Patent ID: 7566146
Filing Date: 2009-07-28
Classification: G02F

Abstract:
1. A backlight unit, comprising: a case having an opening and an inner space; a reflector installed within the inner space of the case and having a first reflective portion and a second reflective portion; and a light source disposed on the first reflective portion of the reflector; wherein the first reflective portion is a flat bottom surface, wherein the second reflective portion of the reflector is provided along first and second sides of the case, and wherein the second reflective portion of the reflector includes: a first side wall and a second side wall on opposite sides of the case having a first gradient angle with respect to the first reflective portion of the reflector, wherein the first and second side walls are perpendicular to the first reflective portion and on opposite sides of the case; and a third side wall and a fourth side wall respectively extending from the first and second side walls and extending symmetrically from an end of the first and second side walls at a second gradient angle with respect to the first reflective portion of the reflector.