WIRING SUBSTRATE AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20230163158A1

    公开(公告)日:2023-05-25

    申请号:US17963659

    申请日:2022-10-11

    CPC classification number: H01L27/156 H01L33/24 H01L33/44

    Abstract: A display device includes a first substrate including a display area and a pad area, which is on one side of the display area, a plurality of conductive layers each including a plurality of wires and conductive patterns, which are in the display area and the pad area, on the first substrate, a via layer on the plurality of conductive layers, a first electrode and a second electrode on the via layer, in the display area, to be spaced apart from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light-emitting elements on the first electrode, the second electrode, and on the first insulating layer, and a first connecting electrode on the first electrode and in contact with the plurality of light-emitting elements, and a second connecting electrode on the second electrode and in contact with the plurality of light-emitting elements, wherein at least one of the plurality of conductive layers includes a metal layer, which includes a copper-silver (CuAg) alloy and has a crystal grain size of 140 nm or less.

    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20250089463A1

    公开(公告)日:2025-03-13

    申请号:US18633458

    申请日:2024-04-11

    Abstract: A display device includes a substrate including a first emission area, a transmissive area, and a non-emission area disposed between the first emission area and the transmissive area; a pixel-defining layer disposed on the non-emission area of the substrate and defining a first opening; a bank structure disposed on the pixel-defining layer, defining a second opening, and including different materials; and a first light-emitting element disposed on the first emission area of the substrate and in contact with the bank structure, where the bank structure includes a first bank layer including a conductive material; and a second bank layer disposed on the first bank layer and including tips that protrude on opposite sides of the second bank layer toward the first opening and the transmissive area than side surfaces of the first bank layer.

    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20240373678A1

    公开(公告)日:2024-11-07

    申请号:US18534848

    申请日:2023-12-11

    Abstract: A display device includes anode electrodes, an inorganic insulating layer exposing each anode electrode, a bank member on the inorganic insulating layer and including an opening overlapping each anode electrode, a light emitting layer on each anode electrode and including a portion on the inorganic insulating layer, and a cathode electrode on the light emitting layer and including a portion in contact with the bank member. The bank member includes a first bank layer, and a second bank layer on the first bank layer, including a metal material different from that of the first bank layer, and including a tip portion protruding than the first bank layer at a sidewall of the opening, and a lateral side of the inorganic insulating layer defining a pattern opening exposing each anode electrode and an end portion of the tip portion of the second bank layer are aligned to each other.

    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20240357871A1

    公开(公告)日:2024-10-24

    申请号:US18521142

    申请日:2023-11-28

    Abstract: A display device includes anode electrodes spaced apart, a bank structure surrounding the anode electrodes, and including openings, a capping layer on the anode electrode, electrically connected thereto, and having at least a portion spaced apart from the anode electrodes, an inorganic insulating layer on the capping layer within the openings and exposing a portion of an upper surface of the capping layer, light emitting layers each on the capping layer and having a portion contacting a side surface of the bank structure, cathode electrodes on the light emitting layers and having a portion contacting the side surface of the bank structure, and auxiliary common electrodes on the cathode electrodes and having a portion disposed on the bank structure. The bank structure includes first and second bank layers having different material, and the second includes a tip protruding more than the first bank layer.

    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20240215323A1

    公开(公告)日:2024-06-27

    申请号:US18371370

    申请日:2023-09-21

    CPC classification number: H10K59/122 H10K59/1201 H10K59/8792

    Abstract: A display device includes a first pixel electrode disposed on a substrate; an inorganic insulating layer disposed on the substrate; a bank structure disposed on the inorganic insulating layer and including a first opening, which overlap with the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode; and a first common electrode disposed on the first light-emitting layer. The bank structure includes a first bank layer, which is disposed directly on the inorganic insulating layer and includes MoTaOx, a second bank layer, which is disposed on the first bank layer and includes MoTaOx, and a third bank layer, which is disposed between the first bank layer and the second bank layer and includes copper (Cu). The second bank layer includes tips, which protrude beyond the third bank layer, on a sidewall of the first opening, and the first and second bank layers include different Ta contents.

    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND A MANUFACTURING METHOD THEREOF

    公开(公告)号:US20210057504A1

    公开(公告)日:2021-02-25

    申请号:US16894953

    申请日:2020-06-08

    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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