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:
Feb. 03, 2009
Filed:
Mar. 19, 2004
Yoshiyuki Suzuri, Musashino, JP;
Hiroshi Kita, Hachioji, JP;
Tomohiro Oshiyama, Hachioji, JP;
Mitsuhiro Fukuda, Chofu, JP;
Noriko Ueda, Hino, JP;
Yoshiyuki Suzuri, Musashino, JP;
Hiroshi Kita, Hachioji, JP;
Tomohiro Oshiyama, Hachioji, JP;
Mitsuhiro Fukuda, Chofu, JP;
Noriko Ueda, Hino, JP;
Abstract
Disclosed are an organic electroluminescent element comprising a light emission layer containing a phosphorescent compound and a hole transporting layer adjacent thereto containing a hole transporting material, wherein the hole transporting material has a 0-0 band of the phosphorescence spectra of from 300 to 450 nm and has a molecular weight of not less than 550, and an illuminator and a display each comprising the organic electroluminescent element.