Patent ID: 8858021
Filing Date: 2014-10-14
Classification: F21S,F21V,F21W,F21Y

Abstract:
1. A one-piece LED lens having a body, multiple pillars and two positioning posts, the pillars, two positioning posts and the body integrally made from the same material, the body having an optical axis, a top surface and a bottom surface opposite to the top surface, the top surface being for a light-incident surface, the bottom surface being for a light-exit surface, wherein each of the pillars elongates downward continuously from a periphery of the body along a direction parallel to the optical axis direction, and the pillars has distal ends lower than the bottom surface, and wherein the two positioning posts extend upward from the periphery of the body along a direction parallel to the optical axis direction, the two positioning posts are oppositely located nearby the top surface of the body.