Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

E Ink Corporation

Mieko Seki

Hidekazu Hirose

Katsuhiro Sato

Takeshi Agata

Kiyokazu Mashimo

Hirohito Yoneyama

Daisuke Okuda

Toru Ishii

Tadayoshi Ozaki

Yohei Nishino

Koji Horiba

Akira Imai

Kazuaki Sato

Yoshihiro Ohba

Hiroaki Moriyama

Katsumi Nukada

Yasuo Yamamoto

Hideo Kobayashi

Wataru Yamada

Takeshi Iwanaga

Sumiaki Yamasaki

Yoshifumi Iida

Chikara Manabe

Naoki Hiji

Takako Kobayashi

Yasuhiro Yamaguchi

Daisuke Nakayama

Ryota Mizutani

Satoshi Kamiwaki

Tomozumi Uesaka

Kiyohiro Yamanaka

Hiroe Okuyama

Rie Ishii

Takashi Hasegawa

Satoshi Inoue

Masahiro Iwasaki

Takashi Morikawa

Masaaki Abe

Toshihide Aoshima

Masaaki Lawrence Araki

Nami Tokunaga

Cao Jun

Jun Cao

A particle set for producing a printed matter includes: a chromatic color toner containing toner particles A; and pressure-responsive particles containing base particles B, in which the base particles B contain a styrene resin containing, as polymerization components, styrene and a vinyl monomer other than styrene, and a (meth)acrylate resin containing, as a polymerization component, a (meth)acrylate, a mass ratio of the styrene resin to the (meth)acrylate resin (styrene resin:(meth)acrylate resin) is 80:20 to 20:80, a difference between the lowest glass transition temperature and the highest glass transition temperature of the pressure-responsive particles is 30° C. or more, and when the toner particles A have a volume average particle diameter D50A and the base particles B have a volume average particle diameter D50B, the D50A and the D50B satisfy formula 1-1: 1.5 μm<(D50B−D50A).

Particle set for producing printed matter, apparatus for producing printed matter, and method for producing printed matter

A polyimide precursor solution contains a polyimide precursor, resin particles having a core and a coating resin layer, the coating resin layer contains a melamine resin, and a solvent.

Polyimide precursor solution and method for producing porous polyimide film

Pressure-responsive particles include pressure-responsive base particles and silica particles, in which the pressure-responsive base particles contain a styrene-based resin that contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin that contains at least two kinds of (meth)acrylic acid esters as polymerization components and in which a ratio of a mass of the (meth)acrylic acid esters to a total mass of polymerization components is 90% by mass or more, the pressure-responsive particles have at least two glass transition temperatures, a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher, and a ratio of a surface coating rate Cs2 by the silica particles after application of the following first stress to a surface coating rate Cs1 by the silica particles before application of stress satisfies a relationship of 0.4≤Cs2/Cs1≤0.8.

Pressure-responsive particles, cartridge, and apparatus for manufacturing printed matter

There is provided an electrophoretic particle which contains a core material particle formed of a composition containing a resin, a nitrogen-containing heterocyclic compound having any one of an imino group, a methylol group and an alkoxymethyl group in the molecule and a heterocyclic ring having a nitrogen atom, and a coloring agent.

Electrophoretic particle, electrophoretic particle dispersion liquid, display medium, and display device

Provided is a dispersant for liquid development represented by general formula (1): where Rrepresents a monovalent organic group having a polar group, Aand Aeach represent an oxygen or sulfur atom, Land Leach represent a divalent organic linking group, X represents a (m+n)-valent organic linking group having an alkyleneoxy group, Prepresents a polymer chain containing a unit represented by general formula (2), and m and n each represent a number of 1 to 9, with m+n being an integer of 2 to 10: where Rand Reach represent a hydrogen atom or a methyl group, Lrepresents a carbonyloxy, oxycarbonyl, carbonyl, or phenylene group, and Rrepresents a monovalent organic group having at least one selected from a carboxy group, a polyoxyalkylene group, an amino group, a sulfo group, and derivatives of the foregoing.

