Granted Patent
Utility
US 6,433,488 · App. 09/823,180
OLED active driving system with current feedback
Inventor:
Lin-Kai Bu
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Mar 29, 2001
Inventor
Lin-Kai Bu
Assignee (at issue)
Chi Mei Optoelectronics Corp.
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.