公开(公告)号：US20200377490A1

公开(公告)日：2020-12-03

申请号：US16885595

申请日：2020-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG SDI CO., LTD.

Inventor： Yongsik Jung ,  Youngchun Kwon ,  Younsuk Choi ,  Hosuk Kang ,  Eunsuk Kwon ,  Jhunmo Son ,  Soonok Jeon ,  Yeonsook Chung

IPC: C07D409/04 ,  C07D209/82 ,  C07D403/04 ,  C07D401/04 ,  C07F7/08 ,  H01L51/00 ,  C07D407/04 ,  H01L51/50

Abstract: Provided are a condensed cyclic compound, an organic light-emitting device including the condensed cyclic compound, and an electronic device including the organic light-emitting device. The condensed cyclic compound is represented by Formula 1, wherein R12 is a group represented by Formula 2-1 and R13 is a group represented by Formula 2-2.

公开(公告)号：US10297777B2

公开(公告)日：2019-05-21

申请号：US15674550

申请日：2017-08-11

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

Inventor： Jongsoo Kim ,  Hosuk Kang ,  Sunghan Kim ,  Joonghyuk Kim ,  Youngmok Son ,  Myungsun Sim ,  Namheon Lee ,  Sooghang Ihn

IPC: H01L51/50

Abstract: An organic light-emitting device includes a first electrode layer; a hole injection layer on the first electrode layer; a hole transport layer on the hole injection layer; an electron blocking layer on the hole transport layer, and including a plurality of layers; a light-emitting layer on the electron blocking layer; an electron transport layer on the light-emitting layer; an electron injection layer on the electron transport layer; and a second electrode layer on the electron transport layer, wherein the electron blocking layer has a highest occupied molecular orbital value which is lower than a highest occupied molecular orbital value of the hole transport layer, and the light-emitting layer has a HOMO value which is lower than a highest occupied molecular orbital value of the electron blocking layer.

公开(公告)号：US10240085B2

公开(公告)日：2019-03-26

申请号：US15245545

申请日：2016-08-24

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

Inventor： Sooghang Ihn ,  Dalho Huh ,  Namheon Lee ,  Jhunmo Son ,  Hosuk Kang ,  Sangmo Kim ,  Jongsoo Kim ,  Joonghyuk Kim ,  Hyunjung Kim ,  Youngmok Son ,  Myungsun Sim ,  Yeonsook Chung ,  Youngseok Park ,  Yongsik Jung

IPC: H01L51/50 ,  C09K11/06 ,  C09K11/02 ,  H05B33/14 ,  H01L51/00

Abstract: A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.