Granted Patent
Utility
US 6,133,589 · App. 09/328,870
AlGaInN-based LED having thick epitaxial layer for improved light extraction
Inventors:
Michael R. Krames, Paul Scott Martin, Tun Tan
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 8, 1999
Inventors
Michael R. Krames
Paul Scott Martin
Tun Tan
Assignee (at issue)
Lumileds Lighting US, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.