Patent ID: 9052071
Filing Date: 2015-06-09
Classification: F21K,F21V,F21Y,G02B

Abstract:
1. A light-guiding structure, comprising: a light-guiding unit including a single light-guiding element, wherein the single light-guiding element has a columnar body and an expansion body integrally and upwardly extended from the columnar body, the columnar body has a light input surface and a vertical surrounding peripheral surface, and the expansion body has a surrounding bottom planar surface connected with the vertical surrounding peripheral surface and sloped to the vertical surrounding peripheral surface, an arc-shaped surrounding corner surface connected with the surrounding bottom planar surface, an inclined surrounding peripheral planar surface connected with the arc-shaped surrounding corner surface and sloped to the surrounding bottom surface, and a trumpet-shaped top surface connected with the inclined surrounding peripheral planar surface; and a light-emitting unit including at least one light-emitting module adjacent to the light input surface of the columnar body.