Patent ID: 8430550

Claim:
A backlight module comprising: a light guiding plate comprising a light incident surface, a light emitting surface connecting the light incident surface, and a bottom surface opposite to the light emitting surface; a light source; and a light guiding bar comprising a light incident surface and a light emitting surface connecting the light incident surface, the light incident surface of the light guiding bar facing the light source, the light source configured for emitting light along a lengthwise direction of the light guiding bar, the light emitting surface of the light guiding bar opposite to the light incident surface of the light guiding plate, the light emitting surface of the light guiding bar having a greater length than a length of the light incident surface of the light guiding plate along the lengthwise direction of the light guiding bar, causing two opposite end portions of the light emitting surface of the light guiding bar being offset across from the light incident surface of the light guiding plate.