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Charge Sharing patents

      

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




 System and  reducing power loss in switched-capacitor power converters patent thumbnailnew patent System and reducing power loss in switched-capacitor power converters
A system for reducing power loss in a switched-capacitor converter includes a first and second switched capacitor sub-converter each having a flying capacitor and a first, second, third, and fourth switching device. Each switching device is controlled by one of a first, second, third, and fourth clock signal.
The Trustees Of Dartmouth College


 Apparatus and  detecting hovering object, switching matrix,  determining compensation capacitance,  compensating for force sensing capacitance, and  detecting force input patent thumbnailnew patent Apparatus and detecting hovering object, switching matrix, determining compensation capacitance, compensating for force sensing capacitance, and detecting force input
Disclosed is a method of detecting a hovering object, the method including: an operation of precharging a compensation capacitor and a parallel capacitor, which is obtained by connecting in parallel a self-capacitor formed between an object hovering over a touch panel and an electrode of the touch panel and a parasitic capacitor of the touch panel, with a predetermined voltage; a first charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in series; a second charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in parallel; and an operation of outputting an electrical signal provided by the parallel capacitor while the parallel capacitor and the compensation capacitor are connected in parallel.. .
Nplanic Co., Ltd.


 Pixel structure and detection  promoting defect detection rate patent thumbnailPixel structure and detection promoting defect detection rate
The present invention provides a pixel structure and a detection method of promoting defect detection rate. The pixel structure of promoting defect detection rate comprises two areas of a main pixel (10) and a sub pixel (20), and the sub pixel (20) comprises a charge sharing thin film transistor (t3) and a charge sharing capacitor (cst3); a gate of the charge sharing thin film transistor (t3) is electrically coupled to a charge sharing scan line (gate2(m)); the charge sharing capacitor (cst3) is constructed by an ito layer upper electrode plate (42), a metal lower electrode plate (2) and an insulative layer (3) sandwiched between the ito layer upper electrode plate (42) and the metal lower electrode plate (2); the ito layer upper electrode plate (42) and an ito pixel electrode (41) are in a same layer, and the ito layer upper electrode plate (42) is employed as a pixel common electrode coupled to a common voltage signal line (com(m)), and the metal lower electrode plate (2) is coupled to a drain of the charge sharing thin film transistor (t3)..
Shenzhen China Star Optoelectronics Technology Co., Ltd.


 Method and  reducing sar input loading patent thumbnailMethod and reducing sar input loading
The disclosure provides a successive approximation register analog to digital converter (sar adc). The sar adc includes a charge sharing dac that includes an array of msb (most significant bit) capacitors, an array of lsb (least significant bit) capacitors, and an error correction capacitor.
Texas Instruments Incorporated


 Liquid crystal display and a driving method thereof patent thumbnailLiquid crystal display and a driving method thereof
A liquid crystal display includes a liquid crystal panel which includes a plurality of pixels and a plurality of data lines connected to the plurality of pixels and a data driver which applies data voltages having different polarities to adjacent data lines among the plurality of data lines and performs a first charge sharing to short the data lines having the different polarities and a second charge sharing to short the data lines having the same polarity, wherein the voltage of at least one of the data lines is step-wisely changed by the second charge sharing.. .
Samsung Display Co., Ltd.


 Synchronous charge sharing filter patent thumbnailSynchronous charge sharing filter
A signal processing device has a first discrete time analog signal processing section, which has an input, an output, a plurality of charge storage elements, and plurality of switch elements coupling the charge storage elements. The device has a controller coupled to the first signal processing section configured to couple different subsets of the charge elements of the first signal processing section in successive operating phases to apply a signal processing function to an analog signal presented at the input of the first signal processing section and provide a result of the applying of the signal processing function as an analog signal to the output of first signal processing section.
Analog Devices, Inc.


