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:
Apr. 28, 2015
Filed:
Nov. 09, 2010
Tomohiro Kosaka, Osaka, JP;
Toshinori Sugihara, Osaka, JP;
Tomofumi Osaki, Osaka, JP;
Takehisa Yoshida, Osaka, JP;
Tomohiro Kosaka, Osaka, JP;
Toshinori Sugihara, Osaka, JP;
Tomofumi Osaki, Osaka, JP;
Takehisa Yoshida, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A lighting device includes light sources arranged at an end, light guide portions arranged along an arrangement direction of the light sources and receiving light from the light sources, and light output portions arranged along a direction crossing the arrangement direction and exiting light from the light guide portions. The light output portions include at least a first light output portion and a second light output portion. The first light output portion is arranged relatively close to the light sources and the second light output portion is arranged relatively farther from the light sources with respect to the first light output portion. The light guide portions include at least a first light guide portion and a second light guide portion, and the first light guide portion is optically connected to the first light output portion and the second light guide portion is optically connected to the second light output portion.