Pixel circuit, driving method thereof and display device

    公开(公告)号:US11468825B2

    公开(公告)日:2022-10-11

    申请号:US17265325

    申请日:2020-03-17

    Abstract: The present disclosure provides a pixel circuit including: a current control circuit and a time control circuit, the time control circuit includes: a first resetting sub-circuit configured to write a reference voltage and a first initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit configured to write a first data voltage to the first node; a first threshold compensation sub-circuit configured to perform threshold compensation on a transistor within a switch sub-circuit; a ramp writing sub-circuit configured to write a preset ramp signal to the first node; and the switch sub-circuit configured to control electrical coupling and decoupling between a third node and a fourth node. The present disclosure further provides a driving method of the pixel circuit and a display device.

    Pixel circuit, driving method thereof, and display device

    公开(公告)号:US11302245B2

    公开(公告)日:2022-04-12

    申请号:US16894902

    申请日:2020-06-08

    Abstract: Provided are a pixel circuit, a driving method thereof and a display device. The pixel circuit includes a first charging sub-circuit, a second charging sub-circuit, a first storage sub-circuit, a first switching sub-circuit, a second switching sub-circuit and a light emitting sub-circuit. The first charging sub-circuit is configured to provide a signal of a first data signal terminal to a first node under control of a scanning signal terminal, and after providing the signal of the first data signal terminal, provide a signal of a second data signal terminal to the first node under control of a light emitting control terminal.

    Display panel, manufacturing method thereof, and display device

    公开(公告)号:US11271064B2

    公开(公告)日:2022-03-08

    申请号:US16438576

    申请日:2019-06-12

    Inventor: Zihua Li Jing Liu

    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes: a first base substrate including a packaging region; a plurality of support portions located in the packaging region, a first interval being provided between adjacent support portions; a plurality of conductive lines located at a side of the plurality of support portions away from the first base substrate; a packaging layer located at a side of the plurality of conductive lines away from the first base substrate; and a second base substrate arranged opposite to the first base substrate and bonded with the first base substrate by the packaging layer.

    Light guide element, manufacturing method thereof and backlight assembly

    公开(公告)号:US10274664B2

    公开(公告)日:2019-04-30

    申请号:US15561174

    申请日:2017-03-02

    Abstract: A light guide element, a manufacturing method thereof and a backlight assembly are provided. The light guide element includes: a scattering structure, including a plurality of aerogel particles, wherein the scattering structure includes a light incident surface and a light-emitting surface and is configured to receive incident light incident into the light incident surface and emit the incident light from the light-emitting surface, and a particle size of the aerogel particle is set according to a color difference of the incident light.

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