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公开(公告)号：US20240257755A1
公开(公告)日：2024-08-01
申请号：US18695638
申请日：2023-07-31
申请人： CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD. , Beijing BOE Technology Development Co., Ltd.
发明人： Changlong YUAN , Baoxi WANG , Jingyi FENG , Li ZHU , Zhenhua ZHANG , Xilei CAO , Wulin SHEN , Xiaoxiao WANG , Yao HU , Zhen LIU , Mengmeng DU
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0842 , G09G2310/061 , G09G2310/08 , G09G2320/0233
摘要： A pixel circuit, a driving method, and a display device are provided. The pixel circuit includes a light emitting element, a driving circuit, a first energy storage circuit, a first setting circuit, a second setting circuit and a light emitting control circuit. The first setting circuit controls to connect the first setting voltage terminal and the first node under the control of the first control signal provided by the first control terminal; the second setting circuit controls to connect the second setting voltage terminal and the second terminal of the first energy storage circuit under the control of the second control signal provided by the second control terminal.
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公开(公告)号：US20220319416A1
公开(公告)日：2022-10-06
申请号：US17299078
申请日：2020-09-30
发明人： Linlin WANG , Xilei CAO , Benlian WANG , Weiyun HUANG
IPC分类号： G09G3/3233 , G09G3/3266
摘要： The pixel circuit includes a write-in compensation module for writing data signal(s) into a light emission device through a driving transistor and compensating a threshold voltage of the driving transistor; a first reset module for providing a signal of a first reset signal end to a gate of the driving transistor under control of a first reset control end; a second reset module for providing a signal of a second reset signal end to an anode of the light emission device under control of a second reset control end; and a light emission control module for connecting a drain electrode of the driving transistor with the anode under control of a light emission control end. A cathode of the light emission device is connected with a first power source voltage end; a potential of the first reset signal end is larger than a potential of the second reset signal end.
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公开(公告)号：US20240196682A1
公开(公告)日：2024-06-13
申请号：US17791649
申请日：2021-04-30
发明人： Yudiao CHENG , Xilei CAO , Benlian WANG , Qiwei WANG , Zhenhua ZHANG , Yuxin ZHANG
IPC分类号： H10K59/131
CPC分类号： H10K59/1315
摘要： A display substrate and a display device are provided. The display substrate includes: display region and peripheral region surrounding display region; display region includes at least one group of pixel regions including first pixel region and two second pixel regions, first pixel region is between two second pixel regions along first direction; peripheral region includes fan-out region on a side of first pixel region in second direction, second direction intersects with first direction; in display substrate, at least part of first data line is in first pixel region, first data line includes a part extending along second direction; at least part of second data line is in second pixel region, second data line includes a part extending along second direction; connecting line is coupled to corresponding second data line, connecting line includes a portion in first pixel region, connecting line extends from first pixel region to fan-out region.
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公开(公告)号：US20240169905A1
公开(公告)日：2024-05-23
申请号：US18548734
申请日：2022-07-12
发明人： Xilei CAO , Benlian WANG
IPC分类号： G09G3/3225 , G09G3/3291
CPC分类号： G09G3/3225 , G09G3/3291 , G09G2310/0251 , G09G2310/061
摘要： A pixel driving circuit, a pixel driving method and a display device are provided. The pixel driving circuit is used for driving a light emitting element, the pixel driving circuit includes a driving circuit and a reset circuit; the reset circuit is electrically connected to a first terminal of the driving circuit or a second terminal of the driving circuit, and is configured to initialize a potential of the first terminal of the driving circuit or a potential of the second terminal of the driving circuit in an initialization phase; the driving circuit is configured to control connection between the first terminal of the driving circuit and the second terminal of the driving circuit under the control of a potential of a control terminal of the driving circuit.
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公开(公告)号：US20240257734A1
公开(公告)日：2024-08-01
申请号：US18289225
申请日：2021-11-16
发明人： Zhenhua ZHANG , Yingsong XU , Jingyi FENG , Changlong YUAN , Xilei CAO , Yao HU , Guoqiang TANG
IPC分类号： G09G3/3233 , H10K59/131
CPC分类号： G09G3/3233 , H10K59/131 , G09G2300/0426 , G09G2300/0465 , G09G2300/0819 , G09G2300/0842 , G09G2310/08
摘要： The present application relates to the technical field of displays. Provided are a display panel and a display apparatus. The display panel comprises a first pixel driving circuit, wherein the first pixel driving circuit comprises a low-temperature polysilicon transistor and an oxide transistor. The display panel further comprises: a base substrate, a first conductive layer and a third conductive layer, wherein the first conductive layer comprises a first gate line, and part of the structure of the first gate line is used for forming a gate electrode of the low-temperature polysilicon transistor; the third conductive layer comprises a second gate line, and part of the structure of the second gate line is used for forming a gate electrode of the oxide transistor; and the orthographic projection of the first gate line on the base substrate extends in a first direction.
