λ/4 PLATE WITH HARD COAT, MANUFACTURING METHOD THEREOF, POLARIZATION PLATE, LIQUID CRYSTAL DISPLAY DEVICE, AND TOUCH PANEL MEMBER

PROBLEM TO BE SOLVED: To provide a λ/4 plate with hard coat which eliminates variations in an in-plane orientation angle or phase difference and adhesiveness deterioration during hard coat processing, a manufacturing method thereof, high-contrast three-dimensional (3D) image display device, and a to...

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Bibliographische Detailangaben
Hauptverfasser:	KOGURE MIDORI, MAEJIMA KATSUMI, INAGAKI SHINJI
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 λ/4 plate with hard coat which eliminates variations in an in-plane orientation angle or phase difference and adhesiveness deterioration during hard coat processing, a manufacturing method thereof, high-contrast three-dimensional (3D) image display device, and a touch panel member which improves contrast and has an external light reflection prevention function together.SOLUTION: A λ/4 plate with hard coat, in which an in-plane phase difference Ro(590) in a wavelength 590 nm is 110 nm to 170 nm, is a resin film obtained by laminating a layer A including cellulose acylate meeting an expression (1) of 2.0