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Voltage Compensation

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


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Method, apparatus and system for voltage compensation in a semiconductor wafer
Globalfoundries Inc.
August 03, 2017 - N°20170222634

At least one method, apparatus and system disclosed involves performing a dynamic voltage compensation in an integrated circuit. A first voltage on a first portion of an integrated circuit is received. A second voltage on a second portion of the integrated circuit is monitored. A determination is made as to whether the second voltage fell below the first voltage by ...
Array substrate and method of manufacturing the same, display panel and display device
Boe Technology Group Co., Ltd.
August 03, 2017 - N°20170219890

The disclosure provides an array substrate, a display panel and a display device, for increasing a viewing angle of the display device. The array substrate includes a plurality of data lines and a plurality of gate lines arranged to cross each other, and a column of pixel units between adjacent data lines, at least one pixel unit each includes at ...
Active-matrix organic light emitting diode (amoled) display apparatus and brightness compensation method thereof
Boe Technology Group Co., Ltd.
July 06, 2017 - N°20170193909

An active-matrix organic light emitting diode (amoled) display apparatus and a brightness compensation method thereof are provided. At an initial compensation stage, a display screen can be subjected to brightness calibration by an image sensor so as to acquire a data voltage compensation value of each sub-pixel when a brightness value of a display panel equals a preset value, a ...
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Organic electroluminescent touch panel, driving method for the same, and display device comprising the same
Beijing Boe Optoelectronics Technology Co., Ltd.
June 01, 2017 - N°20170153759

This application provides an organic electroluminescent touch panel, a driving method for the same, and a display device comprising the same. Without changing the original organic electroluminescent architecture, the cathode layer (2) of the organic electroluminescent architecture is partitioned to form a plurality of cathodes independent of and insulating from each other, the plurality of cathodes serve as touch electrodes to ...
Pixel voltage compensation circuit
Beijing Boe Optoelectronics Technology Co., Ltd.
May 25, 2017 - N°20170148387

A pixel voltage compensation circuit includes a first switch, a second switch, a driving switch, a third switch, a fourth switch, a first capacitor and a second capacitor. The first end of the first switch is coupled to a first node. The second end of the first switch is coupled to the data signal end. The first end of the ...
Pixel circuit, display panel and display device comprising the pixel circuit
Shenzhen China Star Optoelectronics Technology Co., Ltd.
April 20, 2017 - N°20170110052

The present disclosure discloses a pixel circuit, a display panel comprising the pixel circuit, and a display device comprising the pixel circuit. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, and a fifth transistor. The lifetime of the circuit can be prolonged by the pixel circuit with threshold voltage compensation function of ...
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Amoled pixel driving circuit and pixel driving method
Shenzhen China Star Optoelectronics Technology Co., Ltd.
February 09, 2017 - N°20170039940

The present invention provides an amoled pixel driving circuit and a pixel driving method. The amoled pixel driving circuit utilizes a 5t1c structure, comprising a first, a second, a third, a fourth and a fifth thin film transistors (t1, t2, t3, t4, t5), a capacitor (c) and an organic light emitting diode (oled). The first thin film transistor (t1) ...
Line voltage compensation ac led driving device
Shenzhen Sendis Green Power Integrations Technology Corporation
February 02, 2017 - N°20170034882

Disclosed is a line voltage compensation ac led driving device. The line voltage compensation ac led driving device comprises a line voltage compensation module and an ac led driving module. The line voltage compensation module detects an output voltage of a rectifier bridge, and outputs a corresponding line voltage compensation reference voltage to the ac led driving module according to ...
Method and devices for extended insulation-fault search using a multifunctional test current
Bender Gmbh & Co. Kg
February 02, 2017 - N°20170031373

The invention relates to a method and to devices for extended insulation-fault search in an it power supply system using a multifunctional test current, wherein, selectively and depending on the application, the test current functions as a voltage compensation current so as to compensate a voltage increase in an active conductor of the it power supply system, as a tripping ...
Semiconductor device performing common mode voltage compensation using analog-to-digital converter
Samsung Electronics Co., Ltd.
January 26, 2017 - N°20170026051

A semiconductor device is provided that includes a first chip that generates a single signal by connecting a first signal line and a second signal line, to which differential signals are respectively provided, and outputs the single signal to a third signal line. The first chip is driven by a first power supply voltage. The semiconductor device also includes a ...
Pixel signal compensation for a display panel
Apple Inc.
January 19, 2017 - N°20170018219

