Fuji Photo Film Company, Limited

Takuya Yokokawa

Hideaki Naruse

Masahiro Asami

Katsuhisa Ohzeki

Hiroyuki Hirai

Hiroo Takizawa

Atsuhiro Ohkawa

Toshiro Hayakawa

Yoshiharu Okino

Takeshi Shibata

Shun-ichi Ishikawa

Kentaro Okazaki

Yasufumi Nakai

Tomoyuki Koide

Hiroyuki Ozaki

Kazuki Uehara

A color image forming method that includes subjecting a silver halide color photosensitive material to an exposure, and then processing it with a processing solution, wherein at least one silver halide emulsion in the silver halide layers has silver halide grains of AgClBr, AgCeI, or AgClIBr grains, having a AgCl content of 95 mol % or more, and having at least one region where a AgBr and/or AgI content is higher than the other region; the exposure is performed based on digital image data for area modulation; and the processing solution contains at least one compound represented by formula (I) or (II):

Color image forming method using silver halide color photosensitive material

Disclosed is a method for forming a color image comprising exposing a color photographic material, wherein the color photographic material comprises a support having provided thereon at least (1) a photosensitive layer capable of forming a yellow image by imagewise exposure and processing, (2) a photosensitive layer capable of forming a magenta image by imagewise exposure and processing, and (3) a photosensitive layer capable of forming a cyan image by imagewise exposure and processing, each of said photosensitive layers is sensitive to the radiant rays in the range of from 380 to 900 nm, each photosensitive layer has different wavelength corresponding to the maximum spectral sensitivity, the maximum spectral sensitivities of photosensitive layers (1) to (3) gradually diminish from the photosensitive layer having the maximum spectral sensitivity at the shortest wavelength to the photosensitive layer having the maximum spectral sensitivity at the longest wavelength, and exposure is performed by using at least three organic light emitting devices, wherein said at least three organic light emitting devices are in dot array state each having peak wavelength of emission spectrum within the wavelength region corresponding to the spectral sensitivity of each photosensitive layer, and the emission strengths of emission spectra of said organic light emitting devices gradually increase from the organic light emitting device emitting light at the shortest wavelength region to the organic light emitting device emitting light at the longest wavelength region.

Method for forming color image

Disclosed is a silver halide color photographic photosensitive material in which the photosensitive layer of the photosensitive material comprising a silver halide emulsion, a developing agent and a coupler is put together with the processing layer of a processing material so that these layers are heated to form a color image in the photosensitive material, said silver halide grains in the photosensitive layer having a silver chloride content of 50 mol% or more, wherein (1) the silver halide grains, in which 50% or more of the exterior faces of the grain is made up of a (111) plane, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the developing agent has a specific molecular structure, or (2) the tabular silver halide grains having an aspect ratio of 2 or more, which have the exterior faces of the grain made up of a (100) plane and a plane of projection of the grain in a shape of a rectangle with a length to width ratio ranging from 1:1 to 1:2, or which have the exterior faces of the grain made up of a (111) plane and a plane of projection in the shape of a hexagon with the ratio of the lengths of the neighboring sides ranging from 1:1 to 1:10, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the coupler is a pyrazolotriazole coupler having a specific molecular structure.

Silver halid color photographic photosensitive material

Disclosed is a silver halide color photographic photosensitive material in which the photosensitive layer of the photosensitive material comprising a silver halide emulsion, a developing agent and a coupler is put together with the processing layer of a processing material so that these layers are heated to form a color image in the photosensitive material, said silver halide grains in the photosensitive layer having a silver chloride content of 50 mol % or more, wherein (1) the silver halide grains, in which 50% or more of the exterior faces of the grain is made up of a (111) plane, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the developing agent has a specific molecular structure, or (2) the tabular silver halide grains having an aspect ratio of 2 or more, which have the exterior faces of the grain made up of a (100) plane and a plane of projection of the grain in a shape of a rectangle with a length to width ratio ranging from 1:1 to 1:2, or which have the exterior faces of the grain made up of a (111) plane and a plane of projection in the shape of a hexagon with the ratio of the lengths of the neighboring sides ranging from 1:1 to 1:10, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the coupler is a pyrazolotriazole coupler having a specific molecular structure.

Silver halide color photographic photosensitive material

The present invention provides a heat-developable light-sensitive material having a support and a light-sensitive layer provided on the support. The heat-developable light-sensitive material contains dyes which are decolorized through reaction with a decolorizing agent during a development process. The dyes are non-diffusible and at least a part of decolorized dyes resulting from the development process is non-diffusible. Also provided is an image forming method using the heat-developable light-sensitive material. The present method provides images having excellent sharpness within a short period of time.

