OPTICAL FILM AND POLARIZING PLATE

PROBLEM TO BE SOLVED: To provide an optical film which does not decrease visibility so much when used for a high-quality liquid crystal display device without degrading advantages such as various kinds of optical characteristics, heat resistance, adhesion property or sticking property with other mat...

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Hauptverfasser:	SEKIGUCHI MASAYUKI, USHINO TAKUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON 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 GENERAL PROCESSES OF COMPOUNDING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optical film which does not decrease visibility so much when used for a high-quality liquid crystal display device without degrading advantages such as various kinds of optical characteristics, heat resistance, adhesion property or sticking property with other materials and polarizing plate using the optical film, and so on of a conventional optical film essentially comprising a cyclic olefin resin or a thermoplastic norbornene resin. SOLUTION: The optical film comprises cyclic olefin resin and has ≤10 spots/m2of bright spots. The film is suitable for a liquid crystal display. COPYRIGHT: (C)2005,JPO&NCIPI