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公开(公告)号：US11335870B2
公开(公告)日：2022-05-17
申请号：US16920769
申请日：2020-07-06
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hongwei Tian , Yanan Niu , Meng Zhao , Pinfan Wang , Zheng Liu
Abstract: Provided is a method for preparing a display substrate. The display substrate includes multiple pixel island regions, empty regions and connection bridge regions. The preparation method includes: forming first grooves corresponding to the pixel island regions and second grooves corresponding to the connection bridge regions on a side of a hard underlay substrate; preparing the display substrate on a side of the underlay substrate where the first grooves and the second grooves are formed, wherein the pixel island regions are located in regions where the first grooves are located, the connection bridge regions are located in regions where the second grooves are located, and the empty regions are located in regions other than the first grooves and the second grooves; and separating the underlay substrate from the display substrate to obtain the display substrate.
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公开(公告)号：US11250781B2
公开(公告)日：2022-02-15
申请号：US16829407
申请日：2020-03-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wei Qin , Zhiqiang Xu , Xiaolong Li , Tieshi Wang , Weixing Liu , Kai Guo , Jintao Peng , Yanan Niu , Kuanjun Peng
IPC: G09G3/3258 , G06F3/044 , G06F3/041 , G06K9/00 , G09G3/3291
Abstract: A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.
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公开(公告)号：US11122684B2
公开(公告)日：2021-09-14
申请号：US16810016
申请日：2020-03-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bin Qin , Jintao Peng , Yanan Niu , Jinyu Ren , Fangzhen Zhang , Kuanjun Peng
Abstract: Embodiments of the present disclosure provide a display substrate, a display device, and a method for manufacturing a display substrate. The display substrate includes: a plurality of bearing parts for supporting display assemblies; and a connecting beam located between two bearing parts and connected to the two bearing parts. The connecting beam includes at least one stretchable portion with a hollow portion provided inside the stretchable portion, so that the stretchable portion is deformable in a first direction and a second direction, and the second direction is perpendicular to the first direction.
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公开(公告)号：US20210225975A1
公开(公告)日：2021-07-22
申请号：US16765232
申请日：2019-11-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan Niu , Jiushi Wang , Zhanfeng Cao , Qi Yao , Feng Zhang , Wusheng Li , Feng Guan , Lei Chen , Hongwei Tian
IPC: H01L27/32
Abstract: A display substrate is provided. The display substrate includes a substrate (1), a first transistor (2) and a second transistor (3) on the substrate (1), directions of intrinsic threshold voltage shifts of the first transistor (2) and the second transistor (3) being opposite; and a shift adjustment structure (4) on the substrate (1). The shift adjustment structure (4) may be configured to input adjustment signals to the first transistor (2) and the second transistor (3) respectively to make threshold voltages of the first transistor (2) and the second transistor (3) shift in directions opposite to the directions of their intrinsic threshold voltage shifts respectively.
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公开(公告)号：US11069268B2
公开(公告)日：2021-07-20
申请号：US16639108
申请日：2019-03-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yanan Niu , Lei Chen , Zhongyuan Sun , Hongwei Tian , Wei Huang , Zhiqiang Jiao , Kuanjun Peng , Yichi Zhang
Abstract: A flexible display panel includes a plurality of light-emitting regions separated from each other, a respective one of the plurality of light-emitting regions including a light emitting element and an encapsulating structure encapsulating the light emitting element; and a plurality of dummy regions connecting the plurality of light-emitting regions, a respective one of the plurality of light-emitting regions having a larger thickness than a respective dummy region and including a plurality of driving wires. The flexible display panel further includes a detecting wire in the plurality of dummy regions and the plurality of light emitting regions.
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Patent Agency Ranking
公开(公告)号：US20210142719A1
公开(公告)日：2021-05-13
申请号：US16835479
申请日：2020-03-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wei Qin , Xiaolong Li , Kuanjun Peng , Chunfang Zhang , Zhiqiang Xu , Yanan Niu
IPC: G09G3/325 , G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel and a display device. The pixel driving circuit includes: a driving sub-circuit, coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal, and a first terminal of a light-emitting element, and configured to be able to output a first voltage signal from the first voltage signal terminal to the light-emitting element under the control of a scanning signal from the scanning signal terminal, a data signal from the data signal terminal, and a light-emitting control signal from the light-emitting control signal terminal; and an electrostatic discharge sub-circuit, coupled to a second voltage signal terminal and the first terminal of the light-emitting element, and configured to be able to conduct static electricity to the second voltage signal terminal in response to the static electricity generated at the first terminal of the light-emitting element.
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公开(公告)号：US10903444B2
公开(公告)日：2021-01-26
申请号：US15755034
申请日：2017-07-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongwei Tian , Yanan Niu
IPC: H01L29/08 , H01L33/00 , H01L31/0232 , H01L23/544 , H01L21/00 , H01L51/40 , H01L51/52 , H01L27/32 , H01L51/56 , H01L21/68
Abstract: Embodiments of the present disclosure provide an OLED package substrate, a manufacturing method thereof, and an OLED display panel. The OLED package substrate comprises a display area and a non-display area, the display area comprising a pixel definition area. The OLED package substrate comprises a base substrate, and a conductor on the base substrate and within the pixel definition area. The conductor is configured to be in contact with a cathode or an anode at a surface of an array substrate for assembly with the OLED package substrate.
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公开(公告)号：US10673001B2
公开(公告)日：2020-06-02
申请号：US16344272
申请日：2018-05-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan Niu , Chunyan Li , Hongwei Tian
Abstract: A flexible display substrate is disclosed. The flexible display substrate includes a flexible substrate, a gate, a source and drain and a plurality of conductive wirings on the flexible substrate. Each conductive wiring is provided with a plurality of grooves in a bending area of the flexible display substrate, so that the damage resistance of the conductive wirings during bending is improved. A display device including the flexible display substrate and a method for fabricating the flexible display substrate are also disclosed.
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公开(公告)号：US10439162B2
公开(公告)日：2019-10-08
申请号：US15533443
申请日：2016-11-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan Niu , Hongwei Tian , Lei Chen , Zengsheng He
IPC: G09G3/3225 , H01L51/52 , H01L27/32
Abstract: The present application discloses a display panel having a display unit and an encapsulating structure for encapsulating the display unit. The encapsulating structure includes a growth layer on the display unit; and a graphene layer on a side of the growth layer distal to the display unit.
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公开(公告)号：US20180198086A1
公开(公告)日：2018-07-12
申请号：US15533443
申请日：2016-11-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanan Niu , Hongwei Tian , Lei Chen , Zengsheng He
IPC: H01L51/52 , H01L27/32 , G09G3/3225
CPC classification number: H01L51/5237 , G09G3/3225 , G09G2310/0264 , H01L27/3244 , H01L51/5253
Abstract: The present application discloses a display panel having a display unit and an encapsulating structure for encapsulating the display unit. The encapsulating structure includes a growth layer on the display unit; and a graphene layer on a side of the growth layer distal to the display unit.
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