the supply node (244), a control electrode, and a second current electrode. The second current electrode is adapted to be coupled to an external storage capacitor (250).
Semiconductor Components Industries, Llc

Electronic apparatus and operating method thereof

An electronic apparatus and its operating method are provided. The electronic apparatus and its operating method can be configured to drive the capacitor, to detect the received power, and stop driving the capacitor..
Samsung Electronics Co., Ltd.

A controlling a load

A method and apparatus for switching ac power to a lamp (or other load) via a two terminal switch device. The switch device comprises a first electrically controlled switch, such as a triac or relay, and a second electrically controlled resistance or switch connected in series to the first switch.
Switchbee Ltd.

Power storage apparatus, electronic apparatus, electric vehicle, and electric power system

Provided is a power storage apparatus, including: series circuits, the series circuits being formed of first coils and first switching elements, the first coils and the first switching elements being connected to a plurality of battery units in parallel; second coils electromagnetically coupled to the first coils; second switching elements connected to the second coils in series; a capacitor inserted between two common power source lines for commonly supplying voltage to both ends of the series circuits of the second coils and the second switching element related to the plurality of battery units; and a control unit that supplies a control pulse signal to the first switching element and the second switching element for equalizing voltage of each of the plurality of battery units, in which an amount of charge obtained by dividing an amount of transferred charge necessary for eliminating a voltage difference between the first battery unit and the second battery unit into 10 or more is transferred by switching operations of the first and second switching elements.. .
Sony Corporation

Photovoltaic module

A photovoltaic module includes a solar cell module including multiple solar cells, and first and second conductive lines connected respectively to first and second solar cells among the solar cells, and a junction box attached to the solar cell module. The junction box includes a power conversion unit including a capacitor unit located between the first and second conductive lines, a converter unit to change the level of a dc voltage at opposite ends of the capacitor unit and to output the dc voltage, and a controller to control the converter unit.
Lg Electronics Inc.

Cognitive radio antenna assembly

The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f antennas (pifas) that are reconfigurable to selectively operate on different frequency bands. Each pifa has a radiating patch having a slot bridged by pin diodes and dc blocking capacitors on opposite sides of the slot.
King Fahd University Of Petroleum And Minerals

Separators for electrochemical cells

Provided are separators for use in batteries and capacitors comprising (a) at least 50% by weight of an aluminum oxide and (b) an organic polymer, wherein the aluminum oxide is surface modified by treatment with an organic acid to form a modified aluminum oxide, and wherein the treatment provides dispersibility of the aluminum oxide in aprotic solvents such as n-methyl pyrrolidone. Preferably, the organic acid is a sulfonic acid, such as p-toluenesulfonic acid.
Sihl Gmbh

Semiconductor memory device

A semiconductor memory device includes a bit line; two or more word lines; and a memory cell including two or more sub memory cells that each include a transistor and a capacitor. One of a source and a drain of the transistor is connected to the bit line, the other of the source and the drain of the transistor is connected to the capacitor, a gate of the transistor is connected to one of the word lines, and each of the sub memory cells has a different capacitance of the capacitor..
Semiconductor Energy Laboratory Co., Ltd.

Semiconductor device, module, and electronic device

To provide a semiconductor device with small parasitic capacitance. Alternatively, to provide a semiconductor device with low power consumption.
Semiconductor Energy Laboratory Co., Ltd.

Semiconductor structure and manufacturing method thereof

The present disclosure provides a semiconductor structure which comprises a semiconductive substrate and a doped region in the semiconductive substrate. The doped region has a conductivity type opposite to the semiconductive substrate.
Taiwan Semiconductor Manufacturing Company Ltd.

Semiconductor device

A semiconductor device includes a first electrode layer and a second electrode layer. The first electrode layer extends in a first direction.
Taiwan Semiconductor Manufacturing Company Ltd.

