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:
May. 14, 2013
Filed:
Apr. 30, 2009
Applicant:
Nobuhiro Kasai, Osaka, JP;
Inventor:
Nobuhiro Kasai, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 4/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illuminating device includes a hot-cathode fluorescent tube (discharge tube) and a light emitting surface that emits light from the hot-cathode fluorescent tube. An auxiliary light emitting portion is provided in the vicinity of a non-lighting region of the hot-cathode fluorescent tube. The auxiliary light emitting portion includes an optical fiber having an incident portion for receiving light from the hot-cathode fluorescent tube, and a light guide plate that receives light from the optical fiber and emits the incident light toward the light emitting surface.