Invention Application
- Patent Title: ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Application No.: US17488130Application Date: 2021-09-28
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Publication No.: US20220123223A1Publication Date: 2022-04-21
- Inventor: Hee-Ryong KANG , Sang-Hee CHO , So-Young JUNG , Jin-Ri HONG , So-Mi PARK
- 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 Chungcheongnam-do
- Priority: KR10-2020-0135064 20201019,KR10-2021-0107451 20210813
- Main IPC: H01L51/00
- IPC: H01L51/00
Abstract:
The present disclosure relates to an organic electroluminescent compound represented by formula 2′, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds of the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency, and/or lifespan characteristics.
Information query
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