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    ETCHANT
    1.
    发明公开
    ETCHANT 审中-公开

    公开(公告)号：US20230295504A1

    公开(公告)日：2023-09-21

    申请号：US18179919

    申请日：2023-03-07

    Applicant: Samsung Display Co., Ltd. ,  DONGWOO FINE-CHEM Co., Ltd.

    Inventor： Shinhyuk Yang ,  Beomsoo Kim ,  Hyeonsu Cho ,  Jeehoon Kim ,  Youngjin Yoon ,  Eunwon Lee ,  Donghan Kang ,  Jihun Park ,  Jongmoo Huh

    IPC: C09K13/08

    CPC classification number: C09K13/08

    Abstract: An etchant including: persulfate; a fluorine-containing compound; a chlorine-containing compound; a cyclic amine compound; an inorganic acid; a first compound; and water, wherein the first compound is a compound containing: a sulfonic group, a sulfonic acid group, or a combination thereof; and an amine group, and an interfacial permeation inhibition index (Y) of the etchant is a value of at least about 0.10 and not more than about 0.35, the interfacial permeation inhibition index (Y) being a value calculated by Equation 1:


    Y=1.4×10−4×M(X1)+1.3×10−4×M(X2)+1.45×10−3×M(X3)+1.5×10−5×M(X1)×M(X2)+1.6×10−3M(X1)×M(X3)+6.5×10−4×M(X2)×M(X3)  Equation 1

    The description of Equation 1 is as in the specification.

    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME
    5.
    发明申请
    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20220181427A1

    公开(公告)日：2022-06-09

    申请号：US17447046

    申请日：2021-09-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Shinhyuk Yang ,  Donghan Kang ,  Soonwook Hong ,  Yujin Kim ,  Jeehoon Kim ,  Hanhee Yoon

    IPC: H01L27/32

    Abstract: A display apparatus includes: a substrate including a display area, and a peripheral area; and a pad unit at the peripheral area, the pad unit including: a first conductive layer; a second conductive layer on the first conductive layer, and having a first opening; a third conductive layer on the second conductive layer, and having a second opening overlapping with the first opening, the second opening having an area less than an area of the first opening at a top surface of the second conductive layer; an organic protective layer filling the first opening, and having a third opening overlapping with the second opening; and an additional metal layer covering a top surface of the first conductive layer exposed through the first opening, an inner surface of the second opening, an inner surface of the third opening, and a portion of a top surface of the third conductive layer.

    DISPLAY APPARATUS
    7.
    发明公开
    DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20240170470A1

    公开(公告)日：2024-05-23

    申请号：US18513697

    申请日：2023-11-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Donghan Kang ,  Jeehoon Kim ,  Sunggwon Moon ,  Seungsok Son ,  Shinhyuk Yang ,  Woogeun Lee

    IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

    CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/62

    Abstract: A display apparatus includes a transistor, a light-emitting diode including a first electrode electrically connected to the transistor, a second electrode, and an intermediate layer between the first and second electrodes, a bus line adjacent to the light-emitting diode, a first insulating layer on the bus line, a second insulating layer on the first insulating layer, a conductive layer electrically connected to the bus line through a first opening in the first insulating layer and a second opening in the second insulating layer, a third insulating layer on the second insulating layer and including a third opening overlapping the first opening and the second opening, and a fourth insulating layer on the third insulating layer and including a fourth opening overlapping the conductive layer, wherein a portion of the second electrode of the light-emitting diode is in contact with the conductive layer through the third opening and the fourth opening.

    DISPLAY APPARATUS
    9.
    发明公开
    DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20230217713A1

    公开(公告)日：2023-07-06

    申请号：US17981263

    申请日：2022-11-04

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jeehoon Kim ,  Donghan Kang ,  Shinhyuk Yang

    IPC: H01L27/32

    CPC classification number: H01L27/3265 ,  H01L27/3262 ,  H01L27/3276 ,  H01L27/1225

    Abstract: A display apparatus includes: a transistor; a storage capacitor connected to the transistor; and a light-emitting diode electrically connected to the transistor and the storage capacitor, wherein the transistor includes: a gate electrode on a substrate and having a first sub-layer and a second sub-layer on the first sub-layer; and a semiconductor layer having a channel area, a first low-resistance area, and a second low-resistance area, wherein the channel area overlaps the gate electrode, and the first and second low-resistance areas are on both sides of the channel area, a width of the first sub-layer is greater than a width of the second sub-layer, the channel area is arranged along a side surface of the second sub-layer, the storage capacitor includes a first capacitor electrode and a second capacitor electrode, and the first capacitor electrode is on a same layer and includes a same material as the gate electrode.

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