| 摘要 |
When using a LCD panel in a normally-black mode which controls, by using an electric field, the tilt direction of vertically-aligned liquid crystal molecules sandwiched between first and second substrates, the value of a voltage to be supplied to the liquid crystal layer for a black display is set in a range which is larger than 0 V, and, preferably, greater than an optical characteristics changing voltage Vth for the liquid crystal, and enables contrast of 50 or over. With this arrangement, it is possible to increase a response time of the liquid crystal when switching a vertically-aligned LCD from the OFF to ON states.
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