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:
Aug. 01, 2006
Filed:
May. 11, 2005
Wataru Sotoyama, Kawasaki, JP;
Tasuku Sato, Kawasaki, JP;
Hiroyuki Sato, Kawasaki, JP;
Azuma Matsuura, Kawasaki, JP;
Norio Sawatari, Kawasaki, JP;
Toshiaki Narusawa, Kanagawa, JP;
Wataru Sotoyama, Kawasaki, JP;
Tasuku Sato, Kawasaki, JP;
Hiroyuki Sato, Kawasaki, JP;
Azuma Matsuura, Kawasaki, JP;
Norio Sawatari, Kawasaki, JP;
Toshiaki Narusawa, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene compound represented by following Structural Formuala (1): wherein R, R, Rand Rmay be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R, R, R, R, R, R, R, R, Rand Reach represent hydrogen atom or a substituent: wherein Rand Rmay be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where Rand Rmay be bound to each other directly or indirectly.