DISPLAY DRIVING CIRCUIT, DISPLAY DEVICE, AND DISPLAY DRIVER IC

摘要

PROBLEM TO BE SOLVED: To display a normal image on a display panel even if skew occurs among pieces of display data among a plurality of communication ports when a display driving circuit for displaying an image on the connected display panel includes a plurality of communication ports that receive display data.SOLUTION: A display driving circuit of the present invention includes a plurality of communication ports, a horizontal synchronization signal detecting circuit, and delay circuits at the respective communication ports. The plurality of communication ports each synchronize with a clock and sequentially receive a horizontal synchronization signal and a plurality of display data. The horizontal synchronization signal detecting circuit extracts a horizontal synchronization signal received last among horizontal synchronization signals received at the plurality of respective communication ports. Delay circuits, at the respective communication ports, delay display data received at the plurality of respective communication ports on the basis of difference between the horizontal synchronization signal received at the relevant communication port and the latest horizontal synchronization signal extracted by the horizontal synchronization signal detecting circuit.