Granted Patent
Utility
US 6,462,470 · App. 10/055,990
Organic electroluminescent display with three kinds of layer-stacked devices
Inventors:
Shigeyoshi Ootsuki, Yoshikazu Yamaguchi
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 28, 2002
Inventors
Shigeyoshi Ootsuki
Yoshikazu Yamaguchi
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.