Granted Patent
Utility
US 5,754,261 · App. 08/616,230
Color LCD device having multiple black masks
Inventor:
Ki-Hyun Lyu
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Apr 11, 1996
Inventor
Ki-Hyun Lyu
Assignee (at issue)
LG ELECTRONICS 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.