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：US20200028094A1

公开(公告)日：2020-01-23

申请号：US16375333

申请日：2019-04-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myungsun SIM ,  Sooghang IHN ,  Joonghyuk KIM ,  Yasushi KOISHIKAWA ,  Jongsoo KIM ,  Hasup LEE ,  Soonok JEON ,  Yeonsook CHUNG

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

Abstract: An organic light-emitting device including an emission layer including 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 compound, a second compound, and a third compound, and the first compound and the second compound are different from each other, each of the first compound and the second compound emits light, the third compound does not emit light, and the first compound and the second compound satisfy Conditions and Inequalities as described herein.

公开(公告)号：US20200002315A1

公开(公告)日：2020-01-02

申请号：US16244431

申请日：2019-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeonsook CHUNG ,  Soonok JEON ,  Masaki NUMATA ,  Myungsun SIM ,  Hasup LEE ,  Sooghang IHN

IPC: C07D403/10 ,  C07D487/04 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D401/14 ,  C07D495/04 ,  C07D495/14 ,  C07D491/048 ,  C07D491/147 ,  C07D491/153 ,  C07D519/00 ,  H01L51/00

Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, A1, D1, and R11 to R10 are the same as described in the specification.

公开(公告)号：US20190393424A1

公开(公告)日：2019-12-26

申请号：US16451830

申请日：2019-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sooghang IHN ,  Myungsun SIM ,  Daun Jeong ,  Soonok JEON ,  Yeonsook CHUNG ,  Sunghan KIM ,  Jongsoo KIM ,  Joonghyuk KIM ,  Hiroshi MIYAZAKI ,  Hasup LEE

IPC: H01L51/00 ,  C09K11/06 ,  C07D403/10

Abstract: An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer comprises a host and a thermally activated delayed fluorescence emitter, the host comprises a first material and a second material, the first material and the second material are different from each other, the second material has a dipole moment of about 5.5 debye or more, the second material does not comprise a group represented by *=o, and * indicates a binding site to a neighboring atom.

公开(公告)号：US20190296256A1

公开(公告)日：2019-09-26

申请号：US16364684

申请日：2019-03-26

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Joonghyuk KIM ,  Hosuk KANG ,  Sunghan KIM ,  Jongsoo KIM ,  Youngmok SON ,  Myungsun SIM ,  Sooghang IHN

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

Abstract: An organic light-emitting device which 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 an emission layer includes a first material, a second material, and a third material satisfying certain conditions.

公开(公告)号：US20170358756A1

公开(公告)日：2017-12-14

申请号：US15346116

申请日：2016-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Yeonsook CHUNG ,  Miyoung CHAE ,  Jhunmo SON ,  Dalho HUH ,  Eunsuk KWON ,  Sangmo KIM ,  Hyunjung KIM ,  Saeyoun LEE ,  Soonok JEON ,  Yongsik JUNG ,  Joonghyuk KIM ,  Myungsun SIM

IPC: H01L51/00 ,  C07D495/04 ,  C09K11/02 ,  C07D487/04 ,  C07D491/048 ,  C07D491/147 ,  H01L51/50

CPC classification number: H01L51/0072 ,  C07D487/04 ,  C07D491/048 ,  C07D491/147 ,  C07D495/04 ,  C09K11/025 ,  H01L51/0071 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5096

Abstract: A condensed cyclic 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：US20190393425A1

公开(公告)日：2019-12-26

申请号：US16452833

申请日：2019-06-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sooghang IHN ,  Myungsun SIM ,  Daun JEONG ,  Jongsoo KIM ,  Joonghyuk KIM ,  Hasup LEE ,  Soonok JEON ,  Yeonsook CHUNG ,  Yongsik JUNG

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

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 includes a predetermined host and a thermally activated delayed fluorescence emitter.

公开(公告)号：US20190181353A1

公开(公告)日：2019-06-13

申请号：US16213296

申请日：2018-12-07

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Sooghang IHN ,  Myungsun SIM ,  Hasup LEE ,  Wook KIM ,  Jongsoo KIM ,  Joonghyuk KIM ,  Hiroshi MIYAZAKI ,  Soonok JEON ,  Yeonsook CHUNG

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device including 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 includes an emission layer, wherein the an emission layer including an auxiliary dopant, a fluorescent dopant, and a host, wherein the auxiliary dopant includes a compound represented by Formula 1, and wherein the fluorescent dopant emits prompt fluorescence: wherein in Formula 1, groups and variables are the same as described in the specification.

公开(公告)号：US20190074445A1

公开(公告)日：2019-03-07

申请号：US16119308

申请日：2018-08-31

Applicant: Samsung Electronics Co., Ltd. ,  Ewha University - Industry Collaboration Foundation

Inventor： Sooghang IHN ,  Youngmin YOU ,  Sonam KIM ,  Sinheui KIM ,  Seungyeon YI ,  Sunghan KIM ,  Changho NOH ,  Soohwan SUL ,  Myungsun SIM ,  Hasup LEE

IPC: H01L51/00 ,  C07D311/10 ,  C07C49/784 ,  C07C49/786 ,  C07C49/683

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 and a fluorescent compound, wherein the fluorescent compound comprises a 3n-π*-to-1π-π* energy transition from a 3n-π* excited state to a 1π-π* excited state, an energy level in a 1n-π* excited state of the fluorescent compound is greater than an energy level in the 1π-π* excited state of the fluorescent compound, the fluorescent compound emits a fluorescent light by radiative energy transition of an exciton in the 1π-π* excited state to a ground state, and the energy level in the 1n-π* excited state, the energy level in the 1π-π* excited state, and the energy level in the 3n-π* excited state are each independently calculated by using a time dependent-Density Functional Theory method.

公开(公告)号：US20190067616A1

公开(公告)日：2019-02-28

申请号：US16108994

申请日：2018-08-22

Applicant: Samsung Electronics Co., Ltd. ,  Korea Advanced Institute of Science and Technology

Inventor： Soonok JEON ,  Hiroshi MIYAZAKI ,  Yeonsook CHUNG ,  Myungsun SIM ,  Sooghang IHN ,  Wonchul LEE ,  Heeseung LEE ,  LianJin ZHANG ,  Yoonchul JUNG

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

Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, wherein the emission layer includes at least one of a condensed cyclic compound represented by Formula 1, and wherein a ratio of an emission component of thermally activated delayed fluorescence (TADF) emitted from the condensed cyclic compound to a total emission component emitted from the emission layer is about 80% or more.