Patent ID: 8547501

Claim:
A backlight assembly comprising: a light source that generates light; and a first optical member, wherein the first optical member comprises: a body having a shape of a plate, the body including an incident surface to which the light is incident and an exit surface facing the incident surface, from which the light exits; and a first diffusion member disposed on the exit surface to diffuse the light, the first diffusion member having an embossed shape that protrudes from the body, wherein the first diffusion member comprises: at least three inclined surfaces, wherein the at least three inclined surfaces meet at a single vertex, each of the at least three surfaces is inclined with respect to a flat portion of the exit surface, and each of the at least three inclined surfaces includes two edges; wherein the two edges of each inclined surface extend between the exit surface and the single vertex spaced apart from the exit surface and have a curved shape, and the inclined surfaces are flat between any points on the two edges that are equidistant from the exit surface.