公开(公告)号：US20230157103A1

公开(公告)日：2023-05-18

申请号：US17944313

申请日：2022-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Woo Cheol PARK ,  Kwan Hyuck YOON ,  Hye Kyun LEE

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3276 ,  H01L51/5256 ,  H01L51/5275 ,  H01L27/323

Abstract: A display device includes: a substrate including a first display area, a second display area including a light-transmitting part, and a third display area between the first and second display areas; a first subpixel including a first TFT on the first display area and a first light-emitting element on and electrically connected to the first TFT; a second subpixel including a second TFT on the third display area and a second light-emitting element, which is on the second display area and does not overlap with the second TFT in a plan view; a thin-film encapsulation layer on the first and second subpixels,; and a first transparent conductive layer between the second TFT and the second light-emitting element to electrically connect the second TFT and the second light-emitting element. The thin-film encapsulation layer has a refractive index of about 1.5 to about 1.7.

公开(公告)号：US20210249613A1

公开(公告)日：2021-08-12

申请号：US16995919

申请日：2020-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Seung Wook KWON ,  Jeong Seok LEE ,  Chan Ho MOON ,  Woo Yong SUNG

IPC: H01L51/00 ,  H01L51/52

Abstract: A display device includes a display panel including a main area, a bending area at which the display panel is bendable, and a sub area, in order. The main area includes a display area and a non-display area which is adjacent to the display area. The bending area connects the sub area to the main area at the non-display area thereof, and is recessed from outer side surfaces of the main area and the sub area, to define a recess portion of the display panel at the bending area.

公开(公告)号：US20210016461A1

公开(公告)日：2021-01-21

申请号：US16881329

申请日：2020-05-22

Applicant: Samsung Display Co., LTD.

Inventor： Seung Wook KWON ,  Chan Ho MOON ,  Jeong Seok LEE

IPC: B26D1/04 ,  H01L51/56 ,  G06F1/16 ,  G09F9/30 ,  G02B1/14

Abstract: A method of manufacturing a display device includes providing a display panel including a folding area at which the display panel is foldable, and a flat area which is adjacent to the folding area; providing a protective film on both the flat area and the folding area of the display panel; removing a portion of the protective film which corresponds to the folding area, from the display panel, to expose the folding area outside a remaining portion of the protective film, where the remaining portion of the protective film defines a bump of the protective film at a portion of the flat area which is closest to the folding area; and removing a portion of the bump from the portion of the flat area.

公开(公告)号：US20190248702A1

公开(公告)日：2019-08-15

申请号：US16162321

申请日：2018-10-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hoi Kwan LEE ,  Sung Hoon KIM ,  Seung Ho KIM ,  Sook Kyung YOU ,  An Na RYU ,  Jeong Seok LEE

IPC: C03C21/00 ,  C03C15/00 ,  C03C19/00 ,  C03C3/04 ,  B32B17/10

CPC classification number: C03C21/002 ,  B24B1/00 ,  B32B17/10128 ,  C03C3/04 ,  C03C15/00 ,  C03C19/00

Abstract: A method for producing a glass article is provided. The method for producing a glass article, the method including preparing a glass to be processed, the glass comprising a glass bulk and a low-refractive surface layer disposed on the glass bulk, and etching away the low-refractive surface layer to form an etched glass, wherein the etching away the low-refractive surface layer comprises: cleaning the low-refractive surface layer with an acid solution; and cleaning the low-refractive surface layer with a base solution after the cleaning it with the acid solution.

公开(公告)号：US20250048841A1

公开(公告)日：2025-02-06

申请号：US18607429

申请日：2024-03-16

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Woo Yong SUNG ,  Hee Jun YANG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38 ,  H10K59/40 ,  H10K59/80

Abstract: A display device includes: a substrate including an emission area and a non-emission area; a pixel electrode located on the emission area of the substrate; a pixel defining layer located on the pixel electrode, overlapping the non-emission area, and defining a first opening therein; a bank structure located on the pixel defining layer and defining a second opening therein; an auxiliary electrode located on the bank structure and including a conductive material; and a common electrode located on the pixel electrode and contacting the auxiliary electrode in the second opening, where the bank structure includes a first bank layer and a second bank layer, which includes different conductive materials from each other, the second bank layer includes a tip protruding toward the first opening from a side surface of the first bank layer, and the auxiliary electrode completely covers the protruding tip of the second bank layer.

