公开(公告)号：US20230189552A1

公开(公告)日：2023-06-15

申请号：US18071150

申请日：2022-11-29

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Woo Yong SUNG

IPC: H01L29/205 ,  G06F3/041 ,  G06F3/044 ,  G09G3/3233

CPC classification number: H01L51/5253 ,  G06F3/0412 ,  G06F3/0446 ,  G06F3/04164 ,  H01L27/3246 ,  G09G3/3233 ,  G09G2300/0842 ,  H01L27/323

Abstract: A display panel includes a first dam structure disposed in a first surrounding area in contact with one side of a display area in a non-display area, a second dam structure disposed in a second surrounding area in contact with another side of the display area in the non-display area and having a same thickness as the first dam structure, and a sealing structure covering an emitting array. A second sealing layer of the sealing structure includes a first side portion corresponding to the first dam structure and having a cross section with a first curvature and a second side portion corresponding to the second dam structure and having a cross section with a second curvature greater than the first curvature.

公开(公告)号：US20230083430A1

公开(公告)日：2023-03-16

申请号：US17745271

申请日：2022-05-16

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Hee Chang YOON ,  Hyoung Sub LEE ,  Hye Min LEE ,  Woo Yong SUNG ,  Seung Yong SONG

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

Abstract: A display device includes a substrate which includes a base part and a protruding pattern which protrudes from the base part, a pixel electrode which is on the protruding pattern, a pixel defining layer which is d on the pixel electrode and exposes the pixel electrode, a light emitting layer which is on the pixel electrode exposed by the pixel defining layer, a common electrode which is on the light emitting layer, a first inorganic encapsulation layer which is on the common electrode, a second inorganic encapsulation layer which is on the first inorganic encapsulation layer, and an overcoat layer which is on the second inorganic encapsulation layer. The pixel defining layer defines a light emitting area, and the first inorganic encapsulation layer and the second inorganic encapsulation layer are in direct contact with each other in the light emitting area.

公开(公告)号：US20240097088A1

公开(公告)日：2024-03-21

申请号：US18458816

申请日：2023-08-30

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Seung Wook KWON ,  Hee Chang YOON ,  Hye Min LEE

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  G09G2300/026 ,  G09G2310/0216

Abstract: A backplane substrate, a display device, and a tiled display device are provided. The backplane substrate of a display device includes subpixels. The backplane substrate includes a support substrate, a circuit layer on a first surface of the support substrate and including pixel drivers corresponding to the subpixels, respectively, an electrode layer on the circuit layer and including an anode and a cathode corresponding to an emission area of each of the subpixels, a bank layer on the circuit layer and corresponding to an area around the emission area of each of the subpixels, and a valley spaced from edges of the support substrate and penetrating at least the bank layer.

公开(公告)号：US20230133488A1

公开(公告)日：2023-05-04

申请号：US17962013

申请日：2022-10-07

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Kwan Hyuck YOON ,  Hye Min LEE

IPC: H01L51/52 ,  H01L51/56

Abstract: A display device includes a substrate including a display area and a non-display area surrounding the display area, a plurality of pixels on the substrate in the display area, a first encapsulation layer on the substrate to cover the pixels and including an inorganic material, a second encapsulation layer on the first encapsulation layer and including an organic material, and a third encapsulation layer on the second encapsulation layer and including an inorganic material. An edge of the second encapsulation layer is located in the non-display area, edges of the first encapsulation layer and the third encapsulation layer are located more to an outside than the edge of the second encapsulation layer is. The first encapsulation layer includes a first area and a second area located more to the outside than the first area and having a surface roughness smaller than a surface roughness of the first area.

公开(公告)号：US20220123256A1

公开(公告)日：2022-04-21

申请号：US17322956

申请日：2021-05-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Ho HYUN ,  Hyoung Sub LEE ,  Hye Min LEE ,  Woo Yong SUNG

IPC: H01L51/52

Abstract: A display device includes: a substrate including a display area, the display area including a front area and a corner area disposed at a corner of the display area; a main dam disposed between the front area and the corner area; and a plurality of corner dams disposed in the corner area. The corner area may include a plurality of stripe areas defined by the plurality of corner dams. The plurality of corner dams extend from the main dam and is disposed along an edge of the plurality of stripe areas.

公开(公告)号：US20230402436A1

公开(公告)日：2023-12-14

申请号：US18328875

申请日：2023-06-05

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Oh June KWON ,  Woo Yong SUNG

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/38 ,  H01L25/16

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L33/382 ,  H01L25/167

Abstract: A display device may include light emitting elements disposed on a first surface of a substrate, a connection electrode disposed on a second surface of the substrate, and a via layer disposed on the connection electrode, and including at least one depression. The passivation layer may be disposed in the depression of the via layer.

公开(公告)号：US20230326935A1

公开(公告)日：2023-10-12

申请号：US18192161

申请日：2023-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Woo Yong SUNG

IPC: H01L27/12 ,  H01L33/62 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L27/1248 ,  H01L27/1292 ,  H01L33/62 ,  H01L24/05 ,  H01L25/167 ,  H01L2224/08145 ,  H01L2224/06181 ,  H01L2224/05573 ,  H01L24/16 ,  H01L24/06 ,  H01L24/08 ,  H01L2224/05572 ,  H01L27/124 ,  H01L2924/12041 ,  H01L2224/16225

Abstract: The display device includes light emitting elements disposed on a first surface of a substrate, a connection electrode disposed on a second surface of the substrate, a first protective layer disposed on the connection electrode, and a second protective layer disposed on the first protective layer. A surface roughness of the second protective layer is greater than a surface roughness of the first protective layer.

公开(公告)号：US20230008148A1

公开(公告)日：2023-01-12

申请号：US17851949

申请日：2022-06-28

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho HYUN ,  Hee Chang YOON ,  Hyoung Sub LEE ,  Hye Min LEE ,  Oh June KWON ,  Woo Yong SUNG

IPC: H01L27/32 ,  G06F3/041 ,  G06F3/044

Abstract: A display device comprises a substrate; a first electrode on the substrate; a bank layer on the substrate and comprising an opening exposing the first electrode; a spacer on the bank layer and having a first thickness; a protrusion on the bank layer, spaced apart from the spacer, and having a second thickness smaller than the first thickness; and an emissive layer on the first electrode exposed by the bank layer, wherein the protrusion comprises a first protrusion pattern and a second protrusion pattern spaced apart from the first protrusion pattern with a valley hole therebetween.