http://japanese.engadget.com/2009/02/04/60-led/ Engadget Japanese Comments for 一生にひとつ、寿命60年の長持ちLED照明 http://japanese.engadget.com/media/feedlogo.gif http://japanese.engadget.com en-us Copyright 2012 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://japanese.engadget.com/2009/02/04/60-led/http://japanese.engadget.com/2009/02/04/60-led/まともに部屋照らすなら1000個くらい必要？

GaNは窒化ガリウムで、ガリウム砒素はGaAs。]]>Feb 4th 2009 11:41PMhttp://japanese.engadget.com/2009/02/04/60-led/http://japanese.engadget.com/2009/02/04/60-led/Feb 5th 2009 4:10AMhttp://japanese.engadget.com/2009/02/04/60-led/http://japanese.engadget.com/2009/02/04/60-led/Feb 5th 2009 8:45AM