Ricoh Company, Ltd.

Casio Computer Co., Ltd.

Koh Fujimura

Hiroyuki Takahashi

Tohru Yashiro

Shigenobu Hirano

Yoshihisa Naijo

Satoshi Yamamoto

Yoshinori Okada

Sukchan Kim

Keiichiroh Yutani

Kazuaki Tsuji

Mamiko Inoue

Toshiya Sagisaka

Tamotsu Horiuchi

Daisuke Goto

Akishige Murakami

Takashi Okada

Toshiaki Tokita

Hisashi Aoki

Yumi Matsuki

Keigo Takauji

Masahiro Yanagisawa

Yohei Takano

Hidenori Tomono

Takahiko Matsumoto

Fuminari Kaneko

Hiroyuki Sugimoto

Takanobu Osaka

Masahiro Masuzawa

Takanori Tano

Hidekazu Yaginuma

Takashi Tsutsui

Tomoo Fukuda

Hitoshi Kondoh

Kenzo Endo

Tohru Hasegawa

Masaomi Sasaki

Kazukiyo Nagai

Yasuhiro Takahashi

Masanori Kobayashi

Yasuyuki Takiguchi

Toshiaki Nonaka

Yukiko Hirano

Hitoshi Arita

Noboru Sasa

Takumi Suzuki

Kohji Takeuchi

Kenji Namie

Toshimichi Hagiya

Takaaki Konno

Masakatsu Higa

Haruki Amagawa

Kazuyoshi Sano

Kohei Saito

An electronic device includes electrode layers and supports. The electrode layers and supports include an electrode layer and a support on each of both sides of an electronic functional layer in a thickness direction. Taking-out electrode parts from the electrode layers are exposed in a plane region of at least one of the supports on the both sides.

Electronic device, method for producing electronic device, and photochromatic lens unit

An electrochromic element is provided that includes a first substrate and a second substrate that are arranged to oppose each other, a first transparent electrode that is formed on a surface of the first substrate facing the second substrate, a second transparent electrode that is formed on a surface of the second substrate facing the first substrate, and a coloration layer that is arranged between the first transparent electrode and the second transparent electrode. The coloration layer includes an electrochromic material and an electrolyte, and a pattern or a concentration gradient of the electrochromic material is formed in at least a part of the coloration layer.

Electrochromic element

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 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.

An electrochromic element includes first and second display electrodes arranged at intervals and opposed to each other, at least one of the first and second display electrodes being transparent; an electrolyte provided between the first and second display electrodes; a first electrochromic layer including at least one of an oxidized electrochromic compound and an oxidized electrochromic composition, and contacting the first display electrode and the electrolyte; a second electrochromic layer including at least one of a reduced electrochromic compound and a reduced electrochromic composition, and contacting the second display electrode and the electrolyte; third and fourth auxiliary electrodes contacting the electrolyte; a reduction layer provided on the third auxiliary electrode and including a reductant of a first material; and an oxidation layer provided on the fourth auxiliary electrode and including an oxidant of a second material. The first and second materials can be oxidized and reduced reversibly.

Electrochromic element, display device and driving method thereof

To provide an electrochromic compound, represented by the following general formula (I): 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; A&#x2212; and B&#x2212; are each independently a monovalent anion; and Y is represented by the following general formula (II) or (III): General Formula (II) General Formula (III) where X, X, X, X, X, X, X, X, X, and Xare each independently a hydrogen atom or a monovalent substituent. 

To provide an electrochromic compound, represented by the following general formula (I), where Aris a pyridinium ring having a structure represented by the following general formula (IIa), (IIb), or (IIc), where Aris a monovalent heterocyclic ring which may have a substituent, but Aris not a pyridinium ring; Rto Rare each independently a monovalent group which may have a functional group, where the monovalent group may have a substituent; A is a monovalent group which may have a functional group, where the monovalent group may have a substituent; and Bis a monovalent anion. 

