Patent ID: 6133589
Filing Date: 2000-10-17
Classification: H01L,Y10S

Abstract:
An AlGaInN light-emitting diode device comprising:a substrate; anda multi-layered epitaxial structure having an active region coupled to said substrate, said multi-layered epitaxial structure including a first region of epitaxial layers that is positioned above said active region and a second region of epitaxial layers that is positioned below said active region, said epitaxial layers of said first and second regions including a plurality of epitaxial layers that are composed of at least one element selected from a group consisting of aluminum, gallium, indium, and nitrogen, said multi-layered epitaxial structure having a thickness of at least four micrometers, said thickness of said multi-layered epitaxial structure effectuating an increased extraction of light emitted from said active region through sides of said multi-layered epitaxial structure.