Patent ID: 7018086
Filing Date: 2006-03-28
Classification: G02B

Abstract:
1. A back light module for providing a plane light source, at least comprising: a light-guiding plate having a top surface, a bottom surface and at least a side surface; a side light source positioned next to one side surface of the light-guiding plate, wherein light from the side light source is able to enter the side surface of the light-guiding plate and emerges from the top surface after deflection by the bottom surface; a bottom light source attached to the bottom surface of the light-guiding plate, wherein light from the bottom light source is able to enter the bottom surface of the light-guiding plate and emerge from the top surface of the light-guiding plate; and a reflective holder positioned next to the side surface of the light-guiding plate that also encloses the side light source.