Abstract: An electroactive material, in the form of a self-supported layer, comprising: a matrix, which maintains the mechanical strength of the electroactive material; and an electroactive system, which is inserted in the matrix and comprises an electroactive organic compound (ea1+), an electroactive organic compound (ea2), a solubilization liquid (L), and ionic charges present as ionic salt or acid, wherein the electroactive compounds (ea1+ & ea2) and the ionic charges are in the solubilization liquid (L), wherein the matrix comprises a textile sheet (TS) or on a stack of sheets comprising the textile sheet (TS), and wherein the mineral fibers of the matrix and the solubilization liquid (L) have indices that are substantially equal, with a difference of at most 0.1. In addition, an electrically controllable device having variable optical properties, comprising the electroactive material.

Abstract: A device including a multilayer stack of: a first substrate having a glass function; a first electronically conductive layer with an associated current lead; an electroactive system; a second electronically conductive layer with an associated current lead; and a second substrate having a glass function. Each of the electronically conductive layers has a resistance per unit area enabling it to have an equipotential surface in coloring mode and bleaching mode, and each having a variable resistance that gradually decreases from the periphery toward the interior of the electrically controllable device by choosing the resistance at the center of the glazing, in the zone or zones furthest away from the current leads, so that the ohmic drop over the central surface of the substrates of the glazing, in the zone or zones furthest away from the current leads, is at most equal to 5% of the voltage applied across the terminals of the device.

Abstract: This device comprises the following stack of layers: a first substrate having a glass function (V1); a first electronically conductive layer (TCC1) with an associated current feed; an electroactive system (EA); a second electronically conductive layer (TCC2) with an associated current feed; and a second substrate having a glass function (V2). Each current feed is constituted by a continuous conductive strip (1-1a; 2-2a) applied to the associated electronically conductive layer, said conductive strip being positioned over the entire perimeter or substantially over the entire perimeter of said layer (TCC1; TCC2) so as to strengthen the conductivity thereof and being connected to the electrical power supply via one of its ends.

Abstract: This device comprises the following stack of layers: a substrate having a glass function (V1); a first electronically conductive layer (TCC1) with an associated current feed; a layer of electroactive varnish (VEA) based on at least one binder polymer containing the constituents of an electroactive medium that are formed by: at least one electroactive organic compound capable of being reduced and/or of accepting electrons and cations acting as compensation charges; at least one electroactive organic compound capable of being oxidized and/or of ejecting electrons and cations acting as compensation charges; at least one of said electroactive organic compounds being electrochromic in order to obtain a color contrast; and ionic charges capable of allowing, under an electric current, oxidation and reduction reactions of said electroactive organic compounds, which reactions are necessary to obtain the color contrast; and a second electronically conductive layer (TCC2) with an associated current feed.

Abstract: This semi-electroactive material comprises a self-supporting polymer matrix, inserted into which is an electroactive system comprising or constituted by: at least one electroactive organic compound capable of being oxidized and/or of ejecting electrons and cations acting as compensation charges; or at least one electroactive organic compound capable of being reduced and/or of accepting electrons and cations acting as compensation charges; and ionic charges; and also a solubilization liquid for said semi-electroactive system, said liquid not dissolving said self-supporting polymer matrix, the latter being chosen to provide a percolation pathway for ionic charges, this allowing, under the action of a dielectric current, oxidation and reduction reactions of said electroactive organic compounds, which reactions are necessary to obtain a color contrast.