Abstract: A photoconductor that includes for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a charge transport component, and a mixture of a poly(imide-carbonate) polymer and a fluorinated polymer and optionally a third polymer, like a polycarbonate.

Abstract: [Problems] To provide a novel compound having a high carrier mobility and is useful as a charge transporting agent which not only makes it possible to stably form a photosensitive layer without precipitating crystals or without developing pinholes when the photosensitive layer is being formed but also makes it possible to form an organic photosensitive material for electrophotography of a high sensitivity and a low residual potential. [Means for Solution] An indole derivative represented by the following general formula (1), wherein R1 and R2 are alkyl groups, k is an integer of 0 to 3, j is an integer of 0 to 4, a ring Z is a 5- to 6-membered ring and is, specifically, a cyclopentane ring, and X1 and X2 are hydrocarbon groups having at least one ethylenically unsaturated bond.

Abstract: An electrophotographic photoreceptor including a conductive substrate; and a photosensitive layer located overlying the conductive substrate, including a charge generation material, an electron transport material having a specific formula, and a hole transport material having a specific formula.

Abstract: An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer located overlying the conductive substrate which includes a naphthalenetetracarboxylic acid diimide derivative having a specific formula; and an image forming apparatus and a process cartridge using the electrophotographic photoreceptor are provided.

Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a spirodilactam based polycarbonate.

Abstract: Described herein are photoreceptor devices that include aligned domains of charge transport materials that have a pi-pi orbital overlap.

Abstract: The present invention relates to a polyvinyl acetal resin having a specific repeating structural unit, an electrophotographic photosensitive member using the polyvinyl acetal resin, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains a pyrrole.

Abstract: An electrophotographic image forming apparatus, including a photoreceptor, a charger charging the surface of the photoreceptor, an irradiator irradiating the surface of the photoreceptor with imagewise light to form an electrostatic latent image thereon, an image developer developing the electrostatic latent image with a developer including a toner to form a toner image on the surface of the photoreceptor, and a transferer transferring the toner image onto a transfer material, wherein the photoreceptor includes an electroconductive substrate, and a photosensitive layer overlying the electroconductive substrate and including a charge generation material and a specific charge transport material.

Abstract: A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the at least one charge transport layer contains at least one imidazolium salt.

Abstract: An image forming apparatus having an image bearing member having a substrate and a photosensitive layer having a charge generating layer and a charge transport layer, a charging device for uniformly charging the surface of the image bearing member, an irradiating device having a light source for irradiating the image bearing member to form a latent electrostatic image thereon, a developing device for developing the latent electrostatic image, a transfer device for transferring the developed image to a recording medium and a cleaning device for cleaning the surface of the image bearing member, wherein the charge transport layer contains a charge transport material represented by the following chemical formula, the light source emits light having a wavelength not less than 600 nm and the image bearing member is not irradiated with light having a wavelength less than 600 nm, wherein R1 and R2 independently denote a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substitute

Abstract: To provide an electrophotographic photosensitive member that can reproduce good images with less positive ghost and also has a good photosensitivity, the electrophotographic photosensitive member is incorporated in its photosensitive layer with a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (2), or a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (3).

Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the at least one charge transport layer and the photogenerating layer contain a metal mercaptoimidazole.

Abstract: 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 wherein the photogenerating layer contains a urea resin.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer that contains at least one charge transport component, and where the photogenerating layer contains a hydroxyquinoline.

Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a polyamideimide.

