Granted Patent
Utility
US 6,407,780 · App. 09/388,009
Thin-film transistor substrate using aluminum to form low-resistance interconnection and liquid crystal display device using the same
Inventor:
Chae Gee Sung
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Sep 1, 1999
Inventor
Chae Gee Sung
Assignee (at issue)
ALPS ELECTRIC 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.