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公开(公告)号：US20250107411A1
公开(公告)日：2025-03-27
申请号：US18294148
申请日：2023-04-26
Applicant: Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
Inventor： Wenbin JIA , Huaiting SHIH , Xiang WAN
IPC: H10K59/80 , H10K59/12 , H10K59/122 , H10K59/38
Abstract: A display panel is provided, including a driving back plate, sub-pixels and micro-lens units; the micro-lens units are on a side of the sub-pixels away from the driving back plate; an orthographic projection of each micro-lens unit covers an orthographic projection of an opening of the corresponding sub-pixel; a pattern of each micro-lens unit is axisymmetric with respect to an axis in any cross section perpendicular to the driving back plate and passing through a center of the orthographic projection of the micro-lens unit; the axis is a straight line passing through the center and perpendicular to the driving back plate; in the cross section, a distance from any point on a side of the micro-lens unit away from the driving back plate to the center is D, a length of a side of the micro-lens unit close to the driving back plate is 2R, and 0.9≤D/R≤1.0.
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公开(公告)号：US20240276776A1
公开(公告)日：2024-08-15
申请号：US18023382
申请日：2022-05-26
Inventor： Wenbin JIA
IPC: H10K59/122 , H10K59/121
CPC classification number: H10K59/122 , H10K59/121
Abstract: A display substrate includes a display area including multiple first electrodes and a pixel definition layer; the pixel definition layer includes multiple blocking portions extending in a second direction and spaced in a first direction, and multiple groups of spacing portions spaced in the second direction, each group of spacing portions includes multiple spacing portions spaced in the first direction, each spacing portion is between two adjacent blocking portions; a portion of a blocking portion between two adjacent spacing portions in the first direction is a first portion, and a portion of the blocking portion between two adjacent first portions is a second portion; in the display area, the first portion includes a first material layer and a second material layer that are sequentially stacked in a direction away from the base substrate, a material of the second material layer is the same as a material of the second portions.
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公开(公告)号：US20230363228A1
公开(公告)日：2023-11-09
申请号：US17802153
申请日：2021-11-16
Inventor： Wenbin JIA , Wenfeng SONG , Feifei ZHU
IPC: H10K59/35 , H10K59/131
CPC classification number: H10K59/353 , H10K59/131
Abstract: A display substrate and a display device, the display substrate comprising a transparent display area and a non-display area disposed on the periphery of the transparent display area; the transparent display area comprises a base substrate and a plurality of display units which are arranged in an array on the base substrate; the display units each comprise a display area and a first transparent area; the display areas each comprise a plurality of sub-pixels, and each sub-pixel comprises a pixel driving circuit and a light-emitting element; the pixel driving circuits are configured to drive the light-emitting elements to emit light; and the display area is at least partially surrounded by the first transparent area. The display device comprises the display substrate.
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公开(公告)号：US20250040353A1
公开(公告)日：2025-01-30
申请号：US18696953
申请日：2023-07-05
Inventor： Wenbin JIA , Zhijie YE
IPC: H10K59/122 , H10K59/12
Abstract: A display panel, a manufacturing method, and a display device are provided. The display panel includes a substrate and a pixel definition layer. The pixel definition layer includes multiple first barrier walls extending along a first direction and arranged along a second direction and multiple second barrier walls extending along the second direction and arranged along the first direction. The first direction and the second direction intersect. The first barrier walls include two edge barrier walls at two edges along the second direction, multiple intermediate barrier walls between the two edge barrier walls, and two separation barrier walls between the two edge barrier walls and respectively on two sides of the intermediate barrier walls along the second direction. The heights of the second barrier walls, the edge barrier walls and the separation barrier walls each is greater than the height of the intermediate barrier wall.
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公开(公告)号：US20240389402A1
公开(公告)日：2024-11-21
申请号：US18783461
申请日：2024-07-25
Inventor： Wenbin JIA
IPC: H10K59/122 , H10K71/13 , H10K71/15
Abstract: A display substrate includes a peripheral display region and a central display region. Multiple first pixel units are regularly arranged within the peripheral display region, and multiple second pixel units are regularly arranged within the central display region. Pixels Per Inch of the first pixel units within the peripheral display region is greater than Pixels Per Inch of the second pixel units within the central display region; or, Pixels Per Inch of the first pixel units within the peripheral display region is equal to Pixels Per Inch of the second pixel units within the central display region, and an area of the first pixel unit is larger than an area of the second pixel unit.
