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:
Jul. 20, 1999
Filed:
Nov. 06, 1996
Applicant:
Inventors:
Takamitsu Saigo, Kobe, JP;
Teruo Taniguchi, Shiga, JP;
Masayoshi Hashioka, Shiga, JP;
Mitsuhiro Okamura, Kusatsu, JP;
Kenji Kimijima, Shiga, JP;
Assignee:
Starlite Company, Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ; G01D / ;
U.S. Cl.
CPC ...
326 31 ; 362 31 ; 362 27 ; 362 26 ;
Abstract
A panel used for a surface light source device is constituted by a transparent substrate having high light transmission properties, the transparent substrate having an end surface on which light emitted from a light source is incident, a reflecting surface for reflecting the incident light, and a light emitting surface for emitting the incident light. The end surface on which the light is incident may be formed in a concave-convex shape in the direction of its end side.