Heat developable light-sensitive material and method of forming color

An image exposing device which, on the basis of image data, modulates light beams outputted from three light sources having respectively different wavelengths, and which scans/exposes the light beams onto a photosensitive material. The three light sources includes a first light source having a light-emitting peak wavelength in a vicinity of 635 nm, a second light source having a light-emitting peak wavelength in a range of 670 to 710 nm, and a third light source having a light-emitting peak wavelength in a vicinity of 780 nm. The photosensitive material includes a first photosensitive layer having a peak spectral sensitivity corresponding to the first light source, a second photosensitive layer having a peak spectral sensitivity corresponding to the second light source, and a third photosensitive layer having a peak spectral sensitivity corresponding to the third light source. A sensitivity of the first photosensitive layer with respect to the first light source is at least fifteen times a sensitivity of the second photosensitive layer with respect to the first light source, and a sensitivity of the second photosensitive layer with respect to the second light source is at least fifteen times a sensitivity of the first photosensitive layer with respect to the second light source.

Image exposing device

An image forming method comprising the steps of: rotating a drum having wound thereon a heat developable light-sensitive material which comprises a support having thereon at least a light-sensitive silver halide emulsion, a binder and a dye-donating compound; exposing said light-sensitive material with an exposure head comprising a plurality of beam light sources which are arranged at a predetermined interval along a sub-scanning direction perpendicular to a main scanning direction in which the drum is rotated, to correspond to a plurality of exposure points, respectively, and each of which emits light having the same wavelength each other; and moving said exposure head in said sub-scanning direction by 1/N (N is an integer of 2 or more) of the length of the arrangement of said beam light sources, to effect a scanning exposure of said light-sensitive material in steps of a plurality of exposure points.

Image forming method

A heat developable color light-sensitive material is disclosed, comprising a support having provided thereon at least a light-sensitive silver halide emulsion(s), a binder and a dye-donating compound, wherein at least one of the light-sensitive silver halide emulsion(s) (a) (a-1) comprises grains containing silver iodide in an amount of 0.1 mol % or more based on silver in the inside of the grains, and (a-2) contains at least one compound represented by formula (I-a), (I-b) or (I-c); or (b) (b-1) comprises silver chloroiodobromide grains containing silver iodide in an amount of 0.1 mol % or more based on silver in the inside of the grains and silver chloride in an amount of 10 mol % or more based on silver, (b-2) contains a sensitizing dye added before chemical sensitization, and (b-3) chemically sensitized in the presence of a nucleic acid decomposition product:

Heat-developable color light-sensitive material

A heat-developable photographic material having a light-sensitive silver halide, a reducing agent, a binder and a dye-donating compound on a support, in which at least one light-sensitive silver halide emulsion on the support contains from 1.times.10.sup.-7 to 1.times.10.sup.-3 mol, per mol of silver halide, of iron ions in the silver halide grains. The material shows little sensitivity fluctuation to variations of the temperature of exposure and shows little decrease in sensitivity on exposure with high intensity light for a short period of time, such as laser rays.

Heat-developable photographic material

Disclosed is a diffusion transfer color photographic material at least having a light-sensitive silver halide, a binder, a non-diffusive dye donor compound capable of releasing or forming a diffusive dye in correspondence or reverse correspondence with the reaction of reducing the silver halide to silver, and a non-diffusive filter dye, on a support, in which the filter dye is in the form of an emulsified dispersion along with the dye donor compound. The color separatability of the processed material is good and the discrimination of the formed image is also good. The raw film of the material is free from lowering of the filter effect after storage. Also disclosed is a heat-developable color photographic material having at least two layers of a light-sensitive layer B having a peak of color sensitivity to a light of from 720 to 780 nm and a light-sensitive layer A having a peak of color sensitivity to a light of from 790 to 860 nm, on a support, in which the maximum sensitivity of the light-sensitive layer B is same as or lower than the maximum sensitivity of the light-sensitive layer A. The material has excellent time-dependent raw film storage stability. It may be developed with little temperature dependence and water amount dependence to give an image of high sharpness.

Heat-developable diffusion transfer color photographic material

A diffusion transfer photographic material is disclosed, which comprises a support having thereon at least a photosensitive element comprising a photosensitive silver halide emulsion and a diffusible dye donating compound, and a dye fixing element which is placed upon the said photosensitive element at the time of image transfer, wherein a natural macromolecular polysaccharide originating from red algae is included in said photosensitive element and/or in said dye fixing element, and a process of producing a diffusion transfer photographic material is disclosed, which comprises the step of using a coating liquid which contains a water soluble polymer solution comprising a natural macromolecular polysaccharide, a hydrophilic organic solvent in which the said water soluble polymer is essentially insoluble and water.

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Kanagawa, Japan

Takuya Yokokawa