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:
Apr. 16, 2013
Filed:
Jun. 18, 2010
Shusaku Kon, Tokyo, JP;
Shusaku Kon, Tokyo, JP;
NEC Lighting, Ltd., Tokyo, JP;
Abstract
A surface light-emitting element radiates light emitted to a side of a surface light-emitting device. The surface light-emitting device includes: a polygonal transparent substrate, and a light-emitting element disposed on one face of the transparent substrate. The light-emitting element is a laminated body including a transparent electrode which is positively charged and functions as an anode, a negative electrode which becomes negatively charged and functions as a cathode opposite the transparent electrode, and a light-emitting layer between the transparent electrode and a negative electrode. Lengths of respective sides and a thickness of the transparent substrate have a relationship that if b denotes the thickness of transparent substrate, dividing the lengths of the respective sides by 4b results in values ranging from 0.5 (inclusive) to 10 (inclusive).