| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize an LED indicating the action state of an ion generator. SOLUTION: A plurality of (seven here) LEDs (illumination LED 11, action display LED 12) constituting a room light are arranged in a vehicle, and include the action display LED 12, i.e., the LED indicating the action state of the ion generator 13 for generating at least one of a cation and an anion. COPYRIGHT: (C)2009,JPO&INPIT
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