FI79132B - Helikromisk-smektiska vaetskekristallkompositioner och -displayceller. - Google Patents

Helikromisk-smektiska vaetskekristallkompositioner och -displayceller. Download PDF

Info

Publication number
FI79132B
FI79132B FI833861A FI833861A FI79132B FI 79132 B FI79132 B FI 79132B FI 833861 A FI833861 A FI 833861A FI 833861 A FI833861 A FI 833861A FI 79132 B FI79132 B FI 79132B
Authority
FI
Finland
Prior art keywords
helichromic
composition
liquid crystal
mixture
smectic
Prior art date
Application number
FI833861A
Other languages
English (en)
Finnish (fi)
Other versions
FI833861A (fi
FI79132C (sv
FI833861A0 (fi
Inventor
William Andrew Huffman
Harvey Allen Brown
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of FI833861A0 publication Critical patent/FI833861A0/fi
Publication of FI833861A publication Critical patent/FI833861A/fi
Application granted granted Critical
Publication of FI79132B publication Critical patent/FI79132B/fi
Publication of FI79132C publication Critical patent/FI79132C/sv

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
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/02—Magnesium compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/54—Amino-hydroxy-anthraquinones; Ethers and esters thereof etherified
    • C09B1/542—Anthraquinones with aliphatic, cycloaliphatic, araliphatic or aromatic ether groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/56—Mercapto-anthraquinones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B19/00—Oxazine dyes
    • C09B19/02—Bisoxazines prepared from aminoquinones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/0091—Methine or polymethine dyes, e.g. cyanine dyes having only one heterocyclic ring at one end of the methine chain, e.g. hemicyamines, hemioxonol
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/0003—Monoazo dyes prepared by diazotising and coupling from diazotized anilines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes
    • C09B29/0805—Amino benzenes free of acid groups
    • C09B29/0807—Amino benzenes free of acid groups characterised by the amino group
    • C09B29/0809—Amino benzenes free of acid groups characterised by the amino group substituted amino group
    • C09B29/081—Amino benzenes free of acid groups characterised by the amino group substituted amino group unsubstituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino, aralkylamino or arylamino
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/103—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the naphthalene series
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/02—Disazo dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16—Trisazo dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/2409—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62
    • C09B5/2436—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62 only nitrogen-containing hetero rings
    • C09B5/2445—Phtaloyl isoindoles
    • C09B5/2454—5,6 phtaloyl dihydro isoindoles
    • C09B5/2463—1,3 oxo or imino derivatives
    • C09B5/2472—1,3 dioxo derivatives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • 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
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Claims (7)

