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. 30, 2014
Filed:
Aug. 02, 2012
Kyohei Nakamura, Kyoto, JP;
Satoru Yamauchi, Osaka, JP;
Toshizumi Okada, Osaka, JP;
Hiroyuki Yamaoka, Osaka, JP;
Kyohei Nakamura, Kyoto, JP;
Satoru Yamauchi, Osaka, JP;
Toshizumi Okada, Osaka, JP;
Hiroyuki Yamaoka, Osaka, JP;
Panasonic Corporation, Osaka, JE;
Abstract
An illumination apparatus includes light sources; a light guide plate guiding lights from the light sources; a housing holding the light sources and the light guide plate; and an apparatus attachment part. The light sources are arranged around the apparatus attachment part, and the light guide plateis provided outside the apparatus attachment part to face the housing and cover a front side of the light sources. The light guide plate includes a main light guide part guiding lights from the light sources toward an outer periphery of the light guide plate and scattering and emitting the lights to a surface of the main light guide part; and an auxiliary light guide part integrated with the main light guide part at an inner peripheral side of the main light guide part and guiding and emitting the lights from the light sources toward the central portion of the housing.