Granted Patent
Utility
US 5,617,230 · App. 08/287,430
Color liquid crystal display device with peripheral pixels in a light-shielded state
Inventors:
Masao Ohgawara, Hiroyoshi Tsubota
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Aug 9, 1994
Inventors
Masao Ohgawara
Hiroyoshi Tsubota
Assignee (at issue)
ASAHI GLASS 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.