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:
Feb. 20, 2007
Filed:
Oct. 07, 2003
Applicants:
Katsuhiko Noguchi, Yamanashi-ken, JP;
Megumi Horiuchi, Yamanashi-ken, JP;
Inventors:
Katsuhiko Noguchi, Yamanashi-ken, JP;
Megumi Horiuchi, Yamanashi-ken, JP;
Assignee:
Citizen Electronics Co., Ltd., Yamanashi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01); H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blue light emitting element is mounted on a bottom of a case body. A cover member covers the blue light emitting element. Fluorescent material is mixed in the cover member for converting wavelength of light emitted from the blue light emitting element to adjust chromaticity of the light, and luminance reducing material for adjusting the luminance of the light is mixed in the cover member.