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公开(公告)号：US12193274B2
公开(公告)日：2025-01-07
申请号：US17512380
申请日：2021-10-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Pan Xu , Xing Zhang , Ying Han , Zhan Gao , Zhen Song
IPC: H10K59/122 , H01L27/12 , H10K50/824 , H10K59/12 , H10K59/121 , H10K59/124 , H10K59/38 , H10K71/00
Abstract: The present disclosure provides a display substrate, a display device and a manufacturing method thereof. The display substrate includes a first substrate, a pixel defining layer on the first substrate and including a plurality of sub-pixel openings, and at least one recess on a side of the display substrate away from the first substrate. An orthographic projection of the at least one recess on the first substrate and orthographic projections of the plurality of sub-pixel openings on the first substrate do not overlap.
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2.发明授权公开(公告)号：US12156437B2
公开(公告)日：2024-11-26
申请号：US18538138
申请日：2023-12-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song , Yicheng Lin , Xing Zhang , Pan Xu , Ling Wang , Ying Han
IPC: H10K71/00 , H10K59/121 , H10K59/122 , H10K59/124 , H10K59/12
Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.
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公开(公告)号：US11974462B2
公开(公告)日：2024-04-30
申请号：US16962679
申请日：2020-02-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ling Wang , Yicheng Lin , Pan Xu , Guoying Wang , Guang Yan
IPC: H10K59/121 , H10K59/131 , H01L27/12 , H10K59/122 , H10K59/124 , H10K59/126
CPC classification number: H10K59/1213 , H10K59/131 , H01L27/1214 , H10K59/122 , H10K59/124 , H10K59/126
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a plurality of data signal lines on the base substrate, and a plurality of pixel units; and each pixel unit has a transparent area and a non-transparent area; the pixel unit includes a plurality of sub-pixels in the non-transparent area. All sub-pixels in the display panel are arranged in an array, each column of sub-pixels corresponds to a respective one of the data signal lines, and at least part of the data signal lines are arranged around the transparent areas.
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4.发明授权公开(公告)号：US11889707B2
公开(公告)日：2024-01-30
申请号：US17276746
申请日：2020-06-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song , Yicheng Lin , Xing Zhang , Pan Xu , Ling Wang , Ying Han
IPC: H10K59/124 , H10K59/122 , H10K59/121 , H10K71/00 , H10K59/12
CPC classification number: H10K59/122 , H10K59/121 , H10K59/124 , H10K71/00 , H10K59/1201
Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.
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公开(公告)号：US11730035B2
公开(公告)日：2023-08-15
申请号：US17253093
申请日：2020-06-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ling Wang , Yicheng Lin , Guoying Wang , Ying Han
CPC classification number: H10K59/353 , H10K50/865 , H10K59/131 , H10K59/60 , H10K71/00 , H10K59/1201
Abstract: Provided are a display substrate, a manufacturing method thereof and a display device. The display substrate includes a base and a plurality of subpixels arranged on the base in an array form. Each subpixel includes a light-emitting element, a subpixel driving circuitry coupled to the light-emitting element, and a light-emission detection circuitry configured to detect luminescence of light emitted by the light-emitting element. The light-emission detection circuitry includes a first control transistor and a PIN-type photodiode laminated in that order in a direction away from the base, a first electrode of the first control transistor is coupled to a cathode of the PIN-type photodiode, and an orthogonal projection of the first control transistor onto the base at least partially overlaps an orthogonal projection of the PIN-type photodiode onto the base. The display substrate provided by the present disclosure is used for display.
