Patent ID: 8616750
Filing Date: 2013-12-31
Classification: G02B

Abstract:
1. A backlight module, comprising: a first casing having a top portion and a first side portion, wherein the first side portion is connected to the top portion; a light guiding member located at an inner side of the first side portion, wherein the light guiding member has a light incident surface and a top surface; a circuit board located at the inner side of the first side portion; a light source located at the inner side of the first side portion and disposed adjacent to the light guiding member, wherein the light source is disposed on the circuit board and has a light emitting surface facing the light incident surface; and a limiting structure protruded along the direction of the height of the circuit board from a wall below the top portion and located above at least part of the light source and at least part of the top surface of the light guiding member so that the limiting structure can limit the light incident surface and the light emitting surface to be at the same height.