Patent ID: 8360588
Filing Date: 2013-01-29
Classification: F21K,F21Y,G02B

Abstract:
1. A pillar light emitting module, comprising: a light guide bar having a first end and a second end opposite to the first end; a first sleeve holding the first end of the light guide bar and having a first bottom surface; a second sleeve holding the second end of the light guide bar and having a second bottom surface; at least two light sources facing the first end and the second end respectively and disposed adjacent to the first bottom surface and the second bottom surface for emitting light to enter the light guide bar; a plurality of first diffusion structures disposed on the first bottom surface and the second bottom surface respectively for guiding the light to the light guide bar; and at least two reflective films disposed on the first diffusion structures disposed on the first bottom surface and the second bottom surface, wherein the reflectivity of the two reflective films at least equals 60%.