Granted Patent
Utility
US 6,124,905 · App. 09/157,255
Display device employing a reflective polarizer and a reflective diffuser between a light source and the display device
Inventor:
Chiyoaki Iijima
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Sep 18, 1998
Inventor
Chiyoaki Iijima
Assignee (at issue)
SEIKO EPSON 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.