POLARIZER PROTECTIVE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY ELEMENT

PROBLEM TO BE SOLVED: To provide a polarizer protective film capable of solving a problem in which a displayable color varies depending on a viewing angle in a recent liquid crystal display element.SOLUTION: A polarizer protective film contains a thermoplastic resin and fine particles. And the polar...

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Bibliographische Detailangaben
Hauptverfasser:	MIYOSHI YUKI, AWAJI TOSHIO, IMAI HIROSHI, NAKA AKIO, NAKANISHI HIDETAKA, TOMINAGA NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 GENERAL PROCESSES OF COMPOUNDING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polarizer protective film capable of solving a problem in which a displayable color varies depending on a viewing angle in a recent liquid crystal display element.SOLUTION: A polarizer protective film contains a thermoplastic resin and fine particles. And the polarizer protective film has a diffusivity (that is a ratio of 30° emitted light to 0° emitted light when incident light comes from the direction that is normal to the polarizer protective film as measured by a goniometer) of 0.3% or less and wavelength selectivity of rectilinearly advancing light shown by formula 1 of 1.001 to 1.600. Formula 1: wavelength selectivity of rectilinearly advancing light=((transmittance for rectilinearly advancing light of 685 nm light)/(total transmittance for 685 nm light))/((transmittance for rectilinearly advancing light of 470 nm light)/(total transmittance for 470 nm light)).