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    Scan driver
    2.
    发明授权
    Scan driver 有权

    公开(公告)号：US11699399B2

    公开(公告)日：2023-07-11

    申请号：US17577301

    申请日：2022-01-17

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jong Hee Kim ,  Tak Young Lee ,  Bo Yong Chung ,  Yang Hwa Choi

    IPC: G09G3/3266 ,  G09G3/3258

    CPC classification number: G09G3/3266 ,  G09G3/3258 ,  G09G2310/0202

    Abstract: A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.

    Organic light emitting display device utilizing compensator to improve display quality
    3.
    发明授权
    Organic light emitting display device utilizing compensator to improve display quality 有权

    公开(公告)号：US11151947B2

    公开(公告)日：2021-10-19

    申请号：US16882384

    申请日：2020-05-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hai Jung In ,  Dong Gyu Kim ,  Bo Yong Chung

    IPC: G09G3/3275 ,  G09G3/3233

    Abstract: An organic light emitting display device includes pixels, a sensor configured to extract at least one of deviation information of first transistors of the pixels and deterioration information of OLEDs of the pixels in a sensing period, and a converter configured to change a bit of first data input from the outside by using at least one of the deviation information and the deterioration information, and to generate second data, wherein a pixel at an ith horizontal line includes an OLED, a first transistor configured to control an amount of a current that flows from a first power source via the OLED in response to a voltage of a first node, second and third transistors configured to turn on when a scan signal is supplied to an ith scan line, and a fourth transistor configured to turn on when a control signal is supplied to an ith control line.

    SCAN DRIVER
    5.
    发明申请
    SCAN DRIVER 有权

    公开(公告)号：US20210065617A1

    公开(公告)日：2021-03-04

    申请号：US16941140

    申请日：2020-07-28

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yang Hwa Choi ,  Bo Yong Chung

    IPC: G09G3/32

    Abstract: A scan driver includes a first transistor including gate, first, and second electrodes coupled to a Q node, a scan clock line, and a scan line. A second transistor includes gate and first electrodes coupled to a scan carry line, and a second electrode coupled to the Q node. A third transistor includes gate and first electrodes coupled to a first control line and a sensing carry line. A fourth transistor includes a gate and first electrode coupled to the sensing carry line and the third transistor first electrode. A fifth transistor includes gate, first, and second electrodes coupled to a fourth transistor second electrode, a second control line, and a node. A capacitor includes first and second electrodes coupled to the fifth transistor first and gate electrodes. A sixth transistor includes gate, first, and second electrodes coupled to a third control line, the node, and the Q node.

    Display device
    6.
    发明授权
    Display device 有权

    公开(公告)号：US10720107B2

    公开(公告)日：2020-07-21

    申请号：US16203476

    申请日：2018-11-28

    Applicant: Samsung Display Co., Ltd.

    Inventor： Dong Woo Kim ,  Bo Yong Chung ,  Yeon Kyung Kim ,  Chong Chul Chai

    IPC: G09G3/3258 ,  G09G3/3283 ,  G09G3/3233 ,  G09G3/3241

    Abstract: A display device having a frame period including reset, compensation, relay, emission, and initialization periods. Each pixel includes: an organic light emitting diode having an anode coupled to a second node and a electrode coupled to a second power source; a first transistor between a first power source and the second node, and a gate electrode coupled to a first node; a second transistor between the first node and the second node; a third transistor between the first power source and a third node; a fourth transistor between a fourth node and the third node; a fifth transistor between a data line and the fourth node; a sixth transistor between a third power source and the second node; a first capacitor between the third node and the first node; and a second capacitor coupled the fourth node and the third power source.

    Pixel circuit and display apparatus having the same
    10.
    发明授权
    Pixel circuit and display apparatus having the same 有权

    公开(公告)号：US11322093B2

    公开(公告)日：2022-05-03

    申请号：US17062971

    申请日：2020-10-05

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jun Hyun Park ,  Chong Chui Chai ,  Young Wan Seo ,  An Su Lee ,  Bo Yong Chung ,  Kang Moon Jo

    IPC: G09G3/3258 ,  G09G3/3233

    Abstract: A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.

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