公开(公告)号：US11545643B2

公开(公告)日：2023-01-03

申请号：US17352111

申请日：2021-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

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

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

公开(公告)号：US20210305531A1

公开(公告)日：2021-09-30

申请号：US17213782

申请日：2021-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mikyung KIM ,  Jaehyun Lee ,  Jiwon Kwak ,  Hyerim Kim ,  Jihyun Seo ,  Kwanhee Lee ,  Hanbyul Jang

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode opposing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, a first emission auxiliary layer, a second emission auxiliary layer, and a hole transport region, the hole transport region is disposed between the first electrode and the emission layer, the first emission auxiliary layer and the second emission auxiliary layer are disposed between the emission layer and the hole transport region, the first emission auxiliary layer includes a first compound, the second emission auxiliary layer includes a second compound, the hole transport region includes a hole transport compound, and the first compound and the hole transport compound satisfy the Equation 1, as defined herein.

公开(公告)号：US10249825B2

公开(公告)日：2019-04-02

申请号：US14650078

申请日：2013-12-03

Applicant: DUK SAN NEOLUX CO., LTD. ,  SAMSUNG DISPLAY CO., LTD.

Inventor： Bumsung Lee ,  Yeonhee Choi ,  Daesung Kim ,  Soungyun Mun ,  Jungcheol Park ,  Kiho So ,  Jinho Yun ,  Daehwan Oh ,  Seungwon Yeo ,  Mikyung Kim ,  Kwanhee Lee

IPC: H01L51/00 ,  C07D209/82 ,  C09K11/06 ,  H05B33/14 ,  C07D209/86 ,  C07D401/12 ,  C07D405/04 ,  C07D405/14 ,  C07D409/04 ,  C07D409/12 ,  C07D409/14 ,  G09G3/3225 ,  H01L51/50

Abstract: Provided are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.

公开(公告)号：US20190043931A1

公开(公告)日：2019-02-07

申请号：US16016145

申请日：2018-06-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Yim ,  Donghoon Kim ,  Samil Kho ,  Mikyung Kim ,  Eunkyoung Kim ,  Seunggak Yang ,  Kwanhee Lee

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3211 ,  H01L51/5004 ,  H01L51/5253 ,  H01L51/5265 ,  H01L51/5275 ,  H01L2251/5315

Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.

公开(公告)号：US12052885B2

公开(公告)日：2024-07-30

申请号：US17212003

申请日：2021-03-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghoon Yim ,  Wonjong Kim ,  Yisu Kim ,  Minho Oh ,  Wonmin Yun ,  Kwanhee Lee ,  Byoungduk Lee ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Yongchan Ju

IPC: H10K50/858 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K50/858 ,  H10K50/8445 ,  H10K59/12 ,  H10K71/00 ,  H10K59/1201 ,  H10K2102/351

Abstract: An display device including a substrate, an organic light-emitting diode, and a thin film encapsulation layer. The organic light-emitting diode is disposed on the substrate. The thin film encapsulation layer is disposed on the organic light-emitting diode. The thin film encapsulation layer includes at least one inorganic layer, at least one organic layer, and a first refractive-index control layer. The at least one organic layer is alternately disposed with the at least one inorganic layer. The first refractive-index layer is disposed between one of the at least one inorganic layer and one of the at least one organic layer disposed adjacent to each other. The first refractive-index control layer has a refractive-index variation ratio per unit length (Δn/nm) from about 0.001/nm to about 0.002/nm along a direction from the organic light-emitting diode toward the thin film encapsulation layer.

公开(公告)号：US20240172485A1

公开(公告)日：2024-05-23

申请号：US18475379

申请日：2023-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeongwoo Jang ,  Sungho Kim ,  Sewan Son ,  Minwoo Woo ,  Kwanhee Lee ,  Seunghyun Lee ,  Wangwoo Lee ,  Jiseon Lee ,  Sugwoo Jung ,  Hyeri Cho

IPC: H10K59/122 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/873 ,  H10K59/88

Abstract: A display panel includes a substrate including a display area and a non-display area disposed outside the display area, first to third light-emitting diodes disposed on a substrate in the display area, a metal bank layer disposed in the display area and having pixel openings, a first inorganic encapsulation layer disposed on the first light-emitting diode, a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer, a first clad layer overlapping an end of the first dummy layer, and a dam disposed on the non-display area and including a first inorganic layer and a second inorganic layer on the first inorganic layer, wherein the first inorganic layer and the first inorganic encapsulation layer include a same material, and the second inorganic layer and the first clad layer include a same material.

公开(公告)号：US11871597B2

公开(公告)日：2024-01-09

申请号：US18148194

申请日：2022-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jungjin Yang ,  Myunghwan Kim ,  Seohyun Kim ,  Ji-young Kim ,  Jinwoo Park ,  Wonjun Song ,  Taewoong Yoo ,  Soojung Youn ,  Kwanhee Lee ,  Seokjae Lee

IPC: H10K50/15 ,  H10K50/16 ,  H10K59/32 ,  H10K50/805

CPC classification number: H10K50/805 ,  H10K50/15 ,  H10K50/16 ,  H10K59/32

Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode and a second sub-electrode spaced apart from each other and on the substrate; a first light emitting unit on the first electrode; a charge generation unit on the first light emitting unit; a second light emitting unit on the charge generation unit; and a second electrode on the second light emitting unit, wherein the first light emitting unit comprises a first light emitting layer correspondingly on the first sub-electrode; and a second light emitting layer correspondingly on the second sub-electrode, wherein the second light emitting unit comprises a third light emitting layer correspondingly on the first light emitting layer; and a fourth light emitting layer correspondingly on the second light emitting layer.

公开(公告)号：US20230225179A1

公开(公告)日：2023-07-13

申请号：US18187033

申请日：2023-03-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seil Kim ,  Euigyu Kim ,  Kwanhee Lee ,  Sang Min Yi ,  Junhyeuk Ko ,  Seungju Hong

IPC: B05C21/00 ,  C23C14/04

CPC classification number: H10K71/166 ,  H10K71/00 ,  H10K71/164 ,  B05C21/005 ,  C23C14/042

Abstract: A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.

公开(公告)号：US20220302405A1

公开(公告)日：2022-09-22

申请号：US17518711

申请日：2021-11-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jonghyun Choi ,  Youngwoo Park ,  Kwanhee Lee

IPC: H01L51/52 ,  H01L51/56 ,  B23K26/50

Abstract: A method of providing a display device includes preparing a display panel including a first area, a bending area extending from the first area, and a second area extending from the bending area, attaching an impact absorbing layer to the display panel, removing a first removal portion of a first release film which overlaps the second area, among portions of the first release film disposed on the impact absorbing layer, and providing a cover tape on a first portion of the impact absorbing layer from which the first removal portion is removed.

公开(公告)号：US20210351365A1

公开(公告)日：2021-11-11

申请号：US17098455

申请日：2020-11-16

Applicant: Samsung Display Co, Ltd.

Inventor： Jinsook Bang ,  Donghoon Kim ,  Sanghoon Yim ,  Jinyoung Choi ,  Eunjeong Hong ,  Kwanhee Lee

IPC: H01L51/00 ,  C09K11/06

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.