Granted Patent
Utility
US 5,683,823 · App. 08/592,830
White light-emitting organic electroluminescent devices
Inventors:
Jianmin Shi, Ching W. Tang
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jan 26, 1996
Inventors
Jianmin Shi
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.