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:
Jan. 29, 2008
Filed:
Dec. 27, 2002
Applicants:
Koji Ohtsuka, Niiza, JP;
Hitoshi Murofushi, Niiza, JP;
Inventors:
Koji Ohtsuka, Niiza, JP;
Hitoshi Murofushi, Niiza, JP;
Assignee:
Sanken Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor light-emitting device includes substrate (), a plurality of light-emitting-element-layers (. . . ) of semiconductor material formed on the substrate () so as to be isolated from each other and having a wider band gap than the substrate (), and phosphors (. . . ) converting wavelengths of light from the light-emitting-element-layers (. . . ) into other wavelengths.