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：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：US20180090707A1

公开(公告)日：2018-03-29

申请号：US15487820

申请日：2017-04-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Aram JEON ,  Chul BAIK ,  Jungin LEE ,  Hwayoung CHO ,  Seokhwan HONG ,  Kyuyoung HWANG ,  Ohyun KWON ,  Yoonhyun KWAK

IPC: H01L51/52 ,  C09K11/06 ,  C09K11/02 ,  H01L51/00 ,  C07F15/00

CPC classification number: H01L51/5203 ,  C07F15/0086 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/0087 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

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：US20160155962A1

公开(公告)日：2016-06-02

申请号：US14951764

申请日：2015-11-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyuyoung HWANG ,  Ohyun KWON ,  Yoonhyun KWAK ,  HYUN KOO ,  Kumhee LEE ,  Hyeonho CHOI ,  Whail CHOI ,  Seokhwan HONG

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

CPC classification number: H01L51/0094 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/185 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/009 ,  H01L51/5016

Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2  Formula 1 wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.