Semiconductor device, mim capacitor and associated fabricating method

The present disclosure provides a semiconductor device. The semiconductor device includes: a semiconductor substrate; a first dielectric layer over the semiconductor substrate; a second dielectric layer over the first dielectric layer; an via extending through the second dielectric layer; a bottom conductive layer conformably formed at a bottom and along side walls of the via; a third dielectric layer conformably formed over the bottom conductive layer; an upper conductive layer conformably formed over the third dielectric layer; and an upper contact formed over and coupled to the upper conductive layer and filling the via; wherein the upper conductive layer provide a diffusion barrier between the upper contact and the third dielectric layer.
Taiwan Semiconductor Manufacturing Company Ltd.

Semiconductor device and manufacturing the same

A semiconductor device and method of manufacturing the same is provided. The semiconductor device includes a semiconductor substrate and a stacked capacitor.
Taiwan Semiconductor Manufacturing Company Ltd.

Light emitting device

A light emitting device is provided which can prevent a change in gate voltage due to leakage or other causes and at the same time can prevent the aperture ratio from lowering. A capacitor storage is formed from a connection wiring line, an insulating film, and a capacitance wiring line.
Semiconductor Energy Laboratory Co., Ltd.

Semiconductor memory device including a sense amplifier on a semiconductor substrate, a memory cell including a capacitor and a transistor including conductive lines electrically connected to the sense amplifier

According to one embodiment, a semiconductor memory device includes a sense amplifier on a semiconductor substrate, a memory cell array including a memory cell above the sense amplifier, the memory cell including a capacitor and a first transistor, the capacitor including a first electrode and a second electrode, the first transistor including a first current path and a first control electrode controlling an on/off of the first current path, the first current path including a first terminal and a second terminal, the first terminal being electrically connected to the first electrode, and a first conductive line electrically connected to the second terminal and extending along an upper surface of the semiconductor substrate in a first direction, the first conductive line being electrically connected to the sense amplifier.. .
Kabushiki Kaisha Toshiba

Semiconductor device

A semiconductor device including a non-volatile memory cell including a writing transistor which includes an oxide semiconductor, a reading transistor which includes a semiconductor material different from that of the writing transistor, and a capacitor is provided. Data is written or rewritten to the memory cell by turning on the writing transistor and supplying a potential to a node where a source electrode (or a drain electrode) of the writing transistor, one electrode of the capacitor, and a gate electrode of the reading transistor are electrically connected to each other, and then turning off the writing transistor so that the predetermined amount of charge is held in the node.
Semiconductor Energy Laboratory Co., Ltd.

Semiconductor device

A variable capacitance device that includes a semiconductor substrate, a redistribution layer disposed on a surface of the semiconductor substrate, and a plurality of terminal electrodes including first and second input/output terminals, a ground terminal and a control voltage application terminal. Moreover, a variable capacitance element section is formed in the redistribution layer from a pair of capacitor electrodes connected to the first and second input/output terminals, respectively, and a ferroelectric thin film disposed between the capacitor electrodes.
Murata Manufacturing Co., Ltd.

Microwave monolithic integrated circuit (mmic) amplified having de-q'ing section with resistive via

A microwave amplifier having a field effect transistor formed on an upper surface of a substrate. A de-q'ing section connected to the field effect transistor includes: a de-q'ing resistive via that passes through the substrate; and a de-q'ing capacitor having one plate thereof connected a ground plane conductor through the de-q'ing resistive via..
Raytheon Company

Direct-current circuit breaker

A direct-current circuit includes: a breaker that is inserted into the direct-current line and becomes a path for direct current when in a steady state; a resonance circuit connected in parallel with the breaker and superimposing resonance current on the direct current; and a first disconnector and a second disconnector connected to first and second connection points of the breaker and the resonance circuit, respectively, and forming a path for the direct current together with the breaker. The resonance circuit includes a series circuit that includes a capacitor and a reactor and generates the resonance current, a charging resistor for charging the capacitor with a direct-current potential of the direct-current line, a high-speed switch connected in series with the series circuit on the capacitor side and superimposing the resonance current on the direct current, and an arrester connected in parallel with the capacitor and the high-speed switch..
Mitsubishi Electric Corporation

