CA930069A - Liquid crystal mirror - Google Patents

Liquid crystal mirror

Info

Publication number
CA930069A
CA930069A CA095443A CA95443A CA930069A CA 930069 A CA930069 A CA 930069A CA 095443 A CA095443 A CA 095443A CA 95443 A CA95443 A CA 95443A CA 930069 A CA930069 A CA 930069A
Authority
CA
Canada
Prior art keywords
liquid crystal
crystal mirror
mirror
liquid
crystal
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA095443A
Other versions
CA95443S (en
Inventor
Caplan Sandor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA930069A publication Critical patent/CA930069A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
    • B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13756—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 liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal selectively assuming a light-scattering state
CA095443A 1969-11-06 1970-10-13 Liquid crystal mirror Expired CA930069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87452469A 1969-11-06 1969-11-06

Publications (1)

Publication Number Publication Date
CA930069A true CA930069A (en) 1973-07-10

Family

ID=25363994

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095443A Expired CA930069A (en) 1969-11-06 1970-10-13 Liquid crystal mirror

Country Status (6)

Country Link
US (1) US3614210A (en)
CA (1) CA930069A (en)
DE (1) DE2054544A1 (en)
FR (1) FR2067010B1 (en)
GB (1) GB1329434A (en)
SE (1) SE383492B (en)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748017A (en) * 1970-06-05 1973-07-24 K Yamamura Electrodes for liquid crystal display device
US3748025A (en) * 1971-02-08 1973-07-24 Donnelly Mirrors Inc Day-night mirror
US4005928A (en) * 1971-06-01 1977-02-01 Texas Instruments Incorporated Nematic liquid crystal displays for low voltage direct current operation
DE2240781B2 (en) * 1971-08-18 1979-05-10 Dai Nippon Toryo K.K., Osaka (Japan) Liquid crystal cells
US3807833A (en) * 1971-10-29 1974-04-30 Optel Corp Electro-optic cell having a liquid isolated from its hermetic sealing means
JPS5241427Y2 (en) * 1972-02-14 1977-09-19
JPS526097B2 (en) * 1972-03-14 1977-02-18
US3862798A (en) * 1973-11-19 1975-01-28 Charles L Hopkins Automatic rear view mirror adjuster
US3961181A (en) * 1975-02-18 1976-06-01 Golden Eddie R Eye-shading means for automotive vehicle operators
US4201451A (en) * 1976-09-03 1980-05-06 Donald F. Hassinger Wide angled rear view mirror apparatus
IT1082518B (en) * 1977-01-25 1985-05-21 Fiat Spa LIQUID CRYSTAL MIRROR TO BE USED PARTICULARLY AS A REAR-VIEW MIRROR FOR VEHICLES
IT1117275B (en) * 1977-02-25 1986-02-17 Remo Bedini AUTOMATIC METHOD AND DEVICE FOR THE ATTENTION OF THE DRIVING PHENOMENA IN REFLECTED LIGHT
DE3008768C2 (en) * 1980-03-07 1985-04-04 Schott Glaswerke, 6500 Mainz Electrochromic mirror
FR2513198A1 (en) * 1981-09-21 1983-03-25 Herrmann Henri Anti-dazzle rear view mirror - has liquid crystal material with variable transparency controlling intensity of reflected light using photodetector
DE3321032A1 (en) * 1982-07-29 1984-02-02 Balzers Hochvakuum Gmbh, 6200 Wiesbaden METHOD FOR HEATING AN ELECTROOPTIC AND / OR ELECTROCHEMICAL ELEMENT
JPS60104925A (en) * 1983-11-14 1985-06-10 Nippon Denso Co Ltd Driving device of liquid crystal element
JPS6141128A (en) * 1984-08-01 1986-02-27 Tokai Rika Co Ltd Glare proof device of reflector for automobile
GB8827603D0 (en) * 1988-11-25 1988-12-29 Meek A A R Mirrors
US4988140A (en) * 1989-12-08 1991-01-29 Prince Corporation Visor with an electrically controlled vanity mirror cover
US5066112A (en) * 1989-12-21 1991-11-19 Donnelly Corporation Perimeter coated, electro-optic mirror
US5153760A (en) * 1990-06-13 1992-10-06 Ahmed Adel A A Oscillating photovoltaic optical shutter for reflective display
GB9210294D0 (en) * 1992-05-13 1992-07-01 Britax Geco Sa Rear view mirror
US5910854A (en) 1993-02-26 1999-06-08 Donnelly Corporation Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices
US5521744A (en) * 1993-12-02 1996-05-28 Mirror Systems, Inc. Dimmable safety mirror suitable for motor vehicles and method of operation
US5668663A (en) 1994-05-05 1997-09-16 Donnelly Corporation Electrochromic mirrors and devices
