Granted Patent
Utility
US 6,580,477 · App. 09/631,766
Liquid crystal display including at least two light guiding plates arranged in parallel
Inventor:
Chun-Hyun Cho
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Aug 3, 2000
Inventor
Chun-Hyun Cho
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.