公开(公告)号：US11963408B2

公开(公告)日：2024-04-16

申请号：US17462390

申请日：2021-08-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Inbae Kim ,  Changok Kim ,  Donghun Nam ,  Jinseock Kim ,  Hyuntae Kim

IPC: H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K77/111 ,  H10K2102/311

Abstract: A display apparatus includes a substrate, a first insulating layer on the substrate, first metal layers on the first insulating layer and having a compressive stress or a tensile stress of about 100 megapascals (MPa) or less, and a second insulating layer including a first layer covering the first metal layers and a second layer including a material different from a material of the first layer.

公开(公告)号：US20230232662A1

公开(公告)日：2023-07-20

申请号：US17976301

申请日：2022-10-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Yoonah Choi ,  Donghun Nam

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56 ,  H01L51/52

CPC classification number: H01L27/3262 ,  H01L27/1225 ,  H01L51/56 ,  H01L27/3276 ,  H01L51/5253 ,  H01L2227/323

Abstract: A display apparatus includes a substrate, a first semiconductor layer disposed on the substrate, a second semiconductor layer disposed on the first semiconductor layer, an interlayer insulating layer disposed on the second semiconductor layer and including a plurality of inorganic insulating layers, a source electrode or a drain electrode disposed on the interlayer insulating layer and respectively connected to the first semiconductor layer or the second semiconductor layer, and an organic light emitting element connected to the source electrode or the drain electrode, where the plurality of inorganic insulating layers include an oxide layer, a first nitride layer disposed on the oxide layer and having a first density, and a second nitride layer disposed on the first nitride layer and having a second density lower than the first density.

公开(公告)号：US11380878B2

公开(公告)日：2022-07-05

申请号：US16866825

申请日：2020-05-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Woo Yong Sung

IPC: H01L51/56 ,  B41M5/00 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32

Abstract: A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.

公开(公告)号：US12238978B2

公开(公告)日：2025-02-25

申请号：US17521476

申请日：2021-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Inbae Kim ,  Donghun Nam ,  Changwoo Shim ,  Sumin An

IPC: H10K59/12 ,  H10K50/84 ,  H10K50/844 ,  H10K59/124 ,  H10K59/40 ,  G06F3/041 ,  H10K50/80 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/126 ,  H10K59/131 ,  H10K59/35 ,  H10K59/38 ,  H10K102/00

Abstract: Provided is a display device including a substrate, a semiconductor layer on the substrate, an interlayer insulating layer on the semiconductor layer, a source electrode or a drain electrode on the interlayer insulating layer, and connected to the semiconductor layer, an organic light-emitting diode connected to the source electrode or the drain electrode, and a thin film encapsulation layer on the organic light-emitting diode, wherein, a neutral plane corresponding to an impact applied to the thin film encapsulation layer is inside or below the interlayer insulating layer.

公开(公告)号：US12238960B2

公开(公告)日：2025-02-25

申请号：US18227346

申请日：2023-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Sooyoun Kim ,  Junghan Seo ,  Wooyong Sung ,  Seoyeon Lee ,  Hyoungsub Lee ,  Moonwon Chang ,  Seunggun Chae

IPC: H10K50/844 ,  H10K59/122 ,  H10K59/124

Abstract: A display panel includes a peripheral region adjacent to a display region. The display region includes a hole peripheral region, and a recessed region is overlapped with the hole peripheral region. The display panel also includes a barrier layer with a penetrating opening overlapped with the recessed region, a circuit layer on the barrier layer and including a transistor and insulating layers, and a device layer including an organic light emitting area coupled to the circuit layer. In addition, a module hole is overlapped with the hole peripheral region and penetrates the base substrate, and a first groove is overlapped with the hole peripheral region and corresponds to a portion of the base substrate that is recessed from a top surface of the barrier layer and that encloses the module hole. The insulating layers include inorganic layers and an organic layer having side portions enclosing the module hole.

