Patent ID: 7514724
Filing Date: 2009-04-07
Classification: H01L

Abstract:
1. A light source comprising: a die carrier comprising a die mounting section connected to a heat transfer section, said die mounting section comprising a die mounting area having a lead pad opening contained within said die mounting area; a lead frame comprising a lead pad; a body comprising an electrically insulating material that fills voids between said die carrier and said lead frame to maintain said lead frame and die carrier in a predetermined position such that a surface of said heat transfer section is exposed on a surface of said body, said lead pad is positioned in said lead pad opening, and said die carrier is electrically isolated from said lead frame; a plurality of dies attached to said die mounting area, each die comprising an LED having first and second contacts for powering that LED, said first contacts being connected electrically to said die carrier and said second contacts being connected electrically to said lead pad; and wherein said heat transfer section is positioned in an opening in said lead frame.