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公开(公告)号：US20250160131A1
公开(公告)日：2025-05-15
申请号：US18837450
申请日：2023-09-26
Inventor： Kening ZHENG , Changlong YUAN , Tong WU
IPC: H10K59/122 , H10K59/12
Abstract: Disclosed is a display panel, including a substrate, a pixel definition layer, a plurality of pixel structures, a transparent cathode patterning material (CPM) layer, and a plurality of cathode layers, wherein the pixel definition layer is provided with a plurality of pixel openings; the plurality of pixel structures are disposed in different pixel openings; the transparent CPM layer is disposed on a side, away from the substrate, of the pixel definition layer, and the transparent CPM layer is provided with a plurality of cathode openings, wherein in a thickness direction of the substrate, an orthographic projection of a cathode opening covers an orthographic projection of a pixel opening; and each of the cathode layers is disposed on a side, away from the pixel definition layer, of the pixel structure, and a position of each of the cathode layers corresponds to a position of one cathode opening.
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公开(公告)号：US20230337496A1
公开(公告)日：2023-10-19
申请号：US17637504
申请日：2021-03-31
Inventor： Ning LIU , Dacheng ZHANG , Tong WU , Jun LIU , Qinghe WANG , Yang ZHANG , Bin ZHOU , Liangchen YAN , Huadong WANG , Chongchong LIU , Jie ZHANG
IPC: H10K59/131 , H10K59/12 , H10K71/20
CPC classification number: H10K59/1315 , H10K59/1201 , H10K71/231
Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.
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Patent Agency Ranking
公开(公告)号：US20250113705A1
公开(公告)日：2025-04-03
申请号：US18560169
申请日：2022-11-17
Inventor： Tong WU , Hongli WANG , Pan LI , Ying HAN , Ying CUI , Can YUAN , Xing ZHANG , Ruqin ZHANG , Chunping LONG
IPC: H10K59/121 , H10K59/122 , H10K59/131 , H10K59/88
Abstract: Provided are a display substrate and a display device. The display substrate includes a driving transistor and a storage capacitor, the storage capacitor includes a first electrode plate and a second electrode plate, the second electrode plate is arranged in a same layer as the channel of the driving transistor, the second electrode plate is closer to the base substrate than the first electrode plate, an orthographic projection of the second electrode plate on the base substrate overlaps with an orthographic projection of the pixel opening on the base substrate, the display substrate satisfies a following relationship: a value range of (W*L+S2)*M1/M2 is [0.014, 0.133], and a value range of S2/(W*L) is [2.82, 28.85], where W is a width of the channel of the driving transistor, L is a length of the channel of the driving transistor, S2 is a facing area between the second electrode plate and the first electrode plate, M1 is a count of pixel openings in the display substrate, and M2 is an area of the display substrate, thus increasing the facing area between the electrode plates of the storage capacitor, increasing the capacitance, and improving the holding capacity of the capacitor, and being beneficial to increasing the area ratio of the storage capacitor to the pixel opening, increasing the area proportion of the storage capacitor, and improving the display quality.
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公开(公告)号：US20240306427A1
公开(公告)日：2024-09-12
申请号：US18025382
申请日：2022-06-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying CUI , Hongli WANG , Danyang MA , Tong WU
IPC: H10K59/122 , H10K59/35 , H10K59/80 , H10K102/00
CPC classification number: H10K59/122 , H10K59/352 , H10K59/80515 , H10K2102/351
Abstract: Provided are an array substrate and a manufacturing method thereof, and a display device. The pixel defining layer include first sub-pixel opening columns and second sub-pixel opening columns that are alternately arranged; the first sub-pixel opening column includes at least two types of sub-pixel openings having different illumination colors, and the second sub-pixel opening column includes sub-pixel openings having the same illumination color; an area of the sub-pixel opening in the second sub-pixel opening column is greater than that of the sub-pixel opening in the first sub-pixel column; the pixel defining layer between the first sub-pixel opening column and the second sub-pixel opening column is made of a lyophobic material; the pixel defining layer between adjacent sub-pixel openings in the second sub-pixel opening column is made of a lyophilic material; and in the first sub-pixel opening column, the pixel defining layer between adjacent sub-pixel openings having the same illumination color is made of a lyophilic material, and the pixel defining layer between adjacent sub-pixel openings having different illumination colors is made of a material that is switched between a lyophilic property and a lyophobic property as an external condition changes.
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公开(公告)号：US20250081732A1
公开(公告)日：2025-03-06
申请号：US18026130
申请日：2022-03-24
IPC: H10K59/122 , H10K59/12 , H10K59/121
Abstract: A display substrate, a manufacturing method therefor and a display device are provided. The display substrate includes pixel light emitting regions and pixel spacer regions between adjacent pixel light emitting regions; in a plane perpendicular to the display substrate, the display substrate includes a base substrate and a light emitting structure layer on the base substrate, the light emitting structure layer at least includes an anode, a pixel definition layer and at least one photo spacer, a pixel opening is provided in the pixel definition layer in each pixel light emitting region, the pixel opening exposes the anode, a spacer opening is provided in the pixel definition layer in the pixel spacer region, the photo spacer is provided in the spacer opening, and an orthographic projection of the photo spacer on the base substrate is within a range of an orthographic projection of the spacer opening on the base substrate.
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公开(公告)号：US20250095593A1
公开(公告)日：2025-03-20
申请号：US18728251
申请日：2023-01-10
Inventor： Tong WU , Hongli WANG , Pan LI , Xinxin WANG , Li JIA , Xinyin WU
IPC: G09G3/3291 , H10K59/121 , H10K59/122 , H10K59/131
Abstract: Provided are a display substrate and a display device. The display substrate includes: a base substrate and a plurality of sub-pixels on the base substrate; each sub-pixel includes: a pixel circuit including a storage capacitor including a first electrode plate and a second electrode plate; a light-emitting element; and a pixel definition layer. The sub-pixels include a plurality of openings, orthographic projections of the opening and the second electrode plate on the base substrate are overlapped; the second electrode plate includes a first edge and a second edge extending in the first direction; the opening includes a first edge and a second edge extending in the first direction; the first edge of the second electrode plate is closer to the first edge of the opening; the second edge of the second electrode plates is closer to the second edge of the opening.
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公开(公告)号：US20250048871A1
公开(公告)日：2025-02-06
申请号：US18920115
申请日：2024-10-18
Inventor： Ning LIU , Dacheng ZHANG , Tong WU , Jun LIU , Qinghe WANG , Yang ZHANG , Bin ZHOU , Liangchen YAN , Huadong WANG , Chongchong LIU , Jie ZHANG
IPC: H10K59/131 , H10K59/12 , H10K71/20
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.
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