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:
Mar. 26, 2013
Filed:
Apr. 10, 2009
Takeshi Masuda, Osaka, JP;
Yuhsaku Ajichi, Osaka, JP;
Yukihide Kohtoku, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Each of light guides () has: a reflection surface (); and a light emitting surface () that is opposite to the reflection surface () and is not covered by a neighboring light guide (). The light emitting surface () is made up of a first emitting surface () and a second emitting surface (). The first emitting surface () is substantially parallel with the reflection surface (). The second emitting surface () is substantially parallel with an irradiated surface. The each of the light guides () is provided with microprisms () serving as diffusing means at least in a first emitting surface region () in which there is the first emitting surface ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile