Browse Prior Art Database

AMBIPOLAR PHOTORESPONSIVE DEVICES

IP.com Disclosure Number: IPCOM000024940D
Original Publication Date: 1982-Dec-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 42K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is an improved ambipolar photoresponsive device useful in imaging systems for obtaining positive images from either positive or negative originals, which device is comprised of: a) a supporting substrate,

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CEROX DISCLOSURE JOURNAL

AMBIPOLAR PHOTORESPONSIVE DEVICES Proposed Classification
G. Griffiths US. C1. 430/66

A. Melnyk Int. Cl. G03g 5/04

Disclosed is an improved ambipolar photoresponsive device useful in imaging systems for obtaining positive images from either positive or negative originals, which device is comprised of:

a) a supporting substrate,

b) a first photogenerating layer,

c) a charge transport layer, and

d) a second photogenerating layer.

The photogenerating layers can be selected from various materials including amorphous selenium, selenium arsenic alloys, selenium tellurium alloys, metal free phthalocyanines, metal phthalocyanines, and vanadyl phthalocyanines. The ch-arge transport layer contains, for example, N,Nt-diphenyl-N,Ns-bis(chlorophenyl)-L1,l'-
biphenyl]-4,4'-diamine, dispersed in an inert resinous binder.

Volume 7 Number 6 November/Decemher 1982 385

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November/December 6 Number 7 Volume XEROX 386 DISCLOSURE JOURNAL 1982

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