A thin film transistor (TFT) array panel is provided, which includes a substrate, a plurality of gate lines including gate electrodes, a plurality of data lines intersecting the gate lines; a plurality of TFTs having semiconductors, connected to the gate lines and the data lines, and a plurality of pixel electrodes connected to the TFTs, wherein the TFTs have varying leakage currents, and the TFTs are randomly distributed.
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