Granted Patent
Utility
US 6,531,827 · App. 09/924,498
Electroluminescence display which realizes high speed operation and high contrast
Inventor:
Shingo Kawashima
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Aug 9, 2001
Inventor
Shingo Kawashima
Assignee (at issue)
NEC CORPORATION
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.