Granted Patent
Utility
US 6,368,757 · App. 09/621,622
Cholesteric liquid crystal color filter plate and method for manufacturing the same
Inventor:
Suk Choi
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Jul 21, 2000
Inventor
Suk Choi
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.