METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM PRODUCTION DEVICE, OPTICAL FILM AND LIQUID CRYSTAL DISPLAY

PROBLEM TO BE SOLVED: To provide a method for producing an optical film including a method of aligning a liquid crystallin compound at a high alignment level even in working in a roll-shaped film, and to provide a production device for the production method, namely, to provide a method for producing...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA TAKESHI, KOGURE MIDORI
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 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 FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing an optical film including a method of aligning a liquid crystallin compound at a high alignment level even in working in a roll-shaped film, and to provide a production device for the production method, namely, to provide a method for producing an optical film having an excellent viewing angle and a production device. SOLUTION: The method for producing an optical film having an optically anisotropic layer obtained by curing a liquid crystallin compound on a support sequentially includes: a step where the surface of the support or the surface of an intermediate layer is coated with a liquid crystallin compound; a first magnetic field applying step performed onto the coated liquid crystallin compound layer; a first step where the liquid crystallin compound is cured by active rays; a second magnetic field applying step; and a second step where the liquid crystallin compound is cured by active rays. COPYRIGHT: (C)2010,JPO&INPIT