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7989127 |
Carbazole containing charge transport layer photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and...
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7727690 |
Iridium complex, carbazole derivatives and copolymer having the same
Disclosed are a monomer of iridium complex having a fluoro group as a functional group, a monomer of carbazole derivative having a hydroxy group as the functional group, and a copolymer containing...
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7674565 |
Protective overcoat
A photoconductive having an overcoat layer that includes a cured or substantially crosslinked product of at least a melamine-formaldehyde resin and a charge transport compound, and an optional...
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7670740 |
Photoconductors containing fillers
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, at least one charge transport layer comprised of at least one charge transport component, and an...
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7547842 |
Spatially-doped charge transport layers
Disclosed herein is an organic electronic device comprising a charge transport layer comprising a host charge transport material and a guest charge transport material, wherein the guest material is...
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7521162 |
Organophotoreceptor with a charge transport material having two epoxidated-carbazolyl groups
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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7479357 |
Electrophotographic organophotoreceptors with novel charge transport materials
An organophotoreceptor that includes: (a) a charge transport material having the formula wherein A is selected from heterocyclic groups, naphthyl group, alkylsulfonylphenyl, stilbenyl or the group...
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7452641 |
Electrophotographic organophotoreceptors with novel charge transport compounds
Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport...
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7427440 |
Photoreceptor layer having polyether lubricants
An imaging member containing a substrate, and an outer layer containing a polyether lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member...
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7358014 |
Electrophotographic organophotoreceptors with novel charge transport compounds
A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula where R1 and R2 are...
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7329722 |
Polymeric charge transport materials having carbazolyl repeating units
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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7169519 |
Double-layered positively-charged organic photoreceptor
A double-layered positively-charged organic photoreceptor t does not suffer from contamination caused by charge transport compounds that dissolve out during coating of a charge generating layer,...
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7037632 |
Organophotoreceptor with charge transport material with fluorenone azine groups
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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7011917 |
Organophotoreceptor with charge transport material having bis(9-fluorenone) azine groups
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
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6969573 |
Blue diode laser sensitive photoreceptor
An electrostatographic article including: a substrate; a charge generator layer overcoated on the substrate and which layer is sensitive to blue light; and a charge transport layer overcoated on...
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6835513 |
Carbazole based charge transport compounds
Improved organophotoreceptors have: (a) a charge transport compound having the formula: where R1 is hydrogen, a branched or linear alkyl group, a branched or linear unsaturated hydrocarbon group,...
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6806368 |
Liquid crystalline 3,4:9,10-perylenetetacarbocylic acid diimides
Perylene-3,4:9,10-tetracarboxylic diimides of the general formula I whereR1, R2, R3 and R4 are independently hydrogen, chlorine, bromine or substituted or unsubstituted aryloxy, arylthio,...
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6649772 |
3,6,9-Trisubstituted carbazoles for light emitting diodes
The present invention features substituted carbazole compounds of formula (I): Each of Z1 and Z2, independently, is each of A1 and A2, independently, is S, O, NR, or CH═CH; each of Y1 and Y2, i...
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6645686 |
Electrophotographic imaging members
An electrophotographic imaging member comprises a substrate, a charge generating layer, and a charge transport layer. The charge transport layer comprises a binder and charge transport molecules,...
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6528657 |
Fluorescent carbazole derivative
The object of this invention is to provide an illuminant, which can easily be produced at low cost. This invention is a carbazole derivative luminescent compound having a carbazole ring skeleton,...
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6340548 |
Organophotoreceptors for electrophotography featuring novel charge transport compounds
Organic photoreceptors that include a charge transport compound, a charge generating compound, and an electroconductive support in which the charge transport compound is a novel aryl...
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6214503 |
Organophotoreceptors for electrophotography featuring novel charge transport compounds based upon hydroxy-functional compounds
The invention features organic photoreceptors that include a charge transport compound having the formula: ##STR1## where X is an N-alkyl-substituted carbazole, an N-aryl-substituted carbazole, or...
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5968674 |
Conductive polymer coatings and processes thereof
A conductive polymer coating comprising an arylamine charge transport compound, an oxidized arylamine charge transport compound salt, and a polymer binder, wherein the oxidized arylamine charge...
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5882829 |
Photoreceptor containing improved charge transporting small molecule
An electrophotographic imaging member including a supporting substrate and at least one photoconductive layer, the photoconductive layer comprising a charge transporting material selected from the...
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5882830 |
Photoconductive elements having multilayer protective overcoats
A photoconductive element comprising: an electrically conductive base; at least one active layer comprising an organic material, said at least one active layer being capable of charge generation...
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5763126 |
Electrophotographic photoreceptor and production process for same
The present invention provides an electrophotographic photoreceptor having a uniform film, in which the electrical characteristics are not deteriorated over an extended period of time without...
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5756248 |
Electrophotographic photosensitive member and apparatus and process cartridge provided with the same
An electrophotographic photosensitive member comprising a substrate and a photosensitive layer formed thereon, and the photosensitive layer contains an arylamine compound expressed by the following...
