Granted Patent
Utility
US 5,557,433 · App. 08/387,606
Transmissive liquid crystal display having prism lens film for light illumination and wave lens film for light diffusion
Inventors:
Muneo Maruyama, Toshihiko Ueno, Hiroshi Hada, Masatake Baba
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Feb 13, 1995
Inventors
Muneo Maruyama
Toshihiko Ueno
Hiroshi Hada
Masatake Baba
Assignee (at issue)
NEC CORPORATION
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.