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:
Aug. 18, 2015
Filed:
Jun. 13, 2012
Masahiro Naruo, Osaka, JP;
Shigeru Ido, Osaka, JP;
Sana Esaki, Osaka, JP;
Akinori Hiramatu, Osaka, JP;
Masahiro Naruo, Osaka, JP;
Shigeru Ido, Osaka, JP;
Sana Esaki, Osaka, JP;
Akinori Hiramatu, Osaka, JP;
Abstract
A light emitting device includes a set of light source units including multiple types of solid state light emitting elements having different light colors, each of the light source units comprising the same type of the solid state light emitting elements connected in series and; and an information storage unit which stores information about electrical characteristic of the set of light source units. The information stored in the information storage unit represents a relationship between a light output and a drive current in the set of light source units.