Patent ID: 7119785

Claim:
A liquid crystal display apparatus which displays video by driving a liquid crystal panel in OCB mode based on a video signal, the liquid crystal display apparatus comprising: a detecting section for detecting a value of a parameter that causes fluctuations in a back transition occurrence condition; a calculating section for determining, in accordance with the detection value of the detecting section, a ratio of a time period of applying a high voltage with respect to one frame period, the high voltage being applied to the liquid crystal panel in order to prevent back transition; and a controller for alternately outputting a video signal and a non-image signal for applying the high voltage, and driving the liquid crystal panel on a condition in accordance with the determination result of the calculating section, wherein the detecting section is a temperature sensor placed in the vicinity of the liquid crystal panel, and wherein the calculating section a) determines the ratio of the time period of applying the high voltage with respect to one frame period as being relatively high when the temperature detected by the temperature sensor is higher than a predetermined temperature, and b) determines the ratio of the time period of applying the high voltage with respect to one frame period as being relatively low when the temperature detected by the temperature sensor is lower than the predetermined temperature.