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公开(公告)号：US20220123083A1
公开(公告)日：2022-04-21
申请号：US17418814
申请日：2020-11-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying HAN , Yicheng LIN , Pan XU , Xing ZHANG , Zhan GAO , Guang YAN
Abstract: A display substrate (100), a display panel and a display apparatus. The display substrate (100) comprises a base (10), and a light-emitting device (21) and an optical compensation structure (30), which are located on the base (10), wherein the optical compensation structure (30) comprises a photoelectric sensor (31), a transistor (32) and a capacitor (33); the photoelectric sensor (31) is respectively electrically connected to the transistor (32) and the capacitor (33); the photoelectric sensor (31) comprises a first electrode (311), a photosensitive layer (312) located on a side of the first electrode (311) that is away from the base (10), and a second electrode (313) located on a side of the photosensitive layer (312) that is away from the base (10); the transistor (32) comprises a source electrode (324), a drain electrode (323), a gate electrode (322) and an active layer (321); the capacitor (33) comprises a first electrode plate (331) and a second electrode plate (332) located on a side of the first electrode plate (331) that is away from the base (10); neither of the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlaps with the orthographic projection of the first electrode plate (331) on the base (10); and both the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlap with the orthographic projection of the first electrode (311) on the base (10).
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公开(公告)号：US20210208502A1
公开(公告)日：2021-07-08
申请号：US16072728
申请日：2017-12-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wei LI , Xing ZHANG , Dini XIE
Abstract: A photoresist composition, an organic light-emitting diode array substrate and their manufacturing methods are provided. The photoresist composition includes: an alkali soluble resin, a photosensitive monomer, a thermochromic pigment and a solvent whose mass percentages are 10-30 wt %, 1-12 wt %, 5-20 wt %, and 40-65 wt %, respectively; and the thermochromic pigment has a darkened color upon being heated.
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公开(公告)号：US20210193642A1
公开(公告)日：2021-06-24
申请号：US17253537
申请日：2020-05-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan XU , Yicheng LIN , Ling WANG , Guoying WANG , Xing ZHANG , Ying HAN , Dongfang YANG
Abstract: The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.
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公开(公告)号：US20210193001A1
公开(公告)日：2021-06-24
申请号：US16072049
申请日：2018-01-08
Inventor： Xuehuan FENG , Xing ZHANG , Qi HU , Pan XU , Yongqian LI , Meng LI , Zhidong YUAN , Zhenfei CAI , Can YUAN
Abstract: The present application discloses a shift register, a gate driving circuit and a driving method thereof, and a display apparatus. The shift register includes an input sub-circuit, an output sub-circuit, a reset control sub-circuit, a pull-up node reset sub-circuit, and an output signal reset sub-circuit; the input sub-circuit is configured to pre-charge the pull-up node under the control of a signal input to the first signal input terminal; the output sub-circuit is configured to output, through the signal output terminal, a signal input to the first clock signal input terminal under the control of a potential of the pull-up node; the reset control sub-circuit is configured to control, under the control of a reset signal input to the second signal input terminal, whether the pull-up node reset sub-circuit and the output signal reset sub-circuit operate to reset the pull-up node and the signal output terminal, respectively.
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公开(公告)号：US20250095547A1
公开(公告)日：2025-03-20
申请号：US18576548
申请日：2022-12-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Xing ZHANG , Chengyuan LUO , Guangshuang LV , Donghui ZHAO , Cheng XU
IPC: G09G3/32 , G09G3/3233
Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, the sub-pixel includes a pixel circuit and a light-emitting element, the pixel circuit is configured to drive the light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting functional layer located therebetween; the pixel circuit includes a driving transistor, and the first electrode of the light-emitting element is electrically connected to a first electrode of the driving transistor; the plurality of sub-pixels include a first sub-pixel and a second sub-pixel, the first sub-pixel is adjacent to the second sub-pixel, and an orthographic projection of the first electrode of the light-emitting element of the first sub-pixel on the base substrate does not overlap an orthographic projection of the pixel circuit of the second sub-pixel on the base substrate.
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Patent Agency Ranking
公开(公告)号：US20240428731A1
公开(公告)日：2024-12-26
申请号：US18288451
申请日：2023-01-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Pan XU , Mingi CHU , Donghui ZHAO , Xing ZHANG , Chengyuan LUO , Guangshuang LV , Miao LIU , Xing YAO
IPC: G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: A pixel driving circuit is provided to include: a driving transistor; a data writing circuit configured to write a display data voltage from the data line to a first node in a display driving process, and sequentially write a sensing data voltage and a reset data voltage from the data line to the first node in a threshold voltage sensing process; a threshold compensation circuit configured to write a reference voltage from a reference voltage supply terminal to the first node and write a first compensation voltage to a second node in the display driving process, and write a second compensation voltage to the second node when a voltage at the first node changes from the reference voltage to the display data voltage; a sensing circuit configured to write an initialization voltage from the sensing line to the second node in the threshold voltage sensing process; a light emitting element.
