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公开(公告)号：US20240268172A1
公开(公告)日：2024-08-08
申请号：US18021882
申请日：2022-01-10
发明人： Tiaomei ZHANG , Haigang QING , Zhenhua ZHANG , Mengqi WANG
IPC分类号： H10K59/131 , H10K59/121 , H10K59/35
CPC分类号： H10K59/1315 , H10K59/1213 , H10K59/35
摘要： A display substrate and a display device are provided. The display substrate includes: a base substrate, a plurality of data lines arranged on the base substrate, and a plurality of first sub-pixels arranged on the base substrate; the first sub-pixel includes: a first pixel opening, an orthographic projection of the first pixel opening on the base substrate partially overlaps an orthographic projection of a target data line among the plurality of data lines on the base substrate; a planarization compensation pattern, at least part of the planarization compensation pattern extends along a first direction, an orthographic projection of the planarization compensation pattern on the base substrate at least partially overlaps an orthographic projection of the first pixel opening on the base substrate, the planarization compensation pattern and the target data line are arranged along a second direction, and the second direction intersects the first direction.
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公开(公告)号：US20240249676A1
公开(公告)日：2024-07-25
申请号：US18005955
申请日：2022-01-13
发明人： Haigang QING
IPC分类号： G09G3/3233 , G09G3/3266
CPC分类号： G09G3/3233 , G09G3/3266 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2310/0286
摘要： A driving circuit, a driving method and a display device are provided. The driving circuit includes a plurality of stages of scanning driving circuits and a plurality of rows of pixel driving circuits; wherein at least one stage of scanning driving circuit includes a driving signal output terminal, and the driving signal output terminal is electrically connected to at least three adjacent rows of pixel driving circuits in the plurality of rows of pixel driving circuits, and is configured to provide a compensation control signal, a data writing-in control signal and a reset control signal to the at least three adjacent rows of pixel driving circuits.
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公开(公告)号：US20240130175A1
公开(公告)日：2024-04-18
申请号：US17769332
申请日：2021-05-13
发明人： Tinghua SHANG , Haigang QING , Lulu YANG , Zhengwei LUO
IPC分类号： H10K59/131 , H10K59/12 , H10K59/80
CPC分类号： H10K59/131 , H10K59/1201 , H10K59/873
摘要： Provided is a display substrate. A base substrate includes a display region (100), a binding region located on one side of the display region (100), and a first peripheral region (200) located between the display region and the binding region. The display region (100) comprises multiple display units. A power line (210, 220) is disposed in the first peripheral region (200) of the base substrate, and is electrically connected to the display units. An organic insulating layer is disposed on the side of the power line away from the base substrate. In the first peripheral region (200), the organic insulating layer includes at least two organic grooves and an isolation dam (410, 420) disposed between every two adjacent organic grooves, and the organic grooves penetrate through the organic insulating layer.
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公开(公告)号：US20230169917A1
公开(公告)日：2023-06-01
申请号：US17763758
申请日：2021-03-09
发明人： Yunsheng XIAO , Haigang QING
IPC分类号： G09G3/3233 , G11C19/28 , G09G3/3266
CPC分类号： G09G3/3233 , G11C19/28 , G09G3/3266 , G09G2310/0286 , G09G2300/0842 , G09G2310/08
摘要： The present disclosure provides a shift register including a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first capacitor and an impedance transistor; the second transistor has a first electrode coupled to a second node; the third transistor has a first electrode coupled to a first power terminal and a second electrode coupled to the second node; the fifth transistor has a control electrode coupled to a third node; the impedance transistor has a control electrode coupled to the first power terminal, a first electrode coupled to the second node, and a second electrode coupled to the third node.
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公开(公告)号：US20230026444A1
公开(公告)日：2023-01-26
申请号：US17770613
申请日：2021-06-09
发明人： Haigang QING
IPC分类号： G09G3/3233 , H01L27/32
摘要： A display device includes light emitting elements arranged in a matrix and pixel circuits arranged in a matrix. A pixel circuit includes a first reset sub-circuit, a node control sub-circuit, a light emitting control sub-circuit and a second reset sub-circuit. The first reset sub-circuit is configured to provide a signal of an initial signal line to a first node. The node control sub-circuit is configured to provide a signal of a data signal line to a second node, and compensate the first node until a voltage of the first node meets a threshold condition. The light emitting control sub-circuit is configured to provide a signal of a first power supply line to the second node and provide a signal of a third node to a light emitting element. The second reset sub-circuit is configured to provide a signal of the initial signal line to the light emitting element.
