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    RESONANCE STRUCTURE OF DISPLAY DEVICE AND METHOD OF PROVIDING THE SAME
    1.
    发明公开
    RESONANCE STRUCTURE OF DISPLAY DEVICE AND METHOD OF PROVIDING THE SAME 审中-公开

    公开(公告)号：US20240107825A1

    公开(公告)日：2024-03-28

    申请号：US18192895

    申请日：2023-03-30

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyuneok Shin ,  Joonyong Park ,  Juhyun Lee

    IPC: H10K59/124 ,  H10K59/12 ,  H10K59/80

    CPC classification number: H10K59/124 ,  H10K59/1201 ,  H10K59/876

    Abstract: A display device includes a substrate including an upper surface, a pixel circuit layer on the substrate and comprising a transistor, an insulating layer on the pixel circuit layer, the insulating layer defining a trench having a depth, and a first pixel electrode connected to the pixel circuit layer, the first pixel electrode having a thickness which is greater than the depth of the trench. The first pixel electrode includes a center area overlapping the trench, and a peripheral area which is adjacent to the center area, a lower surface corresponding to the center area and to the peripheral area, and a distance from the lower surface of the first pixel electrode to the upper surface of the substrate, in the center area, being smaller than a distance between the lower surface of the first pixel electrode and the upper surface of the substrate, in the peripheral area.

    Method of manufacturing display panel utilizing ratio of etching removal speeds and display panel manufactured by the same
    3.
    发明授权
    Method of manufacturing display panel utilizing ratio of etching removal speeds and display panel manufactured by the same 有权

    公开(公告)号：US11637167B2

    公开(公告)日：2023-04-25

    申请号：US17026604

    申请日：2020-09-21

    Applicant: Samsung Display Co., Ltd.

    Inventor： Gyungmin Baek ,  Juhyun Lee ,  Hongsick Park ,  Hyuneok Shin

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

    Abstract: A method of manufacturing a display panel includes forming a circuit layer including a gate, a source, and a drain on a base substrate and forming a light emitting element layer on the circuit layer. The forming of the circuit layer includes sequentially forming a preliminary metal layer, a preliminary oxide layer comprising molybdenum and tantalum, and a preliminary capping layer which comprise a preliminary electrode layer, cleaning the preliminary electrode layer, forming a photoresist layer pattern on the preliminary electrode layer, etching the preliminary electrode layer, and removing the photoresist layer pattern. During the etching of the preliminary electrode layer, a ratio between a removal speed ER1 of the preliminary oxide layer and a removal speed ER2 of the preliminary metal layer satisfies Equation 1 to maintain a low reflection property 1≤ER2/ER1≤3.  [Equation 1]

    Display device
    4.
    发明授权
    Display device 有权

    公开(公告)号：US11342402B2

    公开(公告)日：2022-05-24

    申请号：US16126657

    申请日：2018-09-10

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gyungmin Baek ,  Juhyun Lee ,  Sangwon Shin ,  Hyuneok Shin ,  Dongmin Lee

    IPC: H01L27/32 ,  G09G3/3291 ,  H01L27/12 ,  H01L29/45 ,  H01L29/786

    Abstract: A display device includes a substrate including a display area and a peripheral area outside the display area. A circuit unit is disposed in the display area and includes a semiconductor layer. An insulating layer is on the semiconductor layer. A conductive layer is connected to the semiconductor layer through a contact hole in the insulating layer. The conductive layer includes an underlayer including a metal nitride including a first metal. A display element is disposed on the circuit unit and includes a pixel electrode electrically connected to the conductive layer. A connection layer is disposed under the conductive layer. The connection layer corresponds to the contact hole and includes a second metal.

    Display panel
    8.
    发明授权
    Display panel 有权

    公开(公告)号：US11462573B2

    公开(公告)日：2022-10-04

    申请号：US16877596

    申请日：2020-05-19

    Applicant: Samsung Display Co., LTD.

    Inventor： Juhyun Lee ,  Gyungmin Baek ,  Hongsick Park ,  Sangwon Shin ,  Hyuneok Shin ,  Shin Il Choi

    IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368

    Abstract: A display panel includes a base substrate, a pixel including a thin film transistor and a display element, a first signal line connected to the pixel, and a second signal line disposed on a layer different from the first signal line. At least one of the first signal line and the second signal line includes a lower layer including a conductive material and an upper layer disposed on the lower layer and including a conductive material. The upper layer has an etch selectivity in a range equal to or greater than about 0.5 and equal to or smaller than about 3 with respect to the lower layer.

    Display device
    9.
    发明授权
    Display device 有权

    公开(公告)号：US11335759B2

    公开(公告)日：2022-05-17

    申请号：US16806437

    申请日：2020-03-02

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Gyungmin Baek ,  Hongsick Park ,  Juhyun Lee ,  Jaeuoon Kim

    IPC: H01L27/32 ,  H01L27/12

    Abstract: A display device includes: a substrate including a display area and a peripheral area outside the display area; a plurality of display elements arranged in the display area; and a pad disposed in the peripheral area and having a multi-layered structure, where the multi-layered structure of the pad includes: a metal layer; a conductive protective layer on a top surface of the metal layer; and a metal thin film on a top surface of the conductive protective layer.

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