LIQUID CRYSTAL DISPLAY ELEMENT, ITS PRODUCTION AND LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To realize gradation display of a liquid crystal display element by making domain size smaller than pixel size and uniformizing domain distribution over a wide area. SOLUTION: The liquid crystal display element is manufactured by injecting a mixture of a ferroelectric liquid cr...

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Bibliographische Detailangaben
Hauptverfasser:	SAKOU SADAHIRO, KISHIMOTO KAZUYUKI, 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 realize gradation display of a liquid crystal display element by making domain size smaller than pixel size and uniformizing domain distribution over a wide area. SOLUTION: The liquid crystal display element is manufactured by injecting a mixture of a ferroelectric liquid crystal (FLC) composition and a monofunctional monomer between an electrode substrate 9 consisting of a substrate 1, an electrode L, an oriented film 5 and a polarizing plate 7 and an electrode substrate 10 consisting of a substrate 2, an electrode S, an oriented film 6 and a polarizing plate 8. After the mixture is heated at a temp. at which the FLC composition shows a nematic phase or an isotropic phase while irradiating the mixture with UV to polymerize the monomer, the liquid crystal display element is cooled. In such a manner, an isotropic structured body giving locally different threshold characteristics is formed to a striped structure in the mixture to form a liquid crystal layer 12. The striped structure is formed by holding polymers formed by polymerization between the smectic layers of the FLC composition during cooling process.