 Driving  display apparatus and circuitry of display apparatus used therein patent thumbnailDriving display apparatus and circuitry of display apparatus used therein
The present invention provides a driving method for display apparatus and circuitry of display apparatus used therein. The driving method comprises providing a pre-clock signal (cpv), a charge sharing control signal (gcs), a clock signal (ck), which swings between a high voltage signal (vh) and a low voltage signal (vl), formed basing on the pre-clock signal (cpv) and the charge sharing control signal (gcs); setting the pre-clock signal (cpv) to “1” when it is high, and setting it to “0” when it is low; setting the charge sharing control signal (gcs) to “1” when it is high, and setting it to “0” when it is low; and triggering the clock signal (ck) to rise to an intermediate voltage signal (vf) from the low voltage signal (vl) or to fall to the intermediate voltage signal (vf) from the high voltage signal (vh) when the charge sharing control signal (gcs) is set to “1” and the pre-clock signal (cpv) is set to “1”..
Shenzhen China Star Optoelectronics Technology Co., Ltd.


 Level shifter circuit with improved time response and control method thereof patent thumbnailLevel shifter circuit with improved time response and control method thereof
A level shifter circuit with improved time response and a control method thereof are disclosed herein. The level shifter circuit includes the output stage circuit of a level shifter and a booster circuit.
Silicon Works Co., Ltd.


 Cost effective low pin/ball count level-shifter for lcd bias applications supporting charge sharing of gate lines with perfect waveform matching patent thumbnailCost effective low pin/ball count level-shifter for lcd bias applications supporting charge sharing of gate lines with perfect waveform matching
A level shifter circuit has a plurality of channels for providing signals to a capacitive load and has circuits for sharing charge stored in the capacitive load between the channels. A first pair of channel clock generating circuits are coupled respectively to a first pair of channels.
Texas Instruments Deutschland Gmbh


 Discrete-time analog circuit, transmitting device, and receiving device patent thumbnailDiscrete-time analog circuit, transmitting device, and receiving device
A discrete-time analog circuit comprises: a voltage-current conversion circuit that converts an input voltage signal into a current signal and outputs the current signal; and a charge inverting circuit that is connected to an output terminal of the voltage-current conversion circuit to perform charge sharing. The charge inverting circuit includes 2m capacitors (m is an integer greater than or equal to 1) that are provided parallel to each other.
Panasonic Corporation


Driving device and driving device control method thereof

A driving device includes a driving module, for generating a plurality of driving signals according to a plurality of next channel data and adjusting coupling relationships of the plurality of driving signals according to a charge sharing control signal; and a timing control module, for generating the plurality of next channel data and selecting one of a plurality of charge sharing control commands as the charge sharing control signal.. .
Novatek Microelectronics Corp.

Charging scan and charge sharing scan double output goa circuit

The present invention provides a charging scan and charge sharing scan double output goa circuit to combine the time sequence and circuit. The nth stage goa unit circuit receives the first, the second low frequency clock signals (lc1, lc2), the direct current low voltage signal (vss), the mth, m−2th high frequency clock signals (ck(m), ck(m−2)), a stage transfer signal (st(n−2)) generated by the n−2th stage goa unit circuit, a charging scan signal (cg(n−2)) generated by the n−2th stage goa unit circuit and a stage transfer signal (st(n+2)) generated by the n+2th stage goa unit circuit, the charging scan signal (cg(n)), a charge sharing scan signal (sg(n−2)) generated by the n−2th stage goa unit circuit and the stage transfer signal (st(n)) are respectively outputted with different tfts; the nth stage goa unit circuit comprises a transmission module (100), a transfer regulation module (200), an output module (300), a rapid pull-down module (400) and a pull-down holding module (500)..
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Evse doubler add-on unit

An add-on adapter 110 enables a single charging port 102 of an electric vehicle charging station 100 to simultaneously charge two electric vehicles. An adapter controller 120 determines the available charging rate offered by the charging station.
Schneider Electric Usa, Inc.

Clock generator circuit of liquid crystal display device and operation method thereof

A clock generator circuit of a liquid display panel includes a charge sharing switch unit, a first capacitor, a first switch, a second switch, a third switch and a fourth switch. The charge sharing switch unit is configured to receive control signals and accordingly output a first-polarity voltage to the first capacitor.
Au Optronics Corp.

