Method of imaging photoconductor in change transport binder

Claim 1

A method of imaging which comprises: a. providing an imaging member having a binder layer contained on a supporting substrate, said binder layer having a thickness from about 2 to 100 microns comprising photoconductive particles dispersed in an unoriented fashion in an electrically active organic matrix material, said photoconductive particles having the facility for photo-excited hole generation and injection, said active matrix material exhibiting a facility for supporting hole injection from said photoconductive particles and capable of facile hole transport, said photoconductive particles being present in an amount from about 0.1 to 5 percent by volume of said binder layer, and wherein said active matrix comprises at least one material selected from the group consisting of poly-1-vinylpyrene, polymethylene pyrene, N-substituted polymeric acrylic acid amides of pyrene, pyrene, tetraphene, 1-acetylpyrene, 2,3-benzochrysene, 6,7-benzopyrene, 1-bromopyrene, 1-ethylpyrene, 1-methylpyrene, perylene, 2-phenylindole, tetracene, picene, 1,3,6,8-tetraphenylpyrene, chrysene, fluorene, fluorenone, phenanthrene, triphenylene, 1,2,5,6-dibenzanthracene, 1,2,3,4-dibenzanthracene, 2,3-benzopyrene, 2,3-benzochrysene, anthraquinone, dibenzothiophene and naphthalene; b. uniformly electrostatically charging said binder layer, followed by: c. exposing said charged layer to a source of activating radiation to which the photocOnductor particles are absorbing and to which the active organic matrix material is non-absorbing, the exposure being in the form of a pattern of light and shadow optically projected toward the layer, whereby the photo-excited holes generated by said photoconductive particles are injected into and are transported through said active matrix material to form a latent electrostatic image on the surface of said binder layer.

Claim 2

A method of imaging which comprises: a. providing an imaging member having a binder layer contained on a supporting substrate, said binder layer having a thickness from about 2 to 100 microns comprising photoconductive particles dispersed in an unoriented fashion in an electrically active organic matrix material, said photoconductive particles having the facility for photo-excited hole generation and injection, said active matrix material exhibiting a facility for supporting hole injection from said photoconductive particles and capable of facile hole transport, said photoconductive particles being present in an amount from about 0.1 to 5 percent by volume of said binder layer, and wherein said active matrix comprises at least one material selected from the group consisting of poly-1-vinylpyrene, polymethylene pyrene, N-substituted polymeric acrylic acid amides of pyrene, pyrene, tetraphene, 1-acetylpyrene, 2,3-benzochrysene, 6,7-benzopyrene, 1-bromopyrene, 1-ethylpyrene, 1-methylpyrene, perylene, 2-phenylindole, tetracene, picene, 1,3,6,8-tetraphenylpyrene, chrysene, fluorene, fluorenone, phenanthrene, triphenylene, 1,2,5,6-dibenzanthracene, 1,2,3,4-dibenzanthracene, 2,3-benzopyrene, 2,3-benzochrysene, anthraquinone, dibenzothiophene and naphthalene; b. uniformly electrostatically charging said binder layer, followed by: c. exposing said charged layer to a source of activating radiation to which the photocOnductor particles are absorbing and to which the active organic matrix material is non-absorbing, the exposure being in the form of a pattern of light and shadow optically projected toward the layer, whereby the photo-excited holes generated by said photoconductive particles are injected into and are transported through said active matrix material to form a latent electrostatic image on the surface of said binder layer.

