Patent ID: 8303154

Claim:
A backlight assembly comprising: a plurality of light sources generating and emitting light; and a diffusion plate comprising: an incident surface on which the light is incident, an exit surface which is opposite the incident surface and from which the light exits, and a group of consecutive first lens patterns each having a first shape, and a group of consecutive second lens patterns each having a second shape different than the first shape, wherein the group of consecutive first lens patterns and the group of consecutive second lens patterns alternate are both on the exit surface, the group of consecutive first lens patterns adjacent to the group of consecutive second lens patterns form a pair, and only one of the plurality of light sources overlaps the pair such that each pair has one of the plurality of light sources aligned below the pair, and the first shape or the second shape comprises a curved portion which forms a curve, and a linear portion extending from each of opposing ends of the curved portion, respectively.