Electrostatographic photosensitive device comprising a hole...

Details Electrostatographic photosensitive device comprising a hole... Electrostatographic photosensitive device comprising a hole...

G - Physics

03

G

96/187

G03G 5/04 (2006.01) G03G 5/043 (2006.01)

Patent

CA 1112501

ABSTRACT OF THE DISCLOSURE Disclosed is a layered photosensitive device for use in electrostatographic copying. The device comprises: a) an electrically conductive substrate; b) a layer of material capable of injecting holes into a layer on its surface; c) a hole transport layer in operative contact with the layer of hole injecting material which transport layer comprises a combination of a highly insulating organic resin having dispersed therein small molecules of an electrically active material, the combination of which is substantially non-absorbing to visible light but allows injection of photogenerated holes from a charge generator layer in contact with said hole transport layer and electrically induced holes from the layer of injecting material; d) a layer of a charge generating photoconductive material on and in operative contact with the charge transport layer; and e) a layer of an insulating organic resin overlaying the layer of charge generating material.

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