Patent ID: 7572654
Filing Date: 2009-08-11
Classification: H01L,Y10S

Abstract:
1. A method for making a light emitting diode, comprising the steps of: mixing a plurality of reflective particles into a plurality of transparent resin particles to attain a raw material; heating and melting the raw material to form a molten reflective material; and providing a multi-shot injection mold having a first shot cavity for receiving the molten reflective material and a second shot cavity for receiving molten transparent resin material; injection molding the molten reflective material and the molten transparent resin material to produce an optical lens made of transparent resin derived from the molten transparent resin material and having a reflective film derived from the molten reflective material, the optical lens defining a light input surface, a top interface opposite to the light input surface, and a light output surface between the light input surface and the top interface, the reflective film being formed in immediate contact with the top interface; and coupling the optical lens to a light output unit to form a light emitting diode, the light input surface of the optical lens facing the light output unit.