POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

The purpose of the present invention is to provide: a polarizing plate which has good adhesion between a polarizer and a protective film even if the protective film is thin; and a liquid crystal display device which comprises this polarizing plate and is suppressed in optical unevenness. A polarizin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KASAHARA MUTSUMI, MIKOSHIBA EMIKO
Format:	Patent
Sprache:	chi ; 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:	The purpose of the present invention is to provide: a polarizing plate which has good adhesion between a polarizer and a protective film even if the protective film is thin; and a liquid crystal display device which comprises this polarizing plate and is suppressed in optical unevenness. A polarizing plate according to the present invention comprises: a polarizer which comprises a polyvinyl alcohol-based film and a dichroic dye that is adsorbed and oriented on the polyvinyl alcohol-based film; a protective film which is arranged on at least one surface of the polarizer; and an adhesive layer which is arranged between the polarizer and the protective film. The protective film contains a cycloolefin resin and a glue penetration accelerator X that has an adsorbed water content of 1% by mass or more but less than 2% by mass; the abundance ratio of the glue penetration accelerator X in a region of 0.5-3 Mum from a protective film surface, on which the adhesive layer is arranged, relative tothe total number of all