Polymer supercapacitor and manufacture

The present invention is a polymer supercapacitor and method for making such a supercapacitor. The supercapacitor is formed by loading a flexible electrode plate of a high surface area material with metal oxide particles, then encasing the electrode plate in a coating of a polymer electrolyte.
United States Of America As Represented By The Secretary Of The Army

Capacitor with electrodes made of an interconnected corrugated carbon-based network

Capacitors having electrodes made of interconnected corrugated carbon-based networks (iccns) are disclosed. The iccn electrodes have properties that include high surface area and high electrical conductivity.
The Regents Of The University Of California

Solid electrolytic capacitor and making the same

A solid electrolytic capacitor includes a capacitor element, an anode terminal, a cathode terminal, and a sealing resin covering the capacitor element. The anode terminal includes a support portion for supporting the capacitor element, and an anode standing portion formed upright relative to the support portion.
Rohm Co., Ltd.

Method for producing electrode foils for capacitors, electrode foils, and capacitors comprising said electrode foils

The invention relates to a method for producing electrode foils (1) for capacitors (10), comprising the method steps of: a) providing a metal foil (1), b) transferring microstructures (2) located on a stamping die onto a main surface of the metal foil by a reforming process.. .
Epcos Ag

Electrolytic capacitor production method

An electrolytic capacitor production method is performed in the following procedure. An anode body having a dielectric layer is impregnated with a dispersion containing a conductive polymer and a first solvent.
Panasonic Intellectual Property Management Co., Ltd.

Dielectric composition and multilayer ceramic capacitor containing the same

A multilayer ceramic capacitor includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on outer surfaces of the ceramic body, wherein the dielectric layer contains zirconium (zr), a zr content is 2×zr/(ba+ca+ti+zr) based on an atomic ratio, a first crystal grain is composed of a core part having a zr content of 3.0 at % or less and a shell part having a zr content of 4.0 to 15.0 at %, and a number fraction of the first crystal grain to all crystal grains in the dielectric layer is 4% or more.. .
Samsung Electro-mechanics Co., Ltd.

Capacitor connection structure of power conversion device and connecting capacitor group

A capacitor connection structure of a power conversion device, includes a capacitor having a capacitor end face from which a positive electrode terminal and a negative electrode terminal protrudes that is deformed outward into a convex shape when the fuse is blown, a positive electrode-side main conductor and a negative electrode-side main conductor that are formed by a thick plate and that are connected to another electronic component at positions facing the capacitor end face; a positive electrode-side intermediate conductor that connects the positive electrode terminal to the positive electrode-side main conductor; and a negative electrode-side intermediate conductor that connects the negative electrode terminal to the negative electrode-side main conductor. When the capacitor end face is deformed into the convex shape, the positive electrode-side intermediate conductor and the negative electrode-side intermediate conductor are deformed along with inclination of the positive electrode terminal and the negative electrode terminal..
Fuji Electric Co., Ltd.

Static random access memory (sram) write assist circuit with improved boost

Approaches for a write assist circuit are provided. The write assist circuit includes a boost capacitor with a first node coupled to a bitline through control logic and a second node connected to a field effect transistor (fet) diode stack, a plurality of boot enabled transistors which each contain a gate connected to a boost control signal, and a controlled current source coupled between a ground signal and the second node of the boost capacitor.
Globalfoundries Inc.

Ferroelectric memory cell sensing

Methods, systems, and devices for operating a ferroelectric memory cell or cells are described. A memory device may maintain a digit line voltage at a ground reference for a duration associated with biasing a ferroelectric capacitor of a memory cell.
Micron Technology, Inc.

