发明名称 LIGHTING DEVICE AND LIGHTING FIXTURE USING THE SAME
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a lighting fixture provided with a service life notifying function capable of surely notifying service life to an user, which can make the user take measure at an appropriate time at life end. <P>SOLUTION: The lighting fixture 1 has a plurality of LED packages 2 serving as light source, and notifies the life end by changing the lighting state of the LED packages 2 from normal lighting state in a manner of repeating turning on and off of the LED packages 2. The change of the lighting state of the LED packages 2 can be easily and surely recognized by the user of the lighting fixture 1. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p>
申请公布号 JP2006236636(A) 申请公布日期 2006.09.07
申请号 JP20050046402 申请日期 2005.02.23
申请人 MATSUSHITA ELECTRIC WORKS LTD 发明人 KOBAYASHI MASAKI;OKAMOTO FUTOSHI;MAEHARA MINORU;WATANABE KATSUMI;SAKAI KAZUHIKO
分类号 H05B37/02;H01L33/00 主分类号 H05B37/02
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