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公开(公告)号：US20240420632A1
公开(公告)日：2024-12-19
申请号：US18269290
申请日：2022-03-29
Inventor： Dachao LI
IPC: G09G3/3233
Abstract: Provided is a display panel. The display panel includes: a substrate, having a display region and a non-display region at least partially surrounding the display region; a plurality of pixels, disposed in the display region, wherein the plurality of pixels are coupled to a drive circuit and configured to emit light; a temperature sensing circuit, disposed in the non-display region, wherein the temperature sensing circuit is coupled to a first reference power supply terminal, a second reference power supply terminal and a first power supply terminal, and further coupled to the drive circuit; and a trim circuit, disposed in the non-display region, wherein the trim circuit is coupled to the first reference power supply terminal, a plurality of trim control terminals and the first power supply terminal, and further coupled to the drive circuit.
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公开(公告)号：US20220376014A1
公开(公告)日：2022-11-24
申请号：US16958890
申请日：2019-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H01L27/32 , G09G3/3233 , H01L51/56
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20220254856A1
公开(公告)日：2022-08-11
申请号：US17685548
申请日：2022-03-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI
IPC: H01L27/32
Abstract: A display substrate and a display device are provided. The display substrate includes a sub-pixel and the sub-pixel includes a pixel circuit including a data writing sub-circuit, a storage sub-circuit and a driving sub-circuit. The display substrate further includes a first connection electrode and the storage sub-circuit includes a storage capacitor; the first connection electrode is in a same layer as the second capacitor electrode and is insulated form the second capacitor electrode, and the second capacitor electrode electrically connects the first capacitor electrode to the data writing sub-circuit.
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公开(公告)号：US20250078718A1
公开(公告)日：2025-03-06
申请号：US18701296
申请日：2023-07-31
Inventor： Shanghong JIANG , Dachao LI , Longfei FAN , Yaoxi MA , Pengcheng LU , Shengji YANG , Xiaochuan CHEN
Abstract: Provided is a gate drive circuit, including a plurality of shift registers and buffers in cascade, wherein each of the shift registers is configured to output a first gate scanning signal stage by stage according to a preset scanning timing; and each of the buffers is configured to perform waveform inversion on the first gate scanning signal for a plurality of times to convert the first gate scanning signal into a second gate scanning signal, wherein falling edge time of the second gate scanning signal is less than falling edge time of the first gate scanning signal.
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公开(公告)号：US20200211477A1
公开(公告)日：2020-07-02
申请号：US16814119
申请日：2020-03-10
Inventor： Weilin LAI , Yucheng CHAN , Jianbang HUANG , Dachao LI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Xiaochuan CHEN , Xue DONG , Hui WANG , Yanming WANG , Chen XU , Dacheng ZHANG , Yongfa DONG , Qing WANG , Hui TONG , Yunlong LI
IPC: G09G3/3291 , G09G3/3266 , G09G3/3258 , H01L27/32
Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.
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Patent Agency Ranking
公开(公告)号：US20250022421A1
公开(公告)日：2025-01-16
申请号：US18900750
申请日：2024-09-29
Inventor： Junbo WEI , Dachao LI , Shengji YANG , Pengcheng LU , Kuanta HUANG , Zhijian ZHU , Yuanlan TIAN
IPC: G09G3/3233 , G09G3/00
Abstract: A display substrate, a pixel circuit, a driving method and a display device are provided. The display substrate includes a substrate and a plurality of repeating units arranged in an array on one side of the substrate, each repeating unit includes at least two light emitting elements and at least two pixel circuits, each pixel circuit includes a first transistor, a second transistor and a third transistor, and the third transistor is configured to drive the light emitting element to emit light; each repeating unit further includes a first region, a second region and a third region arranged continuously in the first direction, the first region includes at least two of the first transistors, the third region including at least two of the third transistors, and the type of the first transistor and the type of the third transistor are different.
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公开(公告)号：US20240237404A9
公开(公告)日：2024-07-11
申请号：US18476687
申请日：2023-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H10K59/121 , G09G3/3233 , H10K59/131 , H10K71/00
CPC classification number: H10K59/1213 , G09G3/3233 , H10K59/131 , H10K71/00 , G09G2300/0426 , G09G2330/021 , H10K59/1201
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20240122014A1
公开(公告)日：2024-04-11
申请号：US18540016
申请日：2023-12-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI
IPC: H10K59/131 , H10K59/121
CPC classification number: H10K59/131 , H10K59/121
Abstract: A display substrate and a display device are provided. The display substrate includes a sub-pixel and the sub-pixel includes a pixel circuit including a data writing sub-circuit, a storage sub-circuit and a driving sub-circuit. The display substrate further includes a first connection electrode and the storage sub-circuit includes a storage capacitor; the first connection electrode is in a same layer as the second capacitor electrode and is insulated form the second capacitor electrode, and the second capacitor electrode electrically connects the first capacitor electrode to the data writing sub-circuit.
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公开(公告)号：US20220284857A1
公开(公告)日：2022-09-08
申请号：US17826664
申请日：2022-05-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: G09G3/3233
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20240395199A1
公开(公告)日：2024-11-28
申请号：US18262699
申请日：2022-05-31
Inventor： Dachao LI , Zhijian ZHU , Shengji YANG , Xiaochuan CHEN , Junyan YANG , Pengcheng LU , Longfei FAN
IPC: G09G3/3233
Abstract: A pixel circuit includes a light emitting element, a driving circuit, a first energy storage circuit, a second energy storage circuit, and a writing-in control circuit; a first terminal of the first energy storage circuit is electrically connected to a control terminal of the driving circuit and a first terminal of the writing-in control circuit respectively, and a second terminal of the first energy storage circuit is electrically connected to a first terminal of driving circuit, a first terminal of the second energy storage circuit is electrically connected to a second terminal of the writing-in control circuit, and a second terminal of the second energy storage circuit is electrically connected to the writing-in terminal.
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