EP0728618A3 (en) * 1995-02-22 1996-11-06 Gentex Corp Dimmable rearview mirror for motor vehicles
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US6172613B1 (en) 1998-02-18 2001-01-09 Donnelly Corporation Rearview mirror assembly incorporating vehicle information display
US6124886A (en) 1997-08-25 2000-09-26 Donnelly Corporation Modular rearview mirror assembly
US6326613B1 (en) 1998-01-07 2001-12-04 Donnelly Corporation Vehicle interior mirror assembly adapted for containing a rain sensor
US8294975B2 (en) 1997-08-25 2012-10-23 Donnelly Corporation Automotive rearview mirror assembly
US6445287B1 (en) 2000-02-28 2002-09-03 Donnelly Corporation Tire inflation assistance monitoring system
US8288711B2 (en) 1998-01-07 2012-10-16 Donnelly Corporation Interior rearview mirror system with forwardly-viewing camera and a control
US6477464B2 (en) 2000-03-09 2002-11-05 Donnelly Corporation Complete mirror-based global-positioning system (GPS) navigation solution
US6693517B2 (en) 2000-04-21 2004-02-17 Donnelly Corporation Vehicle mirror assembly communicating wirelessly with vehicle accessories and occupants
US6329925B1 (en) 1999-11-24 2001-12-11 Donnelly Corporation Rearview mirror assembly with added feature modular display
US7167796B2 (en) 2000-03-09 2007-01-23 Donnelly Corporation Vehicle navigation system for use with a telematics system
WO2007053710A2 (en) * 2005-11-01 2007-05-10 Donnelly Corporation Interior rearview mirror with display
US7370983B2 (en) 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
EP1263626A2 (en) 2000-03-02 2002-12-11 Donnelly Corporation Video mirror systems incorporating an accessory module
ATE363413T1 (en) 2001-01-23 2007-06-15 Donnelly Corp IMPROVED VEHICLE LIGHTING SYSTEM
US7255451B2 (en) 2002-09-20 2007-08-14 Donnelly Corporation Electro-optic mirror cell
US7581859B2 (en) 2005-09-14 2009-09-01 Donnelly Corp. Display device for exterior rearview mirror
US6759945B2 (en) * 2001-03-29 2004-07-06 Vtec Technologies, Inc. Variable transmittance birefringent device
US6918674B2 (en) 2002-05-03 2005-07-19 Donnelly Corporation Vehicle rearview mirror system
US7329013B2 (en) 2002-06-06 2008-02-12 Donnelly Corporation Interior rearview mirror system with compass
WO2003105099A1 (en) 2002-06-06 2003-12-18 Donnelly Corporation Interior rearview mirror system with compass
WO2004103772A2 (en) 2003-05-19 2004-12-02 Donnelly Corporation Mirror assembly for vehicle
AU2003278863A1 (en) 2002-09-20 2004-04-08 Donnelly Corporation Mirror reflective element assembly
US7310177B2 (en) 2002-09-20 2007-12-18 Donnelly Corporation Electro-optic reflective element assembly
US7446924B2 (en) 2003-10-02 2008-11-04 Donnelly Corporation Mirror reflective element assembly including electronic component
US7308341B2 (en) 2003-10-14 2007-12-11 Donnelly Corporation Vehicle communication system
US20060221452A1 (en) * 2005-03-31 2006-10-05 Zhan Chen Anti-glare reflective and transmissive devices
ATE517368T1 (en) 2005-05-16 2011-08-15 Donnelly Corp VEHICLE MIRROR ARRANGEMENT WITH CHARACTER ON THE REFLECTIVE PART
US8154418B2 (en) 2008-03-31 2012-04-10 Magna Mirrors Of America, Inc. Interior rearview mirror system
DE102013203531B3 (en) * 2013-03-01 2014-05-22 Magna Mirrors Holding Gmbh Rearview mirror assembly for motor vehicles
CN109143671B (en) * 2018-09-29 2021-08-24 上海天马微电子有限公司 Display device, driving method thereof and electronic rearview mirror

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631498A (en) * 1951-07-09 1953-03-17 Libbey Owens Ford Glass Co Prismatic antiglare rearview mirror device
US3280701A (en) * 1961-09-05 1966-10-25 Donnelly Mirrors Inc Optically variable one-way mirror
US3499112A (en) * 1967-03-31 1970-03-03 Rca Corp Electro-optical device
US3499702A (en) * 1967-12-05 1970-03-10 Rca Corp Nematic liquid crystal mixtures for use in a light valve

Also Published As

Publication number Publication date
FR2067010B1 (en) 1975-02-21
US3614210A (en) 1971-10-19
SE383492B (en) 1976-03-15
DE2054544A1 (en) 1971-05-13
FR2067010A1 (en) 1971-08-13
GB1329434A (en) 1973-09-05

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