Granted Patent
Utility
US 6,518,709 · App. 09/973,794
Color organic EL display and method for driving the same
Inventors:
Yuichi Iketsu, Eiichi Kitazume
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Oct 11, 2001
Inventors
Yuichi Iketsu
Eiichi Kitazume
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.