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:
Sep. 18, 2007
Filed:
Oct. 28, 2005
Yoshinori Yasuda, Ishikawa-gun, JP;
Toshihiko Ura, Nomi, JP;
Yoshinori Yasuda, Ishikawa-gun, JP;
Toshihiko Ura, Nomi, JP;
Toshiba Matsushita Display Technology Co., Ltd., Tokyo, JP;
Abstract
An area light source device includes an L-shaped cold-cathode fluorescent lamp, a wedge-shaped light guide having an incidence surface, on which emission light from the cold-cathode fluorescent lamp is incident, and a reflector that surrounds the cold-cathode fluorescent lamp, has an opening facing the incidence surface, and reflects the emission light from the cold-cathode fluorescent lamp toward the light guide, wherein the opening of the reflector has a shape corresponding to shapes of two mutually neighboring incidence surfaces of the light guide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile