Granted Patent
Utility
US 6,657,236 · App. 09/727,803
Enhanced light extraction in LEDs through the use of internal and external optical elements
Inventors:
Brian Thibeault, Michael Mack, Steven P. DenBaars
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Nov 28, 2000
Inventors
Brian Thibeault
Michael Mack
Steven P. DenBaars
Assignee (at issue)
CREE LIGHTING COMPANY
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.