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 本帖最后由 ruf 于 2009-10-16 14:09 编辑  
 
看到CREE有彩色MCE,四个核分别是 红绿蓝白,独立施加不同电流的话,就可以实现任意色彩了! 
 
http://www.cree.com/products/xlamp_new_colors.asp 
 
he first of its kind in the industry, XLamp MC-Ecolor is a unique package design, combining white, red, green, and blueLED chips in a single component. XLamp MC-E can allow better colormixing and shadow reduction in color-based applications, with spacebetween LED die reduced by 94%, compared to XLamp XR color LEDs.                       
 | Color  | Max. Current (mA)  | Dominant Wavelength (nm)  | CCT  | Min. Flux @ 350 mA  |  XLamp 
                          MC-E 
                          Color  | Blue  | 700  | 450-465   |  
 | 8.2 lm  |  Green  | 700  | 520-535   |  
 | 67.2 lm  |  Red  | 700  | 620-630   |  
 | 30.6 lm  |  Cool White  | 700  |  
 | 5700K – 7000K  | 95 lm  |  ---  |  Blue  | 700  | 450-465  |  
 | 8.2 lm  |  Green  | 700  | 520-535  |  
 | 67.2 lm  |  Red  | 700  | 620-630  |  
 | 30.6 lm  |  Neutral White  | 700  |  
 | 3700K – 4300K  | 80 lm  |  
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