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公开(公告)号：US20240188344A1
公开(公告)日：2024-06-06
申请号：US17789248
申请日：2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Yicheng LIN , Guang YAN , Pan XU , Dongfang YANG , Xing ZHANG , Zhan GAO , Guoying WANG , Dacheng ZHANG
IPC: H10K59/123 , H10K59/60 , H10K59/80 , H10K102/10
CPC classification number: H10K59/123 , H10K59/60 , H10K59/80522 , H10K59/80524 , H10K2102/103
Abstract: A light-emitting substrate includes a base substrate, light-emitting device(s) and a first insulating layer. A light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked. The first electrode includes a second sub-electrode and a first sub-electrode. The second sub-electrode includes a first portion covered by the first sub-electrode and a second portion except for the first portion. The first insulating layer has a first opening and a second opening. A portion of a side face of the first sub-electrode located on the second sub-electrode is covered by the first insulating layer. A portion of the light-emitting functional layer located in the first opening is in contact with the first sub-electrode, and a portion of the light-emitting functional layer located in the second opening is in contact with the second portion in the second sub-electrode.
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公开(公告)号：US20230172023A1
公开(公告)日：2023-06-01
申请号：US17920343
申请日：2021-05-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan XU , Yicheng LIN , Xing ZHANG , Ying HAN
IPC: H10K59/131 , H10K59/80
CPC classification number: H10K59/1315 , H10K59/80521 , H10K59/122
Abstract: A display panel and a display apparatus. The display panel comprises: a base substrate, an anode layer, a cathode layer (5), an organic functional layer (4) and cathode signal lines (2), wherein the anode layer is located on the base substrate; the cathode layer (5) is located on the side of the anode layer that faces away from the base substrate, and the orthographic projection of the cathode layer (5) on the base substrate overlaps with both a display area and a non-display area; the organic functional layer (4) is located between the anode layer and the cathode layer (5), and the orthographic projection of the organic functional layer (4) on the base substrate overlaps with the display area (AA); the cathode signal lines (2) are located on the side of the organic functional layer (4) that is close to the base substrate, and the cathode signal lines (2) are located in the non-display area; the orthographic projection of the cathode signal lines (2) on the base substrate and the orthographic projection of the organic functional layer (4) on the base substrate have non-overlapping areas, and the non-overlapping areas comprise at least two mutually separated sub-areas; and the cathode signal lines (2) are coupled to the cathode layer (5) in the at least two mutually separated sub-areas. Therefore, the resistance voltage drop on the cathode layer (5) is reduced, thereby improving the display uniformity of the display panel.
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公开(公告)号：US20220399530A1
公开(公告)日：2022-12-15
申请号：US17770595
申请日：2021-03-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying HAN , Ling WANG , Pan XU , Yicheng LIN , Zhan GAO , Guoying WANG , Xing ZHANG
Abstract: A display apparatus includes a cover plate and a display substrate. The cover plate includes a first base substrate, a black matrix and a support layer stacked on a side of the first base substrate, and a quantum dot layer disposed on the side of the first base substrate. The black matrix and the support layer each have a plurality of openings to form a plurality of opening regions. The quantum dot layer includes a plurality of quantum dot units. Each quantum dot unit is located in an opening region in the plurality of opening regions. The display substrate includes a second base substrate, driving circuit structures disposed on a side of the second base substrate, and light-emitting devices disposed on a side of the driving circuit structures. Each light-emitting device is coupled to a driving circuit structure in the driving circuit structures to emit light.
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公开(公告)号：US20220320217A1
公开(公告)日：2022-10-06
申请号：US17637772
申请日：2021-02-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying HAN , Ling WANG , Yicheng LIN , Pan XU , Guoying WANG , Xing ZHANG
IPC: H01L27/32
Abstract: Disclosed are a display panel and a display device. The display panel includes: a base substrate; a detection circuit, located on the side of the base substrate, and including a transistor and a photosensitive detection component electrically connected to the transistor, and an orthographic projection of the transistor on the base substrate and an orthographic projection of the photosensitive detection component on the base substrate do not overlap with each other; a planarization layer, located on the side of the detection circuit facing away from the base substrate, and including a first surface facing away from the base substrate at the position in which the transistor is located, and a second surface facing away from the base substrate at the position in which the photosensitive detection component is located; and a light-emitting device, located on the side of the planarization layer away from the detection circuit.
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