Fuji Photo Film Company, Limited

Fujifilm Corporation

Takanori Hioki

Tadashi Ikeda

Katsumi Kobayashi

Tetsuo Nakamura

Takashi Kato

Yoshio Inagaki

Masaki Okazaki

Naoto Ohshima

Junichiro Hosokawa

Katsuhisa Ohzeki

Takeshi Suzumoto

Yoshio Ishii

Mikio Ihama

Katsuhiro Yamashita

Takashi Katoh

Yasuhiro Yoshioka

Keiichi Adachi

Haruo Takei

Kiyoshi Morimoto

Tetsuya Watanabe

Naonori Makino

Seiiti Kubodera

Toyohisa Oya

Takuya Inoue

Ryuji Shinohara

Naoyuki Hanaki

Yasuo Aotsuka

Tetsuo Yoshida

Masahiko Taniguchi

Naoharu Kiyoto

Yoichi Suga

Kiyohiko Yamamuro

Hideo Hanawa

Yoshiaki Suzuki

Hiroshi Hara

Ryo Suzuki

Tadashi Ito

Hiroshi Kawakami

Hiroo Takizawa

Koki Nakamura

Makoto Suzuki

Tetsu Kitamura

Seiji Horie

Yuji Mihara

Naoto Matsuda

Tomoyuki Ohzeki

Jiro Tsukahara

Akihiko Ikegawa

Junji Nishigaki

Masao Yabe

Kazuhiko Matsumoto

Jun Yamaguchi

Katsutoshi Yamane

Takashi Hoshimiya

Atsushi Matsunaga

Shigeru Shibayama

Shingo Nishiyama

Ryoji Nishimura

Yasutomo Kawanishi

Kimiyasu Morimura

Daisuke Yokoyama

Ryuji Abe

Hiroyuki Ozaki

Hiroshi Arakatsu

Yasuhito Momoki

Masayoshi Toyoda

Itaru Osaka

Jun Okamoto

Jun Matsumoto

Toshiyuki Saiki

Noboru Hikichi

A photoelectric conversion layer comprising a compound represented by the following formula (I): wherein V, V, Vand Veach independently represents a hydrogen atom or a substituent.

Photoelectric conversion layer, photoelectric conversion device and imaging device, and method for applying electric field thereto

An organic semiconductor having at least one compound of formula (PC-1); and a compound represented by formula (PC-1a): wherein M is a metallic atom, or two hydrogen atoms which bond respectively to a nitrogen atom of an isoindole ring and to a nitrogen atom of an isoindoline ring; Rto Reach independently are a hydrogen atom or a substituent, in which at least two substituents of Rto Rin formula (PC-1) are two or more different substituents, and in which at least one of the substituents of Rto Rin formula (PC-1a) is a fluorine atom, and at least one of the substituents of Rto Rin formula (PC-1a) is an electron-attracting group other than a fluorine atom.

Phthalocyanine compound based-organic semiconductor

An imaging element having a photoelectric conversion film which has a laminated structure comprising a p-type semiconductor layer and an n-type semiconductor layer between a pair of electrodes, wherein at least one of the p-type semiconductor and the n-type semiconductor contains an organic compound with controlled orientation; a photoelectric conversion film having at least one organic dye compound, wherein the organic dye compound forms a J aggregate, or the angle between the spectral absorption transition dipolar moment of the organic dye compound and the photoelectric conversion film plane is 40&#xb0; or less, a photoelectric conversion element and an imaging element; and a method of applying an electric field thereto, and an imaging element which comprises a photoelectric conversion film (a photosensitive layer) having a bulk heterojunction layer as an intermediate layer, or a photoelectric conversion film having two or more repeating structure units of a pn junction layer comprising a p-type semiconductor layer and an n-type semiconductor layer between a pair of electrodes.

Photoelectric conversion film, photoelectric conversion element, imaging element, method of applying electric field thereto and electric field-applied element

The present invention provides a phthalocyanine compound represented by the following formula (PC-1): Formula (PC-1)  (wherein M represents a hydrogen atom or a metal atom, R, R, R, R, R, R, R, and Reach represents independently a hydrogen atom or a substituent, at least one of R, R, R, R, R, R, R, and Ris a group represented by formula (II), and R, R, R, R, R, R, R, and Reach independently represent a hydrogen atom or a substituent);&#x2014;SOR&#x2003;&#x2003;Formula (II) (wherein Rrepresents an alkyl group, aryl group or a heterocyclic group having a hydrophilic group). A novel phthalocyanine compound having high durability and useful as a functional dye is provided.

Phthalocyanine compound

A semiconductor comprises a compound (A) adsorbed on a surface of the semiconductor, the compound (A) having at least one lone electron pair and substantially not undergoing in oxidation-reduction reactions, wherein the presence of the compound (A) negatively changes a flat band potential of the semiconductor with reference to that when the compound is absent.

