CA940699A - Thermal color-pattern display, method, and composition - Google Patents

Thermal color-pattern display, method, and composition

Info

Publication number
CA940699A
CA940699A CA005,051A CA5051A CA940699A CA 940699 A CA940699 A CA 940699A CA 5051 A CA5051 A CA 5051A CA 940699 A CA940699 A CA 940699A
Authority
CA
Canada
Prior art keywords
composition
pattern display
thermal color
color
thermal
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
CA005,051A
Other languages
English (en)
Other versions
CA5051S (en
Inventor
James V. Cartmell
Robert E. Miller
Philip D. Bouffard
Donald Churchill
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
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 National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA940699A publication Critical patent/CA940699A/en
Expired legal-status Critical Current

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 
    • G02F1/13—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
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
    • B41M5/281—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using liquid crystals only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G01K11/16—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials
    • G01K11/165—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials of organic liquid crystals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/36—Steroidal liquid crystal compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2219/00—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used
    • C09K2219/13—Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used used in the technical field of thermotropic switches

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
CA005,051A 1967-02-27 1967-11-14 Thermal color-pattern display, method, and composition Expired CA940699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61889567A 1967-02-27 1967-02-27

Publications (1)

Publication Number Publication Date
CA940699A true CA940699A (en) 1974-01-29

Family

ID=24479579

Family Applications (1)

Application Number Title Priority Date Filing Date
CA005,051A Expired CA940699A (en) 1967-02-27 1967-11-14 Thermal color-pattern display, method, and composition

Country Status (7)

Country Link
JP (1) JPS5245673B1 (en, 2012)
CA (1) CA940699A (en, 2012)
CH (1) CH486089A (en, 2012)
DE (1) DE1698092C3 (en, 2012)
FR (1) FR1572257A (en, 2012)
GB (1) GB1161039A (en, 2012)
SE (1) SE350125B (en, 2012)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656909A (en) * 1970-02-16 1972-04-18 Westinghouse Electric Corp Cholesteric liquid crystal stabilizers for detector elements
JPS5019503Y1 (en, 2012) * 1970-09-28 1975-06-13
US4022706A (en) * 1973-12-17 1977-05-10 Robert Parker Research, Inc. Cholesteric liquid crystal water base ink and laminates formed therefrom
US3969264A (en) * 1973-12-17 1976-07-13 Rpr, Inc. Cholesteric liquid crystal water base ink
CH582352A5 (en, 2012) * 1974-08-14 1976-11-30 Visioterm Applic Sa
GB1597388A (en) * 1977-01-21 1981-09-09 Cellograf Simp Spa Multilayered structure incorporating a thermometer
US5082351A (en) * 1981-09-16 1992-01-21 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
US4435047A (en) 1981-09-16 1984-03-06 Manchester R & D Partnership Encapsulated liquid crystal and method
US5089904A (en) * 1981-09-16 1992-02-18 Fergason James L Encapsulated liquid crystal material, apparatus and method
US4884873A (en) * 1981-09-16 1989-12-05 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method having interconnected capsules
US4707080A (en) * 1981-09-16 1987-11-17 Manchester R & D Partnership Encapsulated liquid crystal material, apparatus and method
IT8220097A0 (it) * 1982-03-11 1982-03-11 Cinzia Ruggeri Tessuto.
SE431258B (sv) * 1982-07-02 1984-01-23 Tiru Maj Britt Ingegerd Komposition med reglerad forendring av opalescens eller uppklarning vid valda temperaturer och sett for dess framstellning samt anvendning av kompositionen
JPS6057983U (ja) * 1983-08-24 1985-04-23 フマキラ−株式会社 ゴキブリ捕獲器
US4728547A (en) * 1985-06-10 1988-03-01 General Motors Corporation Liquid crystal droplets dispersed in thin films of UV-curable polymers
US4891152A (en) * 1987-12-28 1990-01-02 Hughes Aircraft Company Dispersion of liquid crystal droplets in a photopolymerized matrix and devices made therefrom
US5453863A (en) * 1991-05-02 1995-09-26 Kent State University Multistable chiral nematic displays
US5847798A (en) * 1991-05-02 1998-12-08 Kent State University Polymer stabilized black-white cholesteric reflective display
US5695682A (en) * 1991-05-02 1997-12-09 Kent State University Liquid crystalline light modulating device and material
KR100320567B1 (ko) * 1992-05-18 2002-06-20 액정광변조장치및재료
US5668614A (en) * 1995-05-01 1997-09-16 Kent State University Pixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiation

Also Published As

Publication number Publication date
CH486089A (fr) 1970-02-15
DE1698092B2 (de) 1973-07-19
SE350125B (en, 2012) 1972-10-16
JPS5245673B1 (en, 2012) 1977-11-17
GB1161039A (en) 1969-08-13
DE1698092A1 (de) 1972-07-27
DE1698092C3 (de) 1974-02-21
FR1572257A (en, 2012) 1969-06-27

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