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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：US20240341150A1
公开(公告)日：2024-10-10
申请号：US18747622
申请日：2024-06-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Xiaodan JIN , Yinan LIANG , Zhenzhen LI , Wenjing TAN , Libin LIU , Qian YANG , Hongli WANG
IPC: H10K59/35 , G02F1/1343 , G09G3/20 , H10K59/122
CPC classification number: H10K59/353 , G02F1/134345 , G09G3/2003 , G02F2201/52 , G09G2300/0452 , H10K59/122
Abstract: A display substrate including a first display area including a plurality of first sub-pixels, a plurality of second sub-pixels and a plurality of third sub-pixels, wherein the display substrate includes a plurality of first pixel groups each of which includes two third sub-pixels, one first sub-pixel and one second sub-pixel, the two third sub-pixels are arranged adjacent to each other along a first direction, the one first sub-pixel and the one second sub-pixel are adjacent to at least one of the two third sub-pixels, located on both sides of a straight line passing centers of the two third sub-pixels, and arranged along a second direction different from the first direction; a size of the first sub-pixel and the second sub-pixel in the second direction is smaller than a size of the first sub-pixel and the second sub-pixel in the first direction, respectively.
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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：US20240155881A1
公开(公告)日：2024-05-09
申请号：US18549800
申请日：2022-10-19
Inventor： Xu LIU , Hongli WANG , Yong QIAO , Xinyin WU
IPC: H10K59/123 , H10K59/124 , H10K59/126 , H10K59/131 , H10K59/40
CPC classification number: H10K59/123 , H10K59/124 , H10K59/126 , H10K59/131 , H10K59/40
Abstract: A display substrate (20) and a display device (40). The display substrate (20) comprises a base substrate (100), and a first insulating layer (301), a first conductive layer (201), a second insulating layer (302) and a second conductive layer (202) that are stacked in sequence. The first insulating layer (301) comprises a first recessed structure (G1). The first conductive layer (201) comprises a first conductive structure (21), and the first conductive structure (21) comprises a bottom surface (21a) close to the base substrate (100), a top surface (21b) away from the base substrate (100), and a first side surface (21c) located between the bottom surface (21a) and the top surface (21b). The second insulating layer (302) comprises a first via hole (V1), the second conductive layer (202) comprises a second conductive structure (22), and the orthographic projection of the first via hole (V1) on the base substrate (100) at least partially overlaps with the orthographic projection of the first recessed structure (G1) on the base substrate (100). The first via hole (V1) exposes at least part of the first side surface (21c) of the first conductive structure (21), the second conductive structure (22) is in contact with at least part of the first side surface (21c) of the first conductive structure (21), the first side surface (21c) of the first conductive structure (21) comprises a protruding curved surface (21d), and the second conductive structure (22) covers at least part of the protruding curved surface (21d). The first conductive structure (21) comprises a connecting portion (21f) located in the first recessed structure (G1) and connected to the protruding curved surface (21d). In a direction parallel to the board surface of the base substrate (100), the protruding curved surface (21d) protrudes towards the middle of the first recessed structure (G1) with respect to the connecting portion (21f). The display substrate (20) can effectively improve the display performance.
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公开(公告)号：US20240040878A1
公开(公告)日：2024-02-01
申请号：US18265519
申请日：2022-08-24
Inventor： Yao HU , Yingsong XU , Xilei CAO , Hongli WANG
IPC: H10K59/35
CPC classification number: H10K59/353 , H10K59/352 , H10K59/12
Abstract: A display panel and a display device are provided. The display panel includes a plurality of sub-pixels, each of the plurality of sub-pixels includes a light-emitting region, the plurality of sub-pixels include a plurality of first color sub-pixels, the first color sub-pixel includes a first light-emitting layer to emit a first color light. The plurality of first color sub-pixels include a plurality of first sub-pixel pairs, each of the plurality of first sub-pixel pairs includes two first color sub-pixels arranged along a first direction, first light-emitting layers of the two first color sub-pixels in each first sub-pixel pair are integrated, light-emitting regions of the two first color sub-pixels in at least one first sub-pixel pair are distributed asymmetrically with respect to any straight line extending along a second direction, and the second direction is perpendicular to the first direction.
