LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME

摘要

At the time of partial drive, the levels of voltages applied to data lines SL1 to SLn are switched according to a rewrite frequency set for each region of a display screen. For example, in a still-image display region with a relatively low rewrite frequency, the levels of the voltages applied to the data lines SL1 to SLn are set to be higher than those for a moving-image display region with a relatively high rewrite frequency. By this, the same effect as that obtained when a counter voltage is switched according to the rewrite frequency can be obtained. Thus, flicker occurring in each region of the display screen can be suppressed.

主权项

1. A liquid crystal display device having a partial drive function, the liquid crystal display device comprising:
a liquid crystal panel including a plurality of scanning lines, a plurality of data lines, and a plurality of pixel circuits arranged at respective intersections of the scanning lines and the data lines; a scanning line drive circuit that drives the scanning lines; a data line drive circuit that applies voltages according to a data signal, to the data lines; and a display control circuit that controls the scanning line drive circuit and the data line drive circuit, wherein at the time of partial drive, levels of the voltages applied to the data lines are switched according to a rewrite frequency set for each region of a display screen.