Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US16327749Application Date: 2018-03-08
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Publication No.: US11211563B2Publication Date: 2021-12-28
- 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: KR10-2017-0030170 20170309
- International Application: PCT/KR2018/002778 WO 20180308
- International Announcement: WO2018/164512 WO 20180913
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C09K11/06
Abstract:
The present invention relates to an organic light emitting device comprising a light emitting layer including a compound represented by Chemical Formula 1 and an electron transport region including a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency, and lifetime.
Public/Granted literature
- US20190198766A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2019-06-27
Information query
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