Granted Patent
Utility
US 6,678,020 · App. 10/039,406
DC type plasma display panel for back light of liquid crystal display device
Inventors:
Do Young Ok, Jun Ho Lee
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Nov 7, 2001
Inventors
Do Young Ok
Jun Ho Lee
Assignee (at issue)
Boe Hydis Technology 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.