Invention Grant
- Patent Title: Specifically substituted ladder type compounds for organic light emitting devices
-
Application No.: US16469977Application Date: 2017-12-19
-
Publication No.: US11264576B2Publication Date: 2022-03-01
- Inventor: Yumiko Mizuki , Kei Yoshida , Kiyoshi Ikeda , Masahiro Kawamura
- Applicant: IDEMITSU KOSAN CO., LTD.
- Applicant Address: JP Chiyoda-ku
- Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee: IDEMITSU KOSAN CO., LTD.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP16205036 20161219
- International Application: PCT/IB2017/058113 WO 20171219
- International Announcement: WO2018/116152 WO 20180628
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D493/04 ; C09K11/02 ; H01L51/50
Abstract:
Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
Public/Granted literature
- US20200013963A1 SPECIFICALLY SUBSTITUTED LADDER TYPE COMPOUNDS FOR ORGANIC LIGHT EMITTING DEVICES Public/Granted day:2020-01-09
Information query
IPC分类:
