Granted Patent
Utility
US 5,416,342 · App. 08/081,668
Blue light-emitting diode with high external quantum efficiency
Inventors:
John Edmond, Hua-Shuang Kong
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Jun 23, 1993
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.