公开(公告)号：US11653525B2

公开(公告)日：2023-05-16

申请号：US17583493

申请日：2022-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Junghan Seo ,  Hyoungsub Lee ,  Wooyong Sung

IPC: G06F3/044 ,  G06F3/041 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L51/5253 ,  G06F3/0412 ,  G06F3/0444 ,  G06F3/0445 ,  H01L27/323 ,  H01L51/56

Abstract: A display panel including: a base substrate including first and second surfaces, a display region and a peripheral region; a pixel layer provided on the display region, the pixel layer including a plurality of pixels; a module hole penetrating the display region; a blocking groove in the display region and adjacent to the module hole, the blocking groove being recessed in the base substrate; an encapsulation layer provided on the pixel layer, the encapsulation layer including a first inorganic layer, a second inorganic layer and an organic layer; and a filling member in the blocking groove, the filling member including a same material as the organic layer, wherein the second inorganic layer covers a top surface of the filling member and a top surface of the first inorganic layer adjacent to the top surface of the filling member.

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.

公开(公告)号：US11335762B2

公开(公告)日：2022-05-17

申请号：US16989253

申请日：2020-08-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong Sung ,  Junghan Seo ,  Kwanhyuck Yoon ,  Sooyoun Kim ,  Jongki Kim ,  Seungho Yoon ,  Heeyeon Lee ,  Moonwon Chang

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel circuit unit which is disposed on the substrate and having a first hole, a light blocking layer which is disposed on the pixel circuit unit and having a second hole corresponding to the first hole, a light emitting layer disposed on the pixel circuit unit, and a sealing unit on the light blocking layer. The substrate includes a first layer having a depression corresponding to the first hole, and a second layer which is disposed between the first layer and the pixel circuit unit and having a third hole between the depression and the second hole. The sealing unit includes a cover portion on the light blocking layer, and an extension portion extending from the cover portion. The depression has a width larger than a width of the third hole.

公开(公告)号：US10454067B2

公开(公告)日：2019-10-22

申请号：US16022420

申请日：2018-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Junghan Seo ,  Wooyong Sung

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

Abstract: A display panel includes a base substrate including a front surface and a rear surface and having first and second holes, and a pixel layer on the base substrate. A display area is defined in the front surface. The first hole overlaps with the display area and penetrates the front and rear surfaces. The second hole overlaps with the display area, is adjacent to the first hole, and is recessed from the front surface. The base substrate includes a first base layer including the rear surface, a first barrier layer on the first base layer and including first inorganic films having a first refractive index, and second inorganic films having a second refractive index, a second base layer on the first barrier layer, and a second barrier layer on the second base layer and including the front surface. The first and second inorganic films are alternately stacked.

公开(公告)号：US20190148672A1

公开(公告)日：2019-05-16

申请号：US16022420

申请日：2018-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Junghan Seo ,  Wooyong Sung

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

CPC classification number: H01L51/5256 ,  H01L27/3244 ,  H01L27/3251 ,  H01L51/0097 ,  H01L51/5237 ,  H01L51/5271 ,  H01L2251/301 ,  H01L2251/303 ,  H01L2251/5338 ,  H01L2251/558

Abstract: A display panel includes a base substrate including a front surface and a rear surface and having first and second holes, and a pixel layer on the base substrate. A display area is defined in the front surface. The first hole overlaps with the display area and penetrates the front and rear surfaces. The second hole overlaps with the display area, is adjacent to the first hole, and is recessed from the front surface. The base substrate includes a first base layer including the rear surface, a first barrier layer on the first base layer and including first inorganic films having a first refractive index, and second inorganic films having a second refractive index, a second base layer on the first barrier layer, and a second barrier layer on the second base layer and including the front surface. The first and second inorganic films are alternately stacked.

公开(公告)号：US12250852B2

公开(公告)日：2025-03-11

申请号：US18337370

申请日：2023-06-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyoungsub Lee ,  Wooyong Sung ,  Junghan Seo

IPC: H10K59/122 ,  G06F1/16 ,  H01L27/12 ,  H10K50/805 ,  H10K50/84

Abstract: A display apparatus includes a thin film transistor disposed in a display area of a substrate and a display device in the display area that is electrically connected to the thin film transistor, an encapsulation layer that protects the display device, at least one through portion formed in the display area that vertically penetrates the substrate and a plurality of layers stacked on the substrate, and a first groove and a second groove that are spaced apart from each other and that surround the at least one through portion. A flow-restriction portion is disposed in a region between the first groove and the second groove that protrudes upwards from the substrate and confines an organic encapsulation layer of the encapsulation 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：US12010866B2

公开(公告)日：2024-06-11

申请号：US17256826

申请日：2019-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoungsub Lee ,  Junghan Seo ,  Woo Yong Sung

IPC: H10K50/844 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K77/10

CPC classification number: H10K50/844 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K77/10 ,  H10K59/1201

Abstract: A display panel includes a base substrate, in which a hole area, an active area surrounding the hole area, and a peripheral area adjacent to the active area are defined, a circuit layer including a first circuit insulating layer on the base substrate, a second circuit insulating layer on the first circuit insulating layer, and a thin film transistor on the active area, a display layer including a first display insulating layer on the circuit layer, a second display insulating layer on the first display insulating layer, and a light emitting element on the active area and connected to the thin film transistor, a guide pattern on the circuit layer between the light emitting element and the groove part, and an encapsulation layer which covers the light emitting element and including first and second inorganic layers and an organic layer. The organic layer covers at least a portion of the guide pattern.