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:
Aug. 12, 2014
Filed:
Sep. 14, 2012
Daizaburo Matsuki, Osaka, JP;
Katsuhiko Hayashi, Nara, JP;
Kenji Hasegawa, Osaka, JP;
Hiroshi Yamaguchi, Osaka, JP;
Daizaburo Matsuki, Osaka, JP;
Katsuhiko Hayashi, Nara, JP;
Kenji Hasegawa, Osaka, JP;
Hiroshi Yamaguchi, Osaka, JP;
Panasonic Corporation, Kadoma-shi, JP;
Abstract
Provided is a backlight device having: a light source element having light emitting diodes and a lens expanding light from the light emitting diodes; a housing containing the light source element; a diffuser plate covering an opening portion of the housing; and a reflection sheet reflecting light emitted from the light source element, toward the diffuser plate. In the light source element, a plurality of the lenses are arranged at a central zone, the plurality of lenses being arranged in a plurality of rows.