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:
Nov. 16, 2004
Filed:
Feb. 20, 2002
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/700 ;
U.S. Cl.
CPC ...
G02B 1/700 ;
Abstract
An optical element includes first and second members. The first member has a first surface including a first concave portion. The second member has a second surface including a second concave portion and transmits incoming light therethrough. The first and second members are disposed so that the first and second surfaces are opposed to each other. First and second reflective regions have been formed on the first and second concave portions, respectively. At least part of the incoming light that has been transmitted through the second member is reflected from at least one of the first and second reflective regions.