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:
May. 25, 2004
Filed:
Apr. 11, 2003
Applicant:
Inventor:
Hiroto Isoda, Yamanashi-ken, JP;
Assignee:
Citizen Electronics Co., Ltd., Yamanashi-ken, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/9267 ;
U.S. Cl.
CPC ...
H01L 2/9267 ;
Abstract
A substrate has a pair of metal bases, and a first heat insulation layer disposed between the metal bases. A second heat insulation layer is securely mounted on the metal bases, and a pair of circuit patterns are securely mounted on the second heat insulation layer for mounting an LED.