Abstract: An electrophotographic photoreceptor includes: a conductive substrate; a photosensitive layer including a charge-generating layer containing a charge-generating material and a charge-transporting layer containing a charge-transporting material, the charge-transporting layer having a hole mobility of about 5.0×10?6 (cm2/V·sec) or less at an electric field of 2 V/cm; and an overcoat layer that is provided on the photosensitive layer and contains a cured material of a charge-transporting material, wherein relational expression (1) Ip(OCL)>Ip(CTL)>Ip(CGL) is satisfied wherein Ip(CGL) represents an ionization potential (eV) of the charge-generating material contained in the charge-generating layer; Ip(CTL) represents an ionization potential (eV) of the charge-transporting material contained in the charge-transporting layer; and Ip(OCL) represents an ionization potential (eV) of the charge-transporting material contained in the overcoat layer.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one, charge transport layer, such as 1, 2, 3, or 4 layers, and more specifically, 2 layers, and wherein the photogenerating layer contains a thiadiazole.

Abstract: 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 wherein at least one of the photogenerating layer and charge transport layer contains a phenazine.

Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic imaging member incorporating amino triphenymethane into the charge generating layer which results in a surprisingly lateral charge migration (LCM) resistant device.

Abstract: 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 wherein the charge transport layer contains a pyrazine.

Abstract: The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains trimellitimide esters additives.

Abstract: A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein at least one of the photogenerating layer and the charge transport layer contains at least one of a pyridinium salt and a tetrazolium salt.

Abstract: An electrophotographic photoreceptor, including an electroconductive substrate; a charge generation layer overlying the substrate; a first charge transport layer mostly formed of a molecular dispersion film in which a binder resin comprises a low-molecular-weight charge transport material, overlying the charge generation layer; and a second charge transport layer formed of a crosslinked film obtained by irradiating a composition obtained by mixing a radical polymerizable charge transport compound, a tri- or more functional radical polymerizable monomer, and a photopolymerization initiator with ultraviolet radiation to conduct a radical curing reaction, overlying the first charge transport layer, wherein the crosslinked film comprises at least one of the specific 2,5-diaryl-1,3,4-oxadiazole derivatives.

Abstract: An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer overlying the conductive substrate. The photosensitive layer comprises a phthalimide isoindole derivative having a specific chemical formula.

Abstract: A conductive polymer having a high carrier transport ability, a conductive layer formed using the conductive polymer, an electronic device provided with the conductive layer having a high reliability, and electronic equipment provided with such an electronic device are provided. The conductive polymer includes a linear main chain, a plurality of carrier transport structures which contribute to carrier transport and each of which is represented by the following formula (1), and a linking structure which branches off from the main chain to link each of the carrier transport structures to the main chain: General Formula (1) where each R1 independently represents a hydrogen atom, a methyl group or an ethyl group, and the R1s are the same or different.

Abstract: The disclosed embodiments are directed to electrophotographic photoreceptors imaging members. More particularly, the imaging members of this disclosure comprise a charge transport layer comprising a charge transport molecule and a charge stabilizing compound to suppress the effects of corona effluents and provide stabilized charge acceptance during prolonged cycling, thereby improving print quality.

Abstract: 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 a nitrogen heterocyclic component such as a triazine.

Abstract: There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1).

Abstract: Methods of preparing heterocyclic triazolium-based nitrate salts by a streamlined process are provided. Such salts offer energetic performance as well as pharmaceutical potential.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains a pyrrole.

Abstract: A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a zinc thione.

Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, at least one silanol containing charge transport layer, and a top overcoating layer in contact with and contiguous to the charge transport layer.

Abstract: An image forming apparatus, including an electrostatic latent image bearer bearing an electrostatic latent image; an electrostatic latent image former forming the electrostatic latent image on a surface of the latent image bearer; an image developer developing the electrostatic latent image with a developer including a toner to form a toner image on the surface of the image bearer; a transferer transferring the toner image onto a receiving material; a fixer fixing the toner image to the receiving material; and a discharger discharging charges remaining on the image bearer by irradiating the image bearer with discharging light having a wavelength of less than 500 nm, wherein the latent image bearer includes a substrate; and a photosensitive layer overlying the substrate, including a charge generation layer containing an organic charge generation material, and a charge transport layer containing at least one of charge transport materials having the formulae (I) to (IV).

