FERROELECTRIC LIQUID CRYSTAL ELEMENT, ITS PRODUCTION AND PRODUCTION OF LIQUID CRYSTAL ELEMENT

PROBLEM TO BE SOLVED: To enable halftone displaying with a ferromagnetic liquid crystal cell, to improve shock resistance and to embody a display of a high contrast and high transparency. SOLUTION: A photopolymerizable monomer and a photopolymn. initiator are added to a liquid crystal compsn. having...

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Bibliographische Detailangaben
Hauptverfasser:	SAKOU SADAHIRO, MIYAZAKI FUMI, KOUDEN MITSUHIRO, SAKAIGAWA AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enable halftone displaying with a ferromagnetic liquid crystal cell, to improve shock resistance and to embody a display of a high contrast and high transparency. SOLUTION: A photopolymerizable monomer and a photopolymn. initiator are added to a liquid crystal compsn. having a ferromagnetic liquid crystal phase (S5). The state in which two kinds of domains varying in the molecular major axis directions from each other coexist in the ferromagnetic liquid crystal phase (S6) is irradiated with light to form high-polymer network structures within the liquid crystal layer (S7), by which the liquid crystals are made to exhibit the macroscopie switching behavior between the three states with the sate described above as a stable state.