Claim 3

A METHOD OF IMAGING WHICH COMPRISES: A. PROVIDING AN IMAGING MEMBER HAVING A BINDER LAYER CONTAINED ON A SUPPORTING SUBSTRATE, SAID BINDER LAYER HAVING A THICKNESS FROM ABOUT 2 TO 100 MICRONS COMPRISING PHOTOCONDUCTIVE PARTICLES DISPERSED IN AN UNORIENTED FASHION IN AN ELECTRICALLY ACTIVE ORGANIC MATRIX MATERIAL, SAID PHOTOCONDUCTIVE PARTICLES HAVING THE FACILITY FOR PHOTO-EXCITED HOLE GENERTION AND INJECTION, SAID ACTIVE MATRIX MATERIAL EXHIBITING A FACILITY FOR SUPPORTING HOLE INJECTION FROM SAID PHOTOCONDUCTIVE PARTICLES AND CAPABLE OF FACILE HOLE TRANSPORT, SAID PHOTOCONDUCTIVE PARTICLES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1 TO 5 PERCENT BY VOLUME OF SAID BINDER LAYER, AND WHEREIN SAID ACTIVE MATRIX COMPRISES AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLY-1-VINYLPYRENE, POLYMETHYLENE PYRENE, N-SUBSTITUTED POLYMERIC ACRYLIC ACID AMIDES OF PYRENE, PYRENE, TETRAPHENE, 1-ACETYLPYRENE, 2,3-BENZOCHRYSENE, 6,7-BENZOPYRENE, PERYLENE, 21-ETHYLPYRENE, 1-METHYLPYRENE, PERYLENE 2PHENYLINDOLE, TETRACENE, PICENE, 1,3,6,8TETRAPHENYLPYRENE, CHRYSENE, FLUORENE, FLUORENONE, PHENANTHRENE, TRIPHENYLENE, 1,2,5,6-DIBENZANTHRACENE, 1,2,3,4-DIBENZANTHRACENE, 2,3-BENZOPYRENE, 2,3BENZOCHRYSENE, ANTHRAQUINONE, DIBENZOTHIOPHENE AND NAPTHALENE; B. UNIFORMLY ELECTROSTATICALLY CHARGING SAID BINDER LAYER, FOLLOWED BY: C. EXPOSING SAID CHARGED LAYER TO A SOURCE OF ACTIVATING RADIATION TO WHICH THE PHOTOCONDUCTOR PARTICLES ARE ABSORBING AND TO WHICH THE ACTIVE ORGANIC MATRIX MATERIAL IS NON-ABSORBING, THE EXPOSURE BEING IN THE FORM OF A PATTERN OF LIGHT AND SHADOW OPTICALLY PROJECTED TOWARD THE LAYER, WHEREBY THE PHOTO-EXCITED HOLES GENERATED BY SAID PHOTOCONDUCTIVE PARTICLES ARE INJECTED INTO AND ARE TRANSPORTED THROUGH SAID ACTIVE MATRIX MATERIAL TO FORM A LATENT ELECTROSTATIC IMAGE ON THE SURFACE OF SAID BINDER LAYER.

Claim 4

A METHOD OF IMAGING WHICH COMPRISES: A. PROVIDING AN IMAGING MEMBER HAVING A BINDER LAYER CONTAINED ON A SUPPORTING SUBSTRATE, SAID BINDER LAYER HAVING A THICKNESS FROM ABOUT 2 TO 100 MICRONS COMPRISING PHOTOCONDUCTIVE PARTICLES DISPERSED IN AN UNORIENTED FASHION IN AN ELECTRICALLY ACTIVE ORGANIC MATRIX MATERIAL, SAID PHOTOCONDUCTIVE PARTICLES HAVING THE FACILITY FOR PHOTO-EXCITED HOLE GENERTION AND INJECTION, SAID ACTIVE MATRIX MATERIAL EXHIBITING A FACILITY FOR SUPPORTING HOLE INJECTION FROM SAID PHOTOCONDUCTIVE PARTICLES AND CAPABLE OF FACILE HOLE TRANSPORT, SAID PHOTOCONDUCTIVE PARTICLES BEING PRESENT IN AN AMOUNT FROM ABOUT 0.1 TO 5 PERCENT BY VOLUME OF SAID BINDER LAYER, AND WHEREIN SAID ACTIVE MATRIX COMPRISES AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLY-1-VINYLPYRENE, POLYMETHYLENE PYRENE, N-SUBSTITUTED POLYMERIC ACRYLIC ACID AMIDES OF PYRENE, PYRENE, TETRAPHENE, 1-ACETYLPYRENE, 2,3-BENZOCHRYSENE, 6,7-BENZOPYRENE, PERYLENE, 21-ETHYLPYRENE, 1-METHYLPYRENE, PERYLENE 2PHENYLINDOLE, TETRACENE, PICENE, 1,3,6,8TETRAPHENYLPYRENE, CHRYSENE, FLUORENE, FLUORENONE, PHENANTHRENE, TRIPHENYLENE, 1,2,5,6-DIBENZANTHRACENE, 1,2,3,4-DIBENZANTHRACENE, 2,3-BENZOPYRENE, 2,3BENZOCHRYSENE, ANTHRAQUINONE, DIBENZOTHIOPHENE AND NAPTHALENE; B. UNIFORMLY ELECTROSTATICALLY CHARGING SAID BINDER LAYER, FOLLOWED BY: C. EXPOSING SAID CHARGED LAYER TO A SOURCE OF ACTIVATING RADIATION TO WHICH THE PHOTOCONDUCTOR PARTICLES ARE ABSORBING AND TO WHICH THE ACTIVE ORGANIC MATRIX MATERIAL IS NON-ABSORBING, THE EXPOSURE BEING IN THE FORM OF A PATTERN OF LIGHT AND SHADOW OPTICALLY PROJECTED TOWARD THE LAYER, WHEREBY THE PHOTO-EXCITED HOLES GENERATED BY SAID PHOTOCONDUCTIVE PARTICLES ARE INJECTED INTO AND ARE TRANSPORTED THROUGH SAID ACTIVE MATRIX MATERIAL TO FORM A LATENT ELECTROSTATIC IMAGE ON THE SURFACE OF SAID BINDER LAYER.

