LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a transmissive liquid crystal display device having a backlight, the device hardly receiving such an influence that colors change depending on viewing angles, although the device selects a VA (vertically alignment) mode as an operation mode to obtain high contrast an...

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Bibliographische Detailangaben
1. Verfasser:	ISHIBASHI NAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a transmissive liquid crystal display device having a backlight, the device hardly receiving such an influence that colors change depending on viewing angles, although the device selects a VA (vertically alignment) mode as an operation mode to obtain high contrast and further the device employs a passive matrix driving and an increased Δnd value to respond to a higher duty. SOLUTION: The liquid crystal display device 10 of the present invention comprises a liquid crystal panel 11 that drives a vertically aligned liquid crystal layer by a passive matrix system and a backlight 12 disposed in an opposite side to the view side of the liquid crystal panel 11. The driving system is a 1/D duty driving (wherein D is an integer of 4 or more). The retardation value of the liquid crystal layer ranges from 500 nm to 1,500 nm. The backlight 12 has a monochromatic light source 121 having a peak of a single wavelength. COPYRIGHT: (C)2008,JPO&INPIT