DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME

    公开(公告)号:US20220107519A1

    公开(公告)日:2022-04-07

    申请号:US17419140

    申请日:2020-05-08

    Abstract: A method of controlling a display apparatus includes: when the display apparatus is in a privacy display mode, obtaining, by an image processor, a plurality of frames of display images according to a frame of original image, transmitting, by the image processor, the plurality of frames of images to a display controller; controlling, by the display controller, the display panel to display the plurality of frames of display images in sequence within a display time of the frame of original image, and controlling, by the display controller, the grating panel to form light-transmitting regions and non-light-transmitting regions that are alternately arranged when the display panel displays each frame of display image, so as to limit an exit angle of light exiting from the display side of the display apparatus, the exit angle being within a range of a privacy viewing angle.

    BACK LIGHT UNIT, FABRICATING METHOD THEREOF AND DISPLAY DEVICE

    公开(公告)号:US20210149105A1

    公开(公告)日:2021-05-20

    申请号:US16641123

    申请日:2019-08-13

    Abstract: The present disclosure relates to the field of display technology, and provides a back light unit, a fabricating method thereof, and a display device in embodiments. The back light unit includes a composite layer. The composite layer includes a light guide layer and a first substrate opposite to each other, and a plurality of first microprisms and a plurality of second microprisms between the light guide layer and the first substrate. Specifically, the light guide layer includes a light exit surface facing the first substrate, and the plurality of first microprisms are on the light exit surface of the light guide layer. The plurality of second microprisms are on a surface of the first substrate facing the light guide layer. Moreover, the first microprisms are fixedly connected to the second microprisms.

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