Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US16316608Application Date: 2018-03-08
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Publication No.: US11239425B2Publication Date: 2022-02-01
- Inventor: Sang Duk Suh , Sung Kil Hong , Seong So Kim
- 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: KR10-2017-0029698 20170308
- International Application: PCT/KR2018/002776 WO 20180308
- International Announcement: WO2018/164510 WO 20180913
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C09K11/06
Abstract:
The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
Public/Granted literature
- US20190296243A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2019-09-26
Information query
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