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To: Guy Gordon who wrote (1978)2/10/2000 1:16:00 PM
From: mauser96  Read Replies (2) | Respond to of 10713
 
Sorry Guy, I believe you may be incorrect. Not all the light goes out laterally in an LED, or perhaps there is some scattering effect. My source for this information is Rensselaer Polytechnic Institute.
lrc.rpi.edu
see page 6. The example here is a sapphire substrate blue LED.
Quote "transparent substrates ... increase the extraction efficiency"
Your turn to quote a source if you disagree. I'm not interested in playing games, just trying to find out the facts, and looking for any competitive advantages Cree might have.