Display device and method for driving the same

    公开(公告)号:US11574505B2

    公开(公告)日:2023-02-07

    申请号:US17224421

    申请日:2021-04-07

    Abstract: A method for driving a display device is performed by the display device. The method includes: displaying a first image including user convenience information through a display panel; generating sensing data corresponding to a fingerprint sensing area by using a photoelectric sensor; and determining whether a sensed fingerprint corresponding to the sensing data is a fake fingerprint by comparing expected sensing light illuminance information based on the first image with sensed light illuminance information of the sensing data. The first image includes a first color pattern in the fingerprint sensing area of the display panel. A fake-determination image pattern includes the first color pattern and a second color pattern different from the first color pattern.

    SYSTEM FOR INSPECTING THIN GLASS
    5.
    发明申请

    公开(公告)号:US20230042179A1

    公开(公告)日:2023-02-09

    申请号:US17729344

    申请日:2022-04-26

    Abstract: A system for inspecting thin glass includes: a housing including a body and a cover; a first shuttle which fixes an edge portion of the thin glass and reciprocates in a first axis direction; a first inspection part disposed on the body and which measures a position of a defect formed in the thin glass by taking a picture of the thin glass; a transport shuttle which separates the thin glass from the first shuttle, a second shuttle which separates the thin glass from the transport shuttle, fixes the thin glass, and reciprocates the upper surface of the body; and a second inspection part disposed on the body and spaced apart from the first inspection part and which inspects the position of the defect by taking an enlarged picture of the position of the defect. The first shuttle tensions and fixes the thin glass.

    Display device and method of driving the display device

    公开(公告)号:US11048901B2

    公开(公告)日:2021-06-29

    申请号:US16785617

    申请日:2020-02-09

    Abstract: A display device including a display panel including a display area including a fingerprint sensing area and a plurality of pixels provided in the fingerprint sensing area; a sensor layer provided on one surface of the display panel overlapping the fingerprint sensing area, the sensor layer including a plurality of photo sensors; a panel driving circuit configured to output a data signal corresponding to image data to the display panel, corresponding to a first mode, and to output a driving signal to the display panel to allow the pixels to emit lights in a form corresponding to a predetermined light pattern, corresponding to a second mode; and a fingerprint detecting circuit configured to receive sensing signals from the photo sensors, corresponding to the second mode, the fingerprint detecting circuit detecting a fingerprint of a user, based on a sensing signal corresponding to the light pattern among the received sensing signals.

    METHOD AND APPARATUS FOR RESTORING IMAGE OF FINGERPRINT SENSOR

    公开(公告)号:US20230101088A1

    公开(公告)日:2023-03-30

    申请号:US17812455

    申请日:2022-07-14

    Abstract: A method for restoring an image of a fingerprint sensor is described. The method includes capturing, by the fingerprint sensor, a fake fingerprint image from a fake fingerprint; calculating a phase of the fake fingerprint from the fake fingerprint image; capturing a plurality of target fingerprint images at measurement times by a fingerprint sensor disposed on a rear side of a display panel; applying the calculated phase to each of the acquired target fingerprint images; and combining information from each of the plurality of target fingerprint images to generate a final fingerprint image.

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