1. Komposition till användning i värmestyrbara vätskekristalldisplayer bestäende väsentligen av ett smek- 5 tiskt vätskekristallmaterial i blandning med en organisk, icke-jonisk, icke-vätskekristallin helikrom förening, vil-ken helikrom förening är löslig i det smektiska vätske-kristallmaterialet och vilken utgörs av ett cirkulärt och dikroiskt färgämne och vilken har formeln 10 Q-(Z)n i vilken Q är en azo-, azostilben-, bensotiazolyl-, poly-azo-, metin-, azometin-, merocyanin-, metinaryliden-, tet-15 razin-, oxadiazin-, karbazolazo- eller antrakinongrupp, Z är en asymmetrisk atom on n är ett heltal 1-8, känne-t e c k n a d därav, att vätskekristallmaterialet utgörs av ett smektiskt vätskekristallmaterial.
2. Komposition enligt patentkravet 1, känne-20 tecknad därav, att Z är (+)-2-metylalkyl, (+)-3-me- tylalkyl, (+)-2-metylalkoxi, (+)-3-metylalkoxi, (+)-cit-ronellyl, (+)-camfanyl, (+)-3-metylcyklohexyl, (+)-a-me-tylbensyl, ( +)-2-( metylbutyl)bifenylbenzoat, ( + )-(2-me-tylbutyl)metyl-2,3-dihydropermidin, (+)-3-metylcyklopen-25 ty1-2,3-dihydropermidin, (+)-2-metylcyklohexyl-2,3-dihyd ropermidin, (+)-2-fenetylamin eller (+)-N-(2-metylbutyl)-aminonaftalen.
3. Komposition enligt patentkravet 1, känne-tecknad därav, att den helikroma föreningen är när- 30 varande i kompositionen i en mängd tillräcklig att ästad-komma fortplantning av infallande ljus cirkulärt polari-serat sälunda att ali polarisering av det nämnda ljuset absorberas dä kompositionen används i en helikrom-smektisk vätskekristalldisplay. 35
4. Värmestyrbar vätskekristalldisplay (10) utan 94 791 32 hjälppolarisatorer, vilken display ger en högkontrastbild mot en bakgrund, och vilken omfattar ett skikt av en väts-kekristallkomposition (11) mellan en ytskiva (12) och en bottenskiva (13), vilken komposition är värmekänslig och 5 har en omvandling mellan ätminstone tvä termiska faser, varvid den övre termiska fasen är nematisk, och den nedre termiska fasen är smektisk; medel för ästadkommande av den termiska omvandlingen mellan den nedre termiska fasen och den Övre termiska fasen (r3 , r2, r3 etc.) och medel för 10 elektriskt styrande av kompositionens (11) delar (r:, r2, r3 etc. ) och (c3 , c2 , c3 etc. ), kännetecknad därav, att 1. kompositionen (11) utgörs av en komposition en-ligt patentkravet 1 och att kompositionen har tvä möjliga 15 orienteringstillständ i den smektiska fasen, varvid det första orienteringstillständet är väsentligen ljusabsorbe-rande, och det andra tillständet är väsentligen ljusgenom-släppligt och att 2. i kompositionens (11) elektriskt styrbara delar 20 utvecklas det andra 1jusgenomsläppliga tillständet dä kompositionen (11) snabbt övergär tili det nedre termiska tillständet frän det övre termiska tillständet, medan i de äterstäende, icke styrda delarna i kompositionen (11) utvecklas det första, väsentligen ljusabsorberande till-25 ständet dä kompositionen (11) snabbt övergär tili det läg-re termiska tillständet frän det övre termiska tillständet.
5. Display (10) enligt patentkravet 4, kännetecknad därav, att medlen för ästadkommande av 30 den termiska omvandlingen mellan den lägre termiska fasen och den övre termiska fasen omfattar ätminstone en värme-elektrod (r3, r2, r3 etc.) anordnad mellan bottenskivan (13) och kompositionen (11).
6. Display (10) enligt patentkravet 5, k ä n n e -35 tecknad därav, att den ytterligare omfattar ett
FI833861A 1982-10-22 1983-10-21 Helikromisk-smektiska vätskekristallkompositioner och -displayceller FI79132C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43603082 1982-10-22
US06/436,030 US4514045A (en) 1981-06-22 1982-10-22 Helichromic-smectic liquid crystal compositions and display cells

Publications (4)

Publication Number Publication Date
FI833861A0 FI833861A0 (fi) 1983-10-21
FI833861A FI833861A (fi) 1984-04-23
FI79132B true FI79132B (fi) 1989-07-31
FI79132C FI79132C (sv) 1989-11-10

Family

ID=23730814

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833861A FI79132C (sv) 1982-10-22 1983-10-21 Helikromisk-smektiska vätskekristallkompositioner och -displayceller

Country Status (8)

