POLARIZING ELEMENT, LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a polarizing element with which a liquid crystal display device having high contrast ratios in all directions and having little color shift in oblique directions is attained. SOLUTION: The polarizing element is equipped with: a polarizer; a first optical element sati...

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Bibliographische Detailangaben
Hauptverfasser:	WAKAO KAZUHIRO, ISHINABE TAKAHIRO, SASAKI SHINICHI, HAYASHI MASAKI, UCHIDA TATSUO
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 a polarizing element with which a liquid crystal display device having high contrast ratios in all directions and having little color shift in oblique directions is attained. SOLUTION: The polarizing element is equipped with: a polarizer; a first optical element satisfying inequalities (1) and (2); a second optical element satisfying inequalities (3) and (4); a third optical element satisfying inequalities (5) and (6) sequentially in this order. Inequality (1): 200 nm≤Re[590]≤350 nm, inequality (2): Re[590]>Rth[590], inequality (3): 70 nm≤Re[590]≤210 nm, inequality (4): Re[590]>Rth[590], inequality (5): Re[590]>0 nm, and inequality (6): Re[590]