OPTICAL MEMBER, MANUFACTURING METHOD THEREOF, AND LIQUID CRYSTAL USING THE SAME

PROBLEM TO BE SOLVED: To provide an optical member composed of a polyvinyl alcohol resin film, which is subjected to cross-linking treatment so as to have a low deformation shrinkage ratio, even at a high temperature and has high optical characteristics, and to provide a manufacturing method thereof...

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Bibliographische Detailangaben
Hauptverfasser:	ENOMOTO TADASHI, KAWAKAMI KIKUJI
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an optical member composed of a polyvinyl alcohol resin film, which is subjected to cross-linking treatment so as to have a low deformation shrinkage ratio, even at a high temperature and has high optical characteristics, and to provide a manufacturing method thereof, and a liquid crystal device using the optical member. SOLUTION: The optical member 11 is composed of a polyvinyl alcohol resin cross-linked and fixed by using a boron, wherein the ratio of a peak intensity height I(OH) derived from stretching vibrations of an OH group, coupled to carbon of a main chain at a wavenumber of about 3,322 cm-1to a peak intensity height I(CH2) derived from stretching vibrations of a CH2group, in a carbon chain of the main chain at a wavenumber of about 2,914 cm-1in an infrared absorption spectrum is ≤1.05. COPYRIGHT: (C)2011,JPO&INPIT