Patent ID: 8469581
Filing Date: 2013-06-25
Classification: G02F

Abstract:
1. A backlight unit comprising: 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, wherein the resin frame has rectangular shape in planar view and has a protrusion, said same protrusion of the resin frame being located on a corner or adjacent to a corner of the rectangular shape thereof, and said same protrusion protrudes both the metal frame having a notch formed by cutting a side wall thereof on the upper surface thereof so that said same protrusion passes therethrough, and the opening allows the light from the light guiding module to pass therethrough, wherein the notch of the metal frame extends through the entire height of the side wall of the metal frame, said height of the side wall being along the thickness of the metal frame.