公开(公告)号：US20210359230A1

公开(公告)日：2021-11-18

申请号：US17365393

申请日：2021-07-01

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06 ,  H01L27/12

Abstract: An amine compound which improves emission efficiency and an organic electroluminescence device including the same are provided. The amine compound is represented by the structure below, wherein X is O or S, Y is C or Si, each of Ar1 and Ar2 is independently a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 50 carbon atoms for forming a ring, which includes O or S as a heteroatom, and each of L1 and L2 is independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring. R1 through R5 are defined in the description.

公开(公告)号：US20210126199A1

公开(公告)日：2021-04-29

申请号：US17010424

申请日：2020-09-02

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO

IPC: H01L51/00 ,  C07D498/06 ,  C09K11/06 ,  C07F7/08

Abstract: An organic electroluminescence device includes a first electrode; a hole transport region disposed on the first electrode; an emission layer disposed on the hole transport region; an electron transport region disposed on the emission layer; and a second electrode disposed on the electron transport region, wherein the hole transport region includes a polycyclic compound of Formula 1: wherein, in Formula 1, the variables are defined herein.

公开(公告)号：US20210126198A1

公开(公告)日：2021-04-29

申请号：US16944770

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO

IPC: H01L51/00 ,  C07D491/048 ,  C07D495/04

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a monoamine compound represented by Formula 1, thereby providing high emission efficiency:

公开(公告)号：US20200235297A1

公开(公告)日：2020-07-23

申请号：US16842556

申请日：2020-04-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hideo MIYAKE ,  Masatsugu UENO ,  Xiulan JIN ,  Ichinori TAKADA ,  Takuya UNO ,  Hiroaki ITOI

IPC: H01L51/00 ,  C07C211/54 ,  C09K11/06 ,  C07D209/88 ,  C07F7/08 ,  C07C211/61 ,  C07D333/76 ,  C07C211/56 ,  C07D307/91

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region. The hole transport region includes a monoamine compound represented by the following Formula 1:

公开(公告)号：US20200052224A1

公开(公告)日：2020-02-13

申请号：US16443807

申请日：2019-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO

IPC: H01L51/00 ,  C07D487/04 ,  C07D498/04 ,  C07D513/04

Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, in which the hole transport region includes a condensed cyclic compound, thereby securing high emission efficiency.

公开(公告)号：US20190165285A1

公开(公告)日：2019-05-30

申请号：US16040332

申请日：2018-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Takuya UNO

IPC: H01L51/00 ,  C07F7/08 ,  C09K11/06

Abstract: An amine compound which improves emission efficiency, and an organic electroluminescence device including the same are provided. The amine compound according to the inventive concept is represented by Formula 1.