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CARBAZOLE-CONTAINING MATERIALS IN PHOSPHORESCENT LIGHT EMITTINIG DIODES

  • US 20090153034A1
  • Filed: 09/12/2008
  • Published: 06/18/2009
  • Est. Priority Date: 12/13/2007
  • Status: Abandoned Application
First Claim
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1. A carbazole-containing compound comprising:

  • wherein a is 1 to 20;

    wherein b is 0 to 20;

    wherein m is 0 to 2;

    wherein n is 0 to 2;

    wherein m+n is at least 1;

    wherein X is selected from the group consisting of biphenyl, terphenyl, naphthalene, triphenylene, phenanthrene, fluorene, chrysene, dibenzothiophene, dibenzofuran, benzofuran, benzothiophene, pyrazole, imidazole, triazole, oxazole, thiazole, oxadiazole, oxatriazole, dioxazole, thiadiazole, pyridine, pyridazine, pyrimidine, pyrazine, triazine, indole, benzimidazole, indazole, benzoxazole, benzisoxazole, benzothiazole, quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, naphthyridine, phthalazine, pteridine, xanthene, phenothiazine, phenoxazine, benzofuropyridine, furodipyridine, benzothienopyridine, and thienodipyridine; and

    wherein X is substituted by R, where R is selected from the group consisting of hydrogen, alkyl, heteroalkyl, benzene, biphenyl, terphenyl, naphthalene, phenalene, phenanthrene, fluorene, chrysene, dibenzothiophene, dibenzofuran, benzofuran, benzothiophene, pyrazole, imidazole, triazole, oxazole, thiazole, oxadiazole, oxatriazole, dioxazole, thiadiazole, pyridine, pyridazine, pyrimidine, pyrazine, triazine, indole, benzimidazole, indazole, benzoxazole, benzisoxazole, benzothiazole, quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, naphthyridine, phthalazine, pteridine, xanthene, phenothiazine, phenoxazine, benzofuropyridine, furodipyridine, benzothienopyridine, and thienodipyridine.

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