Granted Patent
Utility
US 5,648,793 · App. 07/818,132
Driving system for active matrix liquid crystal display
Inventor:
Yen-Chen Chen
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jan 8, 1992
Inventor
Yen-Chen Chen
Assignee (at issue)
Industrial Technology Research Institute
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.