Granted Patent
Utility
US 6,506,506 · App. 09/658,101
Fluorescent color conversion film, fluorescent color conversion filter using the same, and an organic light-emitting device equipped with this fluorescent color conversion filter
Inventors:
Yoshimasa Tomiuchi, Yotaro Shiraishi
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Sep 8, 2000
Inventors
Yoshimasa Tomiuchi
Yotaro Shiraishi
Assignee (at issue)
FUJI 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.