Patent ID: 7594744

Claim:
A backlight module configured to uniformly illuminate a liquid crystal display panel, comprising: a light guide plate comprising a base plate and a reflecting film, the base plate having an upper surface on which a plurality of protrusions is formed, a curved bottom surface opposite to the upper surface, and a housing defined therein; and a light source accommodated in the housing, some of light beams emitted from the light source going to the upper surface of the base plate, and some of light beams emitted from the light source going to the curved bottom surface of the base plate, wherein the reflecting film is plated on the curved bottom surface, for reflecting the light beams reaching the curved bottom surface to emit from the upper surface, the plurality of protrusions diffusing the light beams, the base plate comprises a first portion and a second portion separately formed and then assembled together, the first portion having an edge adjacent an edge of the second portion, a slot defined in one of the adjacent edges.