DUST COLLECTING DEVICE, CLEANING DEVICE USING SAID DUST COLLECTING DEVICE, AND METHOD OF CONTROLLING CLEANING DEVICE

摘要

The present invention relates to a dust collecting device, a cleaning device using the dust collecting device, and a method of controlling the cleaning device. The dust collecting device may include: a dust collecting space for collecting impurities; and a variable unit formed to surround the dust collecting space, and having at least one among the transparency, shape, and color thereof changed according to applied electric power.