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公开(公告)号：US12057457B2
公开(公告)日：2024-08-06
申请号：US17418218
申请日：2020-12-29
Inventor： Kui Gong , Xianxue Duan , Haifeng Cui , Tianzhen Liu , Zhihai Zhang
IPC: H01L27/12 , G02F1/1368
CPC classification number: H01L27/1248 , H01L27/127 , G02F1/1368
Abstract: The present disclosure relates to the field of display technology, and discloses a display substrate, a preparation method thereof, and a display panel, used for improving the structure of the display substrate, improving characteristics of a thin film transistor, and increasing the yield of a display product. The display substrate includes: a base substrate; a thin film transistor on the base substrate; and a flattening layer on a side, away from the base substrate, of the thin film transistor, wherein the flattening layer is provided with a groove around a channel area of the thin film transistor, and an orthographic projection of the groove on the base substrate is not overlapped with an orthographic projection of the channel area on the base substrate.
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公开(公告)号：US20240210768A1
公开(公告)日：2024-06-27
申请号：US17912911
申请日：2022-04-29
Inventor： Qianqian Zhang , Chun Wang , Yuqi Liu , Hui Wang , Hongmei Yang , Wei Ren
IPC: G02F1/1343 , G02F1/1368 , H01L27/12
CPC classification number: G02F1/134372 , H01L27/124 , G02F1/1368
Abstract: Provided is a pixel structure. The pixel structure includes: a first electrode, a second electrode, and a liquid crystal layer that are disposed on one side of a substrate and successively stacked, wherein one of the first electrode and the second electrode is a pixel electrode and the other of the first electrode and the second electrode is a common electrode, and the second electrode includes a plurality of electrode branches sequentially arranged in a first direction, wherein each of the electrode branches includes a first end portion, a body portion, and a second end portion that are successively connected in a second direction, the body portion including at least one body segment.
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公开(公告)号：US20240160034A1
公开(公告)日：2024-05-16
申请号：US18283953
申请日：2023-01-03
Inventor： Zhao Dong , Ru Zhou , Xiaoqing Peng , Yun Du , Hu Li , Donghui Wang , Ran An , Douqing Zhang
IPC: G02B30/31 , G02F1/1343 , G02F1/1345
CPC classification number: G02B30/31 , G02F1/134309 , G02F1/13452
Abstract: A grating adjustment apparatus includes a first electrode layer, a second electrode layer and a first substrate and a second substrate that are opposite to each other; the grating adjustment apparatus further includes a plurality of first driving lines, a plurality of second driving lines and a plurality of grating units arranged in the first direction, and is configured as: when the grating adjustment apparatus is powered on, the grating unit is capable of forming a light transmission unit and a shading unit, and opening positions and/or opening ratios of the grating unit are adjustable; and the plurality of grating units are divided into at least one group; for the grating units in the same group, at least two of the first sub-electrodes are electrically connected to different first driving lines, and at least two of the second sub-electrodes are electrically connected to different second driving lines.
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14.发明授权公开(公告)号：US11817023B2
公开(公告)日：2023-11-14
申请号：US17428643
申请日：2020-11-05
Inventor： Fei Xu , Jingyong Li , Jun Hong , Yanbin Wang , Wenhong Tian
IPC: G09G3/00 , G09G3/3233 , H10K59/131
CPC classification number: G09G3/006 , G09G3/3233 , H10K59/131 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2310/0294 , G09G2310/061 , G09G2310/08 , G09G2330/021
Abstract: A display substrate includes a base substrate including a display region and a peripheral region located on at least one side of the display region. The display region is provided with a plurality of sub-pixels, and at least one of the plurality of sub-pixels includes a light-emitting element and a pixel circuit for driving the light-emitting element. The peripheral region includes a detection region, and the detection region is provided with at least one detection electrode which is electrically connected with a first electrode of the light-emitting element and the pixel circuit through a detection lead wire, to detect electrical performance of the light-emitting element through the detection electrode in a detection stage.
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公开(公告)号：US20230282141A1
公开(公告)日：2023-09-07
申请号：US18016688
申请日：2021-11-17
Inventor： Jun HONG , Fei XU , Jingyong LI , Yanbin WANG , Wenhong TIAN , Lei GONG
IPC: G09G3/00 , G09G3/3233
CPC classification number: G09G3/006 , G09G3/3233 , G09G2300/0842 , G09G2330/08 , G09G2330/12 , G09G2320/0242
Abstract: A detection circuit, a driving circuit, and a display panel and a driving method therefor are provided. The detection circuit includes an acquisition circuit and a processing circuit. The acquisition circuit includes a test transistor and an energy storage element, where, for the test transistor, a control end is configured to be coupled to the data signal terminal, a first end is configured to be written with a detection signal, and a second end is coupled to the energy storage element; and a structural characteristic of the test transistor is identical to a structural characteristic of the driving transistor. The processing circuit is coupled to the second end of the test transistor, and configured to detect a voltage at the second end of the test transistor as a detection voltage and regulate the data signal according to the detection voltage.
