Granted Patent
Utility
US 6,752,504 · App. 10/074,466
Illumination device and reflection type liquid crystal display device using the same
Inventors:
Keun-Woo Lee, Jin Baek Kim
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Feb 12, 2002
Inventors
Keun-Woo Lee
Jin Baek Kim
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.