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    Pixel structure, driving method thereof and display device
    1.
    发明授权
    Pixel structure, driving method thereof and display device 有权

    公开(公告)号：US11587506B2

    公开(公告)日：2023-02-21

    申请号：US17259594

    申请日：2020-03-30

    Applicant: BOE MLED TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Hong Liu ,  Qibing Gu ,  Lingyun Shi ,  Ming Chen ,  Xiurong Wang ,  Guofeng Hu ,  Mingjian Yu ,  Donghui Wang

    IPC: G09G3/3233

    Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.

    Over-temperature protection circuitry and driving method
    4.
    发明授权
    Over-temperature protection circuitry and driving method 有权

    公开(公告)号：US10804694B2

    公开(公告)日：2020-10-13

    申请号：US15845359

    申请日：2017-12-18

    Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

    Inventor： Ran Jiang ,  Hai Kang ,  Donghui Wang ,  Lei Hua ,  Zhen Tang ,  Weiwei Pan ,  Hongxun Zhang

    IPC: H02H5/04 ,  H02H1/00

    Abstract: An embodiment of the present disclosure discloses an over-temperature protection circuitry and a driving method. The circuit includes a source circuit, a comparator circuit and an output circuit, wherein the comparator circuit includes a thermistor, a first resistor and a comparator, the source circuit is connected to a first input terminal of the comparator via the thermistor and is connected to a second input terminal of the comparator via the first resistor; and the comparator circuit is configured to compare a first signal from the first input terminal with a second signal from the second input terminal, and output a control signal according to a comparison result, the control signal is an over-temperature control signal in the case that the comparison result indicates that the temperature is greater than or equal to a protection threshold, and the output circuit is configured to output an disenabling signal.

    Pixel driving circuit and driving method thereof, and display device
    5.
    发明授权
    Pixel driving circuit and driving method thereof, and display device 有权

    公开(公告)号：US10706789B2

    公开(公告)日：2020-07-07

    申请号：US16203875

    申请日：2018-11-29

    Applicant: BOE Technology Group Co., Ltd. ,  Hefei BOE Optoelectronics Technology Co., Ltd.

    Inventor： Lei Hua ,  Jie Ling ,  Donghui Wang

    IPC: G09G3/3291 ,  G09G3/3258

    Abstract: A pixel driving circuit, a driving method thereof, and a display device are provided. According to the pixel driving circuit, a data voltage is provided to a first electrode of a driving transistor; a storage sub-circuit is charged or discharged; a first voltage signal from a first voltage terminal is provided to a control electrode of the driving transistor, and a second voltage signal from a second voltage terminal or a third voltage signal from a third voltage terminal is provided to a first node; the data voltage and a threshold voltage of the driving transistor are written to the control electrode of the driving transistor, to turn on a second electrode of the driving transistor and the third voltage terminal, to control a light-emitting element to emit light.

    Multi-primary color conversion method, driving method and driving device of display panel, and display device
    8.
    发明授权
    Multi-primary color conversion method, driving method and driving device of display panel, and display device 有权

    公开(公告)号：US11308844B2

    公开(公告)日：2022-04-19

    申请号：US16337741

    申请日：2018-11-13

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Yanhui Xi ,  Bin Dai ,  Xiaomang Zhang ,  Haijun Niu ,  Kuanjun Peng ,  Xiaolong Li ,  Donghui Wang ,  Yan Sun

    IPC: G09G3/20 ,  G09G5/02

    Abstract: A multi-primary color conversion method is provided to include: establishing a spatial gamut model of a display panel; determining a target peripheral surface corresponding to the target color according to the color coordinates of the target color and color coordinates of a color corresponding to each vertex of each peripheral surface; obtaining reference gray scales of a part of primary colors of the target color according to gray scales of the primary colors of a color corresponding to each vertex of the target peripheral surface; obtaining reference gray scales of the rest primary colors of the target color and a reference luminance of the target color; and respectively converting the reference gray scales of the plurality of primary colors of the target color into target gray scales according to a proportional relationship between the reference luminance and the target luminance of the target color.

    Source driving circuit and display panel
    10.
    发明授权
    Source driving circuit and display panel 有权

    公开(公告)号：US11282425B2

    公开(公告)日：2022-03-22

    申请号：US16399510

    申请日：2019-04-30

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Donghui Wang ,  Hong Wang ,  Lijun Yuan ,  Yanhui Xi ,  Haoliang Zheng ,  Yuxin Bi

    IPC: G09G3/20

    Abstract: The present disclosure discloses a source driving circuit and a display panel. The source driving circuit includes a plurality of driving sub-circuits, and each of the plurality of driving sub-circuits includes: a driver, including a plurality of source channels; a plurality of switches, first terminals of the plurality of switches are electrically connected to a plurality of data lines of a display panel in one-to-one correspondence, wherein each of the plurality of source channels is electrically connected to second terminals of at least two of the plurality of switches; and a control line, electrically connected to control terminals of the plurality of switches. Sub-pixels corresponding to data lines that are electrically connected to a same source channel through the switches have the same polarity and the same color.

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