Granted Patent
Utility
US 6,717,637 · App. 09/431,157
Liquid crystal display having wide viewing angle
Inventors:
Yea-Sun Yoon, Seung-Beom Park
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Nov 1, 1999
Inventors
Yea-Sun Yoon
Seung-Beom Park
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.