公开(公告)号：US12207531B2

公开(公告)日：2025-01-21

申请号：US17506163

申请日：2021-10-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seungbae Kang ,  Heesung Yang ,  Byoungkwon Choo ,  Woojin Cho

IPC: H10K71/00 ,  H10K59/12 ,  H10K59/131

Abstract: The method of manufacturing a display device includes preparing a substrate having a first and second area surrounding a portion of the first area, forming a semiconductor layer in the first area, forming a first insulating layer covering the semiconductor layer, forming a gate electrode layer that at least partially overlaps the semiconductor layer, forming a pad electrode layer in the second area, forming a second insulating layer covering the gate electrode layer, forming contact holes that at least partially expose the semiconductor layer and the gate electrode layer, and forming a conductive layer positioned in the contact holes and including a first and second layer. The forming of the conductive layer includes forming a first layer material and a second layer material, and removing a portion of the first layer material and a portion of the second layer material to expose the second insulating layer.

公开(公告)号：US20240324304A1

公开(公告)日：2024-09-26

申请号：US18504162

申请日：2023-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Youngrok Kim ,  Woojin Cho ,  Joonhwa Bae ,  Sukyeong Shin ,  Heesung Yang

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display apparatus includes an organic insulating layer located on a substrate, and including a first opening, a second opening, and a third opening, a first pixel electrode and a second pixel electrode located on the organic insulating layer and respectively disposed in the first opening and the second opening, a pixel-defining film located on the organic insulating layer and protruding toward the third opening beyond the organic insulating layer, a first intermediate layer and a second intermediate layer respectively located on the first pixel electrode and the second pixel electrode, and a counter electrode located on the first intermediate layer and the second intermediate layer.

公开(公告)号：US12090601B2

公开(公告)日：2024-09-17

申请号：US17711239

申请日：2022-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Junggun Nam ,  Seungik Kang ,  Seungbae Kang ,  Pungseok Kim ,  Heesung Yang ,  Keunwoo Lee ,  Woojin Cho ,  Byoungkwon Choo

IPC: B24B37/07 ,  B24B37/20 ,  B32B38/00

CPC classification number: B24B37/07 ,  B32B38/0012 ,  B24B37/20 ,  B32B2038/0064 ,  B32B2457/20

Abstract: An apparatus for manufacturing a display device includes a moving part including a belt that circulates, a roller that circulates the belt, and at least one meandering prevention portion that moves in a first direction parallel to a direction of a rotation shaft of the roller and prevents meandering of the belt, and a polishing head disposed corresponding to the moving part, the polishing head polishing a surface of a base material disposed on a first surface of the belt. A part of the at least one meandering prevention portion faces a second surface of the belt, the second surface being a side surface of the belt.

公开(公告)号：US20230395365A1

公开(公告)日：2023-12-07

申请号：US18205370

申请日：2023-06-02

Applicant: Samsung Display Co., Ltd. ,  TES Co., Ltd ,  LTC Co., Ltd

Inventor： Gugrae Jo ,  Hyoungsik Kim ,  Woojin Cho ,  Jongsoon Lee ,  Hongjae Lee ,  Kyusang Kim ,  Seonjeong Kim ,  Heejeon Ma ,  Wonil Park ,  Kicheon Byun ,  Woojin Lee

IPC: H01L21/02 ,  H10K59/12 ,  H01L27/12 ,  B08B7/00 ,  B08B7/04 ,  B08B13/00 ,  B08B5/00

CPC classification number: H01L21/02049 ,  H10K59/1201 ,  H01L27/1262 ,  B08B5/00 ,  B08B7/0071 ,  B08B7/04 ,  B08B13/00 ,  B08B7/0014

Abstract: A method of manufacturing a display apparatus, the method includes removing an oxide layer formed on a surface of a substrate by utilizing a hydrofluoric acid gas and an ammonia gas, and thermally treating the substrate from which the oxide layer has been removed. A flow ratio between the hydrofluoric acid gas and the ammonia gas is about 0.8:1 to about 1:1.

