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    • 26. 发明申请
    • DISPLAY DEVICE
    • US20230027391A1
    • 2023-01-26
    • US17705024
    • 2022-03-25
    • SAMSUNG DISPLAY CO., LTD.
    • Na Hyeon CHADong Hee SHINMin Kyu WOO
    • H01L25/16H01L27/12H01L23/00
    • A display device is provided. The display device comprising: a substrate including a display area and a pad area, a first conductive layer disposed on the substrate and including a first signal line disposed in the display area, a buffer layer disposed on the first conductive layer, a semiconductor layer disposed on the buffer layer in the display area, a gate insulating film disposed on the semiconductor layer, a second conductive layer disposed on the gate insulating film and including a gate electrode overlapping the semiconductor layer in the display area, a first electrode of a transistor disposed to overlap one side of the semiconductor layer in the display area and connected to the first signal line through a contact hole penetrating through the buffer layer and the gate insulating film, and a second electrode of the transistor disposed to overlap the other side of the semiconductor layer in the display area, a first pad disposed on the buffer layer in the pad area and exposed by a pad opening, a first insulating layer disposed on the second conductive layer and the first pad, and a light emitting element disposed on the first insulating layer in the display area, wherein the first pad is formed of the first conductive layer or the second conductive layer.