Granted Patent
Utility
US 6,724,459 · App. 09/893,452
Reflective liquid crystal display device having cholesteric liquid crystal color filter and method of fabricating the same
Inventor:
Sunghoe Yoon
Patented Case
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Granted: Apr 20, 2004
Filed: Jun 29, 2001
Inventor
Sunghoe Yoon
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.