Invention Application
- Patent Title: ORGANIC LIGHT-EMITTING DEVICE
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Application No.: US17776816Application Date: 2021-01-28
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Publication No.: US20230006161A1Publication Date: 2023-01-05
- Inventor: Dongkeun SONG , Jaegoo LEE , Yongbum CHA , Dong Uk HEO , Woochul LEE , Jiyoung NOH , Jun Young LEE
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Priority: KR10-2020-0015452 20200210
- International Application: PCT/KR2021/001150 WO 20210128
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00

Abstract:
Provided is an organic light emitting device including an anode; a cathode; a light emitting layer between the anode and the cathode; a first organic material layer between the light emitting layer and the anode; and a second organic material layer between the light emitting layer and the cathode, wherein the first organic material layer comprises a compound of Chemical Formula 1, the light emitting layer comprises a compound of Chemical Formula 2, the second organic material layer comprises a compound of Chemical Formula 3, and Chemical Formula 1 and Chemical Formula 3 satisfy one or more of to : |EL1| Es1>Es3 ET1>ET3
Information query
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