Invention Grant
- Patent Title: Organic electroluminescence device
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Application No.: US16650717Application Date: 2018-09-21
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Publication No.: US11605785B2Publication Date: 2023-03-14
- Inventor: Yuta Hirayama , Takeshi Yamamoto , Kazuyuki Suruga , Se-Jin Lee , Oun-Gyu Lee , Bong-Ki Shin
- Applicant: HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
- Applicant Address: JP Tokyo; KR Cheongju-si
- Assignee: HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD.
- Current Assignee: HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD.
- Current Assignee Address: JP Tokyo; KR Cheongju-si
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JPJP2017-183655 20170925
- International Application: PCT/JP2018/034990 WO 20180921
- International Announcement: WO2019/059334 WO 20190328
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C09K11/06 ; H01L51/50

Abstract:
There is provided an organic electroluminescence device, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in the stated order, the organic electroluminescence device being characterized in that the hole transport layer contains an arylamine compound represented by formula (1), and the light-emitting layer contains a heterocyclic compound having a fused ring structure represented by formula (2) or a heterocyclic compound having a fused ring stricture represented by formula (3), wherein each of formulas (1), (2) and (3) are set forth in the specification.
Public/Granted literature
- US20200287141A1 ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2020-09-10
Information query
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