Granted Patent
Utility
US 6,678,024 · App. 09/780,671
Liquid crystal display device having cholesteric liquid crystal color filter
Inventor:
Yong Beom Kim
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Feb 12, 2001
Inventor
Yong Beom Kim
Assignee (at issue)
LG Philips LCD 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.