Ricoh Company, Ltd.

Yuto Matsuoka

Fuminari Kaneko

Tohru Yashiro

Daisuke Goto

Toshiya Sagisaka

Masato Shinoda

Mamiko Inoue

Satoshi Yamamoto

Yoshinori Okada

Sukchan Kim

Kazuaki Tsuji

Keiichiroh Yutani

Keigo Takauji

Takashi Tsutsui

Tomoo Fukuda

Naoki Ura

Kayato Ohya

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

An electrochromic element including: a laminated body including a support formed of a resin, a first electrode layer, an electrochromic layer, and a second electrode layer, the support, the first electrode layer, the electrochromic layer, and the second electrode layer being disposed in the laminated body in this order; and a gel electrolyte disposed between the first electrode layer and the second electrode layer, wherein a phase separation temperature of the gel electrolyte is higher than a softening point of the support.

Electrochromic element and production method thereof, electrochromic light-adjusting element, electrochromic light-adjusting lens, and electrochromic device

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

An electrochromic device is provided. The electrochromic device includes a first electrode, a second electrode opposed to the first electrode at an interval, and an electrochromic layer between the first electrode and the second electrode. The electrochromic layer contains an electrochromic material and a first ion-conducting material partially comprising a non-ion-conducting portion that does not conduct ions. The non-ion-conducting portion comprises a molecular unit structure having an atomic arrangement in which 8 or more atoms having a valence of 2 or more are bonded with each other. The atoms comprise heteroatoms in a number of 15% or less based on a total number of the atoms.

Electrochromic device

An electrochromic element is provided. The electrochromic element includes a first electrode, a second electrode facing the first electrode with a gap therebetween, and a color developing layer disposed between the first electrode and the second electrode. The color developing layer includes an electrochromic compound that develops and discharges color by a redox reaction and a compound having an adsorption group adsorptive to the first electrode.

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Tokyo, Japan

Yuto Matsuoka