Granted Patent
Utility
US 6,495,273 · App. 09/396,633
Blue light-emitting polymer prepared using a florinated tetraphenyl monomer and an EL device manufactured using the polymer
Inventors:
Do Hoon Hwang, Tae Hyoung Zyung, Lee-Mi Do, Hye Yong Chu
Patented Case
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Granted: Dec 17, 2002
Filed: Sep 15, 1999
Inventors
Do Hoon Hwang
Tae Hyoung Zyung
Lee-Mi Do
Hye Yong Chu
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.