OPTICALLY ISOTROPIC LAMINATE

PURPOSE:To obtain a small retardation value and rigidity by sticking two sheets of laminated sheets, each of which is formed by providing a gas permeation resistance resin layer on one surface of an optically isotropic base material sheet and further, providing a crosslinkable resin cured material l...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA TAKASHI, ICHIKAWA RINJIRO, NUNOYAMA EIJI, HARASAWA HITOSHI
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 LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a small retardation value and rigidity by sticking two sheets of laminated sheets, each of which is formed by providing a gas permeation resistance resin layer on one surface of an optically isotropic base material sheet and further, providing a crosslinkable resin cured material layer therein, via adhesive layers in a such a manner that the crosslinkable resin cured materials are the two outermost layers. CONSTITUTION:The gas permeation resistance resin layer 2 formed by a casting method is provided on one surface of the optically isotropic base material sheet 1 and further the crosslinkable resin cured material layer 3 formed by a casting method is provided on the gas permeation resistance resin layer 2 to obtain the laminated sheet 4. Two or more sheets of the laminated sheets 4 obtd. in such a manner are stuck to each other via the adhesive layers and in such a manner that the crosslinkable resin cured material layers 3a are the two outermost layers. The crosslinkable resin cured material layers 3 to constitute the outermost layer have excellent scratching resistance, high hardness and good chemical resistance and the gas permeation resistance resin layers 2 have an excellent oxygen barrier property. The small retardation value and the rigidity are obtd. even with the large-sized panel in this way.