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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：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：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：US20220093704A1
公开(公告)日：2022-03-24
申请号：US17238319
申请日：2021-04-23
发明人： Changlong YUAN , Xiaoxiao Wang
摘要： The present disclosure discloses a display panel and a display apparatus. The display panel includes a base substrate; a plurality of light emitting devices and a plurality of light sensors, disposed on the base substrate; thin film transistor structures disposed between the base substrate and the light emitting devices; a pixel definition layer configured to define positions of the light emitting devices; a first planarization layer disposed on a side, facing the base substrate, of the pixel definition layer; a light shading layer; and reflection parts each corresponding to a respective one of the light sensors; wherein: the light emitting devices are electrically connected with the thin film transistor structures; the reflection parts are disposed on sides, facing the base substrate, of the light sensors, and a side, facing the respective one reflection part, of the each light sensor is a light inlet side of the each light sensor.
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公开(公告)号：US20240188361A1
公开(公告)日：2024-06-06
申请号：US17796256
申请日：2021-09-09
发明人： Donghui TIAN , Fan HE , Cong FAN , Rong WANG , Mengmeng DU , Changlong YUAN
IPC分类号： H10K59/131 , G09G3/3266
CPC分类号： H10K59/1315 , G09G3/3266 , G09G2300/0852 , G09G2310/08 , G09G2330/06
摘要： Disclosed is a display substrate including a base substrate, at least one first signal line, and multiple signal access pins. The base substrate includes a display region and a peripheral region located at a periphery of the display region. The peripheral region includes a first peripheral region, a second peripheral region, a third peripheral region, and a fourth peripheral region which are communicated sequentially. The first signal line is located in the peripheral region and includes at least two sub-signal lines connected with each other. The multiple signal access pins are located in a signal access region. Each sub-signal line of the first signal line extends to the signal access region and is connected with at least one signal access pin in the signal access region so as to be connected with a driver chip through the signal access pin.
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公开(公告)号：US20230120335A1
公开(公告)日：2023-04-20
申请号：US17914192
申请日：2021-10-28
发明人： Changlong YUAN , Yingsong XU , Xiaoxiao WANG
摘要： A pixel circuit, a driving method thereof, a display panel and a display apparatus are provided. The pixel circuit includes a light-emitting element, a first voltage terminal, a data signal line, a light emission control sub-circuit, and a photoelectric sensing sub-circuit. The light emission control sub-circuit is connected with the first voltage terminal, the data signal line and the light-emitting element. The photoelectric sensing sub-circuit is connected with the first voltage terminal and the data signal line.
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7.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：US20220376019A1
公开(公告)日：2022-11-24
申请号：US16975241
申请日：2019-10-30
发明人： Changlong YUAN , Benlian WANG , Yingsong XU , Xilei CAO
IPC分类号： H01L27/32 , G09G3/3225
摘要： An array substrate and a display device. The array substrate includes a base substrate, a first electrode, a first insulating layer and a second electrode. The first electrode is on the base substrate; the first insulating layer is on a side of the first electrode away from the base substrate; the second electrode is on a side of the first insulating layer away from the first electrode. The second electrode is provided with a first through-hole and a slit communicated with the first through-hole and extending from the first through-hole to an edge of the second electrode, and an orthographic projection of the first electrode on the base substrate completely falls within an orthographic projection of the second electrode, the first through-hole and the slit on the base substrate. At this time, the first electrode, the second electrode, and the first insulating layer can constitute a capacitor.
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公开(公告)号：US20220319374A1
公开(公告)日：2022-10-06
申请号：US17598790
申请日：2020-10-23
发明人： Yingsong XU , Zhenhua ZHANG , Qian MA , Xilei CAO , Changlong YUAN , Jingyi FENG , Weiyun HUANG , Benlian WANG
摘要： The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.
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公开(公告)号：US20240312414A1
公开(公告)日：2024-09-19
申请号：US18275013
申请日：2022-07-21
发明人： Hongting LU , Hang DONG , Xing HUANG , Xingyu CHEN , Lian XIANG , Yanping REN , Xueying HE , Changlong YUAN
IPC分类号： G09G3/3241 , G09G3/20 , G11C19/28
CPC分类号： G09G3/3241 , G11C19/287 , G09G3/2074 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0286 , G09G2310/061 , G09G2320/043
摘要： A display panel and a display device. The display panel comprises: a substrate, a display area (100) provided with at least one light-emitting signal line (E), at least one first reset signal line (R) and sub-pixels arranged in an array, at least one sub-pixel (P1, P2, P3) comprising: a light-emitting device (L) and a pixel circuit. The first reset signal line (R) is configured to provide a reset control signal for the pixel circuit, the light-emitting signal line is configured to provide a light-emitting control signal for the pixel circuit to provide a driving current. For the first reset signal line and the light-emitting signal line connected to a same pixel circuit, the duration in which the signal of the light-emitting signal line is an invalid level signal is equal to the duration in which the signal of the first reset signal line is a valid level signal.
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