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    DISPLAY DEVICE
    12.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240169901A1

    公开(公告)日：2024-05-23

    申请号：US18503984

    申请日：2023-11-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： YOUNGWOO PARK ,  YOUNG-IN HWANG ,  SUNGWOOK KIM ,  JEONG-SOO LEE ,  WAN-SOON IM

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2320/0247

    Abstract: A display device includes a light-emitting element, a driving element to apply a driving current, a 1-1 switching element including a first electrode connected to a gate electrode of the driving element, a gate electrode, and a second electrode connected to a first intermediate node, a 1-2 switching element including a first electrode connected to the first intermediate node, a gate electrode, and a second electrode connected to a second electrode of the driving element, a 2-1 switching element including a first electrode connected to a second intermediate node, a gate electrode, and a second electrode connected to the gate electrode of the driving element, a 2-2 switching element including a first electrode, a gate electrode, and a second electrode connected to the second intermediate node, and a capacitor including a first electrode to receive a power voltage, and a second electrode connected to the first and second intermediate nodes.

    PIXEL CIRCUIT
    14.
    发明申请
    PIXEL CIRCUIT 有权

    公开(公告)号：US20210287605A1

    公开(公告)日：2021-09-16

    申请号：US17164657

    申请日：2021-02-01

    Applicant: Samsung Display Co., Ltd.

    Inventor： SEONG MIN WANG ,  JIHYE KONG ,  YONGHO YANG ,  JEONG-SOO LEE

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

    Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The pixel circuit performs a display-scan operation in a first case where a driving time of a panel driving frame is a minimum driving time and performs a display-scan operation and at least one self-scan operation in a second case where the driving time is different from the minimum driving time.

    DISPLAY DEVICE
    16.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210318733A1

    公开(公告)日：2021-10-14

    申请号：US17206385

    申请日：2021-03-19

    Applicant: Samsung Display Co., LTD.

    Inventor： JIHYE KONG ,  JEONG-SOO LEE

    IPC: G06F1/18 ,  G09G3/3275

    Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.

    DISPLAY DEVICE
    17.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210126071A1

    公开(公告)日：2021-04-29

    申请号：US17140484

    申请日：2021-01-04

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： JEONG-SOO LEE ,  MOO SOON KO ,  MIN WOO WOO ,  JU-WON YOON ,  DEUK MYUNG JI

    IPC: H01L27/32 ,  H01L29/786 ,  G09G3/3258 ,  H01L27/12 ,  G09G3/3233

    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.

    DISPLAY DEVICE
    18.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190181065A1

    公开(公告)日：2019-06-13

    申请号：US16277414

    申请日：2019-02-15

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： MOO SOON KO ,  JEONG-SOO LEE ,  JUNG HWA KIM

    IPC: H01L21/66 ,  H01L27/12 ,  H01L29/786

    Abstract: A display device is disclosed. In one aspect, the display device includes a display area configured to display an image, a peripheral area neighboring the display area, and at least one test element group (TEG) including a test thin film transistor (TFT) formed in the peripheral area and a plurality of test pads electrically connected to the test TFT. The display device also includes first to third dummy circuits separated from the test TFT, each of the first to third dummy circuits including a plurality of first dummy semiconductor layers and a plurality of first dummy gate electrodes overlapping at least a portion of the first dummy semiconductor layers in the depth dimension of the display device.

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