XPost: sci.engr.lighting   
   From: andrew@cucumber.demon.co.uk   
      
   In article ,   
   	gfretwell@aol.com writes:   
   > You can buy LED lamps that will change color to anything you can   
   > imagine. Why don't they make a dimmable LED that tracks the color of a   
   > dimming incandescent?   
   > I could see them starting by taking down the blue and then the green   
   > so it would go through yellow to orange and then dim from there to   
   > off.   
      
   Someone does make LEDs that dim like incandescents.   
   Sorry, I can't recall the name, but they appear at lighting   
   shows. They are not retrofit lamps, but whole fittings.   
   I would guess they're patented and expensive, but I haven't   
   seen the pricing.   
      
   Cross-posted sci.engr.lighting - someone there might recall   
   the manufacturer.   
      
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   Andrew Gabriel   
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