Granted Patent
Utility
US 5,317,431 · App. 07/979,635
Liquid crystal display device with scattering white layer and color filter
Inventors:
Hidefumi Yoshida, Kazutaka Hanaoka
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Nov 20, 1992
Inventors
Hidefumi Yoshida
Kazutaka Hanaoka
Assignee (at issue)
Fujitsu Limited
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.