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    Pixel, display device having same and driving method thereof
    15.
    发明授权
    Pixel, display device having same and driving method thereof 有权

    公开(公告)号：US11488520B2

    公开(公告)日：2022-11-01

    申请号：US17283771

    申请日：2019-04-08

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Yo Han Lee ,  Su Mi Moon ,  Hyun Min Cho

    IPC: G09G3/32 ,  G09G3/20

    Abstract: A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

    Display device and method for manufacturing the same
    16.
    发明授权
    Display device and method for manufacturing the same 有权

    公开(公告)号：US11411066B2

    公开(公告)日：2022-08-09

    申请号：US17030951

    申请日：2020-09-24

    Applicant: Samsung Display Co., LTD.

    Inventor： Hyun Min Cho ,  Sang Gab Kim ,  Tae Sung Kim

    IPC: H01L27/32 ,  H01L51/56

    Abstract: A display device and a method of the display device are provided. The display device includes a lower metal layer on a substrate, a buffer layer on the lower metal layer, a first semiconductor layer on the buffer layer, a gate insulating layer on the first semiconductor layer, a first gate electrode on the gate insulating layer, an interlayer insulating layer on the first gate electrode, a via layer on the interlayer insulating layer, a pixel electrode on the via layer and electrically connected to the first semiconductor layer, a light emitting layer on the pixel electrode, a common electrode on the light emitting layer, a first contact hole penetrating the buffer layer and the interlayer insulating layer and a second contact hole penetrating the interlayer insulating layer, and a first via hole and a second via hole each penetrating the via layer.

    Organic light emitting diode display device including etch stop layer
    17.
    发明授权
    Organic light emitting diode display device including etch stop layer 有权

    公开(公告)号：US11342404B2

    公开(公告)日：2022-05-24

    申请号：US16894953

    申请日：2020-06-08

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Kyeong Su Ko ,  Joon Yong Park ,  Gyung Min Baek ,  Hyun Min Cho ,  Dae Won Choi

    IPC: H01L29/08 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

    Abstract: An organic light emitting diode display including: a substrate; a TFT on the substrate; a planarization layer on the TFT; a pixel electrode on the planarization layer, wherein the pixel electrode includes upper and lower layers including a transparent conductive oxide and an intermediate layer including silver; an etch stop layer on the pixel electrode, wherein an upper surface of the pixel electrode is exposed by the etch stop layer; a partition on the etch stop layer, wherein the upper surface of the pixel electrode is exposed by the partition; an organic emission layer on the upper surface of the pixel electrode where the upper surface of the pixel electrode is exposed by the etch stop layer and the partition; and a common electrode on the organic emission layer and the partition, wherein the etch stop layer covers an edge and a side surface of the pixel electrode.

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