IP Library › Granted Patent US 6,727,644
Granted Patent Utility
US 6,727,644 · Confirmation No. 1790

ORGANIC LIGHT-EMITTING DEVICE HAVING A COLOR-NEUTRAL DOPANT IN AN EMISSION LAYER AND IN A HOLE AND /OR ELECTRON TRANSPORT SUBLAYER

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2011-03-29 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2003-10-20 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-08-06 TRNA Transmittal of New Application 1 View
2001-08-06 SPEC Specification 25 View
2001-08-06 CLM Claims 5 View
2001-08-06 ABST Abstract 1 View
2001-08-06 DRW Drawings-only black and white line drawings 11 View
2001-08-06 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,727,644
App. No.
09/923,024
Filed
2001-08-06
Granted
2004-04-27
Pub. No.
US20030071565A1
Art Unit
2879
PTA
-105 days