Invention Grant
- Patent Title: Heterocyclic compound and organic light emitting device comprising the same
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Application No.: US16484777Application Date: 2018-04-26
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Publication No.: US11407718B2Publication Date: 2022-08-09
- Inventor: Yong Bum Cha , Yeon Ho Cho , Yeon Hwan Kim , Sang Young Jeon , Sung Jae Lee
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR10-2017-0078693 20170621
- International Application: PCT/KR2018/004871 WO 20180426
- International Announcement: WO2018/236040 WO 20181227
- Main IPC: C07D239/26
- IPC: C07D239/26 ; C07D213/06 ; C07D251/24 ; H01L51/00 ; H01L51/50

Abstract:
The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device, provides improved efficiency, low driving voltage, and improved lifetime characteristics.
Public/Granted literature
- US20190389810A1 NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME Public/Granted day:2019-12-26
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