Wow
I just added, "if white"
Rex 

Sent by me on my iPhone. 


On 15 Aug 2011, at 22:11, "Rex Waygood" <[log in to unmask]> wrote:

> I don't understand why the substrate colour has any significant consequence for the optical performance. 
> All the SMT power LEDs I've seen have well defined cones of light that project forward. 
> Further more those that we've worked with are so bright that looking at them whilst lit is inadvisable. 
> So the only thing would be to say they will look prettier when turned off. 
> :-)
> Rex
> 
> 
> Sent by me on my iPhone. 
> 
> 
> On 15 Aug 2011, at 13:06, "Juliano Ribeiro" <[log in to unmask]> wrote:
> 
>> Technetters,
>> 
>> We need design the PCB to LED LAMP and we verified that PCBs are white. 
>> What the benefits of the White PCB for this application?
>> What attention in the process to white pcb? 
>> Is cost higher than green pcb?
>> 
>> Thank you
>> 
>> Juliano Ribeiro
>> 
>> 
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