DIRECT TYPE BACKLIGHT MODULE

摘要

A backlight module includes a back cover, a reflective sheet, a lamp shade, a plurality of light sources, a collimating lens, a reflector and a light-guiding plate positioned facing the plurality of light sources. At least one prismatic-shaped protrusion portion and at least two light incident portions are defined on the surface of the light-guiding plate facing the light sources. The reflector is positioned between the light source and one light incident portion. The reflector defines several light transmission holes. The collimating lens is positioned between the light source and the reflector.

主权项

1. A backlight module comprising:
a back cover; a reflective sheet attached to the back cover; a lamp shade position on the back cover; a plurality of light sources mounted on the lamp shade; a light guiding plate, with a first face of the light guiding plate facing the light sources; a reflector; and a collimating lens;
wherein, at least one substantially triangular prism protrusion extends from the first face of light guiding plate and the first face of guiding plate includes at least two light incident portions;wherein, the collimating lens is substantially positioned between a substantial portion of the plurality of light sources and the reflector; andwherein, the reflector includes a plurality of light transmission portions and is substantially positioned above a substantial portion of the plurality of light sources and is positioned below one of the at least two light incident portions of the light guiding plate.