WO2002023259A3 - Reversible electrochemical mirror (rem) state monitoring - Google Patents

Reversible electrochemical mirror (rem) state monitoring Download PDF

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Publication number
WO2002023259A3
WO2002023259A3 PCT/US2001/028549 US0128549W WO0223259A3 WO 2002023259 A3 WO2002023259 A3 WO 2002023259A3 US 0128549 W US0128549 W US 0128549W WO 0223259 A3 WO0223259 A3 WO 0223259A3
Authority
WO
WIPO (PCT)
Prior art keywords
mirror
rem
electrode
reversible electrochemical
radiation
Prior art date
Application number
PCT/US2001/028549
Other languages
French (fr)
Other versions
WO2002023259A2 (en
Inventor
D Morgan Tench
Original Assignee
Innovative Tech Licensing Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innovative Tech Licensing Llc filed Critical Innovative Tech Licensing Llc
Priority to JP2002527848A priority Critical patent/JP2004509374A/en
Priority to AU2001292632A priority patent/AU2001292632A1/en
Priority to CA002388872A priority patent/CA2388872C/en
Priority to EP01973009A priority patent/EP1354238A2/en
Publication of WO2002023259A2 publication Critical patent/WO2002023259A2/en
Publication of WO2002023259A3 publication Critical patent/WO2002023259A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1506—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect caused by electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1514—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
    • G02F1/1523—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
    • G02F1/1525—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material characterised by a particular ion transporting layer, e.g. electrolyte
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor

Abstract

Reversible electrochemical mirror (REM) devices typically comprise a conductive oxide mirror electrode (110) that is substantially transparent to radiation of some wavelengths, a counter electrode (106) that may also be substantially transparent, and an electrolyte (112) that contains ions of an electrodepositable metal. A voltage applied between the two electrodes causes electrodeposition of a mirror deposit on the mirror electrode and dissolution of the mirror deposit on the counter electrode, and these processes are reversed when the polarity of the applied voltage is changed. Such REM devices provide precise control over the reflection and transmission of radiation and can be used for a variety of applications, including smart windows and automatically adjusting automotive mirros. According to the present invention, measurements of the sheet resistance of the mirror electrode in a REM device are correlated with the thickness of electrodeposited mirror metal and can be used to monitor the reflectance of the device.
PCT/US2001/028549 2000-09-13 2001-09-12 Reversible electrochemical mirror (rem) state monitoring WO2002023259A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002527848A JP2004509374A (en) 2000-09-13 2001-09-12 Condition monitoring of reversible electrochemical mirror (REM)
AU2001292632A AU2001292632A1 (en) 2000-09-13 2001-09-12 Reversible electrochemical mirror (rem) state monitoring
CA002388872A CA2388872C (en) 2000-09-13 2001-09-12 Reversible electrochemical mirror (rem) state monitoring
EP01973009A EP1354238A2 (en) 2000-09-13 2001-09-12 Reversible electrochemical mirror (rem) state monitoring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/660,865 US6301039B1 (en) 2000-09-13 2000-09-13 Reversible electrochemical mirror (REM) state monitoring
US09/660,865 2000-09-13

Publications (2)

Publication Number Publication Date
WO2002023259A2 WO2002023259A2 (en) 2002-03-21
WO2002023259A3 true WO2002023259A3 (en) 2003-08-07

Family

ID=24651278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/028549 WO2002023259A2 (en) 2000-09-13 2001-09-12 Reversible electrochemical mirror (rem) state monitoring

Country Status (7)

Country Link
US (1) US6301039B1 (en)
EP (1) EP1354238A2 (en)
JP (1) JP2004509374A (en)
KR (1) KR100629190B1 (en)
AU (1) AU2001292632A1 (en)
CA (1) CA2388872C (en)
WO (1) WO2002023259A2 (en)

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US6400491B1 (en) * 1997-12-19 2002-06-04 Innovative Technology Licensing, Llc Fast-switching reversible electrochemical mirror (REM)
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US7372611B2 (en) * 2002-09-30 2008-05-13 Gentex Corporation Vehicular rearview mirror elements and assemblies incorporating these elements
US6798556B2 (en) * 2003-01-31 2004-09-28 Rockwell Scientific Licensing, Llc. Locally-switched reversible electrodeposition optical modulator
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Also Published As

Publication number Publication date
EP1354238A2 (en) 2003-10-22
US6301039B1 (en) 2001-10-09
AU2001292632A1 (en) 2002-03-26
KR100629190B1 (en) 2006-09-28
WO2002023259A2 (en) 2002-03-21
JP2004509374A (en) 2004-03-25
CA2388872A1 (en) 2002-03-21
KR20020054341A (en) 2002-07-06
CA2388872C (en) 2003-06-10

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