公开(公告)号：US11767324B2

公开(公告)日：2023-09-26

申请号：US16761348

申请日：2019-01-04

Applicant: LG CHEM, LTD. ,  RESEARCH BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Hongsik Yoon ,  Jun Yeob Lee ,  Ho Jung Lee ,  Minseung Chun ,  Wanpyo Hong ,  Sang Duk Suh ,  Yujin Kang

IPC: C07D407/12 ,  C07D409/12 ,  H01L51/00 ,  H01L51/50 ,  C07D487/04 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/17 ,  H10K101/30

CPC classification number: C07D487/04 ,  H10K85/615 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18 ,  H10K2101/30

Abstract: Provided is a compound of Chemical Formula 1:






wherein:

one of A1 and A2 is a substituent of Chemical Formula 2:














and the other one is a cyano group;
R3 is a substituted or unsubstituted aryl or heteroaryl group;
R4 to R7 are each independently a hydrogen, deuterium, halogen, or a substituted or unsubstituted: silyl, alkyl, amine, arylamine, alkylamine, aryl, or heteroaryl group;
R1 and R2 are each independently a substituted or unsubstituted aryl or heteroaryl group; and
(1) at least one of R1 to R3 is a substituted phenyl group, or a substituted or unsubstituted heteroaryl group or C10 or higher aryl group; or
(2) R7 is deuterium and d is 1 or greater,

and an organic light-emitting device comprising the same.

公开(公告)号：US11535637B2

公开(公告)日：2022-12-27

申请号：US16643721

申请日：2018-12-26

Applicant: LG CHEM, LTD.

Inventor： Hongsik Yoon ,  Yujin Kang ,  Wanpyo Hong ,  Sang Duk Suh

IPC: C07F5/02 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50

Abstract: Provided are boron-containing polycyclic compounds of Chemical Formula 1: wherein X1 to X4 are identical to or different from one another and are each independently O, S, NR2 or CR3R4, and a to d are each 0 or 1, with the proviso that 1≤a+b+c+d, and the other substituents are as described in the specification. The compounds have a high electron accepting ability and excellent heat resistance, and can be highly purified by sublimation purification due to their high sublimation temperature. The compounds can form a stable interface with an electrode or an adjacent organic material layer of an organic light emitting device. Also provided is an organic light emitting device including the compound of Chemical Formula 1. The compound can lower driving voltage and lengthen lifetime of the organic light emitting device.