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    BOTTOM ELECTRODE AND MANUFACTURING METHOD THEREOF
    11.
    发明申请
    BOTTOM ELECTRODE AND MANUFACTURING METHOD THEREOF 审中-公开
    底电极及其制造方法

    公开(公告)号：US20150044424A1

    公开(公告)日：2015-02-12

    申请号：US14386979

    申请日：2013-04-24

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

    Inventor： Xiaowei Jiang ,  Hongxi Xiao ,  Huafeng Liu ,  Hao Chen ,  Xiaohui Zhu

    IPC: H01J37/32

    CPC classification number: H01J37/32541 ,  G02F1/13439 ,  H01J37/32532 ,  H01J37/3255 ,  Y10T29/49117 ,  Y10T428/24612

    Abstract: A bottom electrode and a method of manufacturing the same are disclosed. The present invention relates to the field of dry etching, and has solved problems of separately fabrication of the ceramic points and ceramic layer of the conventional bottom electrode, low adhesion strength between the ceramic points and ceramic layer, incidental dropping off the ceramic layer. The bottom electrode includes: a metal substrate and an insulating layer disposed on the metal substrate, wherein the metal substrate comprises: a base substrate and a plurality of protrusion parts disposed on the base substrate, the insulating layer is disposed on surface of the base substrate and the protrusion parts on surface of the base substrate. Insulating protrusion points are formed at the protrusion parts.

    Abstract translation: 公开了底电极及其制造方法。 本发明涉及干蚀刻领域，并且解决了常规底部电极的陶瓷点和陶瓷层的分别制造的问题，陶瓷点和陶瓷层之间的低粘附强度，偶然脱落的陶瓷层。 底部电极包括：金属基板和设置在金属基板上的绝缘层，其中金属基板包括：基底基板和设置在基底基板上的多个突出部分，绝缘层设置在基底基板的表面上 以及基底基板的表面上的突出部。 在突起部形成绝缘突起点。

    Display apparatuses, pixel circuits and methods of driving pixel circuit
    19.
    发明授权
    Display apparatuses, pixel circuits and methods of driving pixel circuit 有权

    公开(公告)号：US11587501B2

    公开(公告)日：2023-02-21

    申请号：US17509899

    申请日：2021-10-25

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Seungwoo Han ,  Haoliang Zheng ,  Dongni Liu ,  Li Xiao ,  Liang Chen ,  Hao Chen ,  Jiao Zhao ,  Jin Yang ,  Minghua Xuan

    IPC: G09G3/32

    Abstract: The present disclosure provides a display apparatus, a pixel circuit and a method of driving a pixel circuit. In one or more embodiments, the pixel circuit includes a driving transistor, a data signal module and a bias signal module. A first electrode of the driving transistor is connected with a first power signal terminal, a second electrode of the driving transistor is connected with a first terminal of a light emitting element, and the driving transistor includes a first control electrode and a second control electrode. The data signal module is connected with the driving transistor, a data writing signal terminal and a data signal terminal. The bias signal module is connected with the driving transistor, a bias writing signal terminal and a bias signal terminal, and is configured to adjust a threshold voltage of the driving transistor under control of the bias writing signal terminal and the bias signal terminal.

    Pixel circuit, driving method thereof and electronic device
    20.
    发明授权
    Pixel circuit, driving method thereof and electronic device 有权

    公开(公告)号：US11538410B2

    公开(公告)日：2022-12-27

    申请号：US17407147

    申请日：2021-08-19

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Dongni Liu ,  Minghua Xuan ,  Li Xiao ,  Haoliang Zheng ,  Liang Chen ,  Jiao Zhao ,  Seungwoo Han ,  Hao Chen

    IPC: G09G3/3233 ,  G09G3/3291

    Abstract: A pixel circuit, a driving method thereof and a light emitting device, and relates to the technical field of display. The pixel circuit comprises driving sub-circuit comprising a control terminal, first terminal and a second terminal, driving sub-circuit being configured to control driving signal flowing through the first terminal and second terminal according to signal of control terminal; first capacitor comprising first pole and second pole coupled to control terminal of driving sub-circuit; first data writing sub-circuit configured to write first initialization signal to first pole of first capacitor in response to first scanning signal, write first data signal into driving sub-circuit in response to first scanning signal, so that signal of control signal of driving sub-circuit changes with first data signal; second data writing sub-circuit configured to write second data signal to first pole of first capacitor in response to second scanning signal.

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