Cell-specific reference generation and sensing

Methods, systems, and devices for operating a ferroelectric memory cell or cells are described. A portion of charge of a memory cell may be captured and, for example, stored using a capacitor or intrinsic capacitance of the memory array that includes the memory cell.
Micron Technology, Inc.

Complementary gate driver on array circuit employed for panel display

A complementary gate driver on array circuit employed for panel display includes a plurality of goa units that are cascade connected, in which an nth goa unit controls charge to an nth horizontal scanning line g(n) in a display area and includes a pull-up circuit module, a pull-down circuit module, a pull-down holding circuit module, a pull-up controlling circuit module, a pull-down circuit module of an nth gate signal point q(n), and a bootstrap capacitor. The pull-up circuit module, the pull-down circuit module, the pull-down holding circuit module, the pull-down circuit module of the nth gate signal point q(n), and the bootstrap capacitor are respectively coupled to the nth gate signal point q(n) and the nth horizontal scanning line g(n), and the pull-up controlling circuit module is coupled to the nth horizontal scanning line g(n)..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Gate driver on array circuit and display using gate driver on array circuit

A goa circuit includes goa circuit units. Each of the goa circuit units at each stage includes an input control module, an output control module, and a pull-down module.
Wuhan China Star Opteoelectronics Technology Co., Ltd.

Pixel circuit and drive method therefor, and display device

A pixel circuit, a drive method based on the pixel circuit, and a display device. The pixel circuit comprises: a first capacitor (c1), a second capacitor (c2), a second transistor (t2), a third transistor (t3) and a light-emitting branch for being coupled between a first common electrode (vdd) and a second common electrode (vss); wherein the light-emitting branch comprises a first transistor (t1), a fourth transistor (t4) and a light-emitting element (oled) which are connected in series; a first electrode of the first transistor (t1) is coupled to a second electrode of the fourth transistor (t4), and a coupling node is a third node (c); and a control electrode of the fourth transistor (t4) is used for inputting a second scanning control signal (vem), and the fourth transistor (t4) switches the on/off state of the light-emitting branch in response to the second scanning control signal (vem).
Peking University Shenzhen Graduate School

Display device and driving same

A method for driving a display device including a plurality of pixels arranged in rows and columns, each of the pixels including an organic el device that emits light in accordance with supplied current, a driving transistor that supplies current to the organic el device, and a storage capacitor connected between the gate of driving transistor and a source or drain thereof, includes causing the organic el device to emit light by supplying current to the organic el device; resetting charge of at least one of the storage capacitor and a parasitic capacitance of the organic el device; and applying a reverse bias voltage between the gate and source of the driving transistor. The resetting is performed between the light emission and the reverse-bias application..
Joled Inc.

Light-emitting element and display device

A light-emitting device comprising an emitting unit including at least two emitting elements, a driving unit configured to control the emitting unit, and a capacitor unit formed over the driving unit. A shield layer may be located between the two emitting elements.
Sony Corporation

Pixel driving circuit, driving method and organic light-emitting display panel

A pixel driving circuit, a driving method and an organic light-emitting display panel are provided. The pixel driving circuit includes: a first transistor, a second transistor, a third transistor, a fourth transistor and a fifth transistor, a sixth transistor, a seventh transistor and an eighth transistors, and a capacitor.
Tianma Micro-electronics Co., Ltd.

Photoelectric sensor and driving method thereof, array substrate and display device

The present disclosure provides a photoelectric sensor and driving method thereof, as well as an array substrate and a display device. The photoelectric sensor comprises a photoelectric element having an output terminal and a reference level input terminal, an amplifying transistor, a readout transistor, a reset transistor, a capacitor and a plurality of control input terminals.
Boe Technology Group Co., Ltd.