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公开(公告)号：US20220415259A1
公开(公告)日：2022-12-29
申请号：US17771499
申请日：2021-06-09
发明人： Haigang QING
IPC分类号： G09G3/3258
摘要： A display apparatus and driving method therefor. The apparatus comprises light emitting element, pixel circuit, scan signal line, data signal line, initial signal line, light emission control line, first power source line, and first reset line to third reset line. The pixel circuit comprises: first reset sub-circuit configured to provide a signal of the initial signal line to a first node; node control sub-circuit configured to provide a signal of the data signal line to a second node, compensate for the first node until a voltage thereof satisfies a threshold condition, provide a signal of the second node to the third node; light emission control sub-circuit configured to provide a signal of the first power source line to the second node and a signal of the third node to light emitting element; second reset sub-circuit configured to provide a signal of the initial signal line to light emitting element.
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公开(公告)号：US20220399410A1
公开(公告)日：2022-12-15
申请号：US17433381
申请日：2021-02-25
发明人： Bo SHI , Weiyun HUANG , Benlian WANG , Haigang QING
摘要： The present disclosure provides a display device and a manufacturing method thereof. The display device includes an imaging area and a display area on at least one side of the imaging area. The imaging area includes: a substrate; an image collection device on a side of the substrate, the image collection device including a photosensitive element and an optical element; a light blocking layer on a side of the substrate away from the image collection device, wherein the light blocking layer includes at least one of a light absorbing layer or a diffuse reflection layer, and the light blocking layer is provided with a first gap; and a plurality of first electrodes on a side of the light blocking layer away from the substrate, wherein a second gap is provided between two adjacent first electrodes of the plurality of first electrodes.
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公开(公告)号：US20220319434A1
公开(公告)日：2022-10-06
申请号：US17434857
申请日：2020-09-30
发明人： Pengfei YU , Qiang ZHANG , Tinghua SHANG , Lu BAI , Jie DAI , Chenxing WAN , Haigang QING
IPC分类号： G09G3/3266 , G11C19/28
摘要： A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and includes a shift register unit, a first clock signal line, and a second clock signal line in a peripheral region; a first portion and a second portion of a first connection wire of the display substrate are connected to a first gate electrode of a first control transistor of the shift register unit; an orthographic projection of the first portion on the base substrate is on a side of an orthographic projection of an active layer of the first control transistor on the base substrate away from a display region; and an orthographic projection of the second portion on the base substrate is on a side of the orthographic projection of the active layer of the first control transistor on the base substrate close to the display region.
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公开(公告)号：US20220310771A1
公开(公告)日：2022-09-29
申请号：US17418157
申请日：2020-08-31
发明人： Tinghua SHANG , Haigang QING , Yi ZHANG , Tingliang LIU , Yu WANG , Yang ZHOU
IPC分类号： H01L27/32 , H01L51/56 , G09G3/3233
摘要： A display substrate, a method for manufacturing the display substrate, and a display device. In the display substrate, the first sub-pixel and the second sub-pixel each include: a power signal line pattern, at least part of the power signal line pattern extends along the second direction; and a power compensation pattern, at least part of the power compensation pattern extends along the first direction, the power signal line pattern and the power compensation pattern are both located on a side of the first data line pattern and the second data line pattern close to the substrate; the power compensation pattern is electrically connected to the power signal line pattern and a power signal line pattern in an adjacent sub-pixel along the first direction.
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公开(公告)号：US20210319754A1
公开(公告)日：2021-10-14
申请号：US17272777
申请日：2020-07-31
发明人： Tinghua SHANG , Yang ZHOU , Haigang QING , Linhong HAN , Ling SHI , Yao HUANG
IPC分类号： G09G3/3258 , G09G3/3291 , G09G3/3266 , G09G3/20 , H01L51/52 , H01L27/32
摘要： A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.
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