公开(公告)号：US20240251593A1

公开(公告)日：2024-07-25

申请号：US18438859

申请日：2024-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyeonbum LEE

IPC: H10K50/86 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123 ,  H10K59/35

CPC classification number: H10K50/86 ,  H10K50/813 ,  H10K50/818 ,  H10K59/123 ,  H10K59/35

Abstract: A display device, includes: a substrate; a first thin film transistor and a second thin film transistor disposed on the substrate; a via insulating layer disposed on the substrate, wherein the via insulating layer includes a first contact hole and a second contact hole, wherein the first contact hole exposes a portion of the first thin film transistor, and the second contact hole exposes a portion of the second thin film transistor; a first pixel structure disposed on the via insulating layer, wherein the first pixel structure overlaps the first thin film transistor, and includes a first lower electrode; and a second pixel structure spaced apart from the first pixel structure, wherein the second pixel structure overlaps the second thin film transistor, and includes a second lower electrode having a shape different from a shape of the first lower electrode.

公开(公告)号：US20210225987A1

公开(公告)日：2021-07-22

申请号：US17001907

申请日：2020-08-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyeonbum LEE

IPC: H01L27/32

Abstract: A display apparatus including: a first thin-film transistor and a second thin-film transistor on a substrate, wherein the first thin-film transistor includes a first electrode layer, and the second thin-film transistor includes a second electrode layer; an insulating layer having a first contact hole and a second contact hole respectively exposing the first electrode layer and the second electrode layer; a first pixel electrode connected to the first thin-film transistor through the first contact hole; and a second pixel electrode connected to the second thin-film transistor through the second contact hole. A top surface of the first pixel electrode overlapping the first electrode layer in the first contact hole has a first step facing a first direction, and a top surface of the second pixel electrode overlapping the second electrode layer in the second contact hole has a second step facing a second direction opposite to the first direction.

公开(公告)号：US20190221767A1

公开(公告)日：2019-07-18

申请号：US16242232

申请日：2019-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Dongki LEE ,  Hyeonbum LEE

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5206 ,  H01L27/322 ,  H01L27/3246 ,  H01L27/3272 ,  H01L51/5012 ,  H01L51/5221 ,  H01L51/5256

Abstract: An organic light-emitting display device includes a pixel electrode, an emission layer on the pixel electrode, an opposing electrode covering the emission layer, a plurality of upper layers on the opposing electrode, light-shielding elements on the upper layers, and a color filter layer on the upper layers. The light-shielding elements include first light-shielding layers and second light-shielding layers. The first light-shielding layers include first materials, and the second light-shielding layers include second materials different from the first materials. The second light-shielding layers overlay the first light-shielding layers.

公开(公告)号：US20230200147A1

公开(公告)日：2023-06-22

申请号：US18097476

申请日：2023-01-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE ,  Jinwhan Jung

IPC: H10K59/123 ,  H10K50/86 ,  H10K59/122

CPC classification number: H10K59/123 ,  H10K50/865 ,  H10K59/122 ,  H10K59/38

Abstract: A display apparatus includes first and second subpixel electrodes on a planarization layer including first and second via holes. The first subpixel includes a first pixel definition layer including a first opening exposing a portion of a first pixel electrode corresponding to a first emission portion. The first pixel electrode is connected to a first pixel circuit through the first via hole. The second subpixel includes a second pixel definition layer including a second opening exposing a portion of a second pixel electrode corresponding to a second emission portion. The second pixel electrode is connected to a second pixel circuit through the second via hole. A second distance defined as a shortest distance from an inner surface of the second opening to the second via hole is greater than a first distance defined as a shortest distance from an inner surface of the first opening to the first via hole.

公开(公告)号：US20220407038A1

公开(公告)日：2022-12-22

申请号：US17540728

申请日：2021-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE

IPC: H01L51/52 ,  H01L27/32

Abstract: A display apparatus includes a display element disposed on a substrate; an encapsulation layer disposed on the display element; a light-blocking layer disposed on the encapsulation layer and including a first opening at a location corresponding to an emission area of the display element; a first refractive layer disposed on the light-blocking layer and including a second opening overlapping the first opening of the light-blocking layer; and a second refractive layer disposed on the first refractive layer, the second refractive layer having a refractive index that is higher than a refractive index of the first refractive layer.

