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:
Jul. 02, 2013
Filed:
Jan. 18, 2012
Applicant:
Shigehiro Masuji, Tokyo-to, JP;
Inventor:
Shigehiro Masuji, Tokyo-to, JP;
Assignee:
JVC Kenwood Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight device, where expense reduction is promoted by standardizing lengths of LED boards to one type. The backlight device includes: a light guide plate; and LED boards which are arranged facing end surfaces of side surface portions of the light guide plate and on which LEDs introducing light to the light guide plate are mounted, wherein lengths of long sides of the LED boards arranged on long sides facing end surfaces in a long side direction of the light guide plate and lengths of long sides of the LED boards arranged on short sides facing end surfaces in a short side direction of the light guide plate are all the same.