GB1455442A - Liquid crystal display material and a device incorporating same - Google Patents

Liquid crystal display material and a device incorporating same

Info

Publication number
GB1455442A
GB1455442A GB5284573A GB5284573A GB1455442A GB 1455442 A GB1455442 A GB 1455442A GB 5284573 A GB5284573 A GB 5284573A GB 5284573 A GB5284573 A GB 5284573A GB 1455442 A GB1455442 A GB 1455442A
Authority
GB
United Kingdom
Prior art keywords
nov
liquid crystal
nematic
additives
carbon atoms
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
GB5284573A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP11496572A external-priority patent/JPS5332708B2/ja
Priority claimed from JP11537472A external-priority patent/JPS5223348B2/ja
Priority claimed from JP11579372A external-priority patent/JPS5223349B2/ja
Priority claimed from JP11579472A external-priority patent/JPS5223350B2/ja
Priority claimed from JP11579572A external-priority patent/JPS5539591B2/ja
Priority claimed from JP11582972A external-priority patent/JPS5223351B2/ja
Priority claimed from JP11698272A external-priority patent/JPS4974678A/ja
Priority claimed from JP11699672A external-priority patent/JPS5223359B2/ja
Priority claimed from JP11698372A external-priority patent/JPS4974679A/ja
Priority claimed from JP11698672A external-priority patent/JPS5223353B2/ja
Priority claimed from JP11698472A external-priority patent/JPS4974680A/ja
Priority claimed from JP11698772A external-priority patent/JPS5223354B2/ja
Priority claimed from JP11698172A external-priority patent/JPS4974677A/ja
Priority claimed from JP11699572A external-priority patent/JPS5223358B2/ja
Priority claimed from JP11699372A external-priority patent/JPS5223356B2/ja
Priority claimed from JP11699272A external-priority patent/JPS5223355B2/ja
Priority claimed from JP11691972A external-priority patent/JPS5223352B2/ja
Priority claimed from JP11699472A external-priority patent/JPS5223357B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1455442A publication Critical patent/GB1455442A/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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133345—Insulating layers
    • 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
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • 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
    • C09K19/56—Aligning agents
    • 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
    • C09K19/066—Non-steroidal liquid crystal compounds containing one heterocyclic ring having oxygen as heteroatom
    • 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
    • C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
    • C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
    • C09K2019/3422—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a six-membered ring

