公开(公告)号：US11950458B2

公开(公告)日：2024-04-02

申请号：US17486164

申请日：2021-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： In Kyung Yoo ,  Donghyun Yang ,  SungBae Ju

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K50/86 ,  H10K59/124 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/818 ,  H10K50/865 ,  H10K59/124 ,  H10K59/1201

Abstract: A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.

公开(公告)号：US11527522B2

公开(公告)日：2022-12-13

申请号：US17349433

申请日：2021-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Park ,  Heena Kim ,  Youngseok Baek ,  Donghyun Yang

IPC: H01L25/16 ,  H01L27/12

Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

公开(公告)号：US11088349B2

公开(公告)日：2021-08-10

申请号：US16587489

申请日：2019-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Donghyun Yang ,  Inkyung Yoo ,  Sungbae Ju

IPC: H01L51/52 ,  H01L27/32 ,  G06F3/041 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/3233

Abstract: A display module includes a base substrate including an upper surface where a display area and a non-display area are defined, a lower surface, and a plurality of side surfaces, a circuit element layer including a planarization layer, a pixel defining layer defining an opening portion that overlaps the display area and exposes a portion of the planarization layer, a display element layer including a first electrode disposed on the planarization layer exposed by the opening part, a light emitting layer, and a second electrode, and a sealing layer disposed on the display element layer. A dam hole is defined, which is adjacent to an edge where two side surfaces of the side surfaces are connected in a plan view of the base substrate, overlaps the non-display area, and penetrates at least one of the planarization layer and the pixel defining layer.

公开(公告)号：US11515502B2

公开(公告)日：2022-11-29

申请号：US17094864

申请日：2020-11-11

Applicant: Samsung Display Co., LTD.

Inventor： Donghyun Yang

IPC: G06F1/16 ,  H01L51/52 ,  H01L27/32

Abstract: A display device includes a display panel including a folding area at which the display device is foldable and unfoldable; a first casing and a second casing arranged in a first direction along the display panel, the first casing and the second casing spaced apart from each other at the folding area; a third casing between the first casing and the second casing along the first direction, the third casing corresponding to the folding area; and a cover facing the display panel with the third casing therebetween, the cover connected to each of the first casing and the second casing. Folding and unfolding of the display device respectively includes extension of the cover from of the first casing and retraction of the cover into the first casing.

公开(公告)号：US11088198B2

公开(公告)日：2021-08-10

申请号：US16508447

申请日：2019-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Donghyun Yang ,  Inkyung Yoo ,  Sungbae Ju

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/44 ,  H01L33/40 ,  H01L33/60 ,  H01L33/10

Abstract: Provided is a display device including a pixel circuit, a first insulation layer covering the pixel circuit, a first barrier disposed on the first insulation layer and extending in a first direction, a second barrier separated from the first barrier and extending in the first direction and spaced apart from the first barrier layer in a second direction substantially perpendicular to the first direction, a first electrode disposed on the first barrier and electrically connected to the pixel circuit, a second electrode disposed on the second barrier and separated from the first electrode, a second insulation layer disposed on the first electrode and the second electrode with a rubbing groove provided therein in the second direction, and a light emitting element aligned along the rubbing groove on the second insulation layer and electrically connected to the first electrode and the second electrode.

公开(公告)号：US20240303020A1

公开(公告)日：2024-09-12

申请号：US18537565

申请日：2023-12-12

Applicant: Samsung Display Co., Ltd.

Inventor： Donghyun Yang ,  Euisuk Jung

IPC: G06F3/14 ,  G09G3/3225

CPC classification number: G06F3/1446 ,  G09G3/3225 ,  G09G2300/026

Abstract: A display device includes a plurality of display panel tiles, each including a display area including a plurality of pixels and a peripheral area around the display area, each one of the plurality of display panel tiles including a display element in the display area; a thin-film encapsulation layer covering the display element; a first insulating layer arranged on the thin-film encapsulation layer and having an opening partially overlapping a pixel of the plurality of pixels at an outermost part of the display area; a second insulating layer filling the opening of the first insulating layer; and a refractive film on the first insulating layer in the peripheral area.

公开(公告)号：US11594681B2

公开(公告)日：2023-02-28

申请号：US17703195

申请日：2022-03-24

Applicant: Samsung Display Co., Ltd.

Inventor： Inkyung Yoo ,  Sangjin Park ,  Donghyun Yang ,  Sungbae Ju

IPC: H01L51/00 ,  H01L51/56

Abstract: A method for manufacturing a mask includes providing a mask mother substrate including a first portion and a plurality of second portions adjacent to the first portion, forming a reflecting plate on the mask mother substrate, forming a photoresist layer on the reflecting plate, removing a third portion of the photoresist layer that overlaps the plurality of second portions using an auxiliary mask, removing a fourth portion of the reflecting plate that overlaps the plurality of second portions, and removing the plurality of second portions of the mask mother substrate using a laser.

公开(公告)号：US11545476B2

公开(公告)日：2023-01-03

申请号：US17370523

申请日：2021-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Park ,  Heena Kim ,  Youngseok Baek ,  Donghyun Yang

IPC: H01L25/16 ,  H01L27/12

Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

公开(公告)号：US11152437B2

公开(公告)日：2021-10-19

申请号：US16420930

申请日：2019-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Kyung Yoo ,  Donghyun Yang ,  SungBae Ju

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.

公开(公告)号：US11877467B2

公开(公告)日：2024-01-16

申请号：US17878473

申请日：2022-08-01

Applicant: Samsung Display Co., Ltd.

Inventor： Donghyun Yang

IPC: G06F1/16 ,  H10K50/84 ,  H10K59/122 ,  H10K102/00

CPC classification number: H10K50/84 ,  G06F1/1641 ,  G06F1/1681 ,  H10K59/122 ,  H10K2102/311

Abstract: A display device includes a foldable display panel, a cover portion where the foldable display panel is disposed, the cover portion overlapping the foldable display panel, a hinge portion including a hinge structure connected to the cover portion to allow the cover portion to be foldable, and a hinge cover where the hinge structure is disposed, and a protection portion connected to the hinge portion and shielding an exposed side surface between the cover portion and the hinge portion.