POLARIZER PROTECTIVE FILM, POLARIZING PLATE, AND IMAGE DISPLAY APPARATUS

PROBLEM TO BE SOLVED: To provide a polarizer protective film with high productivity, the film excellent in mechanical strength which solves problems of being fragile and easily broken, and having high heat resistance and optical transparency and excellent moisture resistance, to provide a polarizing...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAHARA KENJI, SUGINO YOICHIRO, KIRA RYUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	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 PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polarizer protective film with high productivity, the film excellent in mechanical strength which solves problems of being fragile and easily broken, and having high heat resistance and optical transparency and excellent moisture resistance, to provide a polarizing plate having less defect in the appearance using the above polarizer protective film and a polarizer made of polyvinyl alcohol resin, and to provide a high definition image display apparatus with high productivity using the above polarizing plate. SOLUTION: The polarizer protective film essentially comprises a (meth)acrylic resin having ≥100°C Tg, and shows ≤1.0 in-plane retardation Δnd, ≤3.0 retardation Rth in the thickness direction, and ≤65 g/m224 hours of moisture permeability. COPYRIGHT: (C)2007,JPO&INPIT