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公开(公告)号：US20220398982A1
公开(公告)日：2022-12-15
申请号：US17635471
申请日：2020-12-26
发明人： Zhidong YUAN , Pan XU , Can YUAN , Yongqian LI , Zhongyuan WU
IPC分类号： G09G3/3266 , G09G3/3233 , G11C19/28
摘要： An array substrate includes: a substrate, at least one gate driving circuit and at least one clock signal line that are located on a same side of the substrate. The gate driving circuit includes a plurality of cascaded shift registers located in different rows, the plurality of shift registers are divided into at least two groups of shift registers, each group of shift registers includes at least one shift register, located in a same column. A gate driving circuit in the at least one gate driving circuit corresponds to at least one clock signal line. The clock signal line includes a main body transmission section configured to transmit a clock signal, and at least two branch transmission sections connected to the main body transmission section. Each branch transmission section is connected to a clock signal input terminal of each shift register in a respective group of shift registers.
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公开(公告)号：US20220359635A1
公开(公告)日：2022-11-10
申请号：US17416522
申请日：2020-12-29
发明人： Ying HAN , Ling WANG , Yicheng LIN , Pan XU , Xing ZHANG , Guoying WANG
摘要： Provided is a display substrate, including: a substrate, and multiple light-emitting units and multiple light-detecting units located on a substrate. At least one light-emitting unit includes a light-emitting element and a pixel driving circuit coupled with the light-emitting element, and at least one light-detecting unit includes an optical sensing element and a light-emitting detection circuit coupled with an optical sensing element; an optical sensing element is located on one side of a light-emitting detection circuit and a pixel driving circuit away from a substrate and between a light-emitting element and a substrate; the light-emitting element emits light from a side away from the substrate, and a light transmittance region is provided on one side of the light-emitting element facing the optical sensing element.
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公开(公告)号：US20220189406A1
公开(公告)日：2022-06-16
申请号：US17352319
申请日：2021-06-20
发明人： Xuehuan FENG , Yongqian LI , Pan XU
IPC分类号： G09G3/3266 , G09G3/3225 , G11C19/28
摘要： The present disclosure provides a shift register unit, a gate driving circuitry and a method for driving the gate driving circuitry. The shift register unit includes an input circuitry, a first latch circuitry, a second latch circuitry and an output end. The input circuitry is configured to output an input control signal to the first latch circuitry in accordance with a first level signal, a second level signal and a first ON signal. The first latch circuitry is configured to output an output signal as a gate driving signal via the output end in accordance with a first clock signal and the input control signal, and latch the output signal. The second latch circuitry is configured to output a second ON signal in accordance with a second clock signal and the output signal, and latch the second ON signal.
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公开(公告)号：US20220102460A1
公开(公告)日：2022-03-31
申请号：US17298032
申请日：2020-10-28
发明人： Pan XU , Yicheng LIN , Ling WANG , Guoying WANG , Xing ZHANG , Ying HAN
摘要： A display substrate and a manufacturing method therefor, and a display device. The display substrate includes multiple sub-pixels, each sub-pixel including a light-emitting region and a non-light-emitting region, and a driving circuit being provided in each sub-pixel. The driving circuit includes a storage capacitor and multiple transistors. The transistors include a switching transistor, a driving transistor, and a sensing transistor. For each sub-pixel, the transistors are located in the non-light-emitting region, the storage capacitor is a transparent capacitor, and the orthographic projection of the storage capacitor on a substrate overlaps the light-emitting region. The first electrode of the storage capacitor is arranged on the same layer as the active layer of the transistors, and arranged on a different layer from the source and drain electrodes of the transistors, and the second electrode of the storage capacitor is located on the side of the first electrode close to the substrate.
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公开(公告)号：US20210327343A1
公开(公告)日：2021-10-21
申请号：US16621937
申请日：2019-03-27
发明人： Dongxu HAN , Tieshi WANG , Zhongyuan WU , Yongqian LI , Pan XU , Jinxia HU
IPC分类号： G09G3/3225
摘要： Brightness compensation method and apparatus for pixel point are provided. The compensation method includes measurement processes of N times, N≥2. Each measurement process includes: obtaining images displayed on the display screen under different gray-scale signals, and extracting brightness of pixel points in the images; calculating difference parameters between brightness of the pixel points and brightness of the reference pixel point under the different gray-scale signals; fitting the difference parameters of the pixel points with initial brightness of the pixel points under the different gray-scale signals, to obtain initial brightness-difference parameter curves of the pixel points; calculating compensation parameters of the pixel points; during an (i)th measurement process, i=2 to N, images displayed on the display screen under the different gray-scale signals are obtained by compensating the initial brightness of the pixel points under the different gray-scale signals based on the compensation parameters obtained during an (i−1)th measurement process.
