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:
Jul. 10, 2012
Filed:
Jun. 07, 2010
Yoshitaka Kitamura, Kanagawa, JP;
Yoshitaka Kitamura, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
To provide an organic electroluminescence element, containing: at least one pair of electrodes; at least one organic light-emitting layer disposed between the electrodes, the organic light-emitting layer comprising two phosphorescent light-emitting materials and a charge-transporting material, wherein the organic light-emitting element is a white organic light-emitting element, and the charge-transporting material is a hole-transporting material, and wherein one of the two phosphorescent light-emitting materials is a platinum complex expressed by the following general formula 1, and the other is an iridium complex expressed by any one of the following general formulae 2A to 2C: