Patent ID: 8305511
Filing Date: 2012-11-06
Classification: G02B

Abstract:
1. A backlight module, comprising: a beam splitting film, comprising: a light guide plate, disposed at a side of the beam splitting film, wherein the light guide plate has a third surface, a fourth surface opposite to the third surface, and two light incident surfaces connected to the third surface and the fourth surface, the two light incident surfaces are respectively located at two opposite sides of the light guide plate, the third surface is located between the second surface and the fourth surface, and the second surface is located between the first surface and the third surface; and two light emitting devices, respectively disposed beside the two light incident surfaces and capable of emitting two light beams, wherein the two light beams are respectively capable of entering the light guide plate through the two light incident surfaces, and are capable of being transmitted to the beam splitting film through the third surface, and the two light emitting devices are capable of alternately flickering.