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. 11, 2014
Filed:
Mar. 09, 2012
Applicants:
Yuji Yano, Osaka, JP;
Hideyuki Kurimoto, Osaka, JP;
Shohgo Hirooka, Osaka, JP;
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an optical element, comprising: a side surface where incident light undergoes diffuse reflection inside the optical element, between the outline of a top optical surface and a bottom optical surface; and an inclined surface for total reflection of diffuse reflection from the side surface, formed at least between the side surface and the bottom optical surface.