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:
Oct. 22, 2013
Filed:
Dec. 28, 2010
Koichi Kamei, Hyogo, JP;
Minoru Shigoku, Hyogo, JP;
Yoshihisa Yokokawa, Hyogo, JP;
Yoshihiro Kanahashi, Hyogo, JP;
Koichi Kamei, Hyogo, JP;
Minoru Shigoku, Hyogo, JP;
Yoshihisa Yokokawa, Hyogo, JP;
Yoshihiro Kanahashi, Hyogo, JP;
Ushio Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An LED linear light source includes an approximately rod-shaped light guiding member, at an end portion of which an LED is provided. The light guiding member is in an approximately arc shape in a cross sectional view taken perpendicular to an optical axis. The light guiding member has an upper face including a light emission face for emitting light and a lower face including a reflective face, which are arranged in parallel. A diffusing member diffuses light provided on part of an outer circumferential face adjacent to a light entering end face of the light guiding member. A light absorption member is provided in an outside of the light guiding member near at an end portion thereof.