This application relates to systems, methods, and apparatus for compensating voltage for pixels of a display panel based on the location of the pixels within the display panel. An amount of voltage compensation is assigned to each pixel or a group of pixels within the display panel in accordance with a calibration of the display panel. During operation of the ...
Pixel circuit and driving method thereof, and organic light emitting display
Konkuk University Industrial Cooperation Corp.
December 29, 2016 - N°20160379553

Provided are pixel circuits using organic light emitting diodes (oleds) and a driving method thereof, and an organic light emitting display including the pixel circuits. The oled is driven to emit light by a drive transistor generating a drive current compensated with respect to a threshold voltage difference and mobility deviation. The drive transistor may receive reference voltage and data ...
Gate driver, display apparatus and gate driving method
Boe Technology Group Co., Ltd.
December 22, 2016 - N°20160372046

The present disclosure discloses a gate driver, a display apparatus and a gate driving method, to achieve a function of outputting a multi-pulse waveform by the gate driver. The gate driver according to the present disclosure comprises multiple groups of driving units, each group of driving units comprising n driving units each of which comprises a shift register and a ...
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Voltage compensation circuit including low dropout regulators and operation method thereof
Sk Hynix Inc.
December 08, 2016 - N°20160357205

A method of recovering a voltage drop at an output terminal of a voltage compensation circuit connected to a load including a variable load current according to a condition of the load. A circuit portion for a regulator having an output terminal connected to a load including a variable load current may be provided, the circuit portion may include a ...
Pixel driving circuit, pixel driving method and display apparatus
Chengdu Boe Optoelectronics Technology Co., Ltd.
December 01, 2016 - N°20160351126

The present disclosure relates to a pixel driving circuit, a pixel driving method and a display apparatus. In addition to a storage unit in a conventional pixel driving circuit, the pixel driving circuit comprises an auxiliary storage unit, which is charged to a data voltage in a charging phase and stables a gate potential of a driving unit when a ...
Voltage regulation in wireless power
Intel Corporation
November 17, 2016 - N°20160336757

Techniques for voltage regulation in a system, method, and apparatus are described herein. An apparatus for voltage regulation in a wireless power receiver may include a rectifier having an output voltage. The apparatus may also include voltage compensation logic including at least one capacitor to reduce voltage variation of the output voltage from the rectifier.
Thin-film transistor with carrier injection structure
Soochow University
November 17, 2016 - N°20160336460

A thin-film transistor includes a substrate, a semiconductor channel region, a gate insulating layer, a source region, a drain region, a source electrode, a drain electrode and a gate electrode. The thin-film transistor also includes a carrier injection terminal, and the carrier injection terminal can provide the semiconductor channel region with a carrier of which the polarity is opposite to ...
Display with segmented common voltage paths and common voltage compensation circuits
Apple Inc.
November 17, 2016 - N°20160334658

A display has an array of pixels controlled by display driver circuitry. Gate driver circuitry supplies gate line signals to rows of the pixels. The pixels may be liquid crystal display pixels. Each pixel may have a common electrode voltage terminal. The display may have a transparent conductive film that forms a common electrode voltage layer that overlaps that array ...
Low capacitance drive with improved immunity
Control Techniques Limited
November 10, 2016 - N°20160327998

A supply voltage compensation circuit comprising a processor arranged to sense a signal indicative of a supply voltage on an input wherein if the signal indicates that the supply voltage is under a predetermined threshold, the processor is arranged to provide an output signal arranged to couple an auxiliary energy source to provide voltage compensation for supply under voltage.
Array substrate and manufacturing method thereof, display panel and display device
Ordos Yuansheng Optoelectronics Co., Ltd.
November 10, 2016 - N°20160327842

The invention provides an array substrate and a manufacturing method thereof, a display panel and a display device, the array substrate includes a base substrate, and a data line, a switching device and a voltage compensation module arranged on the base substrate, the switching device is connected between the data line and the voltage compensation module so that the data ...
Flyback converter, control circuit and control method therefor
Silergy Semiconductor Technology (hangzhou) Ltd.
November 03, 2016 - N°20160322908

The disclosure relates to a flyback converter, a control circuit and a control method therefor. In the control method, a power stage circuit is controlled at a light load to operate alternatively in a pulse width modulation mode (i. E. A constant switching frequency mode) and in a constant on time mode, in accordance with a voltage compensation signal. Thus, ...
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