In-cell touch panel, display device and driving method thereof

An in-cell touch panel, a display device and a driving method thereof. The in-cell touch panel includes: an array substrate and an opposing substrate that are arranged opposite to each other; touch detection electrodes; touch-pressure sensing electrodes disposed between a layer provided with the touch detection electrodes and a base substrate of the array substrate.
Beijing Boe Optoelectronics Technology Co., Ltd.

Pixel driver circuit, pixel driving method, pixel circuit and display device

The present disclosure provides a pixel driver circuit, a pixel driving method, a pixel circuit and a display device. The pixel driver circuit includes a touch element connection unit connected between a touch element and a second end of a storage capacitor, a diving control unit connected between a gate electrode of a driving transistor and the second end of the storage capacitor, a first power voltage application unit connected between a second electrode of the driving transistor and a first power line, a touch detection unit connected between a touch detection line and a first electrode of the driving transistor, and a threshold compensation control unit configured to receive a reference voltage and connected to the gate electrode of the driving transistor and the second end of the storage capacitor..
Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Method of manufacturing array substrate and array substrate

A method of manufacturing an array substrate includes: forming a first functional layer comprising a plurality of array substrate areas and connection areas between adjacent array substrate areas; forming a plurality of conductive portions within each of the array substrate areas, the plurality of conductive portions extending from a corresponding one of the array substrate areas to a corresponding one of the connection areas and terminals of the plurality of conductive portions being in connection with capacitor lines within the corresponding one of the connection areas such that two capacitor lines between two adjacent array substrate areas face each other and are formed into a first capacitor element; forming a plurality of second functional layers on the first functional layer formed with the plurality of conductive portions and the capacitor lines, for forming a plurality of array substrates; and performing a cutting process at the connection areas between adjacent array substrates and removing the capacitor lines between the adjacent array substrates so as to form a plurality of separate array substrates. The present disclosure further provides an array substrate manufactured by the method..
Beijing Boe Display Technology Co., Ltd.

Electro-optical modulator using waveguides with overlapping ridges

An optical modulator may include a lower waveguide, an upper waveguide, and a dielectric layer disposed therebetween. When a voltage potential is created between the lower and upper waveguides, these layers form a silicon-insulator-silicon capacitor (also referred to as siscap) guide that provides efficient, high-speed optical modulation of an optical signal passing through the modulator.
Cisco Technology, Inc.

Measuring supercapacitor degradation downhole

A system for use in a wellbore can include a supercapacitor health measurement device including circuitry for determining a capacitance of a supercapacitor that is positionable in the wellbore. The supercapacitor health measurement device can also include circuitry for determining an equivalent series resistance (esr) value of the supercapacitor.
Halliburton Energy Services, Inc.

Electronic device

According to one embodiment, an electronic device includes a transformer connected to a power supply device, a super capacitor chargeable with an output of the transformer, a voltage converter connected to the transformer, a processor having a power supply terminal supplied with an output of the voltage converter, first and second photo-couplers connected to the power supply device, and a capacitor connected to a primary side of the second photo-coupler through a resistor. The primary side of the second photo-coupler is grounded via a pull-down resistor.
Toshiba Client Solutions Co., Ltd.

System for the verification of the absence of voltage

A system for the verification of the absence of voltage includes a first impedance, an amplitude limiter electrically connected to the first impedance, a second impedance electrically connected to the first impedance and the amplitude limiter, a varactor circuit electrically connected to the second impedance, an isolation capacitor electrically connected to the second impedance and varactor circuit, an envelope circuit with a voltage detection circuit connected to the isolation circuit via a buffer, and an rf oscillator. The amplitude limiter configured to limit the voltage applied to the varactor circuit.
Panduit Corp.

Systems and methods for an improved soil moisture sensor

An improved bridge circuitry is presented for improved soil sensor measurements. The improved bridge circuitry may include blocking capacitors, the ability to apply bias voltage, and the substitution of ac meters with dc meters and other improvements..
Groguru, Inc.





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