公开(公告)号：US20230240135A1

公开(公告)日：2023-07-27

申请号：US18093019

申请日：2023-01-04

Applicant: Samsung Display Co., Ltd. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY

Inventor： Sejin CHO ,  Yunhi KIM ,  Soonki KWON ,  Mikyung KIM ,  Kwanhee LEE ,  Yeonhee HA ,  Gyeongseok LEE

IPC: H10K85/60 ,  C07D487/16 ,  C09K11/06

CPC classification number: H10K85/636 ,  C07D487/16 ,  C09K11/06 ,  H10K85/633 ,  H10K50/11

Abstract: Embodiments provide a heterocyclic compound, a light-emitting device that includes the heterocyclic compound, and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one of the heterocyclic compound. The heterocyclic compound is represented by Formula 1, which is explained in the specification:

公开(公告)号：US20210320256A1

公开(公告)日：2021-10-14

申请号：US17222580

申请日：2021-04-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jino LIM ,  Yeongji IM ,  Sejin CHO ,  Seunggak YANG

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07C15/28 ,  C07F5/02

Abstract: An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer and a hole transport region between the first electrode and the emission layer, the hole transport region includes a first hole transport layer and a second hole transport layer, the first hole transport layer includes a first hole transport compound and a p-type dopant, the second hole transport layer includes a second hole transport compound, and the emission layer includes a host compound represented by Formula 1 and a dopant compound represented by Formula 2: