A LED AND ITS MANUFACTURING METHOD

摘要

A LED and its manufacturing method are provided. Said LED includes: heat-sink substrate; a metal contact pad which is formed on the heat-sink substrate; a reflecting layer which is formed on the metal contact pad, and a lighting lamilation which is formed on the reflecting layer. The lighting lamination includes a p-type layer, an lighting layer and a n-type layer which are formed successively; two electrode layer which are formed on the back side of the heat-sink substrate and the n-type layer respectively.