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:
Sep. 25, 2012
Filed:
Mar. 17, 2010
Applicant:
Naoki Wada, Ehime-ken, JP;
Inventor:
Naoki Wada, Ehime-ken, JP;
Assignees:
Harison Toshiba Lighting Corp., Ehime, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/78 (2006.01); F21V 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window.