Patent ID: 8157422
Filing Date: 2012-04-17
Classification: F21K,F21V,F21Y,Y10S

Abstract:
1. A lighting apparatus comprising: a light source including at least one light-emitting diode over a substrate on which the light-emitting element is mounted; a heat sink to dissipate heat generated by the light source placed therein, wherein the heat sink includes a first surface having first fastening threads; and a lens provided over the light source, wherein the lens includes a first surface having second fastening threads, wherein the first and second fastening threads mate with each other to fasten the lens to the heat sink, wherein the heat sink includes a cavity, and wherein the first fastening threads of the heat sink are positioned inside the cavity, wherein the lens includes a condenser lens having a flange and a connector guide portion provided at a lower end of the flange, and wherein the second fastening threads are provided at the connector guide portion.