Dispersant for liquid development, liquid developer, liquid developer cartridge, image forming apparatus, and image forming method

A particle dispersion for display includes color particles for display that move in response to an electric field and include first color particles and second color particles; and a dispersion medium that disperses the color particles for display, in which the second color particles have a larger particle diameter than a particle diameter of the first color particles and the same charging characteristic as a charging characteristic of the first color particles, and in the color particles for display, a ratio (Cs/Cl) of a charge amount Cs of the first color particles per unit area of display to a charge amount Cl of the second color particles per unit area of display is less than or equal to 5.

Particle dispersion for display, display medium, and display device

An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III). 

Organic electroluminescent device and display device

An organic electroluminescence element includes a pair of electrodes composed of an anode and a cathode, at least one of which is transparent or semitransparent, and one or more organic compound layers disposed between the pair of electrodes, wherein at least one of the organic compound layers comprises at least one charge-transporting polyester consisting of repeating units containing, as a partial structure, at least one structure represented by the following formula (I-1). 

Organic electroluminescence element and display device

A photo-addressable display medium is provided, the photo-addressable display medium including: a pair of electrodes having transparency; a photoconductive layer disposed between the pair of electrodes and having a laminated structure of a first charge generation layer, a charge transport layer and a second charge generation layer in this order from an exposing light irradiation side; and a liquid crystal layer disposed between an electrode of the inverse side to the exposing light irradiation side and the second charge generation layer and having memory performance, wherein the first charge generation layer and the second charge generation layer contain a phthalocyanine compound, and the charge transport layer contains a stilbene compound represented by the following formula (1): wherein, Rto Reach independently represents a hydrogen atom, a methyl group or an ethyl group.

Photo-addressable display medium and photo-addressable display device

An optically writable display medium includes an optical switching element and a display element. The optical switching element includes a charge transport layer sandwiched between an upper charge generating layer and a lower charge generating layer. The display element includes a display layer having memory properties and is provided on the optical switching element. The absorption wavelength region of the upper charge generating layer and the absorption wavelength region of the lower charge generating layer are substantially different from each other.

Optically writable display medium and optical writing method

An organic electroluminescent device with a pair of electrodes having an anode and a cathode, and one or more organic compound layers disposed therebetween. One of the anode or the cathode is transparent or semitransparent. One of the organic compound layers includes a charge-transporting polyester having a repeating structure containing at least one structure selected from the structures represented by the following formulae as a partial structure:  

Thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium

A thiophene-containing compound polymer represented by  

An organic electroluminescent device having a pair of electrodes including a positive electrode and a negative electrode at least one of which is transparent or translucent, and one or more organic compound layers interposed between the pair of electrodes, at least one layer of the organic compound layers containing at least one charge transporting polyester having a repeating unit that contains at least one structure selected from structures represented by the following formula (I-1) as a partial structure. 

Organic electroluminescent device, production method thereof, and image display medium

A method for producing a polymer organic electronic material comprising: synthesizing a polymer organic electronic material by condensing a precursor monomer for the polymer organic electronic material in the presence of a metal catalyst, preparing a polymer organic electronic material solution by dissolving the polymer organic electronic material in an organic solvent, and removing metal ions, which originate from the metal catalyst, from the polymer organic electronic material solution by using an ion exchange resin; a polymer organic electronic material which can be obtained by the method; and an organic electroluminescent device which uses the polymer organic electronic material.

Method for producing polymer organic electronic material, polymer organic electronic material, and organic electroluminescent device

Provided are a thiophene-containing compound represented by the following formula (X-1), and an organic electroluminescent device that includes a pair of electrodes and an organic compound layer disposed therebetween. The organic compound layer includes a charge-transporting polyester having a repeating structure containing at least one structure selected from the structures represented by the following formulae (I-1) and (I-2) as its partial structure. In formula (X-1), Arrepresents a substituted or unsubstituted monovalent aromatic group; and Rto Reach independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group; and n' is an integer of 1 to 5. 

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Kanagawa, Japan

Mieko Seki