Invention Grant
- Patent Title: Organic electroluminescent element and compound
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Application No.: US13820385Application Date: 2011-09-05
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Publication No.: US10944061B2Publication Date: 2021-03-09
- Inventor: Kousuke Watanabe , Wataru Sotoyama
- Applicant: Kousuke Watanabe , Wataru Sotoyama
- Applicant Address: JP Kanagawa; JP Kanagawa
- Assignee: Kousuke Watanabe,Wataru Sotoyama
- Current Assignee: Kousuke Watanabe,Wataru Sotoyama
- Current Assignee Address: JP Kanagawa; JP Kanagawa
- Agency: Riverside Law LLP
- Priority: JPJP2010-201490 20100908,JPJP2011-080874 20110331
- International Application: PCT/JP2011/070191 WO 20110905
- International Announcement: WO2012/033063 WO 20120315
- Main IPC: H01L51/54
- IPC: H01L51/54 ; H01L51/00 ; C07D333/76 ; C07D307/91 ; H01L51/50 ; H01L51/52

Abstract:
An organic electroluminescence device having high efficiency, low in driving voltage and excellent in durability and a compound useful for the organic electroluminescence device are provided.
An organic electroluminescence device comprising, a substrate having thereon: a pair of electrodes of an anode and a cathode; and at least one organic layer comprising a light-emitting layer between the pair of electrodes, and the light-emitting layer contains at least one kind of a phosphorescent material, and at least either one layer of the at least one organic layer contains a specific compound having a dibenzothiophene or dibenzofuran structure, and the compound.
An organic electroluminescence device comprising, a substrate having thereon: a pair of electrodes of an anode and a cathode; and at least one organic layer comprising a light-emitting layer between the pair of electrodes, and the light-emitting layer contains at least one kind of a phosphorescent material, and at least either one layer of the at least one organic layer contains a specific compound having a dibenzothiophene or dibenzofuran structure, and the compound.
Public/Granted literature
- US20130270530A1 ORGANIC ELECTROLUMINESCENT ELEMENT AND COMPOUND Public/Granted day:2013-10-17
Information query
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