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:
Jun. 25, 2013
Filed:
Feb. 11, 2009
Takashi Matsuo, Tokushima, JP;
Takashi Matsuo, Tokushima, JP;
Nichia Corporation, Anan-shi, JP;
Abstract
To provide a backlight having a positioning member that can prevent from coming off from metal frame and damaging a display panel even when used in a harsh environment such as undergoing sharp temperature changes. A backlight unit comprises a light guiding module having a light source and a light guide plate; a resin frame having a recess formed by side walls and bottom surface thereof, and housing the light guiding module; and a metal frame fitted with the resin frame, having an opening in an upper surface thereof and the opening being located above the recess of the resin frame, and allowing to pass light from the light guiding module therethrough. The resin frame has a protrusion on the top surface of one of the side walls of the recess. The metal frame has a notch on the upper surface thereof so that the protrusion passes therethrough. The opening allows the light from the light guiding module to pass therethrough.