| 摘要 |
<p>A device for purifying air, includes a housing having an end portion supplied with power, at least one illumination unit engaged with the housing for emitting light to illuminate areas, an air purifying unit, engaged with the housing, for generating negative ions to purify air, and a sensor for detecting an amount of light emitted by the illumination unit and controlling an amount of negative ions generated by the air purifying unit based on this detection.</p> |
