Patent ID: 7290914
Filing Date: 2007-11-06
Classification: F21K,F21Y,G02B

Abstract:
1. A light source device, including: a light-guiding pillar, having a first fastening structure, a light incident surface and a light emitting surface, and the light incident surface is adjacent to the light emitting surface; an opaque layer, disposed on the surfaces of the light-guiding pillar outside the light incident surface and the light emitting surface; a light source, disposed near the light incident surface, wherein the light emitted from the light source propagates into the light-guiding pillar through the light incident surface, and then emits from the light emitting surface; and a circuit board, having a second fastening structure, wherein the light-guiding pillar and the light source are disposed on the circuit board, the light-guiding pillar is fixed on the circuit board through the coupling of the first fastening structure and the second fastening structure, and the first fastening structure and the second fastening structure is a combination of a bolt and a jack.