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:
Jun. 02, 2015
Filed:
Apr. 18, 2014
Nikon Corporation, Tokyo, JP;
Tatsuo Niwa, Sakura, JP;
Wakana Uchida, Fuchu, JP;
Tatsuya Senga, Kawasaki, JP;
Takahiro Kurashima, Tokyo, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
A first prism member includes a plurality of light condensing structures that are formed at the front surface and condense the light having entered thereat and a plurality of deflecting structures which deflect light having been condensed via the light condensing structures and output the deflected light; a second prism member includes an entrance surface set so as to face opposite the rear surface of the first prism member; and the light having been deflected and output by the deflecting structures of the first prism member enters the second prism member through the entrance surface of the second prism member, is guided toward the exit surface as the light is reflected at the reflecting structure and at the entrance surface inside the second prism member, and exits through the exit surface.