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    Display device
    11.
    发明授权
    Display device 有权

    公开(公告)号：US10372002B2

    公开(公告)日：2019-08-06

    申请号：US15647564

    申请日：2017-07-12

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Whee-Won Lee ,  Ga-Na Kim

    IPC: G02F1/13 ,  G02F1/1362 ,  G09G3/3208 ,  G09G3/36 ,  G09G3/3266

    Abstract: A display device includes: pixels; gate lines for connecting to the pixels; a first gate driving block for connecting to first and second gate lines that are adjacent to each other; and a second gate driving block for connecting to the first gate line and the second gate line, wherein the first gate driving block includes: a first gate signal generating portion; a first transistor connected between a first output terminal of the first gate signal generating portion and the first gate line; and a second transistor connected between the first output terminal and the second gate line, wherein the second gate driving block includes: a second gate signal generating portion; a third transistor connected between a second output terminal of the second gate signal generating portion and the first gate line; and a fourth transistor connected between the second output terminal and the second gate line.

    Display device and connection circuit board
    13.
    发明授权
    Display device and connection circuit board 有权

    公开(公告)号：US11770954B2

    公开(公告)日：2023-09-26

    申请号：US17950210

    申请日：2022-09-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Wontae Kim ,  Myeongsu Kim ,  Boyeon Kim ,  Jae-Han Lee ,  Whee-Won Lee

    IPC: H10K59/131 ,  G09G3/3208

    CPC classification number: H10K59/131 ,  G09G3/3208 ,  G09G2300/0426

    Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

    Display device and pad contact test method thereof
    14.
    发明授权
    Display device and pad contact test method thereof 有权

    公开(公告)号：US11741866B2

    公开(公告)日：2023-08-29

    申请号：US17389627

    申请日：2021-07-30

    Applicant: Samsung Display Co., Ltd.

    Inventor： Wontae Kim ,  Myeongsu Kim ,  Boyeon Kim ,  Jae-Han Lee ,  Whee-Won Lee

    IPC: G09G3/00 ,  H01L27/32 ,  H10K59/131

    CPC classification number: G09G3/006 ,  H10K59/131

    Abstract: A display device includes a display panel, a main circuit board including a plurality of board pads arranged along a first direction, a connection circuit board electrically connected to the display panel and the main circuit board, and a driving chip disposed on the connection circuit board. The connection circuit board includes a plurality of board connection pads respectively connected to a plurality of board pads, a plurality of lines connecting the driving chip to the plurality of board connection pads to each other, and a test pattern disposed spaced part from the driving chip, where a first line and a second line among the lines are electrically connected to the test pattern, and a same voltage is applied to the first line and the second line.

    Display device and connection circuit board
    16.
    发明授权
    Display device and connection circuit board 有权

    公开(公告)号：US11476321B2

    公开(公告)日：2022-10-18

    申请号：US17318051

    申请日：2021-05-12

    Applicant: Samsung Display Co., Ltd.

    Inventor： Wontae Kim ,  Myeongsu Kim ,  Boyeon Kim ,  Jae-Han Lee ,  Whee-Won Lee

    IPC: H01L27/32 ,  G09G3/3208

    Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

    Gate driving circuit and display apparatus having the same
    17.
    发明授权
    Gate driving circuit and display apparatus having the same 审中-公开

    公开(公告)号：US10671112B2

    公开(公告)日：2020-06-02

    申请号：US16541904

    申请日：2019-08-15

    Applicant: Samsung Display Co., Ltd.

    Inventor： Whee-Won Lee ,  Ji Young Eom

    IPC: G06F1/08 ,  G09G3/20 ,  H03C3/09

    Abstract: A gate driving circuit includes a pull-up control part for applying a first previous carry signal to a first node in response to the first previous carry signal, a first pull-up part outputting a clock signal as an N-th gate output signal in response to a signal applied to the first node, a second pull-up part outputting the clock signal as the N-th gate output signal in response to the signal applied to the first node, a carry part outputting the clock signal as an N-th carry signal in response to the signal applied to the first node, a first pull-down part pulling down the signal at the first node to a second off voltage, and a second pull-down part pulling down the N-th gate output signal to a first off voltage, wherein one of the first pull-up part and the second pull-up part is selectively activated.

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