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:
Sep. 09, 2010
Yoshitaka Kitamura, Kanagawa, JP;
Yoshitaka Kitamura, Kanagawa, JP;
UDC Ireland Limited, Dublin, IE;
Abstract
The organic electroluminescent element of the present invention includes at least a pair of electrodes, at least one organic light-emitting layer between the pair of electrodes, and at least one lens A on a light-extracting surface of the pair of electrodes, wherein one of the pair of electrodes is a reflective electrode, and the other is a semi-transmissive/semi-reflective electrode, and wherein a real part nof a refractive index of the organic light-emitting layer and a real part nof a refractive index of the lens A satisfy the relationship n>n, and the real part nis represented by Expression (1) described below:n≦nsin θ  Expression (1).