ACTIVE ELECTROCHROMIC FILMS

An active electrochromic film (500) can include a transparent flexible substrate (510), a first transparent electrically conductive layer (520) in contact with the transparent flexible substrate (510), an active electrochromic gel layer (530) in contact with the transparent electrically conductive l...

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Bibliographische Detailangaben
Hauptverfasser:	GALLANT, Max, FLINNER, Nicholas, ROBERT, Christian, SPARKS, Taylor, D, KIEFER, Logan, FOLKE, Thomas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An active electrochromic film (500) can include a transparent flexible substrate (510), a first transparent electrically conductive layer (520) in contact with the transparent flexible substrate (510), an active electrochromic gel layer (530) in contact with the transparent electrically conductive layer (520), and a second transparent electrically conductive layer (515) in contact with the active electrochromic gel layer (530) opposite from the first transparent electrically conductive layer (520). The active electrochromic gel layer (530) can include a viologen-based compound. The active electrochromic gel layer (530) can exhibit a high visible optical transparency in the absence of a voltage applied across the first and second transparent electrically conductive layers (520,515) and a low visible optical transparency under an applied voltage. In one example, at least one of the first and second transparent electrically conductive layers (520,515) can include a masked portion (580) such that the active electrochromic gel layer (530) is insulated from the applied voltage in an area adjacent to the masked portion (580).