Glass panel and manufacturing the same

The field of manufacturing liquid crystal display panels, and in particular a modified glass panel is related. The glass panel comprises: a first metal layer used for forming scan lines and charge sharing lines, and a wiring metal layer used for forming connecting wires, wherein the connecting wires each have a via hole portion, and connect to the scan line and/or the charge sharing line via a via hole in the via hole portion.

Method of driving display panel and display performing the same

A method of driving a display panel includes comparing a previous line data and a present line data to generate a charge sharing enable (eq) signal indicating whether or not a charge sharing is to be applied to a pixel; selectively applying the charge sharing to the present line data utilizing a charge sharing voltage according to the eq signal to generate a data voltage; and outputting the data voltage to the pixel.. .

Source driver and display device including the same

Disclosed are a source driver and a display device including the same. The source driver may include: an output buffer unit including a pair of output buffers controlled by a first power down signal and another pair of output buffers controlled by a second power down signal; and a charge sharing unit configured to control output buffers to share charge when the first or second power down signal is enabled, the output buffers being driven in the same driving range among the pair of output buffers and the other pair of output buffers..
Silicon Works Co., Ltd.

Display driving circuit and display device

A display driving circuit may include: an output buffer unit including a plurality of output buffer pairs, wherein among the plurality of output buffer pairs, each of first output buffers has a first voltage driving potential, and each of second output buffers has a second voltage driving potential; an output switch unit configured to directly connect the plurality of output buffer pairs to a plurality of output line pairs or cross and connect the plurality of output buffer pairs to the plurality of output line pairs; and a charge sharing switch unit configured to connect first output lines corresponding to the first output buffers, and connect second output lines corresponding to the second output buffers. Through this configuration, the display driving circuit can reduce power consumption and heat generation..
Silicon Works, Co., Ltd.

Pulse processing circuit with correction means

The invention relates to a method and a pulse processing circuit (100) for the processing of current pulses (cp) generated by incident photons (x) in a piece of converter material, for instance in a pixel (11) of a radiation detector. Deviations of the pulse shape from a reference are detected and used to identify pulse corruption due to pile-up effects at high count rates and/or charge sharing between neighboring pixels.
Koninklijke Philips N.v.

Display driver and display method

A display driver and display method are provided. The display driver includes a line buffer which receives a plurality of first pixel data corresponding to a first line, and a controller which receives a plurality of second pixel data corresponding to a second line that is different from the first line.

Array substrate, driving method thereof, and display device

An array substrate, a driving method thereof, and a display device are disclosed. The array substrate comprises a plurality of pixel units (11) defined by gate lines (110) and data lines (111) intersecting each other and a charge sharing unit (12).
Beijing Boe Optoelectronics Technology Co., Ltd.

Active matrix display with adaptive charge sharing

Techniques are disclosed for controlling an active matrix display using adaptive charge sharing. Separate voltages applied to each column control line correspond to the image data for setting the grayscale level of the respective pixels.
Barnesandnoble.com Llc

Liquid crystal pixel circuit and driving method thereof

A liquid crystal pixel circuit and a driving method thereof are provided. The liquid crystal pixel circuit has a main pixel, a sub pixel and a charge sharing switch.
Au Optronics Corp.

Charge sharing time domain filter

An approach to time domain filtering uses a passive charge sharing approach to implement an infinite impulse response filter. Delayed samples of an input signal are stored as charges on capacitors of a first array of capacitors, and delayed samples of the output signal are stored as charges on capacitors of a second array of capacitors.
Analog Devices, Inc.

Static random access memory and riving method thereof

A static random access memory comprises a pre-charge unit that supplies a pre-charge voltage to first and second bit lines connected to a bit cell; a capacitor, of which one or the other terminal is selectively connected to a ground terminal; a clamping unit that selectively connects the bit lines with the capacitor to adjust a voltage level of the bit lines; and a mux unit that is included in a unit memory cell including the bit cell, the pre-charge unit, the capacitor and the clamping unit, and activates the bit lines of the unit memory cell in response to reception of a selection signal; wherein the clamping unit connects the first and second bit lines with the capacitor in response to a charge sharing control signal, to induce charge sharing between the first and second bit lines and the capacitor.. .
Korea University And Business Foundation

