Costco的台達LED 10.5W燈泡售價直直落 - 大賣場
By Xanthe
at 2012-06-27T17:47
at 2012-06-27T17:47
Table of Contents
之前看人家的文章,
其實白光LED大概可以分成兩種混色方式,
一個是藍光晶片加上黃色螢光粉混出白光,演色性差
一個是用三原色(紅、綠、藍)真正混出白光,演色性高
演色性差,代表你燈下看到的顏色會不真實
可是大多數台灣廠家都是用第一種,因為成本低。
大賣場那種低價LED,會不會就是黃色螢光粉做的呢?
光憑外殼似乎根本看不出來,有人知道如何分辨嗎?
--
其實白光LED大概可以分成兩種混色方式,
一個是藍光晶片加上黃色螢光粉混出白光,演色性差
一個是用三原色(紅、綠、藍)真正混出白光,演色性高
演色性差,代表你燈下看到的顏色會不真實
可是大多數台灣廠家都是用第一種,因為成本低。
大賣場那種低價LED,會不會就是黃色螢光粉做的呢?
光憑外殼似乎根本看不出來,有人知道如何分辨嗎?
--
All Comments
By Hedwig
at 2012-07-01T19:06
at 2012-07-01T19:06
By Jacob
at 2012-07-04T22:43
at 2012-07-04T22:43
By Joe
at 2012-07-07T01:38
at 2012-07-07T01:38
By Poppy
at 2012-07-07T22:10
at 2012-07-07T22:10
By Kumar
at 2012-07-10T11:22
at 2012-07-10T11:22
By Tom
at 2012-07-11T05:06
at 2012-07-11T05:06
By Cara
at 2012-07-15T05:46
at 2012-07-15T05:46
By Queena
at 2012-07-17T22:53
at 2012-07-17T22:53
By Noah
at 2012-07-21T02:31
at 2012-07-21T02:31
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