Invention Grant
- Patent Title: Heterocyclic compounds and organic light emitting device using the same
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Application No.: US16474008Application Date: 2018-02-21
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Publication No.: US11312691B2Publication Date: 2022-04-26
- Inventor: Min Woo Jung , Dong Hoon Lee , Seong Mi Cho , Dong Uk Heo , Mi Yeon Han , Jung Ha 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: KR10-2017-0022903 20170221,KR10-2018-0020039 20180220
- International Application: PCT/KR2018/002134 WO 20180221
- International Announcement: WO2018/155904 WO 20180830
- Main IPC: C07D213/24
- IPC: C07D213/24 ; C07D237/26 ; C07D251/24 ; H01L51/00 ; H01L51/50 ; C07D239/26 ; C07D401/10 ; C07D401/14 ; C07D403/10 ; C07D405/10 ; C07D409/10
Abstract:
The present invention relates to a novel cyclic compound represented by Formula 1, and an organic light emitting device comprising an organic material layer including the novel cyclic compound and having improved efficiency, low driving voltage, and enhanced lifetime characteristic:
Public/Granted literature
- US20190352270A1 NOVEL HETEROCYCLIC COMPOUNDS AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME Public/Granted day:2019-11-21
Information query
