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. 16, 2016
Filed:
Dec. 23, 2013
Omron Corporation, Kyoto-shi, Kyoto, JP;
Masayuki Shinohara, Nagaokakyou, JP;
Kazuhide Hirota, Moriyama, JP;
Norikazu Kitamura, Kusatsu, JP;
Takako Ishikawa, Kobe, JP;
OMRON Corporation, Kyoto, JP;
Abstract
A light guide plate has a light introduction part having an end face configured to have light incident thereon, and a light guide plate body disposed continuously to the light introduction part and comprising a thickness smaller than a maximum thickness of the light introduction part. The light guide plate body has a light emitting surface that emits the light incident from the end face. The light introduction part comprises an inclined face disposed on at least one side of the light guide plate. The inclined face is inclined smoothly from a surface of a part thicker than the light guide plate body toward an end of the light guide plate body. An optical pattern part has a linear pattern element is disposed near a region in a proximity of the inclined face in a face on a light exit side of the light guide plate body.