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US 2007/0191583 A1Published application
Polymers based on 3,6-and 2,7-conjugated poly(phenanthrene) and pled devices
OwnerJosemon Jacob, Klaus Mulleninventors
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Abstract
A device having at least one layer including poly(p-phenylene)s based on 3,6-conjugated and 2,7-conjugated phenanthrene moietie having been synthesized by polycondensation using Ni(0)-mediated Yamamoto-type cross coupling are described as the charge transport layer or as the host for a dopant.
Claims4
A polymer having formula I or Formula II
- wherein:
- R is the same or different at each occurrence and is H, alkyl, or aryl, and
- n is greater than 5.
Dependencies are inferred from the claim text.