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公开(公告)号：US20250131878A1
公开(公告)日：2025-04-24
申请号：US18681495
申请日：2021-09-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： SeungWoo HAN , Haoliang ZHENG , Dongni LIU , Li XIAO , Liang CHEN , Jiao ZHAO , Xiaorong CUI , Minghua XUAN
IPC: G09G3/3233 , G09G3/20
Abstract: A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises: a current control circuit (301), a duration control circuit (302), and a light-emitting element (303), wherein the current control circuit (301) is used for receiving a data signal (DI) and a first scan signal (gataA), and controlling the amplitude of a generated drive current according to the data signal (DI) and the first scan signal (gataA), and the duration control circuit (302) is used for receiving a mode control signal (DT), a pulse control signal (hf), a light-emitting control signal (em_b), and the drive current of the current control circuit (301), and controlling, according to the amplitude of the mode control signal (DT), the length of time for providing the light-emitting element (303) with the drive current.
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公开(公告)号：US20230360586A1
公开(公告)日：2023-11-09
申请号：US17634544
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Li XIAO , Haoliang ZHENG , Minghua XUAN , Hao CHEN , Dongni LIU , Jiao ZHAO , Seungwoo HAN , Liang CHEN , Qi QI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0275 , G09G2310/0267 , G09G2320/0247 , G09G2320/0233 , G09G2310/0297
Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.
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公开(公告)号：US20230028984A1
公开(公告)日：2023-01-26
申请号：US17772951
申请日：2021-06-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang CHEN , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Jiao ZHAO , Qi QI , Li XIAO
Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.
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公开(公告)号：US20220351683A1
公开(公告)日：2022-11-03
申请号：US17620398
申请日：2020-11-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li XIAO , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Seungwoo HAN , Liang CHEN , Jiao ZHAO , Xue DONG
IPC: G09G3/3258 , G09G3/3291
Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
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公开(公告)号：US20220293038A1
公开(公告)日：2022-09-15
申请号：US17530101
申请日：2021-11-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiao ZHAO , Seungwoo HAN , Haoliang ZHENG , Minghua XUAN , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN
IPC: G09G3/32
Abstract: The present application provides a pixel circuit, a pixel driving method and a display device. The pixel circuit is to be coupled to a to-be-driven element. The pixel circuit includes a first energy storage circuit, a driving circuit, a light-emitting control circuit, a data writing circuit, and a compensation control circuit. The compensation control circuit is configured to, under control of a third control signal, control conduction between the first node and the first terminal of the driving circuit, and control conduction between the second node and the second terminal of the driving circuit.
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Patent Agency Ranking
46.发明申请公开(公告)号：US20220246812A1
公开(公告)日：2022-08-04
申请号：US17522282
申请日：2021-11-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiao ZHAO , Haoliang ZHENG , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN , Minghua XUAN
Abstract: The present disclosure discloses a light-emitting substrate, a method for forming the light-emitting substrate and a display device. The light-emitting substrate includes: a base substrate; a first signal line located at one side of the base substrate; an insulation layer located at one side of the first signal line away from the base substrate; an electrode layer located at one side of the insulation layer away from the base substrate and including a first electrode terminal, a second electrode terminal and a second signal line, where the first electrode terminal is electrically connected to the first signal line via a first through hole penetrating the insulation layer; and at least one light-emitting element bound and connected to the first electrode terminal and the second electrode terminal.
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公开(公告)号：US20220130869A1
公开(公告)日：2022-04-28
申请号：US17499187
申请日：2021-10-12
Inventor： Zexu LIU , Jincheng GAO , Tao ZHU , Zhiqiang HU , Qi LIU , Lixing ZHAO , Liang CHEN
IPC: H01L27/12 , G02F1/1368 , G02F1/1362 , G02F1/1343 , G02F1/1335
Abstract: A display substrate includes a base substrate; a gate metal pattern including a gate electrode of a thin film transistor and gate lines; a source-drain metal pattern including a source electrode and a drain electrode of the thin film transistor, and data lines, where the gate line cross the data line, to define a plurality of pixel regions arranged in an array form; and a first transparent metal pattern including a common electrode pattern. A minimum distance between each gate line and common electrode patterns in a row of pixel regions located in a same row as the gate line in a first direction is a first spacing, a minimum distance between the gate line and common electrode patterns in the other row of pixel regions adjacent to the gate line in the first direction is a second spacing, and the first spacing is greater than the second spacing.
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公开(公告)号：US20220101779A1
公开(公告)日：2022-03-31
申请号：US17408967
申请日：2021-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongni LIU , Minghua XUAN , Haoliang ZHENG , Li XIAO , Seungwoo HAN , Liang CHEN , Hao CHEN , Jiao ZHAO
IPC: G09G3/32
Abstract: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.
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49.发明申请公开(公告)号：US20220059728A1
公开(公告)日：2022-02-24
申请号：US17340672
申请日：2021-06-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lubin SHI , Bin QIN , Liang CHEN , Dongni LIU , Fangzhen ZHANG , Ke WANG
IPC: H01L33/48 , H01L25/075
Abstract: A displaying base plate and a fabricating method thereof. The displaying base plate includes a substrate, and a first flat layer on one side of the substrate; a first metal layer on one side of the first flat layer that is further away from the substrate; a second flat layer on sides of the first metal layer and the first flat layer that are further away from the substrate; and a second metal layer on one side of the second flat layer that is further away from the substrate; wherein the first metal layer includes a first metal trace, an orthographic projection of the second metal layer on the substrate and an orthographic projection of the first metal trace on the substrate have an overlapping part, and an orthographic projection of the second flat layer on the substrate covers the orthographic projection of the first metal trace on the substrate.
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公开(公告)号：US20210375702A1
公开(公告)日：2021-12-02
申请号：US17253960
申请日：2019-11-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li XIAO , Dongni LIU , Minghua XUAN , Jiao ZHAO , Haoliang ZHENG , Zhenyu ZHANG , Liang CHEN , Hao CHEN , Jing LIU , Qi QI
Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.
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