公开(公告)号：US11276831B2

公开(公告)日：2022-03-15

申请号：US16578408

申请日：2019-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Heekyun Shin ,  Byunghoon Kang ,  Youngjun Kim ,  Sumin An ,  Woojin Cho ,  Seungjun Moon ,  Jeongmin Park ,  Dongkyun Seo ,  Junho Sim

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/56 ,  B32B7/14 ,  B32B37/12 ,  B32B37/24 ,  B32B38/00 ,  C09J9/02 ,  C09J179/02 ,  H01L51/52

Abstract: A method of manufacturing a flexible display apparatus includes: preparing a substrate; forming a first charge adhesive layer having a first charge on the substrate; forming a second charge adhesive layer having a second charge, which is opposite to the first charge, on the first charge adhesive layer; forming a first charge adhesive pattern and a second charge adhesive pattern by removing an edge of each of the first charge adhesive layer and the second charge adhesive layer; forming a flexible substrate on the substrate on which the first charge adhesive pattern and the second charge adhesive pattern are formed; forming a display unit on the flexible substrate; cutting the substrate, the first charge adhesive pattern, the second charge adhesive pattern, the flexible substrate, and the display unit along a cutting line; and separating the substrate and the flexible substrate.

公开(公告)号：US11203703B2

公开(公告)日：2021-12-21

申请号：US16247730

申请日：2019-01-15

Applicant: SAMSUNG DISPLAY CO., LTD. ,  UBmaterials Inc.

Inventor： Hyunjin Cho ,  Joonhwa Bae ,  Byoungkwon Choo ,  Woojin Cho ,  Jinhyung Park

IPC: H01L21/321 ,  H01L21/3105 ,  H01L21/306 ,  H01L21/302 ,  C09K3/14 ,  C09G1/04 ,  C09G1/02 ,  C09G1/00 ,  B24B37/04

Abstract: A polishing slurry includes an abrasive material, a first oxide polishing promoter, a first nitride polishing inhibitor, and a second nitride polishing inhibitor. The first oxide polishing promoter includes a polymer-based oxide polishing promoter. The first nitride polishing inhibitor includes an anionic nitride polishing inhibitor. The second nitride polishing inhibitor includes at least one selected from a cationic nitride polishing inhibitor and a non-ionic nitride polishing inhibitor.

公开(公告)号：US11135752B2

公开(公告)日：2021-10-05

申请号：US15863085

申请日：2018-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunseung Seo ,  Jonghwan Cho ,  Woojin Cho

IPC: B29C45/26 ,  B29C45/03 ,  H05K5/00 ,  H05K5/03 ,  B29C45/00 ,  B29C45/33 ,  B29C45/44 ,  B29L31/00

Abstract: A window molding apparatus includes an upper mold, a lower mold under the upper mold, and a side mold under the upper mold and adjacent to at least one side of the lower mold. The upper mold includes a first surface, the lower mold includes a second surface having a portion facing the first surface, and the side mold includes a third surface. The first surface includes a first flat surface and a first bent surface extending from the first flat surface, the second surface includes a second flat surface facing the first flat surface and a second bent surface extending from the second flat surface, and the third surface includes a third bent surface contacting one end of the first bent surface and facing the second bent surface.

公开(公告)号：US10553795B2

公开(公告)日：2020-02-04

申请号：US16128711

申请日：2018-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Byunghoon Kang ,  Seungjun Moon ,  Heekyun Shin ,  Minwoo Lee ,  Woojin Cho

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  B32B43/00 ,  H01L51/56

Abstract: A method of manufacturing a flexible display apparatus includes forming a flexible substrate on a carrier substrate, forming a display on a central portion of the flexible substrate, forming a protection layer covering the display, within an area of the flexible substrate, such that an edge portion of the flexible substrate is exposed outside of the protection layer, cutting a first edge portion of the flexible substrate that is exposed outside of the protection layer, except for a second remaining portion of the flexible substrate that is exposed outside of the protection layer, applying suction to the second portion of the flexible substrate, and separating the carrier substrate from the flexible substrate.

公开(公告)号：US10318789B2

公开(公告)日：2019-06-11

申请号：US15475989

申请日：2017-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongwoo Park ,  Mingu Kim ,  Woojin Cho ,  Seungho Kim ,  Jongin Baek ,  Heekyun Shin ,  Hyunjoon Oh ,  Junhyuk Cheon

IPC: G06K9/20 ,  G06K9/00 ,  C03C17/02 ,  C03C17/23

Abstract: A display device includes a display panel, a fingerprint recognition sensor on the display panel, and a cover glass on the fingerprint recognition sensor. The cover glass is defined with at least one groove on a surface that faces the display panel.