Shift register unit, driving method thereof, gate driving circuit and display panel

    公开(公告)号:US11341923B2

    公开(公告)日:2022-05-24

    申请号:US17206121

    申请日:2021-03-19

    Abstract: The present disclosure relates to the field of display technology, and provides a shift register unit and a driving method thereof, a gate driving circuit, and a display panel. The shift register unit includes: an input circuit, a charging circuit, an inverter circuit, an output circuit, and a pull-down circuit. The input circuit is connected to a second clock signal terminal, a signal input terminal and a first node. The inverter circuit is connected to the signal input terminal, the second clock signal terminal, a first power supply terminal, a second power supply terminal and a pull-down node. The output circuit is connected to the pull-up node, the first power supply terminal and an output terminal. The pull-down circuit is connected to the pull-down node, the second power supply terminal, the pull-up node, and the output terminal.

    Shift register, gate driving circuit and gate driving method

    公开(公告)号:US11328785B2

    公开(公告)日:2022-05-10

    申请号:US17104809

    申请日:2020-11-25

    Abstract: Shift register includes signal writing circuit, voltage control circuit and output circuit. The signal writing circuit is configured to write inverted signal of input signal provided by signal input terminal into second node responsive to control of second clock signal provided by second clock signal terminal. The voltage control circuit is configured to write first operating voltage into first node and write second clock signal into third node in voltage control circuit in response to control of voltage at first node, write second operating voltage into third node in response to control of second clock signal and write first clock signal provided by first clock signal terminal into first node in response to control of voltage at third node and first clock signal. The output circuit is configured to write second or first operating voltage into signal output terminal in response to control of voltage at first or second node.

    Electronic panel, display device, and driving method

    公开(公告)号:US11227550B2

    公开(公告)日:2022-01-18

    申请号:US16753443

    申请日:2019-09-26

    Abstract: An electronic panel, a display device, and a driving method are disclosed. In the electronic panel, each sub-pixel unit includes a light emitting unit, a pixel driving circuit for driving the light emitting unit to emit light, and a sensing circuit for sensing the pixel driving circuit; the gate driving circuit includes N+1 output terminals, and is configured to output gate scanning signals that turn on the N rows of the plurality of sub-pixel units row by row; the pixel driving circuits of the sub-pixel units in a j-th row are connected to a j-th output terminal of the gate driving circuit to receive the gate scanning signal as a scanning driving signal, and the sensing circuits of the sub-pixel units in the j-th row are connected to a (j+1)-th output terminal of the gate driving circuit to receive the gate scanning signal as a sensing driving signal.

    Pixel circuit and method of controlling the same, display panel and display device

    公开(公告)号:US11107410B2

    公开(公告)日:2021-08-31

    申请号:US16856803

    申请日:2020-04-23

    Abstract: The present disclosure discloses a pixel circuit and a method of controlling the same. The pixel circuit includes: a light-emitting control sub-circuit, configured to transmit a data voltage at a data signal terminal to a first node under control of a first control terminal; a driving sub-circuit, configured to transmit a first power supply voltage at a first power supply terminal VDD to a second node N2 under control of a voltage at the first node; a first sensing sub-circuit, configured to maintain a voltage at the second node to be at a fixed level under control of the first control terminal; a second sensing sub-circuit, configured to transmit the voltage at the second node to a first sensing signal terminal under control of a second control terminal, so that the first sensing signal terminal senses a voltage associated with a threshold voltage of the driving sub-circuit.

    SHIFT REGISTER UNIT, GATE DRIVING CIRCUIT AND CONTROL METHOD THEREOF AND DISPLAY APPARATUS

    公开(公告)号:US20210125564A1

    公开(公告)日:2021-04-29

    申请号:US16964712

    申请日:2020-01-03

    Abstract: Provided are a shift register unit and a control method thereof, a gate driving circuit and a control method thereof, and a display apparatus. The shift register unit may include: a first shift register coupled to an input signal terminal, a first clock signal terminal and a second clock signal terminal. The first shift register is configured to generate a first output signal based on the signal at the first clock signal terminal and generate a second output signal based on the signal at the second clock signal terminal; and a second shift register coupled to the input signal terminal and a third clock signal terminal, the second shift register is configured to generate a third output signal based on the signal at the third clock signal terminal; and a pull-up node of the first shift register is coupled to a pull-up node of the second shift register.

    DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, DISPLAY PANEL

    公开(公告)号:US20200274092A1

    公开(公告)日:2020-08-27

    申请号:US16577601

    申请日:2019-09-20

    Abstract: A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate having a display region and a peripheral region adjacent to the display region, the peripheral region being provided therein with a gate driver-on-array circuit including a plurality of transistors and capacitors, all of the transistors are provided in a transistor region, at least a part of the plurality of capacitors are provided in a capacitor region, and the capacitor region is located on a side of the transistor region distal to the display region; and an encapsulation structure for encapsulating the display region and the transistor region together; the peripheral region further including a sealing region for arranging a sealing structure therein, the capacitor region is located in the sealing region, and the sealing region is provided on a side of the encapsulation structure distal to the display region.

    Display substrate and driving method thereof with multiplex circuit for start signal, and display device

    公开(公告)号:US12300181B2

    公开(公告)日:2025-05-13

    申请号:US18261113

    申请日:2022-05-24

    Abstract: A display substrate includes N groups of gate driving circuits and a multiplex circuit. Each group of gate driving circuits includes X gate driving circuits, and each gate driving circuit is electrically connected to rows of pixel circuits in a corresponding display zone. The X gate driving circuits are configured to output X scan signals of different functions to the rows of pixel circuits connected thereto. The multiplex circuit is electrically connected to N gate driving circuits of the N groups of gate driving circuits outputting scan signals of the same function, N selection control signal terminals and a start signal terminal. The multiplex circuit is configured to, under at least one selection control signal from at least one selection control signal terminal, select at least one group of gate driving circuits, and transmit a start signal from the start signal terminal to each selected group of gate driving circuits.

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