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

An electrochromic apparatus including a first support, a first electrode, a first transparent conductive layer, an electrochromic layer, a second support, a second electrode, a second transparent conductive layer, and an electrolyte layer is provided. The first and second supports have first and second surfaces, respectively, on each of which a plurality of grooves is formed. The grooves on the second surface are facing the grooves on the first surface. The first and second electrodes are disposed at each one of the plurality of grooves of the first and second supports, respectively. The first and second transparent conductive layers are in contact with the first and second surfaces, respectively. The electrochromic layer is in contact with the first transparent conductive layer. The electrolyte layer is between the electrochromic layer and the second transparent conductive layer.

Electrochromic apparatus, electrochromic element, and method of manufacturing electrochromic element

To provide an electrochromic display element, which contains: a display substrate; a display electrode; an electrochromic layer provided in contact with the display electrode; a counter substrate provided to face the display substrate; a counter electrode; a charge retention layer provided in contact with the counter electrode; and an electrolyte layer filling between the display substrate and the counter substrate, wherein the electrochromic layer contains titanium oxide particles, and metal hydroxide is dispersed on surfaces and in inner parts of the titanium oxide particles.

Electrochromic display element, display device, information system, and electrochromic dimming lens

An electrochromic compound, represented by the following general formula (I); where Xto Xare each a substituent represented by the following general formula (II), an alkyl group that may contain a functional group, an aromatic hydrocarbon group that may contain a functional group, or a hydrogen atom, and at least two selected from Xto Xare the substituents represented by the general formula (II); where Rto Rare each independently a hydrogen atom, or a monovalent group that may contain a substituent; B is a substituted or unsubstituted monovalent group that may contain a functional group; Ais a monovalent anion; and m is any of 0 to 3, and Rto R, B, and m may each independently be different when a plurality of the substituents represented by the general formula (II) are present.

Disclosed is an electrochromic display device including a display substrate, a display electrode provided on the display substrate, a first electrochromic layer provided on the display electrode, an intermediate display electrode provided above the first electrochromic layer separately from the first electrochromic layer, a second electrochromic layer provided on and contacting the intermediate display electrode, an opposed substrate, an opposed electrode provided on the opposed substrate, and an electrolyte solution provided between a surface of the display substrate on which the display electrode is formed and a surface of the opposed substrate on which the opposed electrode is formed, wherein the intermediate display electrode contains a rod-shaped, whisker-shaped, or long-fiber-shaped electrically conductive fine particle, and at least a portion of a space in the electrically conductive fine particle is filled with a material forming the second electrochromic layer.

Electrochromic display device with intermediate display electrode containing electrically conductive fine particle and a method for manufacturing such device

Disclosed is an electrochromic display element, including a display substrate, a display electrode, an electrochromic layer, an opposed electrode, and an opposed substrate, wherein the electrochromic layer is formed on the display electrode, a liquid crystal composition that includes a low-molecular liquid crystal and an ionic liquid is present between the display electrode and the opposed electrode, and the ionic liquid includes a tetracyanoboric acid ion and/or tris(pentafluoroethyl)trifluorophosphoric acid ion as an anionic component.

Electrochromic display element and image display device

A method for manufacturing an electrochromic display device can include a step of applying and attaching a fine particle with a predetermined particle diameter to a display substrate, a step of film-forming a transparent electrically conductive film after the fine particle is applied thereto, a step of removing the fine particle to remove a transparent electrically conductive film attached to a surface of the fine particle and to form a display electrode having a fine through-hole at a position at which the fine particle has been attached thereto, and a step of forming an electrochromic layer on the display electrode.

Method for manufacturing an electrochromic display device and an electrochromic display device having through-hole in display electrode

An electrochromic device, which contains: one support; a first electrode layer formed on the support; a second electrode layer provided to face the first electrode layer; an electrochromic layer provided to be in contact with the first electrode layer or the second electrode layer; a solid electrolyte layer containing inorganic particles, which is filled between the first electrode layer and the second electrode layer, and is provided to be in contact with the electrochromic layer; and a protective layer provided on the second electrode layer.

Electrochromic device and production method thereof

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Tokyo, Japan

Koh Fujimura