| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display driving device (liquid crystal driver)that never lowers display picture quality even when a plurality of signal lines (source lines) of a display panel are divided into a plurality of groups and driven with time differences among the groups, for EMI countermeasures. SOLUTION: The display driving device (liquid crystal driver) which receives display image data, generates an image signal to be applied to signal lines of the display panel, and outputs an image signal of each line according to an externally inputted output timing signal, wherein output amplifiers of a final stage outputting the image signal are divided into a plurality of groups, so that the output timing of the image signal is slightly shifted for each group, and the output order of output amplifies of the respective groups is periodically changed. COPYRIGHT: (C)2006,JPO&NCIPI
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