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1.发明公开公开(公告)号：US20240221608A1
公开(公告)日：2024-07-04
申请号：US17923690
申请日：2021-11-29
发明人： Seungwoo HAN , Haoliang ZHENG , Dongni LIU , Li XIAO , Jiao ZHAO , Xiaorong CUI , Minghua XUAN
CPC分类号： G09G3/32 , G11C19/28 , G09G2300/0842 , G09G2300/0861 , G09G2310/0286 , G09G2310/08
摘要： A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.
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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
发明人： Li XIAO , Haoliang ZHENG , Minghua XUAN , Hao CHEN , Dongni LIU , Jiao ZHAO , Seungwoo HAN , Liang CHEN , Qi QI
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/0275 , G09G2310/0267 , G09G2320/0247 , G09G2320/0233 , G09G2310/0297
摘要： 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：US20230113488A1
公开(公告)日：2023-04-13
申请号：US17052526
申请日：2019-11-27
发明人： Jiao ZHAO , Li XIAO , Minghua XUAN , Haoliang ZHENG , Dongni LIU , Jing LIU , Qi QI
IPC分类号： G09G3/3291
摘要： The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal 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
发明人： Liang CHEN , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Jiao ZHAO , Qi QI , Li XIAO
摘要： 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
发明人： Li XIAO , Haoliang ZHENG , Hao CHEN , Minghua XUAN , Dongni LIU , Seungwoo HAN , Liang CHEN , Jiao ZHAO , Xue DONG
IPC分类号： G09G3/3258 , G09G3/3291
摘要： 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
发明人： Jiao ZHAO , Seungwoo HAN , Haoliang ZHENG , Minghua XUAN , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN
IPC分类号： G09G3/32
摘要： 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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7.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
发明人： Jiao ZHAO , Haoliang ZHENG , Li XIAO , Dongni LIU , Liang CHEN , Hao CHEN , Minghua XUAN
摘要： 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：US20220101779A1
公开(公告)日：2022-03-31
申请号：US17408967
申请日：2021-08-23
发明人： Dongni LIU , Minghua XUAN , Haoliang ZHENG , Li XIAO , Seungwoo HAN , Liang CHEN , Hao CHEN , Jiao ZHAO
IPC分类号： G09G3/32
摘要： 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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公开(公告)号：US20210390904A1
公开(公告)日：2021-12-16
申请号：US16345854
申请日：2018-11-01
发明人： Minghua XUAN , Lei WANG , Li XIAO , Xiaochuan CHEN
IPC分类号： G09G3/3225 , G09G3/3266
摘要： A display panel, a method of driving a display panel, and a display device are provided. The display panel includes a plurality of sub-pixel units arranged in an array, a plurality of compensation driving circuits and a plurality of light emitting control lines; sub-pixel units in each row are divided into a plurality of compensation light emitting groups, the plurality of compensation light emitting groups include a plurality of first compensation light emitting groups, the first compensation light emitting groups each include N sub-pixel units that are adjacent, and light emitting circuits of the N sub-pixel units that are adjacent are connected to one same compensation driving circuit; the light emitting circuits of the N sub-pixel units that are adjacent of each of the first compensation light emitting groups are respectively connected to N light emitting control lines that are different.
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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
发明人： Li XIAO , Dongni LIU , Minghua XUAN , Jiao ZHAO , Haoliang ZHENG , Zhenyu ZHANG , Liang CHEN , Hao CHEN , Jing LIU , Qi QI
摘要： 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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