Material mixtures for use in electroluminescence

Details Material mixtures for use in electroluminescence Material mixtures for use in electroluminescence

2005-05-10

2011-11-15

Zimmer, Marc (Department: 1765)

Electric lamp and discharge devices

With luminescent solid or liquid material

C313S504000, C252S301160, C252S301350, C428S690000, C428S917000, C525S474000, C528S025000

Reexamination Certificate

active

08058790

ABSTRACT:
The invention relates to mixtures comprising at least one polymer, additionally comprising structural units containing at least one element from the 4thmain group different from carbon and additionally comprising structural units that are triplet emissives. The inventive materials are better suited to the use in phosphorescent organic light emitting diodes than comparable prior art materials.

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“Phosphorescent Emission from Polymeric Light-Emitting Diodes Doped with Chrysene-d12” authored by Blumstengel et al. and published in the Japanese Journal of Applied Physics (1999) vol. 28, p. L403-L405.
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Definition of “alkyl” taken from the Hawley's Condensed Chemical Dictionary, 14thEdition (2002).
Definition of “alkoxy” from Wikipedia (no date).
Wong, W.-Y. et al., “Triplet Emission in Platinum-Containing Poly(alkynylsilanes)”, Macromolecules 36 (2003), pp. 983-990.

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