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:
Nov. 05, 2013
Filed:
Jan. 19, 2011
Yoji Urano, Osaka, JP;
Yoji Urano, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A lighting apparatus comprising: an elongated-shaped LED unit provided with a plurality of lighting units on one surface in the thickness direction thereof, each of said lighting units having a LED chip; a reflective plate held by a main body; a lighting device for lighting the LED unit; and a heat radiation block to which said LED unit being replaceably attached, configured to dissipate the heat generated in the LED unit, and arranged at the other surface side in the thickness direction of the LED unit. The reflective plate has an installation portion for installing the LED unit. The heat radiation block is held by the reflective plate. The LED unit has a flat portion at light extracting surface from the lighting unit. The flat portion has the same plane with a surrounding area of the installation portion in a reflective surface of the reflective plate.