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:
Jan. 01, 2013
Filed:
Nov. 20, 2008
Yuhsaku Ajichi, Osaka, JP;
Kenji Nishida, Osaka, JP;
Yuhsaku Ajichi, Osaka, JP;
Kenji Nishida, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A backlight (illumination device) of this invention includes a plurality of light source units () each including (i) at least one light source () and (ii) a light guide body () for surface-emitting light which has come from the at least one light source. In the light source unit (), the light source is disposed at one end portion of the light guide body (), and another end portion of the light guide body (), opposite to the one end portion, has a thickness from 0.05 mm to 0.15 mm. As a result, it is possible to further improve luminance uniformity in an illumination device including a plurality of light guide bodies.