公开(公告)号：US20190148648A1

公开(公告)日：2019-05-16

申请号：US16042794

申请日：2018-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin LEE ,  Jihye SHIM ,  Yeonwoo LEE ,  Jehong CHOI ,  Hyunju CHOI ,  Sangwoo PYO ,  Myungsuk HAN

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: Disclosed are an organic light-emitting diode and an organic light-emititng display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; and an organic layer interposed between the first electrode and the second layer and including a hole transport region, a light-emitting layer, an electron transport region, and a diffusion barrier layer, wherein the diffusion barrier layer includes one or more diffusion barrier materials including a 6- to 20-membered N-heterocyclic aromatic compound, a lithium complex, and/or a phosphine oxide-based compound.

公开(公告)号：US20180102499A1

公开(公告)日：2018-04-12

申请号：US15730847

申请日：2017-10-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sangwoo PYO ,  ILsoo OH ,  Jihwan YOON ,  Changmin LEE ,  Sungjin CHOI

IPC: H01L51/52 ,  H01L51/50

CPC classification number: H01L51/5228 ,  H01L27/3246 ,  H01L51/5044 ,  H01L51/5056 ,  H01L51/5212 ,  H01L51/5237 ,  H01L51/5271 ,  H01L51/5275

Abstract: An organic light emitting diode display device includes an auxiliary electrode spaced apart from a plurality of first electrodes on a substrate. A first light emitting portion is on the first electrode. A charge generation layer is on the first light emitting portion. A second light emitting portion is on the charge generation layer. A second electrode is on the second light emitting portion and is electrically connected to the auxiliary electrode. The second electrode is insulated from the charge generation layer.

公开(公告)号：US20240076225A1

公开(公告)日：2024-03-07

申请号：US18211471

申请日：2023-06-19

Applicant: Samsung Display Co., LTD.

Inventor： Changmin LEE ,  Yong-Kyun SIM

IPC: C03B32/00

CPC classification number: C03B32/00 ,  C03B2225/02

Abstract: A cassette for loading glass includes a first frame extending in a first direction, a second frame spaced apart from the first frame in a second direction intersecting the first direction, a first support coupled to the first frame, and a second support coupled to the second frame. A plurality of first grooves are defined in the first support, the plurality of first grooves are spaced apart from each other in the first direction, each of the plurality of first grooves extends in a third direction intersecting the first direction and the second direction, and the first support includes a first protrusion protruding from an inner surface of each of the plurality of first grooves.

公开(公告)号：US20210183958A1

公开(公告)日：2021-06-17

申请号：US16928544

申请日：2020-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyomin KO ,  Changmin LEE

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/00

Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.

公开(公告)号：US20210167294A1

公开(公告)日：2021-06-03

申请号：US17039159

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon KIM ,  Hyejeong PARK ,  Changmin LEE

IPC: H01L51/00

Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1: In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.

公开(公告)号：US20220344609A1

公开(公告)日：2022-10-27

申请号：US17680140

申请日：2022-02-24

Applicant: Samsung Display Co., Ltd.

Inventor： Daehyeon KIM ,  Changmin LEE ,  Hyunshik LEE ,  Seungcheol KIM

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer contacting each other, the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first dopant includes a fluorescent dopant, the second dopant includes a phosphorescent dopant, a triplet energy level of the first host is lower than a triplet energy level of the first dopant, and a triplet energy level of the second host is higher than a triplet energy level of the second dopant.

公开(公告)号：US20190148663A1

公开(公告)日：2019-05-16

申请号：US16040471

申请日：2018-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Changmin LEE ,  Jihye SHIM ,  Yeonwoo LEE ,  Jehong CHOI ,  Hyunju CHOI ,  Sangwoo PYO ,  Myungsuk HAN

IPC: H01L51/50 ,  H01L51/52 ,  H05B33/10 ,  H01L27/32

Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.