Patent ID: 8899816
Filing Date: 2014-12-02
Classification: F21S,F21V,G02B,G02F

Abstract:
1. A backlight module comprising: a light guide plate having a first side surface, a second side surface, and a third side surface, the first side surface being located opposite to the second side surface, a height of the first side surface being greater than a height of the second side surface, the third side surface being located between the first side surface and the second side surface and having a light entrance surface and a light exit surface, the light entrance surface being connected to the first side surface and the light exit surface, being located at the same side of the light guide plate with the light exit surface, and being tilted upwardly relative to the light exit surface, the light exit surface being connected to the second side surface, an included angle being formed between the light entrance surface and the light exit surface; and a light emitting unit disposed on the light entrance surface, light emitted by the light emitting unit being incident into the light guide plate via the light entrance surface and then being reflected by the first side surface to emit out of the light guide plate via the light exit surface.