Invention Grant
- Patent Title: Organic electroluminescent device
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Application No.: US17532294Application Date: 2021-11-22
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Publication No.: US11917907B2Publication Date: 2024-02-27
- Inventor: Kyoung-Jin Park , Tae-Jin Lee , Jae-Hoon Shim , Yoo Jin Doh , Hee-Choon Ahn , Young-Kwang Kim , Doo-Hyeon Moon , Jeong-Eun Yang , Su-Hyun Lee , Chi-Sik Kim , Ji-Song Jun
- Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
- Applicant Address: KR Chungcheongnam-do
- Assignee: Rohm and Haas Electronic Materials Korea Ltd.
- Current Assignee: Rohm and Haas Electronic Materials Korea Ltd.
- Current Assignee Address: KR
- Agent G. Creston Campbell
- Priority: KR 20140092763 2014.07.22
- Main IPC: H01L51/54
- IPC: H01L51/54 ; H10K85/60 ; C09K11/06 ; H05B33/20 ; C07D209/86 ; C07D405/14 ; C07D409/14 ; C09K11/02 ; H10K50/11 ; H10K50/15 ; H10K101/10 ; H10K101/00

Abstract:
The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
Public/Granted literature
- US20220102633A1 ORGANIC ELECTROLUMINESCENT DEVICE Public/Granted day:2022-03-31
Information query
IPC分类: