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:
May. 05, 2009
Filed:
Mar. 22, 2005
Jun Ogasawara, Minami-ashigara, JP;
Saisuke Watanabe, Minami-ashigara, JP;
Jun Ogasawara, Minami-ashigara, JP;
Saisuke Watanabe, Minami-ashigara, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
An organic electroluminescence element, which contains at least one organic layer that includes a luminescent layer between a pair of electrodes, wherein the organic layer contains at least one compound represented by formula (1): wherein Rand Reach independently represent an aryl or heteroaryl group; when Ror Ris a phenyl group, it has no nitrogen-containing heterocyclic group on Ror Ras a substituent; Arand Areach independently represent a group represented by formula (2): wherein Arrepresents an arylene or heteroarylene group; R, R, R, and Reach independently represent a substituent or a hydrogen atom; Lrepresents a substituted or unsubstituted o-arylene or vinylene group, —NR— (R represents a substituent), —O—, or —S—; and m is 0 or 1.