Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US16323770Application Date: 2018-03-26
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Publication No.: US11594685B2Publication Date: 2023-02-28
- Inventor: Jung Oh Huh , Dong Hoon Lee , Boon Jae Jang , Min Young Kang , Dong Uk Heo , Mi Yeon Han
- 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: KR10-2017-0040551 20170330
- International Application: PCT/KR2018/003540 WO 20180326
- International Announcement: WO2018/182259 WO 20181004
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D405/10 ; C07D405/14 ; C07D409/10 ; C07D471/04 ; H01L51/50 ; C09K11/06
Abstract:
The present invention relates to an organic light emitting device comprising a light emitting layer and an electron transport layer which satisfy the following mathematical expressions, EHOMO-ET>EHOMO-BH and ELUMO-ET>ELUMO-GH, and having improved driving voltage, efficiency, and lifetime.
Public/Granted literature
- US20190214571A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2019-07-11
Information query
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