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. 05, 1997
Filed:
May. 24, 1995
Applicant:
Inventor:
Shunji Murano, Yokaichi, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399220 ; 399-4 ; 399207 ; 399221 ; 359820 ;
Abstract
A lens plate is provided with many lenses, and a base plate is provided with many LED arrays and driving ICs arranged at respective opposite ends of the base plate. The lens plate and the base plate are positioned in place relative to each other by spacers. The base plate has a thermal conductive layer and a thermal preserving layer over the layer. Grooves are formed in the preserving layer between the driving ICs and the LED arrays.