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Patent Agency Ranking
公开(公告)号：US20230413654A1
公开(公告)日：2023-12-21
申请号：US18247407
申请日：2021-10-22
Inventor： Chinlung LIAO , Wenbin JIA , Hongli WANG
IPC: H10K71/13 , H10K59/12 , H10K59/122
CPC classification number: H10K71/13 , H10K59/1201 , H10K59/122 , H10K59/35
Abstract: A manufacturing method for a display substrate, a display substrate, and a display device. The uniformity of film thicknesses of light-emitting functional layers in sub-pixel regions of different colors can be achieved, the effective aperture ratio of the sub-pixel regions of different colors can be ensured, and the service life of the device can be prolonged. The manufacturing method includes: providing a base substrate, the base substrate including a plurality of sub-pixel regions of different colors; printing a solution of a light-emitting functional layer in each sub-pixel region, in which the volumes of the solution in the sub-pixel regions of different colors are positively correlated with the saturated vapor pressure of the solution; and performing vacuum drying on the solution to form light-emitting functional layers having uniform film thicknesses.
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公开(公告)号：US20220392971A1
公开(公告)日：2022-12-08
申请号：US17890427
申请日：2022-08-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongli WANG , Lujiang HUANGFU
Abstract: A pixel arrangement structure, a display method and a preparing method of a pixel arrangement structure, and a display substrate are provided. The pixel arrangement structure includes first color sub-pixel blocks, second color sub-pixel blocks, and third color sub-pixel blocks. Each of the plurality of minimum repeating regions has a rectangular shape and includes a first virtual rectangle, and the first virtual rectangle includes one first color sub-pixel block, one second color sub-pixel block and one third color sub-pixel block. Any edge of the first virtual rectangle has a non-zero included angle with a first direction, and the first direction is a row direction or a column direction. The first color sub-pixel block is on a perpendicular bisector of the first edge, the second color sub-pixel block and the third color sub-pixel block are on different sides of the perpendicular bisector of the first edge.
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公开(公告)号：US20220383811A1
公开(公告)日：2022-12-01
申请号：US16958480
申请日：2019-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Libin LIU , Mei LI , Hongli WANG
IPC: G09G3/3233 , H01L27/32
Abstract: A display substrate, a preparation method thereof, a display panel, and a display device are provided. The display substrate includes a base substrate and a repeating unit, the repeating unit includes a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, a color of light emitted by a light-emitting element of the first sub-pixel is identical to a color of light emitted by a light-emitting element of the second sub-pixel, a shape of a first light-emitting voltage application electrode of the light-emitting element of the first sub-pixel is different from a shape of a first light-emitting voltage application electrode of the light-emitting element of the second sub-pixel.
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公开(公告)号：US20220059623A1
公开(公告)日：2022-02-24
申请号：US17453438
申请日：2021-11-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wenjing TAN , Lujiang HUANGFU , Hongli WANG , Hui ZHAO
Abstract: A pixel arrangement structure, a display substrate, and a display device. The pixel arrangement structure comprises pixel groups (10) extending in a first direction and arranged in a second direction, and each pixel group (10) comprises a first sub-pixel row (100), a second sub-pixel row (200), and a third sub-pixel row (300). The first sub-pixel row (100) comprises a plurality of first sub-pixels (110), the second sub-pixel row (200) comprises a plurality of second sub-pixel pairs (210), and the third sub-pixel row (300) comprises a plurality of third sub-pixels (310). The pitches of the plurality of first sub-pixels (110), the plurality of second sub-pixel pairs (210), and the plurality of third sub-pixels (310) in the first direction are same. In each pixel group (10), a line connecting the centers of a first sub-pixel (110) and a third sub-pixel (310) adjacent to each other are substantially parallel to the second direction, and the first sub-pixel row (100) and the second sub-pixel row (200) are shifted by one half of the pitch in the first direction. The orthographic projections of a second sub-pixel pair (210) and a first sub-pixel (110) adjacent to each other on a straight line extending in the first direction are overlapped, and the first sub-pixel rows (100) in the two adjacent pixel groups (10) are shifted by one-half of the pitch in the first direction. The pixel arrangement structure reduces the grainy sensation of the second sub-pixel pairs during display.
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公开(公告)号：US20210408153A1
公开(公告)日：2021-12-30
申请号：US16959376
申请日：2019-07-31
Inventor： Kaipeng SUN , Yuanyou QIU , Weiyun HUANG , Yue LONG , Chao ZENG , Jiangnan LU , Libin LIU , Hongli WANG
IPC: H01L27/32
Abstract: An electroluminescent display panel includes a plurality of repeating units each including a first conductive layer, a first insulating layer including a first via hole, and an anode including a main body and an auxiliary portion. At least one repeating unit includes a first-color sub-pixel, a second-color sub-pixel, and a third-color sub-pixel; the area of the main body of the third-color sub-pixel is larger than that of the second-color sub-pixel and that of the first-color sub-pixel; and an overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the second-color sub-pixel and the first conductive layer, and the overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the first-color sub-pixel and the first conductive layer.
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