公开(公告)号：US20210288290A1

公开(公告)日：2021-09-16

申请号：US17154314

申请日：2021-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghoon LEE ,  Wonjae JOO ,  Sunjin SONG ,  Hyun KOO ,  Sunghyun HAN

IPC: H01L51/52 ,  H01L51/50

Abstract: A light emitting device includes a first electrode; a white organic light emission structure provided on the first electrode; a second electrode provided on the white organic light emission structure; and a reflective layer provided on an opposite side of the first electrode from the white organic light emission structure and including a first reflective region, a second reflective region, and a third reflective region having different heights from one another and forming different separation distances from the second electrode. A plurality of recesses may be provided in at least one of the first reflective region, the second reflective region, and the third reflective region on a surface of the reflective layer, and thus the color purity of the light emitting device may be improved.

公开(公告)号：US20210257560A1

公开(公告)日：2021-08-19

申请号：US16993615

申请日：2020-08-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seokhwan HONG ,  Myungsun SIM ,  Seungyeon KWAK ,  Hyun KOO ,  Sangdong KIM ,  Chul BAIK ,  Sukekazu ARATANI ,  Sunyoung LEE ,  Sunghun LEE ,  Shingo ISHIHARA ,  Jeoungin YI ,  Yuri CHO ,  Yasushi KOISHIKAWA

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first host and a dopant, the dopant is an organometallic compound including platinum, the organic light-emitting device satisfies a condition of: HOMO(D)−HOMO(Host 1)≥0.2 electron volts, HOMO(D) is a highest occupied molecular orbital (HOMO) energy level of the dopant in electron volts, HOMO(Host 1) is a HOMO) energy level of the first host in electron volts, and HOMO(D) and HOMO(Host 1) are each measured using a photoelectron spectrometer in an ambient atmosphere.

公开(公告)号：US20210226135A1

公开(公告)日：2021-07-22

申请号：US17223497

申请日：2021-04-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soyeon KIM ,  Yoonhyun KWAK ,  Ohyun KWON ,  Hyeonho CHOI ,  Hyun KOO ,  Youngjae PARK

IPC: H01L51/00 ,  H05B33/14 ,  C09K11/00 ,  A61K49/00 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  G01N33/52

Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, groups and variables are the same as described in the specification.

公开(公告)号：US20210159431A1

公开(公告)日：2021-05-27

申请号：US17166385

申请日：2021-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungin LEE ,  Kyuyoung HWANG ,  Soyeon KIM ,  Aram JEON ,  Hyeonho CHOI ,  Hyun KOO ,  Sangdong KIM ,  Yoonhyun KWAK ,  Ohyun KWON ,  Byoungki CHOI

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: An organometallic compound represented by Formula 1A: wherein, in Formula 1A, groups and variables are the same as described in the specification.

公开(公告)号：US20210028374A1

公开(公告)日：2021-01-28

申请号：US16718274

申请日：2019-12-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Whail CHOI ,  Seungyeon KWAK ,  Hyun KOO ,  Hyeonho CHOI ,  Sungjun KIM ,  Seokhwan HONG

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, M, X11, X12, X13, X14, A11, R11, R14, b11, n, L11, and m are described in the specification.

公开(公告)号：US20190326527A1

公开(公告)日：2019-10-24

申请号：US16392090

申请日：2019-04-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Whail CHOI ,  Yoonhyun KWAK ,  Hyun KOO ,  Sungjun KIM ,  Sukekazu ARATANI ,  Kum Hee LEE ,  Sunyoung LEE ,  Kyuyoung HWANG

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound: M(L1)n1(L2)n2  Formula 1 wherein M, L1, L2, n1 and n2 are each independently the same as defined in the specification.

公开(公告)号：US20190074468A1

公开(公告)日：2019-03-07

申请号：US16120932

申请日：2018-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungyeon KWAK ,  Hyun KOO ,  Sangdong KIM ,  Jiwhan KIM ,  Sunghun LEE ,  Hyeonho CHOI ,  Seokhwan HONG ,  Kyuyoung HWANG

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer comprises a host and a dopant, wherein the emission layer emits a phosphorescent light, wherein the dopant is an organometallic compound, and wherein the emission layer satisfies certain parameters described in the specification.

公开(公告)号：US20180366660A1

公开(公告)日：2018-12-20

申请号：US15871402

申请日：2018-01-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongsuk CHO ,  Ohyun KWON ,  Hyun KOO ,  Hwayoung CHO ,  Jongwon CHOI ,  Yoonhyun KWAK ,  Byoungki CHOI

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  G01N21/64

CPC classification number: H01L51/0087 ,  C07F15/0093 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/185 ,  G01N21/6428 ,  G01N2021/6439 ,  H01L51/5016

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

公开(公告)号：US20180254425A1

公开(公告)日：2018-09-06

申请号：US15913130

申请日：2018-03-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunghun LEE ,  Jiwhan KIM ,  Sungjun KIM ,  Sukekazu ARATANI ,  Hyeonho CHOI ,  Seungyeon KWAK ,  Hyun KOO ,  Sangdong KIM ,  Seokhwan HONG

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5016 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5218 ,  H01L51/5221

Abstract: A light-emitting device including an material, wherein KISC/KFL(original) of the emitting material is about 100 or greater, KRISC/KPH(original) of the emitting material is about 100 or greater, KISC/KRISC of the emitting material is about 0.9 or greater and about 1,000 or less, wherein, among all emission components of the emitting material, a ratio of a phosphorescent emission component that is emitted by a radiative transition of a triple exciton to a ground state is 90% or greater, wherein the KISC, the KRISC, the KFL(original), the KPH(original) are the same as described in the specification, and wherein the ratio of the phosphorescent emission component are evaluated from a transient photoluminescence (PL) spectrum per temperature of the emitting material.

公开(公告)号：US20180179238A1

公开(公告)日：2018-06-28

申请号：US15845162

申请日：2017-12-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Banglin LEE ,  Kum Hee LEE ,  Jongwon CHOI ,  Yoonhyun KWAK ,  Hyun KOO ,  Ohyun KWON ,  Jun CHWAE

IPC: C07F15/00 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50

CPC classification number: C07F15/0086 ,  C07F15/006 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0087 ,  H01L51/5012 ,  H01L51/5016

Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.