Granted Patent
Utility
US 5,739,554 · App. 08/436,141
Double heterojunction light emitting diode with gallium nitride active layer
Inventors:
John Edmond, Hua-Shuang Kong
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: May 8, 1995
Inventors
John Edmond
Hua-Shuang Kong
Assignee (at issue)
Cree Research 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.