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Patent Agency Ranking
公开(公告)号：US11741880B2
公开(公告)日：2023-08-29
申请号：US17413362
申请日：2020-09-02
Inventor： Zhixiang Fang , Liangliang Zheng
CPC classification number: G09G3/2092 , G06F3/0412 , G06F3/04166 , G09G2310/0286 , G09G2310/08 , G11C19/28
Abstract: A driving method, a driving circuitry and a display device are provided. The driving method is applied to a touch display panel. A shift register unit in a gate driving circuitry in the touch display panel is electrically coupled with a clock signal terminal, the clock signal terminal is used for providing a clock signal to a pull-up circuit in the shift register unit, and a display cycle includes a display time period and a touch time period. The driving method includes: within a period during which initial N rows of gate lines are turned on after entering the display time period from the touch time period in the display cycle, controlling and adjusting the clock signal to increase a falling speed of a potential of a gate drive signal outputted by the shift register unit; N is a positive integer. The phenomenon of poor horizontal stripes is improved.
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公开(公告)号：US20230266628A1
公开(公告)日：2023-08-24
申请号：US18308107
申请日：2023-04-27
Inventor： Liqing Liao , Hongmin Li , Silin Feng , Ying Wang , Fengjing Tang
IPC: G02F1/1362 , G02F1/1368
CPC classification number: G02F1/136286 , G02F1/1368
Abstract: An array substrate and a reflective display substrate are disclosed. The array substrate includes a base, and a plurality of data lines and a plurality of sub-pixels that are disposed on the base. The sub-pixel includes a reflective pixel electrode and a TFT. An orthographic projection of the pixel electrode in each sub-pixel on the base is overlapped with orthographic projections of a first electrode, a first data line and a second data line.
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公开(公告)号：US11714307B2
公开(公告)日：2023-08-01
申请号：US17789459
申请日：2021-08-26
Inventor： Jie Yang , Yuansheng Zang , Heng Zhang , Sheng Wang , Hui Wang , Junsheng Chen , Feng Qu , Yan Wang
IPC: G02F1/1339 , G02F1/1333 , G02F1/1335 , G02F1/1345 , G02F1/1362 , G02F1/1368 , G02F1/13357
CPC classification number: G02F1/133314 , G02F1/1339 , G02F1/1368 , G02F1/13452 , G02F1/133322 , G02F1/133502 , G02F1/133514 , G02F1/133528 , G02F1/136209 , G02F1/136222 , G02F1/1336 , G02F1/133331 , G02F2201/38
Abstract: A display device includes a backlight module; a display module located on a light exiting side of the backlight module; and a housing accommodating the backlight module and the display module. The display module includes a display panel including an array substrate and a color film substrate arranged opposite to each other. The color film substrate is located between the array substrate and the backlight module. A first polarizer located on one side of the array substrate away from the color film substrate. A manufacturing method of a display device is also provided.
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公开(公告)号：US11687193B2
公开(公告)日：2023-06-27
申请号：US17670600
申请日：2022-02-14
Inventor： Zhixiang Fang , Liangliang Zheng , Guanglei Yang , Xuxu Hu , Peng Ding , Meng Wang
IPC: G06F3/041
CPC classification number: G06F3/041661 , G06F3/0412
Abstract: The present disclosure provides a display substrate and a display device, including a display area and a non-display area on at least one side of the display area; and a plurality of touch signal lines in the display area as well as a plurality of groups of touch selection circuits, a plurality of groups of load compensation circuits and a plurality of touch pads in the non-display area. The load compensation circuits are connected with the touch selection circuits, one group of touch selection circuits is electrically connected with one touch pad and at least two touch signal lines, and one group of load compensation circuits and one group of touch selection circuits connected with each other are electrically connected with one same touch signal line, and are arranged side by side in a vertical direction of the touch signal line.
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公开(公告)号：US11686986B2
公开(公告)日：2023-06-27
申请号：US17472518
申请日：2021-09-10
Inventor： Na Zhao , Xianxue Duan , Miao Yuan
IPC: G02F1/1362
CPC classification number: G02F1/136295
Abstract: Disclosed are a display substrate, a fabrication method for the display substrate, and a display device. By arranging a flat layer with a flat surface facing the second metal layer between a first metal layer and a second metal layer, the second metal layer deposited on the flat layer is also relatively flat, so that the second metal wirings with the same width and spacing as that of first metal wirings can be formed. The etching resolutions of the metal wirings in the fanout region corresponding to the first metal layer and the second metal layer in the solutions of the present disclosure can be the same.
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