Country Link
US (1) US4514045A (sv)
EP (1) EP0107492B1 (sv)
JP (1) JPS5993777A (sv)
KR (1) KR910004825B1 (sv)
AU (1) AU568096B2 (sv)
CA (1) CA1200970A (sv)
DE (1) DE3380354D1 (sv)
FI (1) FI79132C (sv)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887535A (ja) * 1981-11-20 1983-05-25 Sony Corp 液晶表示装置
JPS6028487A (ja) * 1983-07-27 1985-02-13 Alps Electric Co Ltd 液晶組成物
DE3333677A1 (de) * 1983-09-17 1985-04-04 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristall-phase
EP0153729B1 (en) * 1984-02-27 1989-05-10 TDK Corporation Optical recording medium
US4653866A (en) * 1984-05-21 1987-03-31 Hitachi, Ltd. Liquid crystal compound and liquid crystal composition including the same
GB2170214A (en) * 1985-01-26 1986-07-30 Stc Plc Ferroelectric smectic liquid crystal mixture
US4764619A (en) * 1985-03-26 1988-08-16 Asahi Glass Company Ltd. Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices
JP2713567B2 (ja) * 1986-04-04 1998-02-16 三井東圧化学株式会社 光学活性ナフタレン誘導体
JP2558803B2 (ja) * 1988-04-06 1996-11-27 旭電化工業株式会社 光学活性ビスアリール化合物
JP2778670B2 (ja) * 1989-02-17 1998-07-23 出光興産株式会社 液晶組成物
US5428137A (en) * 1992-01-31 1995-06-27 Orient Chemical Industries, Ltd. Monoazo liquid dye and solutions thereof
JPH05281581A (ja) * 1992-09-28 1993-10-29 Canon Inc 液晶素子
EP0613720A1 (en) * 1993-03-05 1994-09-07 Duphar International Research B.V Nickel catalyst for the cyanation of aromatic halides
EP0613719A1 (en) * 1993-03-05 1994-09-07 Duphar International Research B.V Nickel catalyst for the cyanation of aromatic halides
US5854614A (en) * 1996-11-18 1998-12-29 Array Printers Ab Publ. Display device and method for visualizing computer generated image information
US6229514B1 (en) 1995-11-13 2001-05-08 Array Printers Publ. Ab Display device and method for visualizing computer generated image information
US5748277A (en) * 1995-02-17 1998-05-05 Kent State University Dynamic drive method and apparatus for a bistable liquid crystal display
US6154190A (en) * 1995-02-17 2000-11-28 Kent State University Dynamic drive methods and apparatus for a bistable liquid crystal display
US6268840B1 (en) 1997-05-12 2001-07-31 Kent Displays Incorporated Unipolar waveform drive method and apparatus for a bistable liquid crystal display
US6133895A (en) * 1997-06-04 2000-10-17 Kent Displays Incorporated Cumulative drive scheme and method for a liquid crystal display
US6005668A (en) * 1997-07-14 1999-12-21 Henkel Corporation Detecting defects in plastic and similar surfaces
US6278430B1 (en) 1998-03-06 2001-08-21 Array Printers Ab Thermosensitive display device
US6268839B1 (en) 1998-05-12 2001-07-31 Kent State University Drive schemes for gray scale bistable cholesteric reflective displays
US6204835B1 (en) 1998-05-12 2001-03-20 Kent State University Cumulative two phase drive scheme for bistable cholesteric reflective displays
GB2337758B (en) * 1998-05-29 2003-07-16 Sumitomo Chemical Co Triphenodioxazine compound, method for preparing the same, use of the compound as dichroic dye, and liquid crystal composition
US6320563B1 (en) 1999-01-21 2001-11-20 Kent State University Dual frequency cholesteric display and drive scheme
US7023409B2 (en) 2001-02-09 2006-04-04 Kent Displays, Incorporated Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses
US7351451B2 (en) * 2001-08-02 2008-04-01 Fujifilm Corporation Anthraquinone compound, liquid crystal composition, cell and display device employing the same
EP1447430A1 (en) * 2003-02-11 2004-08-18 Clariant International Ltd. New monoanthraquinone azamethine dyes
CN100412160C (zh) * 2006-09-21 2008-08-20 青岛科技大学 液晶化合物－4’－正癸氧基－4－偶氮苯羧酸－3－氟－4－氰基苯酯及其制备方法
CN100410347C (zh) * 2006-09-21 2008-08-13 青岛科技大学 液晶化合物－4’－烯丙氧基－4－偶氮苯羧酸－3－氟－4－氰基苯酯及其制备方法
CN103184053B (zh) * 2011-12-29 2015-03-11 苏州汉朗光电有限公司 高散射态近晶相液晶材料及其显示器件
CN103666482B (zh) * 2012-09-10 2016-05-25 苏州汉朗光电有限公司 一种近晶a相液晶材料
CN105247013B (zh) * 2013-07-12 2017-10-03 株式会社Lg化学 液晶盒
US11466213B2 (en) * 2016-10-19 2022-10-11 Merck Patent Gmbh Liquid-crystalline medium
CN112940527B (zh) * 2019-12-10 2023-02-28 江苏和成新材料有限公司 一种非对称型偶氮染料及其制备方法和应用
CN112175627B (zh) * 2020-09-24 2022-04-15 北京科技大学 一种含芴核弯曲型化合物的蓝相液晶复合材料的制备方法
CN117580842A (zh) * 2021-10-11 2024-02-20 三菱化学株式会社 化合物、包含该化合物的各向异性色素膜用组合物、各向异性色素膜及光学元件

