Ricoh Company, Ltd.

Toshiya Sagisaka

Hiroyuki Takahashi

Daisuke Goto

Satoshi Yamamoto

Takashi Okada

Masato Shinoda

Tohru Yashiro

Mamiko Inoue

Yoshinori Okada

Shigenobu Hirano

Tamotsu Horiuchi

Kazuaki Tsuji

Sukchan Kim

Keiichiroh Yutani

Yoshihisa Naijo

Shinji Matsumoto

Koh Fujimura

Takuji Kato

Masataka Mohri

Masaomi Sasaki

Masafumi Torii

Fuminari Kaneko

Keigo Takauji

Shinichi Kawamura

Tamotsu Aruga

Yuto Matsuoka

Satoshi Nakajima

Hiroshi Ikuno

Yoshikazu Akiyama

Hidenori Tomono

Takeshi Orito

Kazukiyo Nagai

Yasuo Katano

Shigeyuki Harada

Keiichiro Yutani

Takanori Tano

Takumi Yamaga

Hitoshi Kondoh

Yoshinobu Nakayama

Hiromichi Kuriyama

Takahiko Matsumoto

Chihaya Adachi

Hidekazu Yaginuma

Masayoshi Nomura

Kohji Takeuchi

Yuuma Usui

Naoki Ura

Shun Goto

Tomomasa Kajita

Yuuichiroh Kawamura

Kenji Muneuchi

Porraphon Tantitarntong

Satoshi Yamomato

A set of liquid compositions used to form a positive or negative electrode layer is provided. The set of liquid compositions includes a first liquid composition having a first electrode material dissolving or dispersing in a first liquid; and a second liquid composition having a second electrode material dissolving or dispersing in a second liquid, the second electrode material differing from the first electrode material, and the second liquid differing from the first liquid, wherein the second electrode material dissolves or disperses easily in the second liquid than in the first liquid.

Set of liquid compositions and method for manufacturing electrochemical element

An electrochromic compound has a structure represented by the following general formula (1): where each of Xto Xindependently represents a carbon atom or a silicon atom, and each of Rto Rindependently represents a member selected from a hydrogen atom, a halogen atom, a monovalent organic group, and a polymerizable functional group.

Electrochromic compound, electrochromic composition, and electrochromic element

The present invention relates to a liquid composition for forming an electrochemical device contains one or both of an active material or an electrolyte; a dispersion medium; and a polymer, wherein the polymer contains constituent units having one or both of an amide bond or an imide bond, and having a group represented by a following general formula (I): wherein X is an oxygen atom, or a carbon atom substituted with a hydrogen atom or an alkyl group, wherein R, R, R, and Rare each independently hydrogen atoms, substituted or unsubstituted alkyl groups, or substituted or unsubstituted cycloalkyl groups, and m and n are positive integers.

Liquid composition for forming electrochemical device, method of manufacturing electrodes, method of manufacturing electrochemical device and electrodes

An electrochromic compound having a structure represented by the following general formula (1): where each of Xto Xindependently represents a carbon atom or a silicon atom, and each of Rto Rindependently represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a monovalent organic group, and a polymerizable functional group. 

Provided is an electrochromic display device including a pair of supporting substrates facing each other, a pair of electrodes each disposed on the supporting substrate and facing each other, an electrochromic display layer disposed in contact with at least one of the pair of the electrodes, and an electrolyte layer disposed between the pair of the electrode, wherein the electrochromic display layer includes a plurality of electrochromic layers exhibiting mutually different coloring colors, and the plurality of the electrochromic layers are laminated on the electrode at least in a partial area of the electrode.

Electrochromic display device and production method of electrochromic display device

To provide an electrochromic element, which contains: a first electrode; a second electrode; and an electrolyte provided between the first electrode and the second electrode, wherein the first electrode contains a polymer product obtained through polymerization of an electrochromic composition where the electrochromic composition contains a radical polymerizable compound containing triarylamine.

