METHOD FOR MANUFACTURING λ/4 PLATE WITH HARD COAT, POLARIZING PLATE USING λ/4 PLATE WITH HARD COAT, LIQUID CRYSTAL DISPLAY DEVICE, AND STEREOSCOPIC IMAGE DISPLAY DEVICE

METHOD FOR MANUFACTURING λ/4 PLATE WITH HARD COAT, POLARIZING PLATE USING λ/4 PLATE WITH HARD COAT, LIQUID CRYSTAL DISPLAY DEVICE, AND STEREOSCOPIC IMAGE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a method for manufacturing a λ/4 plate with hard coat having neither slight streak nor irregularity that may influence the visibility, and to provide a polarizing plate using the λ/4 plate with the hard coat, a liquid crystal display device, and a stereoscopic image...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANIHARA NORIE, MURAKAMI TAKASHI
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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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for manufacturing a λ/4 plate with hard coat having neither slight streak nor irregularity that may influence the visibility, and to provide a polarizing plate using the λ/4 plate with the hard coat, a liquid crystal display device, and a stereoscopic image display device with improved visibility such as cross talk.SOLUTION: The method for manufacturing a λ/4 plate with hard coat includes: forming a hard coat layer on the λ/4 plate that includes cellulose acylate having a total acyl substitution degree of at least 2.0 to 2.5, and a compound represented by the following general formula (FA) and having a total average substitution degree of within 3.0 to 6.5; immersing the λ/4 plate in warm water or subjecting the λ/4 plate to a steam process; and then continuously applying the hard coat layer thereto.