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Patent Agency Ranking
公开(公告)号：US20240373664A1
公开(公告)日：2024-11-07
申请号：US18265962
申请日：2022-06-06
Inventor： Wenbin JIA , Kangjian MIAO , Xiaoning LIU
IPC: H10K50/17 , H10K59/12 , H10K59/122
Abstract: The present application relates to a display substrate, a method of manufacturing thereof and a display device. The display substrate includes a base and sub-pixels on the base. Each of the sub-pixels includes a light-emitting device. The light-emitting device includes an anode layer, a light-emitting material layer, an electron transport layer, an electron injection layer and a cathode layer; the light-emitting device includes at least one electron injection layer, and the light-emitting device further includes at least one high impedance layer. The high impedance layer includes a first high impedance film layer, at least one second high impedance film layer located between the first high impedance film layer and the cathode layer, and at least one third high impedance film layer located between the first high impedance film layer and the electron injection layer; a resistivity of the first high impedance film layer is respectively higher than a resistivity of the second high impedance film layer and a resistivity of the third high impedance film layer; the resistivity of the first high impedance film layer, the resistivity of the second high impedance film layer, and the resistivity of the third high impedance film layer are respectively higher than a resistivity of the cathode layer and a resistivity of the electron injection layer.
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公开(公告)号：US20210091153A1
公开(公告)日：2021-03-25
申请号：US16924194
申请日：2020-07-09
Inventor： Wenbin JIA
IPC: H01L27/32
Abstract: A display substrate includes a peripheral display region and a central display region. Multiple first pixel units are regularly arranged within the peripheral display region, and multiple second pixel units are regularly arranged within the central display region. Pixels Per Inch of the first pixel units within the peripheral display region is greater than Pixels Per Inch of the second pixel units within the central display region; or, Pixels Per Inch of the first pixel units within the peripheral display region is equal to Pixels Per Inch of the second pixel units within the central display region, and an area of the first pixel unit is larger than an area of the second pixel unit.
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公开(公告)号：US20250081741A1
公开(公告)日：2025-03-06
申请号：US18579872
申请日：2022-07-29
Inventor： Wenbin JIA , Yonghao GONG , Feifei ZHU
IPC: H10K59/122 , H10K59/80
Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a pixel definition layer, the pixel definition layer includes multiple first retaining walls and multiple second retaining walls, and a height of the first retaining walls is less than a height of the second retaining walls. A first retaining wall includes multiple sub-retaining walls, a sub-retaining wall is located between two adjacent second retaining walls, multiple first structures are provided on a surface of at least one of the sub-retaining walls, a first structure includes a first sub-structure and a second sub-structure, the first sub-structure and the second sub-structure are alternately provided, and a height of the first sub-structure is less than or equal to the height of the first retaining wall.
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公开(公告)号：US20240373726A1
公开(公告)日：2024-11-07
申请号：US18265963
申请日：2022-07-29
Inventor： Wenbin JIA , Xiang WAN , Feifei ZHU
IPC: H10K59/80
Abstract: Provided are a display panel and a display device. The display panel includes a substrate; sub-pixels on a side of the substrate, where the sub-pixels include light-emitting layers respectively, and each of at least one light-emitting layer includes an internal region and an edge region surrounding the internal region; and a first structure layer, on a light-emitting side of the light-emitting layers, and including lens sets each including microlenses, where the lens sets correspond to the sub-pixels one by one. The lens set includes a first region corresponding to the internal region and a second region corresponding to the edge region, and a density of microlenses in the second region is smaller than a density of mircolenses in the first region. According to the present disclosure, a display effect is improved.
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公开(公告)号：US20240206218A1
公开(公告)日：2024-06-20
申请号：US17802156
申请日：2021-11-08
Inventor： Wenbin JIA
IPC: H10K50/155 , H10K50/15 , H10K50/16 , H10K50/165 , H10K50/17 , H10K50/18 , H10K50/19 , H10K50/828 , H10K59/35 , H10K102/00
CPC classification number: H10K50/155 , H10K50/156 , H10K50/165 , H10K50/166 , H10K50/17 , H10K50/171 , H10K50/181 , H10K50/19 , H10K50/828 , H10K59/351 , H10K2102/3026 , H10K2102/351
Abstract: An organic light emitting device, a display substrate and a display apparatus are provided, wherein the organic light emitting device comprises an anode, an organic light emitting layer, a first transition protective layer and a cathode which are stacked sequentially; the organic light emitting layer comprises a hole injection layer, a light emitting material layer, an electron transport layer and an electron injection layer; and a first transition protective layer is disposed between the electron injection layer and the cathode, and forms a PN junction with the electron injection layer.
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