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    Display device and method for manufacturing the same
    1.
    发明授权
    Display device and method for manufacturing the same 有权

    公开(公告)号：US11469283B2

    公开(公告)日：2022-10-11

    申请号：US16952762

    申请日：2020-11-19

    Applicant: Samsung Display Co., LTD.

    Inventor： Myoung Hwa Kim ,  Joon Seok Park ,  Tae Sang Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Sang Woo Sohn ,  Jun Hyung Lim ,  Hye Lim Choi

    IPC: H01L27/32 ,  H01L27/12 ,  H01L29/423

    Abstract: A display device is provided. The display device includes a substrate, a first active layer of a first transistor and a second active layer of a second transistor which are disposed on the substrate, a first gate insulating layer disposed on the first active layer, an oxide layer disposed on the first gate insulating layer and including an oxide semiconductor, a first gate electrode disposed on the oxide layer, a second gate insulating layer disposed on the first gate electrode and the second active layer, and a second gate electrode which overlaps the second active layer in a thickness direction of the substrate and is disposed on the second gate insulating layer, where the oxide layer overlaps the first active layer and does not overlap the second active layer in the thickness direction.

    Display device for driving at high speed
    2.
    发明授权
    Display device for driving at high speed 有权

    公开(公告)号：US11430859B2

    公开(公告)日：2022-08-30

    申请号：US16885598

    申请日：2020-05-28

    Applicant: Samsung Display Co., Ltd.

    Inventor： Joon Seok Park ,  Myounghwa Kim ,  Tae Sang Kim ,  Hyungjun Kim ,  Yeon Keon Moon ,  Geunchul Park ,  Sangwoo Sohn ,  Jun Hyung Lim ,  Kyung Jin Jeon ,  Hye Lim Choi

    IPC: H01L29/08 ,  H01L27/32

    Abstract: A display device includes a first pixel, a second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel. Each of the first pixel and the second pixel includes a transistor including a conductive layer, a semiconductor layer on the conductive layer, a gate electrode on the semiconductor layer, and a source/drain electrode connected to the semiconductor layer, a capacitor including a first capacitor electrode in a same layer as the gate electrode and a second capacitor electrode on the first capacitor electrode, and a light emitting device on the transistor and the capacitor. The first data line is in a same layer as the source/drain electrode, and the second data line is in a same layer as one of the conductive layer and the second capacitor electrode.

    Display device
    3.
    发明授权
    Display device 有权

    公开(公告)号：US11271015B2

    公开(公告)日：2022-03-08

    申请号：US16876984

    申请日：2020-05-18

    Applicant: Samsung Display Co., LTD.

    Inventor： Joon Seok Park ,  Myoung Hwa Kim ,  Tae Sang Kim ,  Hyung Jun Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Sang Woo Sohn ,  Jun Hyung Lim ,  Kyung Jin Jeon ,  Hye Lim Choi

    IPC: H01L27/12 ,  G02F1/1362 ,  H01L27/32

    Abstract: A display device includes a substrate, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer and including an oxide semiconductor and a first active layer, a first gate insulating layer disposed on the first semiconductor layer and the buffer layer, a second semiconductor layer disposed on the first gate insulating layer and including an oxide semiconductor, a second active layer, and a first oxide layer on the first active layer, a second gate insulating layer disposed on the second semiconductor layer, a first conductive layer disposed on the second gate insulating layer, an insulating layer disposed on the first conductive layer, a second conductive layer disposed on the insulating layer, a passivation layer disposed on the second conductive layer, and a third conductive layer disposed on the first passivation layer.

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