Patent ID: 8553176
Filing Date: 2013-10-08
Classification: G09G

Abstract:
1. A liquid crystal display device having a liquid crystal panel displaying an input video signal, a light source illuminating the liquid crystal panel, and a light source luminance control portion controlling a lighting luminance of the light source, the liquid crystal display device comprising: a temperature detecting portion that detects a temperature within the liquid crystal display device; an enhanced converting portion that evaluates an enhanced conversion parameter for compensating the optical response characteristic of the liquid crystal panel, to output an applied voltage signal to the liquid crystal panel based on the enhanced conversion parameter; and a panel temperature correcting portion that, when the lighting luminance of the light source changes, corrects a panel surface temperature of the liquid crystal panel corresponding to a temperature detected by the temperature detecting portion, based on the changed lighting luminance; the enhanced converting portion variably controlling the enhanced conversion parameter based on the panel surface temperature corrected by the panel temperature correcting portion.