PIXEL CIRCUIT AND DRIVING METHOD THEREOF, AND DISPLAY DEVICE

    公开(公告)号:US20220157223A1

    公开(公告)日:2022-05-19

    申请号:US17355637

    申请日:2021-06-23

    IPC分类号: G09G3/32

    摘要: The present application discloses a pixel circuit and a driving method thereof, and a display device. The circuit includes: a first initialization sub-circuit, a data writing circuit, a light emitting control circuit, a capacitor circuit, a drive transistor, a compensation circuit, a light emitting element, and a holding circuit; the first initialization sub-circuit is connected to a second terminal of the capacitor circuit and a gate of the drive transistor; the data writing circuit and the holding circuit are connected to a first terminal of the capacitor circuit; the light emitting control circuit is connected to a first electrode of the light emitting element and a second electrode of the drive transistor; a first electrode of the drive transistor is connected to the first power supply; a second electrode of the light emitting element is connected to a second power supply.

    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, AND DISPLAY APPARATUS

    公开(公告)号:US20210343242A1

    公开(公告)日:2021-11-04

    申请号:US17243915

    申请日:2021-04-29

    摘要: A pixel circuit includes a data writing sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The data writing sub-circuit is connected to the driving sub-circuit, and is configured to write a data voltage signal into the driving sub-circuit and compensate it, in response to a first gate signal and a second gate signal. The light-emitting control sub-circuit is connected to the driving sub-circuit, and is configured to close a line between a first power supply voltage terminal and a second power supply voltage terminal, in response to a first enable signal and a second enable signal. The driving sub-circuit is configured to provide a driving current to a light-emitting device through the closed line according to the written data voltage signal. Phases of the first enable signal and the first gate signal are opposite, and phases of the second enable signal and the second gate signal are opposite.

    PIXEL CIRCUITRY, METHOD FOR DRIVING THE SAME AND DISPLAY DEVICE

    公开(公告)号:US20200243013A1

    公开(公告)日:2020-07-30

    申请号:US16600908

    申请日:2019-10-14

    IPC分类号: G09G3/3258

    摘要: Disclosed are a pixel circuitry, a method for driving the same and a display device. The pixel circuitry includes a light-emitting element, a driving circuit, a compensation control circuit, an initialization circuit, an energy storage circuit, a writing control circuit and a light-emitting control circuit. The driving circuit is configured to drive the light-emitting element to emit light. The initialization circuit is configured to write an initialization voltage to a control end of the driving circuit to control the driving circuit to be turned on or off. The compensation control circuit is configured to turn on the driving circuit and perform threshold voltage compensation on the driving circuit. The writing control circuit is configured to write a data voltage inputted by a data line to a second end of the energy storage circuit and write a reference voltage to the second end of the energy storage circuit.

    DISPLAY DEVICE, PIXEL COMPENSATION CIRCUIT AND DRIVING METHOD THEREOF

    公开(公告)号:US20210210018A1

    公开(公告)日:2021-07-08

    申请号:US16768395

    申请日:2019-12-16

    IPC分类号: G09G3/3258

    摘要: A display device, a pixel compensation circuit and a driving method thereof are disclosed. The pixel compensation circuit includes: a driving transistor, an initialization circuit, a storage circuit, a first data writing circuit, a second data writing circuit, a compensation circuit and a light emitting control circuit. A first terminal of the storage circuit is coupled to the gate electrode of the drive transistor, and the first data writing circuit is configured to write a data signal to a second terminal of the storage circuit. The second data writing circuit is configured to change a potential of the second terminal of the storage circuit so that a potential of the first terminal of the storage circuit is associated with the data signal. The compensation circuit is configured to charge the first terminal of the storage circuit so that it is associated with a threshold voltage of the drive transistor.

    PIXEL DRIVING CIRCUIT, DISPLAY PANEL, DRIVING METHODS, AND DISPLAY APPARATUS

    公开(公告)号:US20230120765A1

    公开(公告)日:2023-04-20

    申请号:US17796118

    申请日:2021-05-07

    IPC分类号: G09G3/3233 G09G3/3275

    摘要: A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.

    TRANSFER PRINTING METHOD AND TRANSFER PRINTING APPARATUS

    公开(公告)号:US20210225679A1

    公开(公告)日:2021-07-22

    申请号:US16649801

    申请日:2019-03-19

    IPC分类号: H01L21/68 H01L21/67 H01L33/00

    摘要: A transfer printing method and a transfer printing apparatus. The transfer method includes: transferring a plurality of devices formed on an original substrate to a transfer substrate obtaining first position information of positions of the plurality of devices on the transfer substrate; obtaining second position information of corresponding positions, on a target substrate, of devices to be transferred; comparing the first position information with the second position information to obtain first target position information recording a first transfer position; and aligning the transfer substrate with the target substrate and performing a site-designated laser irradiation on at least part of devices on the transfer substrate corresponding to the first transfer position, simultaneously, according to the first target position information, so as to transfer the at least part of the devices from the transfer substrate to the target substrate.

    DIGITAL EXPOSURE APPARATUS AND EXPOSURE METHOD

    公开(公告)号:US20220137515A1

    公开(公告)日:2022-05-05

    申请号:US17214678

    申请日:2021-03-26

    摘要: A digital exposure apparatus includes a lens array, the lens array at least including a first lens unit and a second lens unit, a light transposition assembly arranged on an exit light path of the second lens unit, and the light transposition assembly being used for controlling a light exiting from the second lens unit to be transposed with respect to an exposure direction of the digital exposure apparatus. When the digital exposure apparatus is used for exposure, a light passing through the first lens unit and a light penetrating through the second lens unit are needed to expose the same position for multiple times.

    PIXEL CIRCUIT AND DRIVING METHOD THEREOF, ARRAY SUBSTRATE, AND DISPLAY DEVICE

    公开(公告)号:US20210312861A1

    公开(公告)日:2021-10-07

    申请号:US17265828

    申请日:2020-05-14

    IPC分类号: G09G3/3233

    摘要: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display device. The pixel circuit includes: a driving circuit, including a control terminal, a first terminal and a second terminal, and configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; an input circuit, configured to transmit a reset voltage and a data signal in response to a first scan signal; a reset circuit, configured to apply the reset voltage to the control terminal in response to a second scan signal; a compensation circuit, configured to store the data signal and to electrically connect the control terminal with the second terminal in response to a third scan signal; and a data writing circuit, configured to apply the data signal to the compensation circuit in response to the third scan signal.