Granted Patent
Utility
US 5,847,690 · App. 08/547,636
Integrated liquid crystal display and digitizer having a black matrix layer adapted for sensing screen touch location
Inventors:
Robert A. Boie, Richard A. Gottscho, Allan R. Kmetz, Richard H. Krukar, Po-Yen Lu, John Robert Morris
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Oct 24, 1995
Inventors
Robert A. Boie
Richard A. Gottscho
Allan R. Kmetz
Richard H. Krukar
Po-Yen Lu
John Robert Morris
Assignee (at issue)
LUCENT TECHNOLOGIES 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.