公开(公告)号：US12075645B2

公开(公告)日：2024-08-27

申请号：US17050817

申请日：2018-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： Wooyong Sung ,  Sooyoun Kim ,  Seunghun Kim ,  Junghan Seo ,  Hyoungsub Lee ,  Moonwon Chang ,  Seunggun Chae ,  Wonwoo Choi

IPC: H10K50/844 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131

CPC classification number: H10K50/844 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131

Abstract: A display device includes: a substrate defining an opening and including a display area and a non-display area between the opening and display area, a pixel array including a plurality of pixels in the display area, each of the pixels having a pixel electrode, an opposite electrode facing the pixel electrode, and an intermediate layer between the pixel electrode and opposite electrode, a plurality of data lines bypassing the opening in the non-display area, first and second insulating layers, which cover the plurality of data lines, a conductive layer between the first and second insulating layers, and a thin film encapsulation layer covering the pixel array, the thin film encapsulation layer including at least one organic encapsulation layer and at least one inorganic encapsulation layer, and wherein, in the non-display area, a first groove is defined by the first insulating layer, the conductive layer, and the second insulating layer.

公开(公告)号：US20190051859A1

公开(公告)日：2019-02-14

申请号：US15922745

申请日：2018-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： Wonwoo Choi ,  Wooyong Sung ,  Seungho Yoon ,  Wonje Cho

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: A display panel includes: a base substrate including a front surface and a rear surface, and a display area and a periphery area adjacent to the display area when viewed in a plane; a pixel layer including a plurality of pixels in the display area; and a cover layer on the base substrate and including an inorganic material, and the base substrate includes: a module hole defined in the display area and passing through the front surface and the rear surface of the base substrate; and a blocking groove adjacent to the module hole and recessed from the front surface of the base substrate, and the cover layer includes a passing-through portion covering the front surface of the base substrate and overlapping the blocking groove.

公开(公告)号：US11844232B2

公开(公告)日：2023-12-12

申请号：US17351430

申请日：2021-06-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Sooyoun Kim ,  Junghan Seo ,  Wooyong Sung ,  Seoyeon Lee ,  Hyoungsub Lee ,  Moonwon Chang ,  Seunggun Chae

IPC: H10K50/844 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K50/844 ,  H10K59/122 ,  H10K59/124

Abstract: A display panel includes a peripheral region adjacent to a display region. The display region includes a hole peripheral region, and a recessed region is overlapped with the hole peripheral region. The display panel also includes a barrier layer with a penetrating opening overlapped with the recessed region, a circuit layer on the barrier layer and including a transistor and insulating layers, and a device layer including an organic light emitting area coupled to the circuit layer. In addition, a module hole is overlapped with the hole peripheral region and penetrates the base substrate, and a first groove is overlapped with the hole peripheral region and corresponds to a portion of the base substrate that is recessed from a top surface of the barrier layer and that encloses the module hole. The insulating layers include inorganic layers and an organic layer having side portions enclosing the module hole.

公开(公告)号：US11456440B2

公开(公告)日：2022-09-27

申请号：US17130762

申请日：2020-12-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong Sung ,  Wonwoo Choi ,  Sooyoun Kim ,  Junghan Seo ,  Seoyeon Lee ,  Hyoungsub Lee ,  Moonwon Chang ,  Seunggun Chae ,  Seungyong Song

IPC: H01L51/52 ,  G06F3/044 ,  G06F3/041 ,  H01L21/762 ,  H01L27/32 ,  H01L51/00

Abstract: A display device includes: a substrate that includes an opening and a display area that surrounds the opening; a plurality of grooves formed in the substrate between the opening and the display area; a display element layer on the substrate and that includes a plurality of display elements in the display area; a thin-film encapsulation layer disposed on the display element layer, the thin-film encapsulation layer including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer which are sequentially stacked; a planarization layer disposed over the plurality of grooves and that includes an organic insulating material, wherein the planarization layer is disposed over the second inorganic encapsulation layer, and the organic encapsulation layer is disposed below the second inorganic encapsulation layer.

公开(公告)号：US11424429B2

公开(公告)日：2022-08-23

申请号：US17106719

申请日：2020-11-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonwoo Choi ,  Wooyong Sung ,  Sooyoun Kim ,  Junghan Seo ,  Seoyeon Lee ,  Hyoungsub Lee ,  Moonwon Chang ,  Seunggun Chae

IPC: H01L29/04 ,  H01L51/52 ,  H01L27/32

Abstract: A display panel includes a plurality of display elements arranged in a display area, an opening, a multi-layer including a first layer and a second layer disposed on the first layer, and a groove. Each display element includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer. The display area surrounds the opening. The groove is located between the opening and the display area. The groove has an undercut cross-section that is concave in a thickness direction of the multi-layer, the second layer includes a pair of tips that protrude toward a center of the groove, and a length of each tip is less than about 2μm.