Liquid crystal display fixing flicker in 3d image display

The present invention proposes an lcd capable of reducing flicker when showing 3d images. The lcd adds a plurality of switch units to every row of scan lines while no additional gate driver is added.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Charge pump circuit used for charge pump phase-locked loop

A charge pump circuit used for a charge pump phase-locked loop that includes a charging and discharging unit, two complementary circuit units, two operational amplifier units, an inverter unit, and a current mirror unit. The charge pump circuit resolves the matching problem of charging and discharging currents and the charge sharing problem in existing charge pump circuits.
University Of Electronic Science And Technology Of China

Means and detecting capacitance connected to ac power

The present invention relates to a novel means and a novel method for detecting a capacitance connected to ac power, which detect a sensor capacitance on the basis of a charge sharing phenomenon occurring due to a difference between voltages applied to a sensor capacitor and an auxiliary capacitor connected to a detection system when an ac voltage applied to the detection system alternates. According to the present invention, since the sensitivity of a signal detected by a detection system is improved, a magnitude and a change amount of a sensor capacitance are stably acquired..

Data driver and display device driving method

A driving method for driving a display apparatus including a plurality of pixels, a plurality of data lines and a data driver. The data driver includes a first latch outputting a first sample data signal to a second latch, the second latch, a first charge sharing line and a second charge sharing line.

Semiconductor integrated circuit device

A digital-correction-type a/d converter which is a charge sharing type and performing successive approximation is realized in a small area. The a/d converter is configured with an a/d conversion unit which is a charge sharing type and performing successive approximation, a digital correction unit which receives a digital output of the a/d conversion unit and performs digital correction to the digital output, and a holding unit which holds a test signal.
Renesas Electronics Corporation

Memory cell with improved write margin

Described is an apparatus and system for improving write margin in memory cells. In one embodiment, the apparatus comprises: a first circuit to provide a pulse signal with a width; and a second circuit to receive the pulse signal and to generate a power supply for the memory cell, wherein the second circuit to reduce a level of the power supply below a data retention voltage level of the memory cell for a time period corresponding to the width of the pulse signal.
Intel Corporation

Driving device for driving display device

The present disclosure provides a driving device for driving a display device. The driving device includes a first charge sharing switch, a second charge sharing switch and one or more third charge sharing switches.
Novatek Microelectronics Corp.

Synchronous rectification controller and relevant control method

A timing controller provides adaptive timings to control a synchronous rectifier with a body diode. The timing controller has a ramp generator providing a ramp signal at a first capacitor.
Leadtrend Technology Corporation

Liquid crystal display of switching to show 2d/3d image

The present invention proposes an lcd of switching to show 2d/3d image. The lcd adds a plurality of switch units to every row of scan lines while no additional gate driver is added.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Charge sharing linear voltage regulator

Exemplary embodiments are related to voltage regulators. A device may include a first energy storage element coupled between a ground voltage and an output.
Qualcomm Incorporated

Novel technique to combine a coarse adc and a sar adc

A successive approximation register analog to digital converter (sar adc) is disclosed. The sar adc receives an input voltage and a plurality of reference voltages.
Texas Instruments Incorporated

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Synchronous charge sharing filter

A signal processing device has a first discrete time analog signal processing section, which has an input, an output, a plurality of charge storage elements, and plurality of switch elements coupling the charge storage elements. The device has a controller coupled to the first signal processing section configured to couple different subsets of the charge elements of the first signal processing section in successive operating phases to apply a signal processing function to an analog signal presented at the input of the first signal processing section and provide a result of the applying of the signal processing function as an analog signal to the output of first signal processing section.
Analog Devices, Inc.

Thin-film transistor array substrate and repairing the same

The present disclosure disclosed a thin-film transistor array substrate and a method for repairing the same. The array substrate comprises: a substrate; a plurality of common lines, configured on the substrate; a plurality of scan lines and data lines, arranged on the substrate with each scan line and data line perpendicular to each other, to form a plurality of pixel areas; a plurality of pixel elements including a main pixel electrode, a sub pixel electrode, and a charge sharing unit including a charge capacitor which provides a voltage difference between the main pixel electrode and the sub pixel electrode.
Shenzhen China Star Optoelectronics Technology Co, Ltd.

