Display device including photosensor units

    公开(公告)号:US11238256B2

    公开(公告)日:2022-02-01

    申请号:US16887595

    申请日:2020-05-29

    Abstract: A display deice is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.

    Display device and method of driving display device

    公开(公告)号:US11200398B2

    公开(公告)日:2021-12-14

    申请号:US16999314

    申请日:2020-08-21

    Abstract: A display device including a display panel having a display area including a plurality of pixels and a non-display area surrounding at least one side of the display area, a light blocking layer at least partially overlapping the display area and including opening portions for selectively passing incident light, and a power supply device configured to supply power to the pixels and the light blocking layer, in which the power supply device is configured to apply control power having a different voltage value in correspondence with a type of an image to be displayed in the display area to the light blocking layer, during a display period.

    Fingerprint sensor and display device including the same

    公开(公告)号:US11024682B2

    公开(公告)日:2021-06-01

    申请号:US16688512

    申请日:2019-11-19

    Abstract: The fingerprint sensor may include: a light transmitting hole array layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.

    FINGERPRINT SENSOR AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20200219948A1

    公开(公告)日:2020-07-09

    申请号:US16688512

    申请日:2019-11-19

    Abstract: The fingerprint sensor may include: a light transmitting hole an-ay layer including a plurality of light blocking patterns having a plurality of light transmitting holes to form light transmitting paths of light rays; a sensor layer including a plurality of photo sensors configured to sense light rays that pass through the light transmitting holes and are incident on the sensor layer; and metal patterns configured to apply electrical signals to pixels or the light blocking patterns. A gap between the light blocking patterns may overlap with at least some of the metal patterns.

    Fingerprint sensing device and method for driving the same

    公开(公告)号:US10650213B2

    公开(公告)日:2020-05-12

    申请号:US15890581

    申请日:2018-02-07

    Abstract: A fingerprint sensing device includes: a fingerprint sensor including scan lines and initialization lines extending in a first direction and arranged in a second direction, sensing lines extending in the second direction and arranged in the first direction, and sensing pixels connected to the scan lines, the initialization lines, and the sensing lines and disposed in a matrix configuration; a scan driver configured to apply an enable-level initialization signal to a-numbered sensing pixel rows while applying a disable-level initialization signal to b-numbered sensing pixel rows, and applying an enable-level scan signal to one sensing pixel row in the b-numbered sensing pixel rows; and a sensing driver configured to receive a sensing signal from the sensing pixel row to which the scan signal is applied through the sensing lines, wherein the a and b are positive numbers that are greater than 2.

    Method and device for recognizing fingerprint

    公开(公告)号:US10509944B2

    公开(公告)日:2019-12-17

    申请号:US15866202

    申请日:2018-01-09

    Abstract: A device for verifying a fingerprint includes: a sensing unit which captures a fingerprint image from a fingerprint of a user; a memory which stores a registered fingerprint image; and a controller which calculates a correlation coefficient between at least one region of the fingerprint image and the registered fingerprint image, and rotation-corrects the fingerprint image by a predetermined angle based on a result of comparing the correlation coefficient and a threshold value, where an area of the at least one region is within a range of about 5% to about 40% of an area of the fingerprint image.

    Organic light emitting display device

    公开(公告)号:US09672767B2

    公开(公告)日:2017-06-06

    申请号:US14477479

    申请日:2014-09-04

    Inventor: Il Nam Kim

    Abstract: An organic light emitting display device includes: a display panel including a red sub-pixel, a green sub-pixel, a first blue sub-pixel, and a second blue sub-pixel connected to scan lines and data lines; a scan driver configured to drive the plurality of scan lines; a data driver configured to output a data output signal in response to a data signal; a de-multiplexer circuit configured to sequentially provide the data output signal to a first data line, a second data line, a third data line, and a fourth data line, respectively to the red sub-pixel, the green sub-pixel, the first blue sub-pixel, and the second blue sub-pixel, in response to selection signals; and a timing controller configured to provide the data signal to the data driver, control the scan driver, and output the selection signals in response to an image signal and a control signal.

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