Granted Patent
Utility
US 6,809,786 · App. 10/293,434
Reflective liquid crystal display device having cholesteric liquid crystal color filter
Inventor:
Joun-Ho Lee
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Nov 14, 2002
Inventor
Joun-Ho Lee
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.