LED燈膽和慳電膽有分別嗎?哪一樣的光較舒服?
By may chan (graduate) on 2010-01-07 Answers 5 Views 304
By calee on 2010-04-29
其實一直用的烏絲燈同慳電膽, 在能源上都解決唔到一個問題: 就是能源用了來發光之外, 還在發熱!! 而我們用燈其實不需要熱的功能! 所以能源就浪費了!
而LED的出現, 就是突破了這問題, 他減低了發熱的情況, 只將能源用作發光! 咁就又環保, 又慳了錢!!
By cacafu (graduate) on 2010-08-12
led貴地,壽命會同4-5個節電膽一樣。省電地
By wushukhan (graduate) on 2010-05-01
LED 燈貴,耐用,低熱.......兩者光度都 OK
By Goovy (graduate) on 2010-02-12
LED燈膽比慳電膽慳電,但價錢較貴,光度其實大家差唔多,唔會有太大分別囉
By wing cheng (graduate) on 2010-02-10
LED燈同慳電膽係兩樣野,耗電量都有分別~~~