公开(公告)号：US20200052058A1

公开(公告)日：2020-02-13

申请号：US16523719

申请日：2019-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE

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

Abstract: An organic light-emitting display apparatus has a display layer including a pixel defining layer that surrounds a light-emission region, a first non-light-emission region in the pixel defining layer, and a second non-light-emission region in the pixel defining layer and includes a spacer that is further formed on the pixel defining layer; a light shielding layer including a first black matrix and a second black matrix respectively shielding the first non-light-emission region and the second non-light-emission region and having different permittivities from each other; and a touch screen layer including a touch electrode arranged at a location corresponding to the first black matrix and the second black matrix.

公开(公告)号：US20190319076A1

公开(公告)日：2019-10-17

申请号：US16378583

申请日：2019-04-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE ,  Joonwoo BAE

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

Abstract: A display device may include a display panel and an input sensor. The input sensor including a sensing electrode and an insulating layer. The display panel may include a light emitting element and a pixel definition layer. The light emitting element may include a first electrode in contact with a base surface, a second electrode, and a light emitting layer between the first electrode and the second electrode. The pixel definition layer may include a first portion defining an opening exposing the first electrode, and a second portion provided on and at least partially overlapping with the first portion. The sensing electrode is provided on the plurality of thin films overlapped with the first portion of the pixel definition layer and defining an open region at least partially overlapping the second portion of the pixel definition layer.

公开(公告)号：US20230044947A1

公开(公告)日：2023-02-09

申请号：US17831378

申请日：2022-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a circuit element layer including at least one transistor, a display element layer disposed on the circuit element layer and including a first area including first, second, and third light emitting areas and a first non-light-emitting area and a second area including fourth, fifth, and sixth areas and a second non-light-emitting area, a first light emitting element to provide a first light to each of the first light emitting area and the fourth light emitting area, a second light emitting element to provide a second light to each of the second light emitting area and the fifth emitting area, and a third light emitting element to provide a third light to each of the third light emitting area and the sixth emitting area, a pixel definition layer provided with openings, and a division pattern disposed in at least some of the openings. The division pattern divides each of the fourth, fifth, and sixth light emitting areas of the second area into a plurality of sub-unit areas. The second non-light-emitting area of the second area includes a first sub-non-light-emitting area and a second sub-non-light-emitting area, and the pixel definition layer overlaps the first non-light-emitting area of the first area and the first sub-non-light-emitting area of the second area and has a transmittance different from a transmittance of the division pattern.

公开(公告)号：US20210020714A1

公开(公告)日：2021-01-21

申请号：US16876264

申请日：2020-05-18

Applicant: Samsung Display Co., LTD.

Inventor： Hyeonbum LEE

IPC: H01L27/32 ,  G06F3/041

Abstract: A display device includes a substrate including a pixel region and a non-pixel region which is adjacent to the pixel region; a pixel definition layer corresponding to the non-pixel region, the pixel definition layer defining a pixel opening corresponding to the pixel region; an emission element in the pixel opening; a transistor in the non-pixel region, the transistor connected to the emission element; and a planarization insulating layer between the pixel definition layer and the transistor. In the non-pixel region, the planarization insulating layer defines a protruding portion which extends through the pixel definition layer to extend further from the substrate than the pixel definition layer.

公开(公告)号：US20210013267A1

公开(公告)日：2021-01-14

申请号：US17035479

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonbum LEE ,  Hyoeng-ki Kim ,  Kwangwoo Park

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: A display device includes a display panel and an anti-reflection unit directly disposed on the display panel. The display panel includes first to third light emitting elements, each of which includes first and second electrodes, and a light emitting layer, which is disposed between the first electrode and the second electrode. The pixel definition layer includes a first portion, in which a light-emitting opening exposing the first electrode is defined, and a second portion, which is disposed on and overlapped with the first portion. The anti-reflection unit includes first to third color filters overlapped with the first to third light emitting elements, respectively, and a color spacer, which is overlapped with the second portion and is thicker than each of the first to third color filters.