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公开(公告)号：US20240057423A1
公开(公告)日：2024-02-15
申请号：US18037269
申请日：2022-03-10
发明人： Yingchang GAO , Xilei CAO , Yangpeng WANG , Xucong WANG , Zhenhua ZHANG
IPC分类号： H10K59/35
CPC分类号： H10K59/353 , H10K59/352
摘要： A display panel includes pixels arranged in rows and columns; each pixel includes a first sub-pixel configured to display a first color, a second sub-pixel configured to display a second color, and a third sub-pixel configured to display a third color; all sub-pixels included in the plurality of pixels are arranged in columns; in an odd-numbered column of sub-pixels, first sub-pixels and second sub-pixels are alternately arranged; in an even-numbered column of sub-pixels, third sub-pixels are sequentially arranged, for a first sub-pixel and a second sub-pixel of a same pixel, along a column direction, a border of the first sub-pixel proximate to the second sub-pixel is a first border, and a border of the second sub-pixel proximate to the first sub-pixel is a second border, and distances from at least two points on the first border to the second border along the column direction are not equal.
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公开(公告)号：US20220271059A1
公开(公告)日：2022-08-25
申请号：US17548761
申请日：2021-12-13
发明人： Jingyi FENG , Yingsong XU , Changlong YUAN , Zhenhua ZHANG , Xilei CAO , Qian MA
IPC分类号： H01L27/12
摘要： A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.
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公开(公告)号：US20240224685A1
公开(公告)日：2024-07-04
申请号：US17911737
申请日：2021-10-26
发明人： Ju MEI , Jianpeng WU , Xilei CAO , Tiaomei ZHANG
CPC分类号： H10K59/353 , C23C14/042 , C23C14/24 , H10K59/352 , H10K71/166
摘要： There is provided a display panel, including: pixel units arranged in an array; each pixel unit includes a first sub-pixel, a second sub-pixel and a third sub-pixel emitting light of different colors and having areas sequentially increased; along a column direction of the array, for any adjacent pixel units, the second sub-pixel of the former pixel unit is arranged adjacent to the first sub-pixel of the latter pixel unit; third sub-pixels in the adjacent pixel units are arranged in sequence; a minimum distance and a maximum distance exist between the third sub-pixels adjacent to each other in the adjacent pixel units; for any adjacent pixel units, the second sub-pixel of the former pixel unit and the first sub-pixel of the latter pixel unit, which are adjacent to each other, are kept apart by a first distance being greater than the minimum distance and less than the maximum distance.
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9.发明公开公开(公告)号：US20240144880A1
公开(公告)日：2024-05-02
申请号：US18280153
申请日：2022-07-29
发明人： Li ZHU , Xilei CAO , Zhenhua ZHANG , Xiaoxin LI , Changlong YUAN
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0247 , G09G2320/0257 , G09G2320/045
摘要： A pixel driving circuit includes: a data writing circuit, a compensation control circuit, a light emission control circuit, a voltage regulation circuit, a driving transistor, the compensation control circuit is connected with the driving transistor at a first node, the compensation control circuit is connected with the data writing circuit at a second node, the compensation control circuit, the light emission control circuit, the voltage regulation circuit are connected with the driving transistor at a third node; the compensation control circuit obtains a threshold voltage of the driving transistor, writes a third voltage into the second node, and writes a light emission voltage into the first node according to a variation in a voltage at the second node and the threshold voltage; the voltage regulation circuit maintains a voltage at the third node stable during the compensation control circuit writing the light emission voltage into the first node.
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公开(公告)号：US20240135848A1
公开(公告)日：2024-04-25
申请号：US17769638
申请日：2021-06-08
发明人： Xilei CAO , Yingsong XU , Jingyi FENG
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2300/0861 , G09G2310/0243 , G09G2330/021
摘要： The present disclosure provides a light-emission control signal generation circuitry, a light-emission control signal generation method and a display device. The light-emission control signal generation circuitry includes a first control node control circuitry, a second control node control circuitry, a first node control circuitry, a second node control circuitry and an output circuitry. The first control node control circuitry is configured to control a potential at a first control node to be a first voltage at a first stage; the second control node control circuitry is configured to control a second control node to be electrically decoupled from the first control node at the first stage; and the output circuitry is configured to generate a light-emission control signal under the control of a potential at a first node and a potential at a second node.
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