Liquid crystal display and driving method thereof

A liquid crystal display includes: a display panel; a signal controller configured to receive an input image signal and an input control signal, output an output image signal and an output control signal, and determine a charge sharing between two or more data lines having voltages in the same polarity; and a data driver configured to convert, based on the output control signal, the image signal into data voltages to be supplied to the data lines connected to the pixels, the data voltages having positive levels and negative levels. The data driver is further configured to perform a first charge sharing by short-circuiting first and second data lines that are adjacent to each other, and a second charge sharing by short-circuiting third and fourth data lines having data voltages in the same polarity, wherein the first charge sharing and the second charge sharing may not temporally overlap with each other..
Samsung Display Co., Ltd.

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Efficient wakeup of power gated domains through charge sharing and recycling

A mechanism is provided for an integrated circuit with power gating. A power header switch is configured to connect and disconnect any circuits to a common voltage source.
International Business Machines Corporation

Gate driver and display apparatus having the same

A gate driver, including multiple stages of gate driving circuits, wherein each stage of the gate driving circuits includes an input part configured to generate a q node signal in response to a carry signal of one of previous stages and a clock signal, the q node signal being applied to q node, an output part configured to output a gate output signal to a gate output terminal in response to the q node signal, and a charge sharing part connected to the gate output terminal of a present stage and a gate output terminal of one of next stages, the charge sharing part configured to operate charge-sharing between the gate output signal of the present stage and a gate output signal of one of the next stages in response to a select signal.. .
Industry-university Cooperation Foundation Hanyang University

Method and sensing in a memory

A method and a memory for sensing a state of a memory cell while the memory cell capacitor is isolated from a data line are described. An activation device of the memory cell can be enabled to couple the memory cell capacitor to a parasitic capacitance of the active data line for charge sharing.
Micron Technology, Inc.

Integratable capacitive touch sensing circuit through charge sharing

An integratable capacitive touch sensing circuit through charge sharing is provided, including a charge sharing circuit, voltage-controlled oscillator, reference frequency generator, switch clock generator and frequency compare circuit; wherein charge sharing circuit further including a sensing capacitor, touch capacitor, share capacitor, charging switch, charge sharing switch and discharging switch, for sharing charge from charged sensing capacitor with discharged share capacitor through charge sharing to accumulate voltage on share capacitor. The capacitance of share capacitor is adjustable for applications generating different sensing capacitance.
Tritan Technology Inc.

Apparatuses and methods for line charge sharing

Apparatuses and methods for charge sharing, between signal lines are disclosed. An example apparatus may include first and second lines and a charge sharing circuit the charge sharing circuit may be coupled to the first line and the second line and configured to receive a first data signal and a second data signal.
Micron Technology, Inc.

Display driving circuit and display device

Disclosed are a display driving circuit and a display device. The display driving circuit includes an output buffer unit that outputs a pair of pixel signals, an output switch unit that directly transfers the pair of pixel signals to a pair of output lines or transfers the pair of pixel signals to the pair of output lines such that the pair of pixel signals cross each other in correspondence with repetitive panel charging/discharging periods, and a charge sharing switch unit that controls charge sharing of the pair of output lines in correspondence with a charge sharing period between the panel charging/discharging periods, and provides a variable connection resistance value for the charge sharing.
Silicon Works Co., Ltd.



Charge Sharing topics:
  • Charge Sharing
  • Liquid Crystal
  • Liquid Crystal Display
  • Memory Cells
  • Memory Cell
  • Display Panel
  • Semiconductor Memory
  • Hierarchical
  • Semiconductor
  • Amplification
  • Memory Device
  • Clamping Circuit
  • Signal Processing
  • Shallow Trench Isolation
  • Crystallin


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    This listing is a sample listing of patent applications related to Charge Sharing for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Charge Sharing with additional patents listed. Browse our RSS directory or Search for other possible listings.


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