Abstract: An electrophotographic image forming apparatus, including a photoreceptor, a charger charging the surface of the photoreceptor, an irradiator irradiating the surface of the photoreceptor with imagewise light to form an electrostatic latent image thereon, an image developer developing the electrostatic latent image with a developer including a toner to form a toner image on the surface of the photoreceptor, and a transferer transferring the toner image onto a transfer material, wherein the photoreceptor includes an electroconductive substrate, and a photosensitive layer overlying the electroconductive substrate and including a charge generation material and a specific charge transport material.

Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to an additive of porphine or porphine derivatives to eliminate ghosting in specific conditions and improve image quality.

Abstract: An organic, semiconducting material, in particular, a material which can be used as a semiconductor material in organic electronics.

Abstract: 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 where the photogenerating layer contains at least one charge trapping releaser.

Abstract: The present invention provides a single-layer electrophotographic photoreceptor provided with a single-layer photosensitive layer that adapts to an exposing source emitting a laser beam with wavelengths of from 400 nm to 450 nm inclusive and is laminated on a conductive substrate, the single-layer photosensitive layer comprising: an enamine-type compound that functions as both a charge generation material and a charge transport material and is represented by the following general formula (1); and a perylene-type compound that functions as both an electron-transport material and a sensitizer and is represented by the following general formula (2):

Abstract: An endless electrophotographic member, such as a developer roller, which indicates an improved resistance to nip banding. The improvement to nip banding may be provided by the use of an organic salt within a roller surface region. The roller may provide, at a nip location, a resistive surface layer having an electrical resistance that avoids the development of nip banding and relatively dark regions on printed media.

Abstract: An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer contains a binder resin and multiple inorganic pigments each having different average primary particle diameters in a total amount of from 75 to 86% by weight, the charge generation layer contains a binder resin and a titanyl phthalocyanine pigment having a specific X-ray diffraction spectrum in an amount of from 70 to 85% by weight, the charge transport layer comprises a specific distyryl compound, and the following formulae (2-1) to (2-3) are satisfied: 0.2?(D(F2)/D(G))?0.5??(2-1) 0.2?D(F1)??(2-2) D(F2)?D(F1)??(2-3) wherein D(F1) (?m) and D(F2) (?m) represent average primary particle diameters of the largest and smallest inorganic pigments, respectively, and D(G) (?m) represents an average primary particle diameter of the titanyl phthalocyanine pigment.

Abstract: 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 wherein the charge transport layer contains a pyrazine.

Abstract: 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 wherein at least one of the photogenerating layer and charge transport layer contains a phenazine.

Abstract: 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 wherein the photogenerating layer contains a phenothiazine.

Abstract: 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 wherein at least one of the photogenerating layer and charge transport layer contains a quinoxaline, including derivatives thereof.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the at least one charge transport layer and the photogenerating layer contain a metal mercaptoimidazole.

Abstract: An electrophotographic photoconductor containing at least a charge generation material and a charge transport material on a conductive support, the electrophotographic photoconductor comprising a diamine compound represented by the formula (1), and also a polyarylate resin having a structural unit represented by the following formula (I).

Abstract: Layered structures such as photosensing arrays include layers in which charge carriers can be transported. For example, a carrier-transporting substructure that includes a solution processing artifact can transport charge carriers that flow to or from it through charge-flow surface parts that are on electrically conductive regions of a circuitry substructure; the circuitry substructure can also have channel surface parts that are on semiconductive channel regions, with a set of the channel regions operating as acceptable switches in an application. Or a first substructure's surface can have carrier-active surface parts on electrode regions and line surface parts on line regions; a second substructure can include a transport layer on carrier-active surface parts and, over it, an electrically conductive layer; to prevent leakage, an open region can be defined in the electrically conductive layer over the line surface part and/or an electrically insulating layer portion can cover the line surface part.

Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer that contains a titanocene.