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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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公开(公告)号：US20250098479A1
公开(公告)日：2025-03-20
申请号：US18291759
申请日：2023-02-28
Inventor： Can Yuan , Yongqian Li , Cheng Xu , Dandan Zhou , Ning Liu
IPC: H10K59/80 , H10K59/122 , H10K59/131
Abstract: A display substrate is provided. The display substrate includes a planarization layer; a light emitting element on the planarization layer, including a first electrode, an organic layer on the first electrode, and a second electrode on a side of the organic layer away from the first electrode; an auxiliary electrode in a layer different from the second electrode; one or more first connecting structures electrically connecting the auxiliary electrode with the second electrode, respectively; and one or more second connecting structures electrically connecting the auxiliary electrode with the second electrode, respectively; wherein a respective first connecting structure of the one or more first connecting structures includes a conductive channel including a sintered conductive material; and the conductive channel is absent in the one or more second connecting structures.
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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：US12183281B2
公开(公告)日：2024-12-31
申请号：US18034374
申请日：2022-06-29
Inventor： Min He , Xiaolong Wei , Song Meng , Qiang Fei , Jingbo Xu , Cheng Xu , Miao Liu , Pengfei Yin
IPC: G09G3/3233 , G09G3/20
Abstract: Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.
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Patent Agency Ranking
公开(公告)号：US20240233644A1
公开(公告)日：2024-07-11
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
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0814 , G09G2300/0819 , G09G2300/0842 , G09G2310/0221 , G09G2310/04 , G09G2310/08 , G09G2330/021 , G09G2340/0435
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：US20250098447A1
公开(公告)日：2025-03-20
申请号：US18558248
申请日：2022-10-28
Inventor： Can Yuan , Zhidong Yuan , Liu Wu , Luke Ding , Yongqian Li , Cheng Xu , Dandan Zhou , Dacheng Zhang
IPC: H10K59/131 , G09G3/3225 , H10K59/122
Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, data lines and sub-pixels on the base substrate. The sub-pixels include a sub-pixel driving circuit and a light-emitting element including a first electrode. The sub-pixel driving circuit includes a driving transistor and a data writing transistor having a first electrode coupled to the data line through a second connection structure. A second electrode of the driving transistor is coupled to the first electrode through a first connection structure. The first and second connection structures are in a non-aperture region of the sub-pixel. Orthographic projections of the first and second connection structures onto the base substrate are arranged along a first direction. An orthographic projection of the second connection structure onto the base substrate and an aperture region of the sub-pixel are along a second direction which intersects the first direction.
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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：US12236892B2
公开(公告)日：2025-02-25
申请号：US18272595
申请日：2022-07-28
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan , Liu Wu , Luke Ding , Cheng Xu , Miao Liu , Xing Yao
IPC: G09G3/32 , G09G3/3266 , G11C19/28
Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
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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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