Patent ID: 6851815

Claim:
A backlight assembly, comprising; a lamp assembly for generating and emitting light in a first direction; a first light guide plate for enhancing a brightness of the light, the light guide plate including a body for guiding the light transmitted from the lamp assembly, the body has brightness enhancing recesses that are formed on a bottom surface, each of the brightness enhancing recesses having at least three sidewalls which reflect light beams that are irradiated on the sidewalls, said light beams having different light amounts and pathways from each other, each area of the sidewalls of the brightness enhancing recesses being proportional to the amount of the light beams and the brightness enhancing recesses have a polyhedron horn shape; and a light reflection plate for returning the light that is leaked out of the first guide plate, said light reflection plate being mounted on the bottom surface of the first light guide plate.