CA993645A - Electric field controllable birefringence liquid crystal media and optical display devices for use thereof - Google Patents

Electric field controllable birefringence liquid crystal media and optical display devices for use thereof

Info

Publication number
CA993645A
CA993645A CA146,970A CA146970A CA993645A CA 993645 A CA993645 A CA 993645A CA 146970 A CA146970 A CA 146970A CA 993645 A CA993645 A CA 993645A
Authority
CA
Canada
Prior art keywords
liquid crystal
electric field
display devices
optical display
crystal media
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
CA146,970A
Other versions
CA146970S (en
Inventor
Mary J. Rafuse
Richard A. Soref
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Application granted granted Critical
Publication of CA993645A publication Critical patent/CA993645A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/22—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
CA146,970A 1971-09-09 1972-07-12 Electric field controllable birefringence liquid crystal media and optical display devices for use thereof Expired CA993645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17898271A 1971-09-09 1971-09-09

Publications (1)

Publication Number Publication Date
CA993645A true CA993645A (en) 1976-07-27

Family

ID=22654728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,970A Expired CA993645A (en) 1971-09-09 1972-07-12 Electric field controllable birefringence liquid crystal media and optical display devices for use thereof

Country Status (7)

Country Link
US (1) US3756694A (en)
JP (1) JPS4839381A (en)
CA (1) CA993645A (en)
DE (1) DE2244195A1 (en)
FR (1) FR2152757A1 (en)
GB (1) GB1395805A (en)
IT (1) IT965277B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967882A (en) * 1971-04-09 1976-07-06 Kabushiki Kaisha Suwa Seikosha Liquid crystal display device having extended service life
US3881809A (en) * 1972-03-10 1975-05-06 Hoffmann La Roche Reflection system for liquid crystal displays
JPS4946954A (en) * 1972-09-11 1974-05-07
US4126382A (en) * 1972-09-22 1978-11-21 Giorgio Barzilai Operational method for displaying images with liquid-crystal electro-optical devices, and apparatus therefor
US4021846A (en) * 1972-09-25 1977-05-03 The United States Of America As Represented By The Secretary Of The Navy Liquid crystal stereoscopic viewer
US3960748A (en) * 1972-10-24 1976-06-01 Eastman Kodak Company Nematic liquid crystal compositions
US3975285A (en) * 1972-10-30 1976-08-17 Hodogaya Chemical Co., Ltd. Liquid crystal composition
US3960438A (en) * 1972-12-01 1976-06-01 Honeywell Inc. Reflective displays
US4116544A (en) * 1973-02-12 1978-09-26 Beckman Instruments, Inc. Liquid crystal reflective display apparatus
US3950264A (en) * 1973-05-07 1976-04-13 Rockwell International Corporation Schiff-base liquid crystals doped to raise dynamic scattering cutoff frequency
US3920576A (en) * 1973-05-07 1975-11-18 Rockwell International Corp Doping of nematic liquid crystal
DE2329618A1 (en) * 1973-06-09 1975-01-02 Fraunhofer Ges Forschung ARRANGEMENT FOR MULTICOLORED DISPLAY, CONSISTING OF LIGHT SOURCE AND LINEAR POLARIZATION FILTER
JPS589402B2 (en) * 1973-06-27 1983-02-21 セイコーエプソン株式会社 EXIYO HIYOJIDOKEI
US3846014A (en) * 1973-07-02 1974-11-05 Itek Corp Liquid crystal display containing an additional broad angle back scattering material
GB1469638A (en) * 1973-07-18 1977-04-06 Secr Defence Liquid crystal display device
JPS534790Y2 (en) * 1973-10-01 1978-02-06
JPS5062472A (en) * 1973-10-03 1975-05-28
CH564813A5 (en) * 1973-11-12 1975-07-31 Bbc Brown Boveri & Cie
JPS50105094A (en) * 1974-01-23 1975-08-19
US3965029A (en) * 1974-02-04 1976-06-22 Kent State University Liquid crystal materials
US3989356A (en) * 1974-02-27 1976-11-02 Gerald Altman Photographic products for direct observation and optical projection, and photographic processes for their production and utilization, photographic devices for use therewith
US4104627A (en) * 1974-05-03 1978-08-01 Merz & Bentili Nuklear Ag Digitale, an indicating device containing liquid crystals
US3954325A (en) * 1974-05-28 1976-05-04 Ceramic Systems Multilayer ceramic-based liquid crystal display
US3912369A (en) * 1974-07-02 1975-10-14 Gen Electric Single polarizer reflective liquid crystal display
JPS5186582U (en) * 1974-12-28 1976-07-10
US4112361A (en) * 1975-06-05 1978-09-05 Tokyo Seimitsu Co. Ltd. Liquid crystal applied voltmeter
DE2557267A1 (en) * 1975-12-19 1977-06-30 Bbc Brown Boveri & Cie LIQUID CRYSTAL SUBSTANCE
US4075829A (en) * 1976-06-11 1978-02-28 Grs Instruments, Inc. Self-contained miniature timer
JPS53127294A (en) * 1977-12-19 1978-11-07 Seikosha Kk Liquid crystal display
US4333715A (en) * 1978-09-11 1982-06-08 Brooks Philip A Moving picture apparatus
JPS5741819Y2 (en) * 1979-07-09 1982-09-13
JPS5817265Y2 (en) * 1979-12-20 1983-04-07 セイコーエプソン株式会社 Clock display device
US4493531A (en) * 1980-07-03 1985-01-15 Control Interface Company Limited Field sensitive optical displays, generation of fields therefor and scanning thereof
JPS57172483U (en) * 1981-04-02 1982-10-30
US4413884A (en) * 1981-09-14 1983-11-08 Eaton Corporation Casting a thermoplastic-alkali earth metal salt reflector to a liquid crystal display
JPS5910923A (en) * 1982-07-12 1984-01-20 Seikosha Co Ltd Color display device
JPH0766124B2 (en) * 1986-02-20 1995-07-19 松下電器産業株式会社 Emissive display device
CH662239GA3 (en) * 1986-02-27 1987-09-30
FR2623649B1 (en) * 1987-11-23 1992-05-15 Asulab Sa LIQUID CRYSTAL DISPLAY CELL
CA2102199A1 (en) * 1991-05-02 1992-11-03 William J. Doane Crystalline light modulating device and material
KR100485530B1 (en) * 2001-12-19 2005-04-27 엘지.필립스 엘시디 주식회사 liquid crystal display devices and manufacturing method of the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1170486A (en) * 1966-06-09 1969-11-12 Rca Corp Schiffs Bases and Electro-Optical Compositions and devices
US3499112A (en) * 1967-03-31 1970-03-03 Rca Corp Electro-optical device
US3597044A (en) * 1968-09-03 1971-08-03 Rca Corp Electro-optic light modulator
US3625591A (en) * 1969-11-10 1971-12-07 Ibm Liquid crystal display element

Also Published As

Publication number Publication date
FR2152757A1 (en) 1973-04-27
IT965277B (en) 1974-01-31
US3756694A (en) 1973-09-04
GB1395805A (en) 1975-05-29
DE2244195A1 (en) 1973-03-15
JPS4839381A (en) 1973-06-09

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