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公开(公告)号：US12230210B2
公开(公告)日：2025-02-18
申请号：US18547182
申请日：2022-09-30
Inventor： Liu Wu , Can Yuan , Zhidong Yuan , Cheng Xu , Luke Ding , Yongqian Li , Xiuting Liu
IPC: G09G3/3233 , H10K59/131
Abstract: A display substrate, including: a plurality of partition control signal lines disposed on a base substrate; and a plurality of sub-pixels disposed on the base substrate, at least one of the sub-pixels includes a pixel circuit and a light emitting device. The pixel circuit includes a switch transistor, a first partition control transistor, a drive transistor and a first initialization transistor. The first partition control transistor is electrically connected to the switch transistor, the first initialization transistor, the drive transistor and at least one partition control signal line. The first partition control transistor is configured to: in response to a partition control signal on the partition control signal line, selectively transmit a received first initialization signal to a gate electrode of the drive transistor in an initialization phase, and selectively transmit a received data signal to the gate electrode of the drive transistor in a data writing phase.
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公开(公告)号：US12223900B2
公开(公告)日：2025-02-11
申请号：US18272811
申请日：2022-07-29
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Liu Wu , Xiuting Liu , Luke Ding , Cheng Xu , Miao Liu , Xing Yao
IPC: G09G3/3233 , G11C19/28 , H10K59/131
Abstract: A display substrate and a display apparatus. The display substrate includes a display area provided with pixel circuits arranged in an array and a non-display area provided with M light emitting driving circuits, M control driving circuits and M reset driving circuits. Odd-numbered light emitting driving circuits are electrically connected with first and second light emitting clock signal lines, and even-numbered light emitting driving circuits are connected with third and fourth light emitting clock signal lines; and/or, odd-numbered control driving circuits are electrically connected with first and second control clock signal lines, and even-numbered control driving circuits are connected with third and fourth control clock signal lines; and/or, odd-numbered reset driving circuits are electrically connected with first and second reset clock signal lines, and even-numbered reset driving circuits are connected with third and fourth reset clock signal lines.
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公开(公告)号：US20250124876A1
公开(公告)日：2025-04-17
申请号：US18577444
申请日：2023-03-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengyuan Luo , Pan Xu , Ying Han , Donghui Zhao , Guangshuang Lv , Xing Zhang , Miao Liu , Xing Yao , Cheng Xu
IPC: G09G3/3266 , H10K59/131
Abstract: The present disclosure provides a circuitry structure and a display substrate. The circuitry structure includes a base substrate, and a functional transistor and a signal transmission line arranged on the base substrate. The functional transistor includes a first conductive connection member, a first electrode, a second electrode, at least two gate electrode patterns and at least one active pattern. Orthogonal projections of the first electrode, the second electrode and the at least two gate electrode patterns onto the base substrate at least partially overlap with an orthogonal projection of the active pattern onto the base substrate, and first ends of the gate electrode patterns are coupled to each other. The first conductive connection member is arranged at a layer different from the gate electrode pattern, and coupled to second ends of the gate electrode patterns. The signal transmission line is coupled to the first conductive connection member.
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公开(公告)号：US12262597B2
公开(公告)日：2025-03-25
申请号：US18282106
申请日：2022-11-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying Han , Pan Xu , Xing Zhang , Guangshuang Lv , Donghui Zhao , Chengyuan Luo , Cheng Xu
IPC: H10K59/124 , G09G3/00 , G09G3/3225 , H10K59/122 , H10K59/131
Abstract: A display substrate and a display device, the display substrate includes a base substrate, a pixel driving circuit layer, a first planarization layer, a first metal layer, a second planarization layer, a plurality of first electrodes and a pixel definition layer; the pixel driving circuit layer includes a plurality of pixel driving circuits, the first planarization layer includes a plurality of first vias respectively exposing output terminals of the pixel driving circuits, the first metal layer includes a plurality of data lines extending in a first direction, the pixel definition layer includes a plurality of first definition walls extending in the first direction and a plurality of second definition walls extending in a second direction, and an orthographic projection of at least part of the data lines on the base substrate respectively overlaps with orthographic projections of the plurality of first definition walls on the base substrate.
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公开(公告)号：US12171117B2
公开(公告)日：2024-12-17
申请号：US17604931
申请日：2021-07-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K50/86 , H01L27/12 , H10K59/121 , H10K59/131 , H10K59/35 , H10K59/38
Abstract: A display substrate and a display device are disclosed. In the display substrate, each sub-pixel includes: a conductive light-shielding structure; a buffer layer; a semiconductor layer; an interlayer insulating layer, located on a side of the semiconductor layer away from the buffer layer; and a conductive layer, located on a side of the interlayer insulating layer away from the semiconductor layer, and including a conductive structure. The conductive light-shielding structure includes a first main body portion and a first recessed portion, an average thickness of the first recessed portion is smaller than an average thickness of the first main body portion. The display substrate further includes a first contact hole, the first contact hole penetrates both the interlayer insulating layer and the buffer layer, the conductive structure is electrically connected with the first recessed portion through the first contact hole.