公开(公告)号：US20250040414A1

公开(公告)日：2025-01-30

申请号：US18656946

申请日：2024-05-07

Applicant: Samsung Display Co., LTD.

Inventor： Chae Kyeong LEE ,  Won Jong BAEK ,  Jeong Seok LEE

IPC: H10K59/80 ,  G02F1/1335

Abstract: A cover layer for a display device, the cover layer including a sapphire substrate; a first cover layer disposed on the sapphire substrate, the first cover layer including MgF2, the first cover layer having a thickness in a range of about 16 nm to about 26 nm; a second cover layer disposed on the first cover layer, the second cover layer including Si9Al2O10, the second cover layer having a thickness in a range of about 45 nm to about 70 nm; and a third cover layer disposed on the second cover layer, the third cover layer including perfluorinated polyether (PEPE), the third cover layer having a thickness in a range of about 10 nm to about 45 nm.

公开(公告)号：US20250031552A1

公开(公告)日：2025-01-23

申请号：US18584297

申请日：2024-02-22

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Woo Yong SUNG ,  Hee Jun YANG ,  Seung Yong SONG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

Abstract: A display device includes a first pixel electrode disposed on a substrate; a pixel defining layer disposed on the substrate and exposing the first pixel electrode; a first light emitting layer disposed on the first pixel electrode; a first common electrode disposed on the first light emitting layer; a first bank layer disposed on the pixel defining layer; a second bank layer disposed on the first bank layer and having side surfaces protruding more than side surfaces of the first bank layer; a first inorganic layer disposed on the first common electrode and the second bank layer and spaced apart from an upper surface of the second bank layer; and a first filler disposed between the second bank layer and the first inorganic layer and including a material different from a material of the first light emitting layer.

公开(公告)号：US20240423022A1

公开(公告)日：2024-12-19

申请号：US18430671

申请日：2024-02-02

Applicant: Samsung Display Co., LTD.

Inventor： Hee Jun YANG ,  Woo Yong SUNG ,  Jeong Seok LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/124 ,  H10K71/60

Abstract: A display device comprises a first pixel electrode disposed on a substrate in a first emission area, a second pixel electrode disposed on the substrate in a second emission area, an insulating layer covering edges of an upper surface of each of the first and second pixel electrodes, a first light emitting layer disposed on the first pixel electrode and the insulating layer, a first common electrode disposed on the first light emitting layer, a first bank disposed on the insulating layer, a second bank disposed on the first bank and including tips that protrude from side surfaces of the first bank toward each of the first and second emission areas, a first residual inorganic layer disposed on lower surfaces of the tips of the second bank adjacent to the second emission area, and a first oxide layer covering a lower surface of the first residual inorganic layer.

公开(公告)号：US20240237486A9

公开(公告)日：2024-07-11

申请号：US18224734

申请日：2023-07-21

Applicant: Samsung Display Co., LTD.

Inventor： Woo Yong SUNG ,  Seung Yong SONG ,  Jeong Seok LEE

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K71/20

CPC classification number: H10K59/873 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/131 ,  H10K71/231

Abstract: A display device includes a substrate including a display area and a non-display area; a light-emitting array layer; an encapsulation structure; pads disposed in a pad area which is a part of the non-display area on the substrate; a dam structure disposed in the non-display area on the substrate and surrounding an edge of the display area; an encapsulation auxiliary structure corresponding to another part of the non-display area except the pad area, surrounding a part of an edge of the display area, and disposed between the dam structure and an edge of the substrate; and a first multilayer disposed between the substrate and each of the dam structure and the encapsulation auxiliary structure, and including an undercut structure by two or more different metal materials which are stacked.

公开(公告)号：US20220029129A1

公开(公告)日：2022-01-27

申请号：US17336873

申请日：2021-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Seung Wook KWON ,  Jae Sik KIM ,  Woo Yong SUNG ,  Seo Yeon LEE ,  Ung-Soo LEE ,  Se Hoon JEONG ,  Seung Gun CHAE ,  Seung-Yeon CHAE

IPC: H01L51/52 ,  H01L51/00

Abstract: A display device includes a substrate and a protection film disposed on a rear side of the substrate. The substrate includes a first portion including a display area and having a first width, and a second portion extending from the first portion and having a second width narrower than the first width. The protection film includes a cavity at a border portion of the first portion and the second portion of the substrate.