Granted Patent
Utility
US 6,686,706 · App. 10/294,117
Device having three transistors for driving light-emitting element
Inventor:
Tai-Shan Liao
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Nov 14, 2002
Inventor
Tai-Shan Liao
Assignee (at issue)
Precision Instrument Development Center of National Science Council
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.