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:
Oct. 02, 2007
Filed:
Nov. 19, 2003
Mitsuru Kano, Fukushima-ken, JP;
Hiroyasu Miyata, Miyagi-ken, JP;
Tatsumaro Yamashita, Miyagi-ken, JP;
Mitsuo Ohizumi, Fukushima-ken, JP;
Mitsuru Kano, Fukushima-ken, JP;
Hiroyasu Miyata, Miyagi-ken, JP;
Tatsumaro Yamashita, Miyagi-ken, JP;
Mitsuo Ohizumi, Fukushima-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
An illuminating device is disclosed., which is high brightness and able to reduce leaking light and preferably made thin. A front light has a light guide plate, a bar light guide body and a light emitting element. A prism shape for reflecting propagating light within the light guide plate and emitting this propagating light to the side of an emitting face of the light guide plate is formed on the emitting face of the light guide plate.