Semiconductor, functional device, electrochromic device, optical device, and image-taking unit

A method for forming color images comprising subjecting a silver halide color photosensitive material to a development processing in the presence of a compound (A) defined below, wherein the silver halide color photosensitive material having a blue-sensitive unit, a green-sensitive unit and a red-sensitive unit, each of which comprises at least one silver halide emulsion layer, and at least one non-light-sensitive layer on a support, compound (A): a heterocyclic compound having one or two hetero atoms, the heterocyclic compound being capable of increasing speed of the silver halide color photosensitive material by the presence thereof in comparison to the case where the heterocyclic compound is absent.

Method for forming color image and silver halide color photosensitive material used for the same

A method of forming color image, comprising processing a silver halide color photosensitive material with a development processing solution containing a color developing agent, the silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit composed of at least one silver halide emulsion layer, a green-sensitive layer unit composed of at least two silver halide emulsion layers, a red-sensitive layer unit composed of at least two silver halide emulsion layers and at least one non-light-sensitive layer, wherein the development processing solution or processing solution applied to the silver halide color photosensitive material before the use of the development processing solution contains compound (A), the compound (A) being a heterocyclic compound having three or more heteroatoms which when added, is capable of substantially enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added.

Method of forming color image

Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I): wherein Y represents a furan ring or a pyrrole ring, and Y may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring, or may have a substituent; the bond between two carbon atoms in which Y is condensed may be a single bond or a double bond; Z represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, and Z may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring; R represents a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group; D represents a group necessary to form a methine dye; Land Leach represents a methine group; p represents 0 or 1; M represents a counter ion; and m represents a number of 0 or higher necessary to neutralize the charge in the molecule.

Silver halide photographic material and methine dye

A functional device comprising a semiconductor material, wherein the functional device contains a compound not substantially undergoing oxidation-reduction reaction but having at least one lone electron pair and in which adding the compound negatively changes a flat band potential of the semiconductor material with respect to a case not adding it.

Functional device, electrochromic device, optical device, and image-taking unit

A high-sensitivity silver halide photographic light-sensitive material is provided, which is a silver halide photographic light-sensitive material, in which a dye chromophore is adsorbed in multiple layers on the surface of a silver halide grain and at least one of the dye chromophore-containing compounds satisfies: a specific condition relating to the aggregation property, hydrophilicity/hydrophobicity or J-aggregation property; or a specific structure.

Silver halide photographic light-sensitive material

A silver halide photographic light-sensitive material having high sensitivity and having a desired spectral sensitivity distribution. A silver halide photographic light-sensitive material comprising at least one multichromophore dye compound having at least two dye chromophores connected by covalent bonding or coordinate bonding, at least two of the dye chromophores forming a dye chromophore group and the light absorption of the dye chromophore group differing from the sum of individual light absorptions of respective dye chromophores constituting said dye chromophore group.

The present invention provides a silver halide photosensitive material and a photothermographic material having, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for the organic silver salt, wherein the silver halide photosensitive material and the photothermographic material contain a phthalocyanine compound represented by the following formula (PC-1):  wherein, M represents a hydrogen atom or a metal atom; R, R, R, R, R, R, R, and Reach independently represent a hydrogen atom or a substituent; at least one of R, R, R, R, R, R, R, and Rrepresents an electron-attracting group; and R, R, R, R, R, R, R, and Reach independently represent a hydrogen atom or a substituent.

Silver halide photosensitive material and photothermographic material

A silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these light-sensitive layer units composed of at least one silver halide emulsion layer, together with at least one nonphotosensitive layer, wherein at least one compound (A) and at least one compound (B) are contained, the compound (A) being a heterocyclic compound of less than 4.5 C log P which when added, is capable of enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added, the compound (B) being a heterocyclic compound of 4.5 or greater C log P which when added, is capable of enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added.

Silver halide color photosensitive material

A silver halide photographic photosensitive material, containing at least one residual-color-reducing agent having at least one aromatic ring or aromatic heterocycle in its molecule; a processing method thereof; and an image-forming method.

A silver halide color photosensitive material of less than 320 ISO speed, comprising at least two red-sensitive emulsion layers, at least two green-sensitive emulsion layers, at least one blue-sensitive emulsion layer and at least one nonsensitive layer, wherein silver halide tabular grains of 0.15 &#x3bc;m or less grain thickness are contained in an amount of 50% or more in respective layers with the highest speed among the green- and red-sensitive emulsion layers; wherein the total dry film thickness of the material on the emulsion layer side thereof is 24 &#x3bc;m or less; and wherein the compound (A) is contained in at least one silver halide emulsion layer or the nonsensitive layer. Compound (A): heterocyclic compound having one or more heteroatoms, which heterocyclic compound is capable of substantially increasing the sensitivity of silver halide color photosensitive material by addition thereof as compared with that exhibited when the compound is not added.

Growing community of inventors

Kanagawa, Japan

Takanori Hioki