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公开(公告)号：US20210166623A1
公开(公告)日：2021-06-03
申请号：US16331673
申请日：2018-08-16
发明人： Cuili GAI , Yicheng LIN , Baoxia ZHANG , Ling WANG , Quanhu LI , Pan XU
IPC分类号： G09G3/3233
摘要： A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.
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27.发明申请公开(公告)号：US20200273933A1
公开(公告)日：2020-08-27
申请号：US16499809
申请日：2019-04-01
发明人： Pan XU , Yicheng LIN , Cuili GAI , Ling WANG , Yongqian LI
摘要： An OLED display substrate, a manufacturing method thereof, and a display device are provided. The manufacturing method includes forming a PIN photodiode on a base substrate, forming an insulative protection layer covering the PIN photodiode, and forming an oxide TFT. The PIN photodiode is formed prior to the formation of an active layer of the oxide TFT, and the insulative protection layer covering the PIN photodiode is formed prior to the formation of a source electrode and a drain electrode of the oxide TFT.
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公开(公告)号：US20200152101A1
公开(公告)日：2020-05-14
申请号：US16086675
申请日：2018-03-02
发明人： Yongqian LI , Pan XU , Quanhu LI
摘要： A circuitry and a method for detecting a failed pixel, and a display device are provided. The circuitry for detecting the failed pixel includes a display control circuit and a failed pixel detection circuit. The display control circuit is connected to a pixel driving circuit, and configured to control, at detection voltage write-in stage and failed pixel detection stage, the pixel driving circuit to cause light-emitting element not to emit light. The failed pixel detection circuit is connected to first electrode of the light-emitting element via failure sense line, and configured to apply a reference voltage to the first electrode of the light-emitting element via the failure sense line at the detection voltage write-in stage, detect a potential at the first electrode of the light-emitting element at the failed pixel detection stage, and determine, in accordance with the potential, whether the pixel circuit is failed.
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29.发明申请公开(公告)号：US20180261663A1
公开(公告)日：2018-09-13
申请号：US15570615
申请日：2017-05-25
发明人： Yongqian LI , Pan XU , Quanhu LI
IPC分类号： H01L27/32 , G09G3/3225 , H01L51/52 , H01L51/50 , H01L51/56
CPC分类号： H01L27/3276 , G09G3/3225 , G09G3/3233 , G09G2300/0842 , G09G2320/0295 , G09G2320/0693 , H01L27/1244 , H01L27/322 , H01L27/3246 , H01L27/3258 , H01L27/3262 , H01L27/3265 , H01L51/5036 , H01L51/5206 , H01L51/5221 , H01L51/56
摘要： An OLED array substrate and a manufacturing method thereof, an array substrate and a display device are provided. The OLED array substrate includes a wire; a plurality of pixel units, each of which includes an OLED light-emitting unit, a driving transistor and a storage capacitor; an insulation layer which covers the driving transistor, the storage capacitor and the wire; and a conductive layer, which is on the insulation layer and is configured to provide a common voltage to the plurality of the pixel units. At least one of the wire, the driving transistor and the storage capacitor is overlapped with the conductive layer in a direction perpendicular to the OLED array substrate.
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公开(公告)号：US20180108292A1
公开(公告)日：2018-04-19
申请号：US15527793
申请日：2016-07-01
发明人： Pan XU
CPC分类号： G09G3/2092 , G09G3/20 , G09G2300/0426 , H01L27/124 , H05K1/118 , H05K1/142 , H05K1/147 , H05K1/189 , H05K2201/049 , H05K2201/056 , H05K2201/09027 , H05K2201/09227 , H05K2201/10128 , H05K2201/10522
摘要： A display device includes a display panel and a control circuit board configured to provide a driving signal to the display panel. The display panel includes a plurality of pixel structures of which pixel structures arranged in one row are connected to one gate line. Pixel structures arranged in one column are connected to one data line. The control circuit board includes a driving chip, an end portion of each of the gate lines and an end portion of each of the data lines are respectively provided with panel pins. The control circuit board is provided with circuit board pins to be electrically connected with the panel pins, and connecting lines through which pins of the control circuit board are connected to the circuit board pins. A spacing between adjacent circuit board pins is larger than a spacing between adjacent pins of the driving chip connected with the circuit board pins.
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