Granted Patent
Utility
US 6,636,190 · App. 09/934,696
Liquid crystal display having an improved lighting device
Inventors:
Junichi Hirakata, Kikuo Ono, Akira Shingai
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Aug 23, 2001
Inventors
Junichi Hirakata
Kikuo Ono
Akira Shingai
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering 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.