POLARIZER PROTECTIVE FILM, POLARIZING PLATE AND IMAGE DISPLAY APPARATUS

PROBLEM TO BE SOLVED: To provide a polarizer protective film which has excellent ultraviolet ray absorption capacity, excellent heat resistance, excellent transparency and favorable appearance of a film surface and which can be manufactured by stable film formation, to provide a polarizing plate whi...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAHARA KENJI, 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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polarizer protective film which has excellent ultraviolet ray absorption capacity, excellent heat resistance, excellent transparency and favorable appearance of a film surface and which can be manufactured by stable film formation, to provide a polarizing plate which uses a polarizer formed of the polarizer protective film and a polyvinyl alcohol resin and which has little appearance defect and further to provide an image display apparatus of high definition which uses the polarizing plate. SOLUTION: The polarizer protective film has an outermost layer (B1), an intermediate layer (A) and an outermost layer (B2) in this order. The outermost layer (B1) is a resin layer containing a (meth)acrylic resin as a principal component and containing no ultraviolet ray absorber. The intermediate layer (A) is a resin layer containing the (meth)acrylic resin as the principal component and containing the ultraviolet ray absorber. The outermost layer (B2) is a resin layer containing the (meth)acrylic resin as the principal component and containing no ultraviolet ray absorber. COPYRIGHT: (C)2007,JPO&INPIT