| 摘要 |
There is provided an LED driver capable of preventing deterioration of display quality for moving image display in a display device employing, as a backlight, light-emitting diodes formed in a plurality of rows. An LED driver includes a plurality of bypass switches connected in parallel with a respective plurality of light-emitting diodes; switch control circuits that control on and off states of the bypass switches; registers provided in one-to-one correspondence with the bypass switches; a first counter and a second counter that count clocks; and comparators that compare the value of the first counter or the second counter with the values of the registers. Here, as timing control signals, a first reset signal is provided to the first counter and a second reset signal is provided to the second counter.
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