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:
Dec. 11, 2012
Filed:
Mar. 16, 2011
Applicants:
Masato Nishizeki, Haohioji, JP;
Tomohiro Oshiyama, Haohioji, JP;
Inventors:
Masato Nishizeki, Haohioji, JP;
Tomohiro Oshiyama, Haohioji, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A white light emitting organic electroluminescent element comprising two electrodes having therebetween one or more constituting layers including a light emission layer, the one or more constituting layers comprising at least two phosphorescent compounds, wherein at least one of the phosphorescent compounds is a green light emitting ortho metalated complex; and a spectral ratio of the green light emitting ortho metalated complex in ae emission spectral distribution in a range of 400-800 nm is not less than 60%.