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公开(公告)号：US12232363B2
公开(公告)日：2025-02-18
申请号：US17281266
申请日：2020-08-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Yongqian Li , Guoying Wang , Dacheng Zhang , Chen Xu , Lang Liu , Xing Zhang , Ling Wang , Yicheng Lin , Ying Han
IPC: H10K59/121 , H10K59/126 , H10K59/131 , H10K59/12
Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate.
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公开(公告)号：US12178099B2
公开(公告)日：2024-12-24
申请号：US18467008
申请日：2023-09-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lang Liu , Jingquan Wang , Chen Xu
IPC: H10K59/131 , G06F3/041 , H10K50/844 , H10K59/121 , H10K59/122 , H10K59/40 , H10K59/65 , H10K77/10 , G06F3/044 , H10K102/00
Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.
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公开(公告)号：US12120914B2
公开(公告)日：2024-10-15
申请号：US16958890
申请日：2019-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao Li , Shengji Yang , Chen Xu
IPC: H10K59/121 , G09G3/3233 , H10K59/131 , H10K71/00 , H10K59/12
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：US11930681B2
公开(公告)日：2024-03-12
申请号：US17355739
申请日：2021-06-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongli Wang , Chang Luo , Lei Chen , Kening Zheng , Chen Xu
IPC: H10K59/35 , G09G3/20 , G09G3/3225 , H10K50/813 , H10K50/822 , H10K50/84 , H10K59/121 , H10K59/122 , H10K59/124 , H10K59/131 , H10K59/40
CPC classification number: H10K59/353 , G09G3/2003 , G09G3/3225 , H10K50/813 , H10K50/822 , H10K50/84 , H10K59/121 , H10K59/122 , H10K59/124 , H10K59/131 , H10K59/352 , H10K59/40 , G09G2300/0452
Abstract: A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region, an area of the second effective light emitting region is smaller than that of the first effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, an area ratio between orthographic projections of the first color light emitting layer and the first effective light emitting region on the base substrate is less than an area ratio between orthographic projections of the second color light emitting layer and the second effective light emitting region on the base substrate.
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公开(公告)号：US11663976B2
公开(公告)日：2023-05-30
申请号：US17363639
申请日：2021-06-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing Yao , Chen Xu , Jingquan Wang , Xinyin Wu
IPC: G09G3/3266 , H01L27/32
CPC classification number: G09G3/3266 , H01L27/3272 , H01L27/3276 , G09G2300/0426 , G09G2310/0286
Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a gate scan driving circuit, a light-emitting control scan driving circuit, and a first power line, the gate scan driving circuit includes a first stabilizing capacitor, a first electrode plate of the first stabilizing capacitor is electrically connected to the output terminal of the gate scan driving circuit; and the light-emitting control scan driving circuit includes a second stabilizing capacitor, a first electrode plate of the second stabilizing capacitor is electrically connected to the output terminal, a second electrode plate of the second stabilizing capacitor is electrically connected to the first power line, the second electrode plate of the second stabilizing capacitor includes a first part and a second part, and an organic insulation layer is provided between the first part and the second part.
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Patent Agency Ranking
公开(公告)号：US11545089B2
公开(公告)日：2023-01-03
申请号：US17280283
申请日：2020-05-15
Inventor： Meng Li , Yongqian Li , Chen Xu , Dacheng Zhang , Jingquan Wang , Shi Sun
IPC: G09G3/3233 , G09G3/3266 , G09G3/3275
Abstract: A pixel driving circuit, a display device and an electronic device are provided. The pixel driving circuit includes: a first sub-pixel driving circuit, a second sub-pixel driving circuit, a third sub-pixel driving circuit, and a fourth sub-pixel driving circuit sequentially arranged in a first direction; a detection line; a first power line extending in the second direction; and a second power line extending in the second direction, wherein one of the first power line and the second power line is provided on a side of the second sub-pixel driving circuit away from the third sub-pixel driving circuit, and the other of the first power line and the second power line is provided on a side of the third sub-pixel driving circuit away from the second sub-pixel driving circuit.
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公开(公告)号：US11532690B2
公开(公告)日：2022-12-20
申请号：US17363216
申请日：2021-06-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lang Liu , Jingquan Wang , Chen Xu
Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.
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公开(公告)号：US20220199939A1
公开(公告)日：2022-06-23
申请号：US17274324
申请日：2020-06-12
Inventor： Xinwei Gao , Dacheng Zhang , Lang Liu , Chen Xu
Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel includes an array substrate, an encapsulation cover plate and a plurality of organic layers. The display region includes a plurality of pixels, each pixel includes a plurality of sub-pixels; each sub pixel includes a light-emitting device. The encapsulation cover plate is opposite to the array substrate and includes a first base substrate and a plurality of organic layers on a side of the first base substrate close to the array substrate. The frame sealant is in the non-display region and adheres the array substrate and the encapsulation cover plate; a gap region is between an organic layer of the plurality of the organic layers closest to the frame sealant, the gap region separates the organic layer closest to the frame sealant from the frame sealant; the gap region is in the non-display region.
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公开(公告)号：US10916662B2
公开(公告)日：2021-02-09
申请号：US16528622
申请日：2019-08-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Feng Guan , Guangcai Yuan , Zhi Wang , Chen Xu , Qi Yao , Zhanfeng Cao , Ce Ning , Woobong Lee , Lei Chen
IPC: H01L29/786 , H01L27/12
Abstract: An oxide thin film transistor, an array substrate, and preparation methods thereof are disclosed. The method for preparing an oxide thin film transistor comprises a step of forming a pattern comprising an oxide semiconductor active layer on a substrate, wherein the step comprises: forming an amorphous oxide semiconductor thin film on the substrate; performing an excimer laser annealing, at least at a position in the amorphous oxide semiconductor thin film corresponding to a channel region of oxide semiconductor active layer to be formed, such that the amorphous oxide semiconductor material at the laser-annealed position is crystallized, to form a crystalline oxide semiconductor material; and forming the pattern comprising the oxide semiconductor active layer.
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公开(公告)号：US10651141B2
公开(公告)日：2020-05-12
申请号：US16122035
申请日：2018-09-05
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liqiang Chen , Paoming Tsai , Jianwei Li , Chen Xu
Abstract: The disclosure relates to the field of display technologies and particularly to a chip, a flexible display panel and a display device. The chip includes a body and a plurality of connection terminals arranged on a surface of the body, where each connection terminal is provided with a stress concentration resisting structure for preventing from producing the stress concentration phenomenon.
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