POLARIZER AND MANUFACTURING METHOD THEREFOR

To provide a highly heat-resistant polarizer.SOLUTION: A polarizer provided herein features a ratio of the number of iodine-zinc bonds to the number of iodine-iodine bonds in a range of 0.64 to 0.76, inclusive, in a direction parallel to a slow axis thereof, has a thickness of 15 μm or less, and is...

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Bibliographische Detailangaben
Hauptverfasser:	UDA YUKIHIRO, MUTO KIYOSHI, SUMITA KOJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADVERTISING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION ELECTRICITY FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	To provide a highly heat-resistant polarizer.SOLUTION: A polarizer provided herein features a ratio of the number of iodine-zinc bonds to the number of iodine-iodine bonds in a range of 0.64 to 0.76, inclusive, in a direction parallel to a slow axis thereof, has a thickness of 15 μm or less, and is obtained by adsorbing and aligning a dichroic pigment in a polyvinyl alcohol resin film.SELECTED DRAWING: Figure 1 【課題】耐熱性に優れた偏光子を提供すること。【解決手段】偏光子の吸収軸に平行な方向におけるヨウ素－ヨウ素結合数に対するヨウ素－亜鉛結合数の比が０．６４以上０．７６以下である偏光子であって、厚みが１５μｍ以下であり、ポリビニルアルコール系樹脂フィルムに二色性色素を吸着配向させた偏光子。【選択図】図１