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28806A (en) * 1860-06-19 Albeet beotjghton
USRE28806E (en) 1972-02-24 1976-05-11 Xerox Corporation Liquid crystal compositions
US3960751A (en) * 1973-09-19 1976-06-01 Matsushita Electric Industrial Co., Ltd. Electro-optical display element
US3977769A (en) * 1974-05-31 1976-08-31 Matsushita Electric Industrial Co., Ltd. Electro-optic device
JPS50157272A (sv) * 1974-06-10 1975-12-19
JPS5122681A (ja) * 1974-08-20 1976-02-23 Matsushita Electric Ind Co Ltd Kongokoresuteritsukuekishozairyo
US3957348A (en) * 1975-03-26 1976-05-18 Xerox Corporation Method for altering elliptically polarized light
US4145114A (en) * 1975-06-17 1979-03-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Pleochroic dyes
US3973800A (en) * 1975-08-15 1976-08-10 Allan Sheldon Kogan Modular furniture units
US4032470A (en) * 1975-12-22 1977-06-28 Rca Corporation Electro-optic device
FR2356173A1 (fr) * 1976-06-21 1978-01-20 Gen Electric Procede pour ameliorer le temps de descente d'un dispositif d'affichage a composition de cristaux liquides nematique en helice
CH594897A5 (sv) * 1976-06-23 1978-01-31 Bbc Brown Boveri & Cie
GB1556311A (en) * 1976-09-06 1979-11-21 Suwa Seikosha Kk Liquid crystal composition
US4179395A (en) * 1976-09-09 1979-12-18 General Electric Company Dichroic dyes having a plurality of azo bonding groups
US4122027A (en) * 1976-11-08 1978-10-24 General Electric Company Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes
FR2373076A1 (fr) * 1976-12-03 1978-06-30 Thomson Csf Cellule a cristal liquide
DE2815335A1 (de) * 1977-04-11 1978-10-12 Minnesota Mining & Mfg Pleochroitische farbstoffe und mit diesen verwendbare elektrooptische anzeigevorrichtungen
US4105299A (en) * 1977-04-11 1978-08-08 Minnesota Mining And Manufacturing Company Electro-optical devices containing methine arylidene dyes
US4153343A (en) * 1977-06-09 1979-05-08 Rca Corporation Liquid crystal dyestuffs and electro-optic devices incorporating same
EP0002104B1 (en) * 1977-10-14 1982-10-20 BDH Chemicals Limited Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications
US4291948A (en) * 1977-11-10 1981-09-29 International Standard Electric Corporation Liquid crystal display incorporating positive and negative smectic material
CH629001A5 (fr) * 1978-02-06 1982-03-31 Ebauches Sa Cellule d'affichage electro-optique passif.
GB1549584A (en) * 1978-03-02 1979-08-08 Standard Telephones Cables Ltd Temperature responsive device
IT1115232B (it) * 1978-05-23 1986-02-03 Minnesota Mining & Mfg Coloranti pleocroici e sistemi visualizzatori del tipo elettro-ottico ottenuti con detti coloranti
JPS5525005A (en) * 1978-08-09 1980-02-22 Hitachi Ltd Guest-host type liquid crystal display device
DE2902177A1 (de) * 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
CH638828A5 (de) * 1978-12-21 1983-10-14 Bbc Brown Boveri & Cie Fluessigkristallmischung.
US4278323A (en) * 1979-02-12 1981-07-14 The United States Of America As Represented By The Secretary Of The Army Optical fiber slip ring
AU535899B2 (en) * 1979-02-23 1984-04-12 Minnesota Mining And Manufacturing Company Liquid crystal-pleochroic dye compositions
FR2462755A1 (fr) * 1979-07-27 1981-02-13 Thomson Csf Dispositif de visualisation a cristal liquide, et terminal telephonique comportant un tel dispositif
EP0025809A1 (de) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Flüssigkristallmischung
EP0044666B1 (en) * 1980-07-16 1985-05-29 Minnesota Mining And Manufacturing Company Helichromic compounds and displays
US4394070A (en) * 1980-07-16 1983-07-19 Minnesota Mining And Manufacturing Company Helichromic compounds and displays
GB2091753B (en) * 1981-01-23 1984-08-22 Standard Telephones Cables Ltd Use of 1,4-b15 (hydrocarbylamino) anthraquinos as dyes in the smetic layers of a liquid crystal cell
US4391492A (en) * 1981-04-06 1983-07-05 Minnesota Mining And Manufacturing Company Thermally addressed cholesteric-smectic liquid crystal device
DE3260456D1 (en) * 1981-05-21 1984-08-30 Crystaloid Electron Liquid crystalline materials incorporating dichroic dye and optical displays utilizing same

