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    Scan driver
    1.
    发明授权
    Scan driver 有权

    公开(公告)号：US11468826B2

    公开(公告)日：2022-10-11

    申请号：US17339808

    申请日：2021-06-04

    Applicant: Samsung Display Co., Ltd.

    Inventor： Chui Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

    IPC: G09G3/3266 ,  G09G3/32

    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

    Organic light emitting display device and method for driving the same
    3.
    发明授权
    Organic light emitting display device and method for driving the same 有权

    公开(公告)号：US11151948B2

    公开(公告)日：2021-10-19

    申请号：US16450719

    申请日：2019-06-24

    Applicant: Samsung Display Co., Ltd.

    Inventor： Dong Sun Lee ,  Sang Moo Choi ,  Chui Kyu Kang ,  Soo Hee Oh

    IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3233

    Abstract: An organic light emitting display device includes: a pixel unit including a plurality of pixels; a scan driver for sequentially supplying a scan signal to the pixels through scan lines, wherein the scan signal includes k (k is a natural number) bias pulses for applying a bias voltage and one write pulse for applying a data voltage; a data corrector for correcting a first grayscale value that is a grayscale value of a (j, i) pixel (i and j are natural numbers) among the pixels, based on a difference between the first grayscale value and a second grayscale value that is a grayscale value of a (j+2k, i) pixel among the pixels; and a data driver for supplying a data voltage corresponding to each of the grayscale values to the pixel unit through a plurality of data lines.

    Stage for a display device and scan driver having the same
    5.
    发明授权
    Stage for a display device and scan driver having the same 有权

    公开(公告)号：US11195469B2

    公开(公告)日：2021-12-07

    申请号：US16708344

    申请日：2019-12-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Chul Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

    IPC: G09G3/30 ,  G09G3/36 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

    Abstract: A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.

    Pixel circuit
    7.
    发明授权
    Pixel circuit 有权

    公开(公告)号：US10770004B2

    公开(公告)日：2020-09-08

    申请号：US16563636

    申请日：2019-09-06

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sung Hwan Kim ,  Chul Kyu Kang ,  Soo Hee Oh ,  Dong Sun Lee

    IPC: G09G3/30 ,  G09G3/32 ,  G09G3/3266 ,  G09G3/3291

    Abstract: A pixel circuit, includes: an organic light-emitting diode; a first transistor coupled between a second node and a third node, wherein a gate electrode of the first transistor is coupled to a first node; a second transistor coupled between a data line and the second node, wherein a gate electrode of the second transistor is coupled to a first scan line; a fourth transistor coupled between the first node and an initialization power source, wherein a gate electrode of the fourth transistor is coupled to a second scan line; a fifth transistor coupled between a first power source and the second node, wherein a gate electrode of the fifth transistor is coupled to a first emission line; and a sixth transistor and an eighth transistor coupled in series between the third node and the organic light-emitting diode.

    DISPLAY DEVICE
    9.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20170229665A1

    公开(公告)日：2017-08-10

    申请号：US15406252

    申请日：2017-01-13

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyung-Gyu Park ,  Soo Hee Oh ,  Seong Geun Won ,  Hirotsugu Kishimoto

    IPC: H01L51/00 ,  H01L51/52

    Abstract: A display device includes a flexible display panel and a protective film. The protective film includes a film main body and a first adhesion portion. The film main body has a first surface contacting the flexible display panel and a first recess portion recessed from the first surface, and the first adhesion portion is in the first recess portion.

    Scan driver
    10.
    发明授权
    Scan driver 有权

    公开(公告)号：US11967269B2

    公开(公告)日：2024-04-23

    申请号：US17938031

    申请日：2022-10-04

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Chul Kyu Kang ,  Sung Hwan Kim ,  Soo Hee Oh ,  Dong Sun Lee ,  Sang Moo Choi

    IPC: G06F3/01 ,  G09G3/32

    CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/08

    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

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