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:
Sep. 08, 2015
Filed:
Nov. 25, 2011
Takashi Ochi, Osaka, JP;
Masakazu Shibasaki, Osaka, JP;
Iori Aoyama, Osaka, JP;
Yuichi Iyama, Osaka, JP;
Katsuhiro Kikuchi, Osaka, JP;
Takashi Ochi, Osaka, JP;
Masakazu Shibasaki, Osaka, JP;
Iori Aoyama, Osaka, JP;
Yuichi Iyama, Osaka, JP;
Katsuhiro Kikuchi, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
A light guiding element has a first principal surface, a second principal surface which opposes the first principal surface, a first lateral surface which intersects with the first principal surface and the second principal surface, and a second lateral surface which opposes the first lateral surface. The light guiding element allows light incoming from the first lateral surface to propagate between the first principal surface and the second principal surface. The light guiding element includes a portion in which a refractive index varies substantially continuously from the first principal surface toward the second principal surface.