Switch control device and method for electronic device, and electronic device

    公开(公告)号:US10230371B2

    公开(公告)日:2019-03-12

    申请号:US15525925

    申请日:2016-09-09

    Abstract: The present disclosure provides a switch control device and method for electronic device, and an electronic device. The switch control device of the electronic device comprises: a high level output unit, connected with the high level input terminal and configured to output a high level with a predetermined amplitude to the high level input terminal, the predetermined amplitude higher than a predetermined voltage; a logic level output unit configured to output a logic level; and a switch unit, with a control terminal inputted with the logic level, a first terminal inputted with the ground terminal, and a second terminal inputted with a low level, and configured to connect the first terminal and the second terminal when the logic level is in a first state, in order to turn on the electronic device, and disconnect the first terminal from the second terminal when the logic level is in a second state, in order to turn off the electronic is device.

    Method and apparatus for driving display panel and display device

    公开(公告)号:US12211417B2

    公开(公告)日:2025-01-28

    申请号:US17913289

    申请日:2021-10-22

    Abstract: The present disclosure provides a A driving method of a display panel, including: determining a target region and a non-target region in the display panel; dividing the target region into a plurality of target sub-regions, and dividing the non-target region into a plurality of non-target sub-regions, wherein an area of the target sub-region is less than that of the non-target sub-region; determining brightness compensation values of each target sub-region and each non-target sub-region according to a gray scale value of each pixel in an input image; determining a compensated brightness of each pixel unit in the display panel according to the gray scale value of each pixel in the input image, the brightness compensation values of each target sub-region and each non-target sub-region; and driving each pixel unit in the display panel to emit light according to the compensated brightness of each pixel unit in the display panel.

    Display panel and display device
    99.
    发明授权

    公开(公告)号:US12205551B2

    公开(公告)日:2025-01-21

    申请号:US18016918

    申请日:2022-01-04

    Abstract: A dimming method for a display panel is provided, including: acquiring image data of an image to be displayed; determining initial dimming pixel data of each of dimming pixels according to the image data; determining a dimming pixel to be filtered in the dimming screen according to the initial dimming pixel data of each of dimming pixels; determining a first filtering region according to the determined dimming pixel to be filtered; determining a filtering parameter of each of dimming pixels in the first filtering region according to a relationship between each of dimming pixels in the first filtering region and initial dimming pixel data of each of dimming pixels in the first filtering region; and updating dimming pixel data of the dimming pixel to be filtered according to the filtering parameter of each of dimming pixels in the first filtering region, so as to obtain updated dimming pixel data.

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