Quote Originally Posted by bigsby
Yeah, and? Would you please enlighten by downloading some of your wisdom as to how / why this is wrong? It is well and good to engage in debate on issues of substance but simply stating something is wrong does not make it so. You need to back up your words with something more than "anyone can do a mistake."
Please notice my message was directed to other person that says works on LED research and did an statement soooo wrong about something esential that I wont waste my time dispelling it if its not necessary.

I can understand you dont know how efficients are LEDs converting input energy into light. You dont need to know it. You dont need to be aware of the thermal load and design the best way to take it away.

But any person working on that field does. I do.

If the stament was "LEDs converts 50-60% of input energy as light and the remaining 40-50% is released as heat" probably I wouldnt chimed in. Not correct, but it would be possible as a little exageration, or a mistake of somebody talking from memory. Its not the case.

90% energy efficiency is so far in the future that giving arguments about it is unnecessary, at least for anybody that simply had read a little about the topic. You, obviously, had not. And somebody that simply doubts it knows so little about LEDs that probably will refuse any argument I may give, because havent got any knowledge to diferenciate between what is possible and what not.

Anyway, if you think that LEDs are 95% efficient as khyberkitsune said (as 90% system efficiency includes ballast (driver, PS) losses), show me what white LEDs emits 350lm/W. Better yet, show me one that gives half of it.

Or you just can go to any LED datasheet that states output in radiometric units and check it for yourself. Anyway, you wont believe what I say. Posting actual information about the topic for years is nothing, I know
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