Claim 12

A method of imaging which comprises: a. providing an imaging member having a binder layer contained on a supporting substrate, said binder layer having a thickness from about 2 100 microns comprising photoconductive particles dispersed in an unoriented fashion in an electrically active organic matrix material, said photoconductive particles having the facility for photo-excited hole generation and injection, said active matrix material exhibiting a facility for supporting hole injection from said photoconductive particles and capable of facile hole transport, said photoconductive particles being present in an amount from about 0.1 to 5 percent by volume of said binder layer, and wherein said active matrix comprises at least one material selected from the group consisting of polyvinyl carbazole, poly-1-vinylpyrene, polymethylene pyrene, carbazole, N-ethylcarbazole, N-phenylcarbazole, pyrene, tetraphene, 1-acetylpyrene, 2,3-benzochrysene, 6,7-benzopyrene, 1-bromopyrene, 1-ethylpyrene, 1-methylpyrene, perylene, 2-phenylindole, tetracene, picene, 1, 3,6,8-tetraphenylpyrene, chrysene, fluorene, fluorenone, phenanthrene, triphenylene, 1,2,5,6-dibenzanthracene, 1,2,3,4-dibenzanthracene, 2,3-benzopyrene, 2,3-benzochrysene, anthraquinone, dibenzothiophene, and naphthalene; b. uniformly electrostatically charging said binder layer, followed by; c. exposing said charged layer to a source of activating radiation to which the photoconductive particles are absorbing and to which the active organIc matrix material is non-absorbing, the exposure being in the form of a pattern of light and shadow optically projected toward said layer, whereby the photo-excited holes generated by said photoconductive particles are injected into and are transported through said active matrix material to form a latent electrostatic image on the surface of said binder layer.

Claim 13

A method of imaging which comprises: a. providing an imaging member having a binder layer contained on a supporting substrate, said binder layer having a thickness from about 2 100 microns comprising photoconductive particles dispersed in an unoriented fashion in an electrically active organic matrix material, said photoconductive particles having the facility for photo-excited hole generation and injection, said active matrix material exhibiting a facility for supporting hole injection from said photoconductive particles and capable of facile hole transport, said photoconductive particles being present in an amount from about 0.1 to 5 percent by volume of said binder layer, and wherein said active matrix comprises at least one material selected from the group consisting of polyvinyl carbazole, poly-1-vinylpyrene, polymethylene pyrene, carbazole, N-ethylcarbazole, N-phenylcarbazole, pyrene, tetraphene, 1-acetylpyrene, 2,3-benzochrysene, 6,7-benzopyrene, 1-bromopyrene, 1-ethylpyrene, 1-methylpyrene, perylene, 2-phenylindole, tetracene, picene, 1, 3,6,8-tetraphenylpyrene, chrysene, fluorene, fluorenone, phenanthrene, triphenylene, 1,2,5,6-dibenzanthracene, 1,2,3,4-dibenzanthracene, 2,3-benzopyrene, 2,3-benzochrysene, anthraquinone, dibenzothiophene, and naphthalene; b. uniformly electrostatically charging said binder layer, followed by; c. exposing said charged layer to a source of activating radiation to which the photoconductive particles are absorbing and to which the active organIc matrix material is non-absorbing, the exposure being in the form of a pattern of light and shadow optically projected toward said layer, whereby the photo-excited holes generated by said photoconductive particles are injected into and are transported through said active matrix material to form a latent electrostatic image on the surface of said binder layer.