Granted Patent
Utility
US 6,831,302 · App. 10/724,004
Light emitting devices with improved extraction efficiency
Inventors:
Alexei A. Erchak, Eleftrios Lidorikis, Chiyan Luo
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Nov 26, 2003
Inventors
Alexei A. Erchak
Eleftrios Lidorikis
Chiyan Luo
Assignee (at issue)
Luminus Devices, Inc.
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.