| 摘要 |
PURPOSE: A lighting device for providing use related information is provided to prevent damage to a consumer by finding the use time of LED illumination in a rapid and easy way. CONSTITUTION: A measuring unit(120) measures use related information of LEDs(140) for illumination. A guide unit(200) provides the use related information. The use related information is the use time of the LEDs for illumination. The guide unit provides the use time through a display. The display is formed on a socket part of the lighting device. [Reference numerals] (110) Power input unit; (120) Use time measuring unit; (130) LED driver; (140) LED for illumination; (200) Use time guide unit |