Electrochromic element and electrochromic dimming element

To provide an electrochromic compound, represented by the following general formula (I): where X, X, X, X, X, X, Xand Xare each independently a hydrogen atom or a monovalent substituent; Rand Rare each independently a monovalent substituent; Aand Bare each independently a monovalent anion; and Y is represented by the following general formula (II) or (III): where X, X, X, X, X, X, X, X, X, and Xare each independently a hydrogen atom or a monovalent substituent.

Electrochromic compound, electrochromic composition, and display element

To provide an electrochromic compound represented by the following general formula (1) where Xand Xare each independently a carbon atom or a nitrogen atom, R, Rand Rare each independently a halogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkoxy group, x is an integer selected from 0 through 3, y and z are each independently an integer selected from 0 through 4, and at least one of Land Lis a monovalent functional group bonded to a nitrogen atom of a pyridinium ring directly, or via a divalent substituent. 

Electrochromic compound, electrochromic composition, electrochromic element, and electrochromic dimming element

An electrochromic compound represented by the following formula (1) is provided: 

Provided is an electrochromic compound represented by the following general formula (I) or (II) where Rto Rare each independently a hydrogen atom, a halogen atom, a monovalent organic group, or a polymerizable functional group, and at least one of the Rto the Ris a polymerizable functional group. 

Electrochromic compound, electrochromic composition, and electrochromic display element

An electrochromic compound represented by the following formula (I) is provided: where each of Rto Rand Rto Rindependently represents any one of a hydrogen atom, a halogen atom, a monovalent organic group, the monovalent organic group having a substituent, a polymerizable functional group, and the polymerizable functional group having a substituent; and each of R, R, R, and Rindependently represents any one of a hydrogen atom, an alkyl group, and an aryl group.

An electrochromic element including: a first electrode; a second electrode that is opposed to and apart from the first electrode; and an electrolyte that is between the first electrode and the second electrode, wherein the first electrode includes a polymerized product of an electrochromic composition that includes a radical-polymerizable compound including a triarylamine backbone, and wherein the second electrode includes a compound represented by General Formula (I) where Rand Reach denote a hydrogen atom, an aryl group including 14 or less carbon atoms, a heteroaryl group including 14 or less carbon atoms, a branched alkyl group including 10 or less carbon atoms, an alkenyl group including 10 or less carbon atoms, a cycloalkyl group including 10 or less carbon atoms, or a functional group that is capable of binding to a hydroxyl group; n and m each denote 0 or an integer of from 1 through 10; and Xdenotes a charge-neutralizing ion.

Electrochromic element

To provide an electrochromic compound, represented by the following general formula where X, X, X, X, X, X, Xand Xare each independently a hydrogen atom or a monovalent substituent; Rand Rare each independently a monovalent substituent; Aand Bare each independently a monovalent anion; and Y is represented by the following general formula (II) or (III): where X, X, X, X, X, X, X, X, X, and Xare each independently a hydrogen atom or a monovalent substituent.

Provided is an electrochromic compound represented by the following general formula (I) or (II) where Rto Rare each independently a hydrogen atom, a halogen atom, a monovalent organic group, or a polymerizable functional group, and at least one of the Rto the Ris a polymerizable functional group.

An electrochromic device is provided including a first substrate, a first electrode on the first substrate, a second substrate, a second electrode on the second substrate facing the first electrode, an electrochromic layer in contact with the first electrode, an anti-deterioration layer in contact with the second electrode facing the first electrode, and an electrolyte layer in contact with both the electrochromic layer and the anti-deterioration layer. At least one of the first electrode and the second electrode includes InO, and has an infrared light transmittance of 70% or more at a wavelength of 1,500 nm. The electrochromic layer includes a triarylamine-containing radical polymerizable compound represented by a specific formula.

Electrochromic device

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Kanagawa, Japan

Toshiya Sagisaka