RETARDATION FILM

PROBLEM TO BE SOLVED: To provide a retardation film which has an excellent retardation exhibiting property and has reverse wavelength dispersion property. SOLUTION: The retardation film contains: a polymer (A-1) obtained by using diallyl phthalate as a raw material monomer; and a polymer (B) satisfy...

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Hauptverfasser:	KAWAI YOSHIKAZU, KURIMOTO KENJI
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 a retardation film which has an excellent retardation exhibiting property and has reverse wavelength dispersion property. SOLUTION: The retardation film contains: a polymer (A-1) obtained by using diallyl phthalate as a raw material monomer; and a polymer (B) satisfying Re(450)/Re(550)≤1.27 (wherein Re(450) is a retardation value of the light having 450 nm wavelength; and Re(550) is that of the light having 550 nm wavelength). The retardation film can exhibit reverse wavelength dispersion property and has the excellent retardation exhibiting property. COPYRIGHT: (C)2008,JPO&INPIT