Abstract

1455442 Liquid crystal compositions MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 14 Nov 1973 [15 Nov 1972 16 Nov 1972 17 Nov 1972 (4) 20 Nov 1972 (12)] 52845/73 Heading C4X [Also in Division G2] Additives for a nematic liquid crystal material are selected from: (a) sorbitan esters where the hydroxy groups α, or α and #, to the ester grouping may also be esterified; (b) sorbide monoesters (c) glycerol 1- or 1,3- or 1,2,3-esters; (d) N-acy' sarcosines or the sodium salt (e) RNHCH 2 CH 2 OH; (f) p-alkylbenzenesulphonic acids and sodium salts; (g) R 2 R<SP>1</SP> 2 N<SP>+</SP>X<SP>-</SP>; (h) EtRR<SP>1</SP> 2 N<SP>+</SP>X<SP>-</SP>; (i) BzRR<SP>1</SP> 2 N<SP>+</SP>X<SP>-</SP> (Bz = benzyl); (j) BzR<SP>1</SP> 3 N<SP>+</SP>X<SP>-</SP> (Bz = p-alkylbenzoyl); (k) (RCOOCH 2 CH 2 )R<SP>1</SP> 2 N<SP>+</SP>X<SP>-</SP>; (1) (RO) 3 P; (m) (RO) 3 PO ; (n) R 2 HPO 4 . The alkyl portion R of the acyl groups RCO- in compounds (a)-(d) and the alkyl groups (R) in (e)-(l) have 10-24 carbon atoms, R<SP>1</SP> is methyl or ethyl and X- is a monovalent anion. In formulae (m) and (n) R is an alkyl group with 4-24 carbon atoms. More than one additive may be present. The additives are weakly orienting in that a homotropic alignment may be produced at the electrodes of a display device, but not at glass surfaces thereof without prior treatment. As particularly described the nematic material consists of equal weights of p-anisylidene-p-nheptylaniline; p - ethoxybenzylidene - p - nbutylaniline; and p - n - propoxybenzylidenep-n-pentylaniline. Other single nematic compounds are referred to. In addition a strongly orienting additive such as a gallic acid cetyl ester or lecithin (dodecyltrimethylammonium bromide is also referred to) may be present. Reference has boen directed by the Comptroller to Specification 1,253,330.
GB5284573A 1972-11-15 1973-11-14 Liquid crystal display material and a device incorporating same Expired GB1455442A (en)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
JP11496572A JPS5332708B2 (en) 1972-11-15 1972-11-15
JP11537472A JPS5223348B2 (en) 1972-11-16 1972-11-16
JP11579572A JPS5539591B2 (en) 1972-11-17 1972-11-17
JP11582972A JPS5223351B2 (en) 1972-11-17 1972-11-17
JP11579372A JPS5223349B2 (en) 1972-11-17 1972-11-17
JP11579472A JPS5223350B2 (en) 1972-11-17 1972-11-17
JP11698372A JPS4974679A (en) 1972-11-20 1972-11-20
JP11698672A JPS5223353B2 (en) 1972-11-20 1972-11-20
JP11698272A JPS4974678A (en) 1972-11-20 1972-11-20
JP11698772A JPS5223354B2 (en) 1972-11-20 1972-11-20
JP11698172A JPS4974677A (en) 1972-11-20 1972-11-20
JP11699572A JPS5223358B2 (en) 1972-11-20 1972-11-20
JP11699372A JPS5223356B2 (en) 1972-11-20 1972-11-20
JP11699272A JPS5223355B2 (en) 1972-11-20 1972-11-20
JP11699672A JPS5223359B2 (en) 1972-11-20 1972-11-20
JP11699472A JPS5223357B2 (en) 1972-11-20 1972-11-20
JP11691972A JPS5223352B2 (en) 1972-11-20 1972-11-20
JP11698472A JPS4974680A (en) 1972-11-20 1972-11-20

Publications (1)

Publication Number Publication Date
GB1455442A true GB1455442A (en) 1976-11-10

Family

ID=27586143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5284573A Expired GB1455442A (en) 1972-11-15 1973-11-14 Liquid crystal display material and a device incorporating same

Country Status (2)

Country Link
CA (1) CA1028142A (en)
GB (1) GB1455442A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170353A2 (en) * 2000-07-06 2002-01-09 Fuji Photo Film Co., Ltd. Liquid crystal composition comprising liquid crystal molecules and aligment promoter
WO2005061660A1 (en) * 2003-12-15 2005-07-07 Eastman Kodak Company Aligned liquid crystal layer containing lewis acids

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170353A2 (en) * 2000-07-06 2002-01-09 Fuji Photo Film Co., Ltd. Liquid crystal composition comprising liquid crystal molecules and aligment promoter
EP1170353A3 (en) * 2000-07-06 2003-01-22 Fuji Photo Film Co., Ltd. Liquid crystal composition comprising liquid crystal molecules and aligment promoter
US6875483B2 (en) 2000-07-06 2005-04-05 Fuji Photo Film Co., Ltd. Liquid crystal composition comprising liquid crystal molecules and alignment promoter
WO2005061660A1 (en) * 2003-12-15 2005-07-07 Eastman Kodak Company Aligned liquid crystal layer containing lewis acids
US7217445B2 (en) 2003-12-15 2007-05-15 Nitto Denko Corporation Aligned liquid crystal layer containing Lewis acids and process for increasing the tilt

Also Published As

Publication number Publication date
CA1028142A (en) 1978-03-21

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19931113