Imaging member

An imaging member comprising a charge generating layer, a charge transport layers and an optional barrier layer between the charge generating layer and the charge transport layer. The charge transport layer may comprise a first and a second or more layers, wherein the first layer comprises a film-fo...

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Main Author Yu, Robert C. U
Format Patent
LanguageEnglish
Published 05.05.2009
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Abstract An imaging member comprising a charge generating layer, a charge transport layers and an optional barrier layer between the charge generating layer and the charge transport layer. The charge transport layer may comprise a first and a second or more layers, wherein the first layer comprises a film-forming polymer having hole-transporting capability, but does not contain charge transport molecules. The barrier layer and/or the first charge transport layer reduces or prevents the buildup of charge transport molecules along the surface of the charge generating layer to thereby suppress the development of charge-deficient spots (CDS) defects in the imaging print-out copies from the imaging member.
AbstractList An imaging member comprising a charge generating layer, a charge transport layers and an optional barrier layer between the charge generating layer and the charge transport layer. The charge transport layer may comprise a first and a second or more layers, wherein the first layer comprises a film-forming polymer having hole-transporting capability, but does not contain charge transport molecules. The barrier layer and/or the first charge transport layer reduces or prevents the buildup of charge transport molecules along the surface of the charge generating layer to thereby suppress the development of charge-deficient spots (CDS) defects in the imaging print-out copies from the imaging member.
Author Yu, Robert C. U
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