公开(公告)号：US20180248145A1

公开(公告)日：2018-08-30

申请号：US15908150

申请日：2018-02-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sooghang IHN ,  Wonjoon SON ,  Hosuk KANG ,  Myungsun SIM ,  Sunghan KIM ,  Masaki NUMATA ,  Hiroshi MIYAZAKI ,  Saeyoun LEE ,  Soonok JEON

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00 ,  C09K11/06

CPC classification number: H01L51/508 ,  C09K11/06 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1051 ,  C09K2211/1077 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5092 ,  H01L51/5203 ,  H01L51/56 ,  H01L2251/55

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 emission layer includes a thermally activated delayed fluorescence (TADF) emitter and a host and the TADF emitter is different from the host, and wherein the TDAF emitter is capable of satisfying certain conditions disclosed in the specification.

公开(公告)号：US20190051832A1

公开(公告)日：2019-02-14

申请号：US16059503

申请日：2018-08-09

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

Inventor： Jongsoo KIM ,  Wonjoon SON ,  Daun JEONG ,  Sunghan KIM ,  Joonghyuk KIM ,  Youngmok SON ,  Myungsun SIM ,  Namheon LEE ,  Sooghang IHN

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

Abstract: An organometallic compound represented by Formula 1, wherein the organometallic compound has a horizontal orientation ratio of a transition dipole moment in a range of about 85 percent to about 100 percent: M(L1)n  Formula 1 wherein, in Formula 1, M is selected from a first-row transition metal of the Periodic Table of Elements, a second-row transition metal of the Periodic Table of Elements, and a third-row transition metal of the Periodic Table of Elements, n is 2 or 3, L1 is a bidentate organic ligand bound to M, wherein L1 does not comprise a fluoro group (—F), and wherein L1 groups in the number of n are identical to each other.