A lamp, a method of driving the lamp, a backlight assembly having the lamp, and a liquid crystal display (LCD) device having the backlight assembly are disclosed. The lamp includes a tube that contains gas and first through fourth electrodes. The first and second electrodes are disposed in the tube adjacent to first and second ends of the tube. The third and fourth electrodes are disposed at the first and second ends of the tube. Voltages applied to the electrodes are sufficient for light to be emitted throughout the lamp. The first and second voltages, third and fourth voltages, first and third voltages, and second and fourth voltages have different polarities while the first and fourth voltages and the second and third voltages have the same polarity.
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