Patent ID: 9551823
Date: 2017-01-24
CPC Classifications: G02B

Claim:
1. A backlight module, comprising: a circuit board; a plurality of light-emitting elements, disposed on the circuit board and separated from each other; a frame, including a base plate and two lateral plates extended from the base plate, wherein the circuit board is disposed on the base plate; a plurality of first and second reflecting portions disposed on the two lateral plates and arranged in a staggered manner, wherein the first reflecting portions are closer to the light-emitting elements than the second reflecting portions, and the reflectivity of the second reflecting portions exceeds that of the first reflecting portions; and a light-guide plate disposed between the two lateral plates of the frame, and the light-guide plate includes a light-incident surface and a light-emitting surface perpendicular thereto, wherein the light from the light-emitting elements enters the light-guide plate from the light-incident surface and exits by the light-emitting surface, and the entirety of both the first reflecting portions and the second reflecting portions on both of the two lateral plates are respectively separated from the entirety of the light-guide plate by a gap.