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Patent Agency Ranking
公开(公告)号：US20250078762A1
公开(公告)日：2025-03-06
申请号：US18579920
申请日：2023-03-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Donghui Zhao , Pan Xu , Ying Han , Xing Zhang , Chengyuan Luo , Guangshuang Lv , Cheng Xu , Hongli Wang , Tong Wu , Dandan Zhou
IPC: G09G3/3258 , G11C19/28
Abstract: A grid-driving-circuit array is applied to a display panel, the display panel is delimited into a plurality of active areas, and each of the active areas includes multiple rows of pixel units and multiple rows of grid lines. The multiple groups of grid driving units supply grid driving signals to the plurality of active areas, and each of the groups of grid driving units includes one or more grid driving circuits. The one or more grid driving circuits are configured for supplying the grid driving signals to the grid lines within the active area corresponding to the one or more grid driving circuits. One or more multiplexers, wherein each of the multiplexers includes a plurality of frame-starting-up-signal outputting units, each of the frame-starting-up-signal outputting units of the multiplexer is configured for supplying a frame starting-up signal to one of the grid driving circuits.
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公开(公告)号：US20250089442A1
公开(公告)日：2025-03-13
申请号：US18548328
申请日：2022-11-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Linlin Wang , Dandan Zhou , Cheng Xu
IPC: H10K50/13 , H10K50/852 , H10K59/38 , H10K102/00
Abstract: A display panel is provided, including light emitting devices arranged in an array, and each light emitting devices includes: a first electrode; a first light emitting layer, a second light emitting layer, a third light emitting layer, a fourth light emitting layer, a fifth light emitting layer, and a second electrode, which are all arranged sequentially. A microcavity is formed between the first electrode and the second electrode, four light emitting layers among the first light emitting layer, the second light emitting layer, the third light emitting layer, the fourth light emitting layer and the fifth light emitting layer emit light having a first wavelength, and a remaining light emitting layer, except for the four light emitting layers emitting the light having the first wavelength, emits light having a second wavelength. The first wavelength is smaller than the second wavelength.
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公开(公告)号：US12283248B1
公开(公告)日：2025-04-22
申请号：US18577444
申请日：2023-03-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chengyuan Luo , Pan Xu , Ying Han , Donghui Zhao , Guangshuang Lv , Xing Zhang , Miao Liu , Xing Yao , Cheng Xu
IPC: G09G3/3266 , H10K59/131
Abstract: The present disclosure provides a circuitry structure and a display substrate. The circuitry structure includes a base substrate, and a functional transistor and a signal transmission line arranged on the base substrate. The functional transistor includes a first conductive connection member, a first electrode, a second electrode, at least two gate electrode patterns and at least one active pattern. Orthogonal projections of the first electrode, the second electrode and the at least two gate electrode patterns onto the base substrate at least partially overlap with an orthogonal projection of the active pattern onto the base substrate, and first ends of the gate electrode patterns are coupled to each other. The first conductive connection member is arranged at a layer different from the gate electrode pattern, and coupled to second ends of the gate electrode patterns. The signal transmission line is coupled to the first conductive connection member.
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公开(公告)号：US20250081735A1
公开(公告)日：2025-03-06
申请号：US18288914
申请日：2023-02-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Donghui Yu , Cheng Xu , Dandan Zhou
IPC: H10K59/122 , H10K59/80
Abstract: Provided are a display panel and a display device. The display panel includes: a base substrate, including a plurality of light-emitting regions and a non-light-emitting region located between adjacent light-emitting regions; a pixel-defining layer, located on the base substrate and having a main body part and a plurality of openings defined by the main body part, each of the plurality openings being configured to define at least one of the plurality of light-emitting regions; a first structural layer at least located in one light-emitting region; a second structural layer at least located in the non-light-emitting region; the first structural layer has a first refractive index, the second structural layer has a second refractive index, and the first refractive index is greater than the second refractive index.
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公开(公告)号：US20250037667A1
公开(公告)日：2025-01-30
申请号：US18696855
申请日：2023-02-01
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing Zhang , Pan Xu , Ying Han , Chengyuan Luo , Donghui Zhao , Guangshuang Lv , Cheng Xu
IPC: G09G3/3266 , G09G3/32 , G09G3/3233 , G09G3/36
Abstract: A display panel includes a plurality of rows of pixel circuits, one or more rows of first dummy pixel circuits, a plurality of cascaded scanning driving units and at least one first dummy scanning driving unit. The plurality of rows of pixel circuits are arranged in a first direction. The one or more rows of first dummy pixel circuits are located on a side of the plurality of rows of pixel circuits in the first direction. Each scanning driving unit is configured to transmit a scanning signal to at least one row of pixel circuits. A first dummy scanning driving unit is cascaded to a first stage of scanning driving unit among the plurality of scanning driving units, and is configured to transmit; a cascade signal to the first stage of scanning driving unit; and transmit scanning signals to at least one row of first dummy pixel circuits.
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