Invention Grant
- Patent Title: Organic electroluminescent device
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Application No.: US15541429Application Date: 2016-01-05
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Publication No.: US09905775B2Publication Date: 2018-02-27
- Inventor: Shuichi Hayashi , Naoaki Kabasawa , Shunji Mochiduki , Se-Jin Lee , Oun-gyu Lee , Bong-Ki Shin
- Applicant: HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD
- Applicant Address: JP Tokyo KR Chungcheongbuk-Do
- Assignee: HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD
- Current Assignee: HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD
- Current Assignee Address: JP Tokyo KR Chungcheongbuk-Do
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2015-001298 20150107
- International Application: PCT/JP2016/050064 WO 20160105
- International Announcement: WO2016/111270 WO 20160714
- Main IPC: H01L35/24
- IPC: H01L35/24 ; H01L51/00 ; C07C211/54 ; C07D495/04 ; C07D403/04 ; C07D491/048 ; C07D495/14 ; C09K11/06 ; H01L51/52 ; H01L51/50
Abstract:
The present invention provides an organic electroluminescent device having at least an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound having a specific structure, and the luminous layer contains an indenoindole derivative or a carbazole derivative having a specific structure. The organic EL device of the present invention is an organic EL device improved in luminous efficiency, driving voltage and durability.
Public/Granted literature
- US20170358753A1 ORGANIC ELECTROLUMINESCENT DEVICE Public/Granted day:2017-12-14
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