Patent ID: 8408776

Claim:
A backlight module comprising: a first light guide plate having a first light-exit face and at least one first light-incidence face; a second light guide plate positioned adjacent to the first light guide plate, the second light guide plate having a second light-exit face and at least one second light-incidence face; a double-emitting light source positioned between the first light guide plate and the second light guide plate, wherein light emitted from the double-emitting light source enters the first light guide plate from the first light-incidence face and enters the second light guide plate from the second light-incidence face; a diffuser sheet positioned on the first light guide plate and the second light guide plate without contacting the first light guide plate, the second light guide plate and the double-emitting light source, the diffuser sheet being parallel to the first light-exit face and the second light-exit face; and a light mixing space disposed between the diffuser sheet and the first light guide plate, and between the diffuser sheet and the second light guide plate, wherein the light passing through the first light-exit face and the second light-exit face mixes in the light mixing space before being emitted from the backlight module.