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Substituted oligoazacarbazoles for light emitting diodes

  • US 8,580,399 B2
  • Filed: 04/08/2011
  • Issued: 11/12/2013
  • Est. Priority Date: 04/08/2011
  • Status: Active Grant
First Claim
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1. A compound of formula I:


  • Y—

    X—

    Z, 



    Formula I,wherein Y is selected from the group consisting of;

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