中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

44 records (took 0.02 seconds)

    OLED pixel circuitry, driving method thereof and display device
    31.
    发明授权
    OLED pixel circuitry, driving method thereof and display device 有权

    公开(公告)号：US10380946B2

    公开(公告)日：2019-08-13

    申请号：US15580028

    申请日：2017-06-21

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Dongni Liu ,  Shengji Yang ,  Xiaochuan Chen ,  Zheng Fang ,  Han Yue ,  Jie Fu ,  Li Xiao ,  Lei Wang ,  Pengcheng Lu

    IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

    Abstract: The present disclosure relates to an OLED pixel circuitry, a driving method thereof and a display device. The OLED pixel circuitry includes: a driving circuit, a light emitting circuit and a short-circuit protection circuit, wherein the driving circuit is coupled to a scan signal input terminal, a data signal input terminal, a first voltage terminal and the light emitting circuit respectively, and is configured to drive the light emitting circuit to emit light; the light emitting circuit is further coupled to a second voltage terminal, and is configured to emit light; and the short-circuit protection circuit is coupled to the driving circuit and the light emitting circuit, and is configured to control the driving circuit to be turned off when a short circuit occurs in the light emitting circuit.

    Pixel circuit, pixel driving method and display device
    32.
    发明授权
    Pixel circuit, pixel driving method and display device 有权

    公开(公告)号：US10332448B2

    公开(公告)日：2019-06-25

    申请号：US15736018

    申请日：2017-06-20

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Han Yue ,  Jie Fu ,  Shengji Yang ,  Lei Wang ,  Pengcheng Lu ,  Dongni Liu ,  Li Xiao ,  Xiaochuan Chen

    IPC: G09G3/3233 ,  G09G3/3225

    Abstract: A pixel circuit includes a light emitting device, a driving circuit configured to drive the light emitting device to emit light, a short circuit control circuit and a light emitting control circuit, wherein the short circuit control circuit is coupled between the light emitting control device and the light emitting device for obtaining an input terminal signal of the light emitting device and outputting a short circuit control signal according to the input terminal signal of the light emitting device, the light emitting control device is coupled to the short circuit control circuit and coupled in series between the driving circuit and the light emitting device and configured to control a connecting branch between the driving circuit and the light emitting device to be turned on and off according to a short circuit control signal.

    Pixel circuit, driving method thereof, display panel, and display device
    36.
    发明授权
    Pixel circuit, driving method thereof, display panel, and display device 有权

    公开(公告)号：US11170716B2

    公开(公告)日：2021-11-09

    申请号：US15775431

    申请日：2017-11-08

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Li Xiao ,  Xiaochuan Chen ,  Minghua Xuan ,  Shengji Yang ,  Jie Fu ,  Lei Wang ,  Dongni Liu ,  Pengcheng Lu ,  Han Yue

    IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit includes a light emitting element; a first switch transistor connected in series with the light emitting element between a first supply voltage terminal and a second supply voltage terminal, the first switch transistor including a gate electrode connected to a first node; and a storage circuit coupled to the first node and a reference voltage terminal for receiving a reference voltage, the storage circuit being configured to store the reference voltage in the storage circuit in response to an active signal on a scan line during a write phase, and to supply the stored reference voltage to the first node during a light emission phase in response to an active data signal on a data line to achieve light emission of the light emitting element, the active data signal having a duration indicating a magnitude of image data for the pixel circuit.

    A PIXEL CIRCUIT, A DRIVING METHOD THEREOF AND A DISPLAY APPARATUS
    38.
    发明申请
    A PIXEL CIRCUIT, A DRIVING METHOD THEREOF AND A DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20200234639A1

    公开(公告)日：2020-07-23

    申请号：US15757404

    申请日：2017-08-16

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dingni Liu ,  Lei Wang ,  Li Xiao ,  Pengcheng Lu ,  Jie Fu ,  Han Yue

    IPC: G09G3/3233

    Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel sub-circuit comprises a resetting sub-circuit is configured to control potentials of a first node and a second node according to inputting signals of a first signal terminal and a second signal terminal; a charging sub-circuit is configured to control a potential of the second node according to an inputting signal of a third signal terminal; a compensating sub-circuit configured to control the potentials of the first node and a third node according to inputting signals of a fourth and a fifth signal terminals and a potential of the second node; an outputting sub-circuit configured to control outputting signals of the first terminal of the light emitting device and a reading terminal according to the inputting signal of a sixth and a seventh signal terminals and a potential of the third node.

    Protection circuit and method, pixel circuit, and display device
    40.
    发明授权
    Protection circuit and method, pixel circuit, and display device 有权

    公开(公告)号：US10657887B2

    公开(公告)日：2020-05-19

    申请号：US15778047

    申请日：2017-09-30

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Lei Wang ,  Dongni Liu ,  Jie Fu ,  Li Xiao ,  Han Yue ,  Jian Gao ,  Changfeng Li

    IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/00 ,  G09G3/3291

    Abstract: Embodiments of the present disclosure provide a protection circuit and method, a pixel circuit, and a display device. The protection circuit comprises a determination circuit, a first coupling circuit, a first terminal and a second terminal. The determination circuit is coupled to the first terminal and the first coupling circuit, and is configured to determine whether the voltage at the first terminal of the protection circuit belongs to one of a first predetermined range and a second predetermined range. The first coupling circuit is coupled to the first terminal, the second terminal and the determination circuit, and is configured to: couple the first terminal to the second terminal in response to the voltage at the first terminal belonging to the first predetermined range; and decouple the first terminal from the second terminal in response to the voltage at the first terminal belonging to the second predetermined range.

Patent Agency Ranking