Patent ID: 6100103
Filing Date: 2000-08-08
Classification: H01L

Abstract:
A method for manufacturing a light emitting device comprising the steps of:forming a p-type clad layer for blue color light emitting element, an active layer for blue color light emitting element, an n-type common clad layer, an active layer for green color light emitting element and a p-type clad layer for green color light emitting element on a transparent substrate, subsequently;forming a transparent insulating layer on said p-type clad layer for green color light emitting element;forming a p-type clad layer, an active layer and an n-type clad layer for red color light emitting element on said transparent insulating layer, subsequently;forming ohmic contact areas on said p-type clad layer for blue color light emitting element, said n-type common clad layer, said p-type clad layer for green color light emitting element and said p-type clad layer for red color light emitting element, respectively;forming metal contact layers on said ohmic contact areas of said p-type clad layer for blue color light emitting element, said n-type common clad layer, said p-type clad layer for green color light emitting element and said p-type clad layer for red color light emitting element, respectively;forming a first, a second and a third electrode in a wiring substrate, wherein ends of said first, second and third electrode are destined to be coupled to said p-type clad layers of said blue, green and red light emitting elements, respectively;forming a first and a second metal pad layers, wherein said first metal pad layer is destined to be coupled to said first, second and third electrodes and said second metal pad layer is destined to be coupled to said n-type clad layer for said red color light emitting element and said n-type common clad layer;forming metal bumps of different height on said first and second metal pad layers, respectively;bonding said metal contact layers onto said metal bumps, respectively, so that said red, green, blue color light emitting elements and said transparent substrate are formed in order.