Nova Patents
AT441208T

Stability oled materials and devices with improved stability

Abstract

The present invention discloses an organic luminescent material and a device comprising a phosphorescent metal complex comprising a ligand comprising an aryl or heteroaryl group substituted at two ortho positions. The present invention discloses an organic light emitting device comprising: an anode; a hole transport layer; an organic emission layer including an emissive layer body and an emission dopant; an electron blocking layer; an electron transport layer; and a cathode, On the substrate.

Term

No projected expiry on record.

  1. Priority
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207 members in 9 offices

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Priority claims
DocumentOfficeKindDate
67817005United States of AmericaP
67817005United States of AmericaP
70192905United States of AmericaP
70192905United States of AmericaP
71833605United States of AmericaP
71833605United States of AmericaP
24198105United States of AmericaA
24198105United States of AmericaA
2006017286United States of AmericaW
2006017286United States of AmericaW
241981–––
678170P–––
701929P–––
718336P–––
0617286–––
US20050241981–––
US20050678170P–––
US20050701929P–––
US20050718336P–––
WO2006US17286–––

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WO2006121811A1World Intellectual Property Organization (WIPO)A1
TW200706635ATaiwan Province of ChinaA
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EP1878053A1European Patent Office (EPO)A1
KR20080007570ARepublic of KoreaA
WO2008054584A1World Intellectual Property Organization (WIPO)A1
CN101180304AChinaA
TW200831637ATaiwan Province of ChinaA
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EP1878053B1European Patent Office (EPO)B1
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AT441208TThis recordAustriaT
ATE441208T1AustriaT1
TW200940504ATaiwan Province of ChinaA
DE602006008771D1GermanyD1
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WO2009085344A3World Intellectual Property Organization (WIPO)A3
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