Granted Patent
Utility
US 6,603,150 · App. 09/966,618
Organic light-emitting diode having an interface layer between the hole-transporting layer and the light-emitting layer
Inventors:
Liang-Sheng Liao, Joseph K. Madathil, Kevin P. Klubek, Ching W. Tang
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 28, 2001
Inventors
Liang-Sheng Liao
Joseph K. Madathil
Kevin P. Klubek
Ching W. Tang
Assignee (at issue)
EASTMAN KODAK COMPANY
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.