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Diode

Diode-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Ac light emitting diode and ac led drive methods and apparatus
September 13, 2018 - N°20180263087

An led lighting system for use with ac voltage power source configured such that a driver, and led circuit is combined, the driver having an input of a first ac voltage and first frequency and an output of a second voltage and frequency delivered to the led circuit. Embodiments include the led circuit, driver and at least one capacitor mounted ...
Circuitry and method for readout of hybrid bonded image sensors
September 13, 2018 - N°20180262704

A hybrid bonded image sensor has a photodiode die with macrocells having at least one photodiode and a bond contact; a supporting circuitry die with multiple supercells, each supercell having at least one macrocell unit bonded to the bond contact of a macrocell of the photodiode die. Each macrocell unit has a reset transistor adapted to reset photodiodes of the ...
Systems and methods for improved focus tracking using a hybrid mode light source
September 13, 2018 - N°20180262670

Systems and methods disclosed herein include an imaging system that may include a laser diode source; an objective lens positioned to direct a focus tracking beam from the light source onto a location in a sample container and to receive the focus tracking beam reflected from the sample; and an image sensor that may include a plurality of pixel locations ...
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Method and system for a distributed optoelectronic receiver
September 13, 2018 - N°20180262275

Methods and systems for a distributed optoelectronic receiver are disclosed and may include an optoelectronic receiver having a grating coupler, a splitter, a plurality of photodiodes, and a plurality of transimpedance amplifiers (tias). The receiver receives a modulated optical signal utilizing the grating coupler, splits the received signal into a plurality of optical signals, generates a plurality of electrical signals ...
Driver interface methods and apparatus for switch-mode power converters, switch-mode power amplifiers, and other switch-based ...
September 13, 2018 - N°20180262192

A driver interface for a switch-based circuit includes an ac coupling capacitor, a first diode or a first series of diodes, and a second diode or a second series of diodes connected in series with the first diode or first series of diodes but with an opposing polarity. The ac coupling capacitor removes a dc voltage from an input bi-level ...
Integrated bootstrap high-voltage driver chip and technological structure thereof
September 13, 2018 - N°20180262186

Parasitic high-voltage diodes implemented by integration technology in a high-voltage level shift circuit are used for charging a bootstrap capacitor cb, wherein a power supply end of the high voltage level shift circuit is a high-side floating power supply vb, and a reference ground is a floating voltage pgd that is controlled by a bootstrap control circuit. A first parasitic ...
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Diode Patent Applications
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Drive system
September 13, 2018 - N°20180262149

A drive system shifts an inverter from a gate blocking state to a three phase-on state. When it is determined that electric current flows in a diode of an upper arm of the inverter by referring to a phase current of each phase of a motor, the drive system turns on a switching element of the upper arm and thereby ...
Power inverter and power inverting method
September 13, 2018 - N°20180262124

A power inverter includes a plurality of bridge arms and a plurality of switching circuits. The bridge arms are electrically coupled to a first and a second dc node and a neutral point node, and respectively coupled to a corresponding one of a plurality of ac output nodes to provide an ac output voltage and output current via the ac ...
Step-up/down dc-dc converter
September 13, 2018 - N°20180262098

A switch controller performs first sleep operation, to which a transition from normal operation is made when a light load is detected, and second sleep operation, to which a transition is made after the first sleep operation. In the first sleep operation, a coil current is passed via a body diode of any of a plurality of transistors that is ...
Laser driver
September 13, 2018 - N°20180261975

A laser driver is described which comprises a resonant circuit having an inductor and a dc blocking capacitor. A biasing voltage reference is operably coupled to the inductor.
Integrated pumplight homogenizer and signal injector for high-power laser system
September 13, 2018 - N°20180261972

A system includes a master oscillator configured to generate a low-power optical beam. The system also includes a planar waveguide (pwg) amplifier having one or more laser diode pump arrays, a planar waveguide, and a light pipe.
Dual-function optical bench and cooling manifold for high-power laser system
September 13, 2018 - N°20180261967

A system includes a laser system having a master oscillator and a planar waveguide (pwg) amplifier having one or more laser diode pump arrays, a pumphead, input optics, and output optics. The system also includes an optical bench and cooling manifold coupled to the pumphead.
Organic light emitting device
September 13, 2018 - N°20180261794

An organic light emitting diode includes: a first electrode including a concave part or a convex part; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.. .
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  • 3478+ full patent PDF documents of Diode-related inventions.
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Emissive devices for displays
September 13, 2018 - N°20180261785

Embodiments related to emissive devices for displays are discussed. Some embodiments include light emitting diodes including an electron transport layer core having a tube shape with an inner and an outer sidewall, an emission layer on the inner and outer sidewalls, and a hole transport layer on the emission layer, displays and systems including such light emitting diodes, and methods ...
Organic light-emitting diode comprising electron transport layers with different matrix compounds
September 13, 2018 - N°20180261784

The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein—the matrix compound or compounds of the first electron transport layer is/are different ...
Light-emitting layer and preparation method, organic light emitting diode device and display apparatus
September 13, 2018 - N°20180261779

A method for preparing a light-emitting layer, the light-emitting layer, an organic light emitting diode (oled) device, and a display apparatus are provided. The light-emitting layer is prepared by preparing a host material containing a first photocrosslinker group and a guest material containing a second photocrosslinker group.
Heterocyclic compound and organic light emitting diode containing same
September 13, 2018 - N°20180261777

The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.. .
Fluoroalkylfluorene derivatives
September 13, 2018 - N°20180261771

Wherein s1, s2, d and b1 have meanings given in the description that are useful as charge transport and emissive materials for the fabrication of electronic devices such as diodes, transistors, and photovoltaic devices.. .
Light emitting device
September 13, 2018 - N°20180261744

Disclosed is a light emitting device. The light emitting device comprises: a first lead and a second lead which are spaced apart from each other; a body part comprising a base, a reflector, and a cavity; and a light emitting diode which is disposed in the cavity, wherein the first lead includes a first bottom lead and a first top ...
Substrates for light emitting diodes and related methods
September 13, 2018 - N°20180261741

Light emitting diode (led) devices, components and systems are provided. Improved substrates for leds and led devices are provided, with one or more dielectric layers over a reflective layer sufficient to minimize or eliminate damage of the dielectric layer(s).
Light-emitting diode package
September 13, 2018 - N°20180261739

A light-emitting diode package comprising: a substrate having one or more first pads, one or more second pads, a first terminal, and a second terminal, which are all formed on the upper surface; a plurality of light-emitting diode chips loaded on the one or more first pads and electrically connected to the first pad and the second pad; and a ...
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