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US 5,686,212 AGranted
Photoconductor for electrophotography containing distyryl compound
AssigneeFuji Electric Co., Ltd.
InventorsYoshimasa Tomiuchi, Masami Kuroda, Osamu Nabeta, Masayo Amano, Yoshimasa Hattori, Noboru Furusho
Life of this patent
Estimating the term…
Abstract
A photoconductor for electrophotography includes a distyryl compound of the general formula (I) as a charge generation material and a bisazo compound of the general formula (II) as a charge transport material. ##STR1##
Claims5
A photoconductor for electrophotography, comprising:
- an electroconductive substrate;
- and
- a photoconductive layer formed on the electroconductive substrate and comprised of at least one distyryl compound represented by general formula (I) as a charge transport material and at least one bisazo compound represented by general formula (II) as a charge generation material:
- ##STR19## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each is a hydrogen atom, or a substituted or unsubstituted aryl or alkyl group;
- R.sub.7 is one of a halogen atom, an alkyl group, or an alkoxyl group;
- R.sub.8 is a substituted or unsubstituted alkyl group;
- R.sub.9 is one of a hydrogen atom, a cyano group, a carbamoyl group, a carboxyl group, an alkoxycarbonyl group, or an acyl group;
- R.sub.10 is one of a hydrogen atom, a halogen atom, a nitro group, or a substituted or unsubstituted alkyl or alkoxyl group.
5 more elements
A photoconductor for electrophotography, comprising:
- an electroconductive substrate;
- and
- a photoconductive layer formed on the electroconductive substrate and comprised of at least one distyryl compound represented by general formula (I) as a charge transport material and at least one bisazo compound represented by general formula (III) as a charge generation material:
- ##STR20## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each is a hydrogen atom, or a substituted or unsubstituted aryl or alkyl group;
- R.sub.11 is one of a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl or alkoxyl group;
- R.sub.12 is a substituted or unsubstituted alkyl, aryl, or aromatic heterocyclic group;
- R.sub.13 is one of a hydrogen atom, cyano group, a carbamoyl group, a carboxyl group, an alkoxycarbonyl group, or an acyl group;
- R.sub.14 and R.sub.15 each is a hydrogen atom, a halogen atom, a nitro group, or a substituted or unsubstituted alkyl or alkoxyl group.
5 more elements
A photoconductor for electrophotography, comprising:
- an electroconductive substrate;
- and
- a photoconductive layer formed on the electroconductive substrate and comprised of at least one distyryl compound represented by general formula (I) as a charge transport material and at least one bisazo compound represented by general formula (IV) as a charge generation material:
- ##STR21## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each is a hydrogen atom, or a substituted or unsubstituted aryl or alkyl group;
- R.sub.16 is one of a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl or alkoxyl group;
- and R.sub.17 is a substituted or unsubstituted alkyl, aryl, or aromatic heterocyclic group;
- R.sub.18 is one of a hydrogen atom, a cyano group, a carbamoyl group, a carboxyl group, an alkoxycarbonyl group, or an acyl group;
- R.sub.19 and R.sub.20 each is a hydrogen atom, a halogen atom, a nitro group, or a substituted or unsubstituted alkyl or alkoxyl group.
5 more elements
A photoconductor for electrophotography, comprising:
- an electroconductive substrate;
- and
- a photoconductive layer formed on the electroconductive substrate and comprised of at least one distyryl compound represented by general formula (I) as a charge transport material and at least one polycyclic quinone compound represented by general formula (V) as a charge generation material:
- ##STR22## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each is a hydrogen atom, or a substituted or unsubstituted aryl or alkyl group;
- X is one of a hydrogen atom, a halogen group, or a cyano group;
- and n is one integer of from 0 to 4.
3 more elements
A photoconductor for electrophotography, comprising:
- an electroconductive substrate;
- and
- a photoconductive layer formed on the electroconductive substrate and comprised of at least one distyryl compound represented by general formula (I) as a charge transport material and at least one squarylium compound represented by general formula (VI) as a charge generation material:
- ##STR23## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each is a hydrogen atom, or a substituted or unsubstituted aryl or alkyl group;
- R.sub.21, R.sub.22, R.sub.23, and R.sub.24 each is a substituted or unsubstituted aryl, alkyl, aralkyl, or alkenyl group, in which a ring may be formed between R.sub.21 and R.sub.22 or between R.sub.23 and R.sub.24 ;
- R.sub.25 and R.sub.26 each is one of a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group, or an alkoxyl group.
3 more elements
Dependencies are inferred from the claim text.