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Patent Agency Ranking
公开(公告)号：US20230147375A1
公开(公告)日：2023-05-11
申请号：US16971673
申请日：2019-11-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guoying Wang , Yicheng Lin , Ling Wang , Zhen Song , Pan Xu , Xing Zhang , Ying Han , Zhan Gao
IPC: H10K59/13 , H10K59/126 , H10K59/124 , H10K59/121 , H10K59/131 , H10K59/38
CPC classification number: H01L27/3269 , H01L27/322 , H01L27/3258 , H01L27/3262 , H01L27/3272 , H01L27/3276 , H01L2227/323
Abstract: A display substrate having a plurality of subpixels is provided. A respective one of the plurality of subpixels includes alight emitting element; a first thin film transistor configured to driving light emission of the light emitting element; and a light emitting brightness value detector. The light emitting brightness value detector includes a second thin film transistor; and a photosensor electrically connected to the second thin film transistor and configured to detect a light emitting brightness value. The display substrate further includes a silicon organic glass layer on a side of at least one of the first thin film transistor or the second thin film transistor away from a base substrate; and the photosensor is on a side of the silicon organic glass layer away from the base substrate.
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公开(公告)号：US20230031110A1
公开(公告)日：2023-02-02
申请号：US17788387
申请日：2021-08-04
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying Han , Yicheng Lin , Ling Wang , Guoying Wang , Xing Zhang , Zhan Gao , Pan Xu
Abstract: The display substrate includes: a substrate; a plurality of pixel units on the substrate, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light-emitting element and a pixel drive circuit; a photosensitive circuit on the substrate; a first conductive film layer on the substrate. The pixel drive circuit includes a drive transistor, a gate electrode of the drive transistor is located on a side of a drive active layer away from the substrate, an orthographic projection of the gate electrode of the drive transistor on the substrate at least partially overlaps an orthographic projection of the drive active layer on the substrate. The first conductive film layer includes a first light-shielding portion between the substrate and the drive active layer, and an orthographic projection of the first light-shielding portion on the substrate at least partially overlaps the orthographic projection of the drive active layer on the substrate.
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公开(公告)号：US11570877B2
公开(公告)日：2023-01-31
申请号：US17132510
申请日：2020-12-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Yongqian Li , Guoying Wang , Dacheng Zhang , Lang Liu
Abstract: A display panel and a display apparatus are disclosed. The display panel comprises: a plurality of signal lines extending in a first direction; at least one first reference voltage bus which extends in a second direction intersecting the first direction; and a plurality of electrostatic discharge units divided into a plurality of electrostatic discharge unit groups, wherein the plurality of electrostatic discharge unit groups are arranged in the second direction and each of the plurality of electrostatic discharge unit groups comprises at least two electrostatic discharge units arranged in the first direction, wherein at least one of the plurality of signal lines is electrically connected to the first reference voltage bus through at least one of the plurality of electrostatic discharge units.
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公开(公告)号：US11361712B2
公开(公告)日：2022-06-14
申请号：US16959011
申请日：2019-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu , Yicheng Lin , Guoying Wang , Ling Wang
IPC: G09G3/3233 , G09G3/3275
Abstract: The present disclosure discloses a pixel circuit, a driving method thereof, a display panel, and a display device, which belong to the technical field of display. The pixel circuit includes a data writing sub-circuit, a compensation sub-circuit, a storage sub-circuit, and a driving sub-circuit. Since the compensation sub-circuit may output a first power signal to a first node, the storage sub-circuit may adjust the potential of a second node according to the potential of the first node.
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公开(公告)号：US11335877B2
公开(公告)日：2022-05-17
申请号：US16330518
申请日：2018-03-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guoying Wang , Zhen Song
Abstract: The present application discloses an organic light emitting diode array substrate having a subpixel region and an inter-subpixel region. The organic light emitting diode array substrate in the inter-subpixel region includes a first base substrate; a pixel definition layer on the first base substrate for defining a plurality of subpixels; a spacer layer on a side of the pixel definition layer distal to the first base substrate; an auxiliary electrode layer on a side of the spacer layer distal to the pixel definition layer; and a second electrode layer on a side of the auxiliary electrode layer distal to the spacer layer and is electrically connected to the auxiliary electrode layer.
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