Also Published As

Publication number Publication date
FI833861A (fi) 1984-04-23
AU568096B2 (en) 1987-12-17
FI79132C (sv) 1989-11-10
CA1200970A (en) 1986-02-25
EP0107492A3 (en) 1985-09-11
DE3380354D1 (en) 1989-09-14
EP0107492B1 (en) 1989-08-09
KR840006820A (ko) 1984-12-03
KR910004825B1 (ko) 1991-07-13
AU2045583A (en) 1984-05-03
US4514045A (en) 1985-04-30
JPS5993777A (ja) 1984-05-30
JPH0410514B2 (sv) 1992-02-25
FI833861A0 (fi) 1983-10-21
EP0107492A2 (en) 1984-05-02

Similar Documents

Publication Publication Date Title
FI79132C (sv) Helikromisk-smektiska vätskekristallkompositioner och -displayceller
US5589100A (en) Dichroic azo dyes
US4394070A (en) Helichromic compounds and displays
EP0084208B1 (en) Asymmetric dichroic dye molecules having polyazoaryl linking groups and substituted aryl thiazyl substituents
US5389285A (en) Liquid crystal coupled dichroic dyes
KR840001859B1 (ko) 액정조성물
JPS6247230B2 (sv)
GB2103235A (en) Liquid crystal dielectrics and new pleochroic naphthoquinone dyes
CA1168037A (en) Liquid crystal materials with pleochroic dyes
JP6772126B2 (ja) エネルギーの通過を制御するデバイス
Banoon et al. Asymmetrical liquid crystals synthesis for effective sensing: Fluorescence investigations
US4702561A (en) Pleochroic dyes and electro-optical displays therewith
TW202035357A (zh) 用於液晶組合物的二色性偶氮－甲亞胺染料
EP0115136A2 (en) Cycloalkyl-type isotropic dyes for liquid crystal display devices
EP0044666B1 (en) Helichromic compounds and displays
Lee et al. Synthesis of liquid-crystalline, highly luminescent π-conjugated 1, 3, 5-triazine derivatives by palladium-catalyzed cross-coupling reaction
WO1986003215A1 (en) Dichroic azo dyes
KR920007662B1 (ko) 치환된 안트라센형 등방성 염료를 포함하는 조성물 및 상기 조성물을 포함하는 액정 디스플레이 장치
JP4139305B2 (ja) 二色性色素およびその組成物、二色性色素を含有する液晶組成物、ならびに液晶ディスプレイ素子
US5097029A (en) Process for preparing 2,3-dihydro-1,3-dialkyl-2,3-dialkyl perimidines and N,N-&#39;-dialkyl-1,8-naphthalene diamines
Vlahakis et al. Photoswitching of ferroelectric liquid crystals using unsymmetrical chiral thioindigo dopants: structural effects on polarization photomodulation
JP2002047282A (ja) クマリン誘導体
US6440507B1 (en) Unsymmetrical dioxazine compound dichroic dye liquid crystal composition and liquid crystal display element
JPS58185678A (ja) ゲスト―ホスト液晶装置に適する組成物及び液晶電気光学装置
JP2002294092A (ja) トリフェノジオキサジン化合物、その中間体、それら製造方法並びに二色性色素及び液晶組成物。

Legal Events

Date Code Title Description
MA Patent expired

Owner name: MINNESOTA MINING AND MANUFACTURING COMPANY