FR2206882A5 - Clear liquid crystal display device - with sorbitan/sorbitol/glycerol/sarcosine ester, hydroxy amine, alkyl benzene sulphonate, quaternary ammonium salt, phosphite or phosphate - Google Patents
Clear liquid crystal display device - with sorbitan/sorbitol/glycerol/sarcosine ester, hydroxy amine, alkyl benzene sulphonate, quaternary ammonium salt, phosphite or phosphateInfo
- Publication number
- FR2206882A5 FR2206882A5 FR7340459A FR7340459A FR2206882A5 FR 2206882 A5 FR2206882 A5 FR 2206882A5 FR 7340459 A FR7340459 A FR 7340459A FR 7340459 A FR7340459 A FR 7340459A FR 2206882 A5 FR2206882 A5 FR 2206882A5
- Authority
- FR
- France
- Prior art keywords
- phosphite
- sorbitan
- sorbitol
- glycerol
- phosphate
- 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
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
- C09K19/56—Aligning agents
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133703—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by introducing organic surfactant additives into the liquid crystal material
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
Abstract
The equipment contains a liquid crystals system with nematic structure contg. as additive., at least one of the following cpds.: R.COOCH2CH2.R3N+X-, (RO)3P, (R5O)3PO or R52HPO4 (in which R is 10-24C alkyl; R1 and R2 are H and/or COR; R3 is Me or Et; R4 is PhCH2 or Et; R5 is 4-24C alkyl; X- is a monovalent anion). The use of additives of this type ensures complete freedom from cloudiness. The nematic liquid crystals pref. consist of a 1:1:1 mixt. by wt of p-anisylideno-p-n-heptyl-, p-ethoxybenzylideno-p-n-butyl-and p-n-propoxybenzylideno-p-n-pentyl-anilines.
Applications Claiming Priority (10)
| 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 | |
| JP11582972A JPS5223351B2 (en) | 1972-11-17 | 1972-11-17 | |
| JP11579472A JPS5223350B2 (en) | 1972-11-17 | 1972-11-17 | |
| JP11579372A JPS5223349B2 (en) | 1972-11-17 | 1972-11-17 | |
| JP11579572A JPS5539591B2 (en) | 1972-11-17 | 1972-11-17 | |
| JP11698172A JPS4974677A (en) | 1972-11-20 | 1972-11-20 | |
| JP11698272A JPS4974678A (en) | 1972-11-20 | 1972-11-20 | |
| JP11691972A JPS5223352B2 (en) | 1972-11-20 | 1972-11-20 | |
| JP11698372A JPS4974679A (en) | 1972-11-20 | 1972-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2206882A5 true FR2206882A5 (en) | 1974-06-07 |
Family
ID=27580260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7340459A Expired FR2206882A5 (en) | 1972-11-15 | 1973-11-14 | Clear liquid crystal display device - with sorbitan/sorbitol/glycerol/sarcosine ester, hydroxy amine, alkyl benzene sulphonate, quaternary ammonium salt, phosphite or phosphate |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2206882A5 (en) |
-
1973
- 1973-11-14 FR FR7340459A patent/FR2206882A5/en not_active Expired
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