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    FINGERPRINT RECOGNITION DEVICE AND A DRIVING METHOD THEREOF
    31.
    发明申请
    FINGERPRINT RECOGNITION DEVICE AND A DRIVING METHOD THEREOF 审中-公开

    公开(公告)号：US20200065541A1

    公开(公告)日：2020-02-27

    申请号：US16545180

    申请日：2019-08-20

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Keum Dong Jung ,  Il Nam Kim ,  Kyung Tea Park ,  Jin Oh Kwag ,  Won Sang Park ,  Sung Chan Jo

    IPC: G06K9/00

    Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.

    Display device and driving method thereof
    33.
    发明授权
    Display device and driving method thereof 有权

    公开(公告)号：US10319280B2

    公开(公告)日：2019-06-11

    申请号：US14994041

    申请日：2016-01-12

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Il Nam Kim ,  Won Sang Park ,  Gee Bum Kim ,  Ki Seo Kim

    IPC: G09G5/10 ,  G09G3/20 ,  G09G5/04

    Abstract: There is provided a display device including a display panel including pixels, and a display panel driver configured to drive the display panel, wherein the display panel driver includes a timing controller configured to receive image signals and timing signals from the outside, to convert at least some of the image signals, and to output the converted image signals, wherein the image signals include first image signals corresponding to a first area in the display panel, wherein each of image signals corresponds to each of the pixels and includes a red signal, a green signal, and a blue signal, wherein the timing controller includes a signal receiver configured to receive the image signals and the timing signals, and a first converter configured to receive the first image signals from the signal receiver, to perform color weakness-compensating conversion on the first image signals, and to output the converted first image signals.

    Display device
    38.
    发明授权
    Display device 有权

    公开(公告)号：US11653540B2

    公开(公告)日：2023-05-16

    申请号：US17397884

    申请日：2021-08-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Ji Hun Ryu ,  Yun Ho Kim ,  Il Nam Kim ,  Eun Jin Sung

    IPC: H10K59/131 ,  G06V40/13

    CPC classification number: H10K59/131 ,  G06V40/1318 ,  H10K59/126 ,  H10K59/60

    Abstract: A display device including a plurality of pixels arranged in a matrix, a substrate, a first anode disposed on the substrate, and a plurality of opaque conductive layers disposed between the substrate and the first anode, in which the pixels include an opening pixel including a first anode arrangement region, a pinhole region located around the first anode arrangement region and surrounded by the first anode, and a first anode non-arrangement region including an exposed region located outside the first anode, and in a plan view, the opaque conductive layers completely cover the exposed region and at least partially expose the pinhole region.

    Display device including fingerprint sensor and fingerprint authentication method thereof
    39.
    发明授权
    Display device including fingerprint sensor and fingerprint authentication method thereof 有权

    公开(公告)号：US11568036B2

    公开(公告)日：2023-01-31

    申请号：US17520699

    申请日：2021-11-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Won Sang Park ,  Jin Oh Kwag ,  Il Nam Kim ,  Ji Hun Ryu ,  Seung Hyun Moon ,  Bong Hyun You ,  Jong Hyun Lee ,  Hee Chul Hwang

    IPC: G06F21/32 ,  G06F3/042 ,  G06V40/13 ,  G06V40/12

    Abstract: A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.

    Display device
    40.
    发明授权
    Display device 有权

    公开(公告)号：US11437459B2

    公开(公告)日：2022-09-06

    申请号：US17003365

    申请日：2020-08-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sun Hwa Lee ,  Mu Kyung Jeon ,  Il Nam Kim ,  Ji Hun Ryu ,  Ki Hyun Pyo

    IPC: H01L27/32 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13 ,  G06F3/044

    Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

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