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Transfer film and process for producing organic electroluminescent device using the same

  • US 6,805,979 B2
  • Filed: 05/02/2002
  • Issued: 10/19/2004
  • Est. Priority Date: 05/18/2001
  • Status: Expired due to Term
First Claim
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1. A transfer film comprising a base film, a transfer layer, and a transfer auxiliary layer formed between the base film and the transfer layer so as to be in contact with at least the transfer layer, wherein this transfer auxiliary layer comprises a compound selected from the group consisting of diphenylamine, triphenylene, para-terphenyl, stearic acid and behenic acid and has a melting point or a glass transition temperature lower than that of the transfer layer, wherein at least a portion of the transfer layer can be thermally transferred onto a substrate and wherein the transfer layer has an electroluminescent layer containing at least an organic light-emitting material or the transfer layer has a transparent conductive film layer that transmits light.

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