A system for controlling light transmittance includes a panel which is capable of at least one of darkening and lightening in response to applied electric voltage and/or current. The panel includes at least one substrate, an electrically conductive coating on at least a portion of a surface of the at least one substrate forming at least one electrode, and an electrochromic medium covering portions of the at least one substrate and the at least one electrode and in electrical communication with the electrode. The system further includes a power supply in electrical communication with the at least one electrode and a controller in communication with the power supply configured to cause the power supply to apply a voltage and/or current to the at least one electrode according to a predetermined pattern for controlling the transmittance of the panel. The predetermined pattern comprises a plurality of micro-pulses which are less than or equal to 0.5 second in duration.
Pulsed electrochromic control for a panel and method of use
2022-01-18
Patent
Elektronische Ressource
Englisch
IPC: | G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E06B Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore , FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... |
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