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公开(公告)号：US12021087B2
公开(公告)日：2024-06-25
申请号：US17255815
申请日：2019-10-22
Inventor： Yongfu Diao , Wenkang Wang , Zhongliu Yang , Chenyu Chen
IPC: H01L27/12 , H10K59/12 , H01L27/02 , H10K59/121
CPC classification number: H01L27/1222 , H01L27/124 , H01L27/1274 , H01L27/0207 , H10K59/1213
Abstract: A display substrate, a method of forming a display substrate, a display panel and a display device are provided. The display substrate includes a thin film transistor array layer, where a semiconductor material layer pattern of a driving transistor in the thin film transistor array layer includes a first channel portion, and the first channel portion includes a first sub-channel portion and a second sub-channel portion; the semiconductor material layer pattern further includes a first conductive portion, an included angle between a straight line where a current conduction direction of the first sub-channel portion is located and a straight line where an extending direction of a data line in the thin film transistor array layer is located is a first included angle.
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公开(公告)号：US20240130179A1
公开(公告)日：2024-04-18
申请号：US18016936
申请日：2022-01-29
Inventor： Tiaomei Zhang , Haigang Qing , Yunsheng Xiao , Ziyang Yu , Zhongliu Yang
IPC: H10K59/131 , H10K59/12
CPC classification number: H10K59/131 , H10K59/1201 , G09G3/3233
Abstract: A display substrate includes: a base substrate, a plurality of sub-pixels arranged on the base substrate, a plurality of gate lines, and a plurality of first compensation gate patterns; the sub-pixel includes a sub-pixel driving circuit, and the sub-pixel driving circuit includes a compensation transistor; the compensation transistor includes a second compensation gate pattern, the first compensation gate pattern is located between a corresponding second compensation gate pattern and the base substrate, the first compensation gate pattern is coupled to a DC signal output terminal, and the second compensation gate pattern is coupled to a corresponding gate line; the compensation transistor includes a compensation active layer, the compensation active layer is located between the first compensation gate pattern and the second compensation gate pattern, and the compensation active layer includes a compensation channel portion.
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公开(公告)号：US11751449B2
公开(公告)日：2023-09-05
申请号：US17271035
申请日：2020-05-29
Inventor： Zhongjie Wang , Zhongliu Yang
IPC: H10K59/131 , H10K59/123
CPC classification number: H10K59/131 , H10K59/123
Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes: a base substrate; a plurality of pixel units in an array on the base substrate; and a first power line and a second power line arranged on the base substrate and configured to respectively provide a first power signal and a second power signal to the pixel units. At least one of the pixel units includes: a first-color light emitting device; a second-color light emitting device; a first pixel driving circuit configured to drive the first-color light emitting device; and a second pixel driving circuit configured to drive the second-color light emitting device. The first pixel driving circuit is electrically connected to the first power line, the second pixel driving circuit is electrically connected to the second power line, the first power line and the second power line are insulated from each other.
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公开(公告)号：US20210065624A1
公开(公告)日：2021-03-04
申请号：US16630305
申请日：2019-06-05
Applicant: BOE Technology Group Co., Ltd.
Inventor： Quanhu Li , Yongfu Diao , Wenkang Wang , Zhongliu Yang , Mingjing Yang
IPC: G09G3/3258 , G09G3/3291
Abstract: A pixel circuit, a method for driving a pixel circuit, and a display device are provided. The pixel circuit includes: a storage circuit, a data writing circuit, a light emitting driving circuit, and a compensation circuit. The data writing circuit is configured to write a data voltage to the storage circuit under control of a scanning control signal; the storage circuit is configured to store the data voltage and enable a stored data voltage to be available to the compensation circuit for a compensation operation; the compensation circuit is configured to maintain a compensation voltage based on the stored data voltage at a control terminal of the light emitting driving circuit under control of a compensation control signal; and the light emitting driving circuit configured to drive the light emitting element to emit light under control of the compensation voltage.
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