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:
Oct. 23, 2012
Filed:
Dec. 04, 2008
Takahito Oyamada, Machida, JP;
Takahito Oyamada, Machida, JP;
Pioneer Corporation, Kanagawa, JP;
Abstract
A light-emitting device includes a transparent or semitransparent first electrode, a second electrode that forms a pair with the first electrode and reflects light, and organic semiconductor layers, which include a photoelectric converting layer that emits light by recombining holes removed from one of the first electrode and the second electrode with electrons removed from the other of the first electrode and the second electrode, wherein the organic semiconductor layers include between the first electrode and the photoelectric converting layer a light extraction improving layer, which contains at least silver or gold in part as a component, partially reflects light, and has transparency.