Reflective liquid crystal display device

A reflective liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed therebetween. The liquid crystal layer includes a liquid crystal material and a dichroic dye contained therein, and long axis of liquid crystal molecules near the substrate is substantially...

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Bibliographische Detailangaben
Hauptverfasser:	ITOH, YASUHISA, KIMURA, NAOFUMI
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:	A reflective liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed therebetween. The liquid crystal layer includes a liquid crystal material and a dichroic dye contained therein, and long axis of liquid crystal molecules near the substrate is substantially parallel to the substrate. A plurality of parameters of the reflective liquid crystal display device are set so that a product KMcd of a value KM, a dye concentration c and a thickness d of the liquid crystal layer satisfies the following relationship: 3.OS2-7.3S+5.7 ≤ KMcd ≤ 14.7S2-15.1S+6.15, wherein, the value KM is a value defined by absorption coefficients for linearly-polarized light substantially parallel to and perpendicular to the liquid crystal molecules, and an order parameter S of the liquid crystal layer.