The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2020
Filed:
Oct. 01, 2014
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Tasuku Haketa, Chiba, JP;
Masahiro Kawamura, Ichihara, JP;
Yumiko Mizuki, Basel, CH;
Hirokatsu Ito, Ichihara, JP;
Tomoharu Hayama, Utsunomiya, JP;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Abstract
The present invention provides a compound having a fluoranthene skeleton represented by the formula (1); an organic electroluminescence device having plural organic thin film layers including a light-emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers contains the compound; and an electronic equipment provided with the organic electroluminescence device. The organic electroluminescence device realizes further lower voltage driving and has high emission efficiency. [In the formula (1), Xto X, L, Rto R, and n are as stated in the description.]