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公开(公告)号：US20220398965A1
公开(公告)日：2022-12-15
申请号：US17613985
申请日：2020-12-18
发明人： Lijun Yuan , Can ZHANG , Ning CONG , Can WANG , Jinfei NIU , Minghua XUAN
IPC分类号： G09G3/20 , G09G3/3233
摘要： A display panel includes: a plurality of light emitting signal lines. Under a control of switching signals provided from a plurality of switching signal lines and control signals provided from a plurality of control signal lines, working gray scale level signals corresponding to respective display gray scales are written to corresponding sub-pixels in an order from small to large in working gray scale sequentially by a plurality of times in one frame display time through the plurality of light emitting signal lines. Different working gray scale level signals indicate have different durations, and each of the working gray scale level signals is provided to the organic light emitting diode via the second transistor through a light emitting signal line, and a final display gray scale is a gray scale caused by superimposing different working gray scale level signals.
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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：US20220301492A1
公开(公告)日：2022-09-22
申请号：US17531274
申请日：2021-11-19
发明人： Lijun YUAN , Can ZHANG , Ning CONG , Wei LI , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN
IPC分类号： G09G3/32
摘要： The pixel driving circuit includes a current control circuit and a gating circuit. The current control circuit is configured to transmit a driving current signal to an element to be driven. The gating circuit is configured to transmit a second voltage signal from a second voltage signal terminal to the element to be driven such that the element to be driven continuously emits light or transmit a third voltage signal from a third voltage signal terminal to the element to be driven such that the element to be driven intermittently emits light, under the control of a scan signal from a scan signal terminal, a reset signal from a reset signal terminal and a second data signal from a second data signal terminal.
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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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85.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：US20220215795A1
公开(公告)日：2022-07-07
申请号：US17609238
申请日：2020-10-27
发明人： Han YUE , Can ZHANG , Minghua XUAN
摘要： A pixel driving circuit includes: a driving control sub-circuit configured to write at least a first data signal into a first driving sub-circuit in response to a first scanning signal and cause a driving transistor to output a driving signal to an element to be driven according to the first data signal and a first power supply voltage signal in response to an enable signal, and a time control sub-circuit configured to write at least a second data signal into a second driving sub-circuit in response to a second scanning signal and cause the second driving sub-circuit to be connected to a second power supply voltage signal terminal and the element in response to the enable signal. The second driving sub-circuit is configured to output a second power supply voltage signal to the element in response to the second data signal and a common voltage signal.
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公开(公告)号：US20220114949A1
公开(公告)日：2022-04-14
申请号：US17265325
申请日：2020-03-17
发明人： Minghua XUAN , Qi QI , Jing LIU , Han YUE , Dongni LIU
IPC分类号： G09G3/32
摘要： The present disclosure provides a pixel circuit including: a current control circuit and a time control circuit, the time control circuit includes: a first resetting sub-circuit configured to write a reference voltage and a first initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit configured to write a first data voltage to the first node; a first threshold compensation sub-circuit configured to perform threshold compensation on a transistor within a switch sub-circuit; a ramp writing sub-circuit configured to write a preset ramp signal to the first node; and the switch sub-circuit configured to control electrical coupling and decoupling between a third node and a fourth node. The present disclosure further provides a driving method of the pixel circuit and a display device.
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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：US20220093024A1
公开(公告)日：2022-03-24
申请号：US17327056
申请日：2021-05-21
发明人： Haoliang ZHENG , Seungwoo HAN , Yi OUYANG , Minghua XUAN
摘要： The present disclosure provides a shift register unit and a driving method thereof, a gate driving circuit and a driving method thereof, and a display device. The shift register unit includes: a first shift register, a second shift register and a switch control circuit, signal input terminals of the first and second shift registers are coupled to a cascade signal input terminal through the switch control circuit, the switch control circuit is configured to allow a current between the signal input terminal of the first shift register and the cascade signal input terminal or not, and allow a current between the signal input terminal of the second shift register and the cascade signal input terminal or not; the first shift register and the second shift register are configured such that at least one of them operates upon receiving a cascade signal provided by the cascade signal input terminal.
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公开(公告)号：US20220059021A1
公开(公告)日：2022-02-24
申请号：US17426594
申请日：2020-12-17
发明人： Minghua XUAN , Dongni LIU , Qi QI , Jing LIU , Han YUE
IPC分类号： G09G3/32
摘要： A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.
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