| 摘要 |
PROBLEM TO BE SOLVED: To reduce unevenness in display luminance between each divided region and make high-quality image display possible on the entire screen in a configuration where the screen of a liquid crystal display device is divided into a plurality of regions and display control is performed.SOLUTION: The drive circuit of a liquid crystal panel is controlled for each divided region by control signals from a plurality of timing controllers (12a) to (12d), (13a) to (13d) corresponding to each of a plurality of regions into which the screen of the liquid crystal panel is divided. A reference voltage generation circuit (14) for generating a gradation reference voltage used to generate a gradation voltage that corresponds to a gradation value on the basis of gradation reference data that is preset in a liquid crystal display device, a gradation voltage generation circuit (15) for dividing the gradation reference voltage generated by the reference voltage generation circuit (14) and generating a gradation voltage that corresponds to a gradation value, and a counter voltage generation circuit (16) for generating a counter voltage that is supplied to the counter electrode of the liquid crystal panel are possessed in common in all of the plurality of divided regions.SELECTED DRAWING: Figure 3 |
