发明名称 |
ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME |
摘要 |
<p>The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers is provided between a cathode and an anode, where the organic thin film layer comprises at least one light emitting layer, and the at least one light emitting layer comprises (a) a host material represented by the following Formula (1): Ra—Ar1—Ar2—Rb (1) where Ar1, Ar2, Ra and Rb represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon group selected from a substituted or unsubstituted naphthalene ring, chrysene ring, a substituted or unsubstituted fluoranthene ring, triphenylene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted benzotriphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted picene ring and a substituted or unsubstituted benzofluoranthene ring; and (b) at least one phosphorescent material comprises a phosphorescent organometallic complex having a substituted chemical structure represented by one of the following partial chemical structures represented by the formulas: wherein each R is independently hydrogen or an alkyl substituent having 1-3 carbon atoms, and wherein at least one ring of the formula has one or more of said alkyl substituent.</p> |
申请公布号 |
EP2338186(A1) |
申请公布日期 |
2011.06.29 |
申请号 |
EP20080876424 |
申请日期 |
2008.10.23 |
申请人 |
UNIVERSAL DISPLAY CORPORATION;IDEMITSU KOSAN CO., LTD. |
发明人 |
D'ANDRADE, BRIAN;BROWN, JULIA, J.;WEAVER, MICHAEL, S.;NISHIMURA, KAZUKI;IWAKUMA, TOSHIHIRO;HOSOKAWA, CHISHIO;KAWAMURA, MASAHIRO;ITO, MITSUNORI |
分类号 |
H01L51/50;C07C15/20 |
主分类号 |
H01L51/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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