Invention Grant
- Patent Title: Electron buffering material and organic electroluminescent device comprising the same
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Application No.: US17328729Application Date: 2021-05-24
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Publication No.: US11751476B2Publication Date: 2023-09-05
- Inventor: Sang-Hee Cho , Jeong-Hwan Jeon , Hong-Yeop Na , Ji-Song Jun , Jae-Hoon Shim , Kyung-Hoon Choi , Chi-Sik Kim , Young-Jun Cho
- 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
- Agent G. Creston Campbell
- Priority: KR 20140031264 2014.03.17 KR 20150036184 2015.03.16
- Main IPC: H10K85/60
- IPC: H10K85/60 ; C07D403/14 ; C07D409/14 ; C07D487/04 ; C07D495/04 ; C07D403/12 ; C07D405/14 ; C07D405/04 ; C07D471/04 ; C07D403/04 ; H10K85/30 ; C07D403/10 ; C09K11/02 ; C09K11/06 ; H10K30/80 ; H10K50/18 ; H10K50/15
Abstract:
The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.
Public/Granted literature
- US20210328155A1 ELECTRON BUFFERING MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Public/Granted day:2021-10-21
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