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5747205 |
Photoconductive imaging members
A photoconductive imaging member comprised of a starburst aromatic amine compound of the formula ##STR1## wherein N is nitrogen; A1 to A3 each individually represent biaryl; Ra, Rb, and Rc...
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5736284 |
Carbazole derivative charge transporting material using the same and electrophotographic photoreceptor
A charge transporting material high in solubility in a binder polymer and having high carrier mobility is disclosed, which contains a carbazole derivative represented by the following general...
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5709974 |
High speed electrophotographic imaging member
An electrophotographic imaging member including a charge generating layer, a charge transport layer and an overcoating layer, the transport layer including a charge transporting aromatic diamine...
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5679488 |
Electrophotography photoreceptor
Disclosed is an electrophotographic photoreceptor comprising a conductive support and provided thereon an intermediate layer, a carrier generation layer and a carrier transport layer, wherein an...
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5670291 |
Process for fabricating an electrophotographic imaging member
A process for fabricating an electrophotographic imaging member including providing a substrate coated with at least one photoconductive layer, applying a coating composition to the photoconductive...
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5665501 |
Photoconductive element with polycarbonate binder
A photoconductive element having a photoconductive layer containing a polycarbonate binder based on di-(monohydroxyaryl) alkane, wherein the polycarbonate contains a branching agent selected from...
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5589309 |
Electrophotographic photoreceptor containing perylenes
Disclosed is an electrophotographic photoreceptor comprising a conductive support and provided thereon an intermediate layer, a carrier generation layer containing a carrier generation material and...
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5578405 |
Electrophotographic photoconductor containing disazo and trisazo pigments
An electrophotographic photoconductor includes an electroconductive support and a single-layered photoconductive layer formed thereon, containing a charge transporting material, a binder resin, and...
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5516610 |
Reusable inverse composite dual-layer organic photoconductor using specific polymers
An inverse dual-layer organic photoconductor comprising a charge generation layer (CGL) formed on top of a charge transport layer (CTL), in turn formed on a substrate such as a web (drum) or...
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RE35198 |
Image forming member for electrophotography
Image-forming member for electrophotography comprising a charge generation layer composed of hydrogenated amorphous silicon.
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5486936 |
Optically addressed spatial light modulator
An optically addressed spatial light modulator having a multilayer-type photo conductive layer with a charge carrier generation layer and a charge carrier transport layer having a large mobility....
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5436099 |
Photoreceptor with low surface energy overcoat
An electrophotographic imaging member including a substrate, a charge generating layer, a charge transport layer, and an overcoat layer comprising a hole transporting hydroxy arylamine compound...
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5427879 |
electrophotographic photoreceptors
An electropotographic photoreceptor has a charge-transfer layer including at least two of charge-transfer materials, difference in oxidation potential between the charge-transfer materials being...
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5420226 |
Method of making photoreceptor charge transport layers
A method of making a photoreceptor charge transport layer involves the steps of applying at least one macrocyclic carbonate oligomer to a supporting surface, and in situ polymerizing the at least...
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5409792 |
Photoreceptor containing dissimilar charge transporting small molecule and charge transporting polymer
An electrophotographic imaging member including a charge generating layer and a charge transport layer, the charge transport layer comprising a charge transporting small molecule dissolved or...
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5389480 |
Electrophotographic photoreceptor
An electrophotographic photoreceptor comprising an electrically conductive substrate and a photosensitive layer formed thereon, wherein the photosensitive layer contains at least one member...
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5368967 |
Layered photoreceptor with overcoat containing hydrogen bonded materials
An electrophotographic imaging member comprising a substrate, a charge generating layer, a charge transport layer, and an overcoat layer comprising a small molecule hole transporting arylamine...
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5356742 |
Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon, the photoconductive layer includes a dipyrenylamine derivative of...
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5356743 |
Electrophotographic imaging members containing polyarylamine polyesters
An electrophotographic imaging member including a support layer and at least one electrophotoconductive layer, the imaging member comprising a polyarylamine polymer represented by the following...
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5336582 |
Electrophotographic image formation comprising an arylamine in a charge transport layer and an encapsulated toner
An electrophotographic method for image formation comprising forming an electrostatic latent image on an electrophotographic photoreceptor comprising a conductive substrate having formed thereon a...
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5324610 |
Electrophotographic organic photosensitive material with diphenoquinone derivative
The organic photosensitive material for electrophotography in accordance with this invention is characterized in that a non-symmetrically substituted diphenoquinone derivative represented by the...
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5316880 |
Photoreceptor containing similar charge transporting small molecule and charge transporting polymer
An electrophotographic imaging member including a charge generating layer and a charge transport layer, the charge transport layer including a charge transporting small molecule dissolved or...
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5312707 |
Electrophotographic photoconductor and diamine compounds for use in the same
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon including a diamine compound of formula (I): ##STR1## wherein R1...
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