GB1410221A - Nematic liquid crystalline compounds having extended mesomorphic range - Google Patents

Nematic liquid crystalline compounds having extended mesomorphic range

Info

Publication number
GB1410221A
GB1410221A GB4231972A GB4231972A GB1410221A GB 1410221 A GB1410221 A GB 1410221A GB 4231972 A GB4231972 A GB 4231972A GB 4231972 A GB4231972 A GB 4231972A GB 1410221 A GB1410221 A GB 1410221A
Authority
GB
United Kingdom
Prior art keywords
extended
liquid crystalline
nematic liquid
crystalline compounds
mesomorphic range
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
GB4231972A
Other languages
English (en)
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of GB1410221A publication Critical patent/GB1410221A/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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB4231972A 1971-09-13 1972-09-12 Nematic liquid crystalline compounds having extended mesomorphic range Expired GB1410221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00179731A US3816113A (en) 1971-09-13 1971-09-13 Nematic liquid crystalline compositions having extended mesomorphic range

Publications (1)

Publication Number Publication Date
GB1410221A true GB1410221A (en) 1975-10-15

Family

ID=22657746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4231972A Expired GB1410221A (en) 1971-09-13 1972-09-12 Nematic liquid crystalline compounds having extended mesomorphic range

Country Status (7)

Country Link
US (1) US3816113A (enrdf_load_stackoverflow)
JP (1) JPS4837380A (enrdf_load_stackoverflow)
CA (1) CA1003632A (enrdf_load_stackoverflow)
DE (1) DE2235387A1 (enrdf_load_stackoverflow)
FR (1) FR2248084A1 (enrdf_load_stackoverflow)
GB (1) GB1410221A (enrdf_load_stackoverflow)
NL (1) NL7212433A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960749A (en) * 1971-02-09 1976-06-01 International Liquid Xtal Company Liquid-crystal mixtures for use in liquid-crystal displays
JPS4894689A (enrdf_load_stackoverflow) * 1972-03-13 1973-12-05
JPS5216468B2 (enrdf_load_stackoverflow) * 1972-09-05 1977-05-10
US3920576A (en) * 1973-05-07 1975-11-18 Rockwell International Corp Doping of nematic liquid crystal
US3950264A (en) * 1973-05-07 1976-04-13 Rockwell International Corporation Schiff-base liquid crystals doped to raise dynamic scattering cutoff frequency
US3956167A (en) * 1973-05-17 1976-05-11 Beckman Instruments, Inc. Liquid crystal compositions and devices
JPS5013062A (enrdf_load_stackoverflow) * 1973-06-04 1975-02-10
US3882039A (en) * 1973-06-21 1975-05-06 Ibm Additive for liquid crystal materials
US4038441A (en) * 1973-12-23 1977-07-26 Thomson-Csf Method of manufacturing a liquid crystal device with plane alignment
JPS5637268B2 (enrdf_load_stackoverflow) * 1974-03-25 1981-08-29
JPS5114183A (ja) * 1974-07-26 1976-02-04 Sharp Kk Ekishososeibutsu
JPS5282685A (en) * 1975-12-29 1977-07-11 Tokyo Ouka Kougiyou Kk Liquid crystal composites
US4038761A (en) * 1976-02-17 1977-08-02 A. B. Dick Company Element and method for teaching with liquid crystals
JPH09159997A (ja) * 1995-12-07 1997-06-20 Sharp Corp 液晶パネルの欠陥候補箇所検出方法
US11230225B1 (en) * 2015-04-06 2022-01-25 Apple Inc. Exterior lighting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627408A (en) * 1965-06-29 1971-12-14 Westinghouse Electric Corp Electric field device
GB1170486A (en) * 1966-06-09 1969-11-12 Rca Corp Schiffs Bases and Electro-Optical Compositions and devices
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
DE2009528B2 (de) * 1970-02-28 1978-08-10 Minnesota Mining And Manufacturing Co., Saint Paul, Minn. (V.St.A.) Nematogene Mischungen
JPS528273A (en) * 1975-07-10 1977-01-21 Toshiba Corp Vibration damping device

Also Published As

Publication number Publication date
JPS4837380A (enrdf_load_stackoverflow) 1973-06-01
DE2235387A1 (de) 1973-03-22
CA1003632A (en) 1977-01-18
NL7212433A (enrdf_load_stackoverflow) 1973-03-15
US3816113A (en) 1974-06-11
FR2248084A1 (enrdf_load_stackoverflow) 1975-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

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