LIQUID CRYSTAL DISPLAY PANEL

PROBLEM TO BE SOLVED: To provide a liquid crystal display panel with high contrast. SOLUTION: A liquid crystal with a wavelength dispersion value of 1.15 or more is sealed in a liquid crystal cell 1. A twist retardation film 3 is disposed on the front face of the liquid crystal cell 1. A front side...

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Bibliographische Detailangaben
1. Verfasser:	KUSAKABE MICHINORI
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 liquid crystal display panel with high contrast. SOLUTION: A liquid crystal with a wavelength dispersion value of 1.15 or more is sealed in a liquid crystal cell 1. A twist retardation film 3 is disposed on the front face of the liquid crystal cell 1. A front side polarizing plate 2 is disposed on the twist retardation film 3. Also a rear side polarizing plate 4 is disposed on the rear face of the liquid crystal cell 1. The wavelength dispersion value of the liquid crystal is preferably ≥1.15 and ≤1.21. Anisotropy of the refractive index of the liquid crystal for light with 590 nm wavelength is preferably 0.18 or more, and a cell gap of the liquid crystal cell 1 is preferably set to be 5.0 μm or less. COPYRIGHT: (C)2008,JPO&INPIT