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Blipstir | 10/13/23 10:24 PM |
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Kryptos | 10/15/23 12:09 AM |
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koraks | 10/15/23 01:05 PM |
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Kryptos | 10/15/23 01:47 PM |
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Reged: 06/02/03 Posts: 26667 |
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Quote: I see what I mean, but I think the issue here is that Watts are used inconsistently, and deliberately so. They're used as a way to express electrical power supplied to and dissipated by the LED or the incandescent bulb, and at the same time as a (very gross) approximation of the luminous flux emitted by the LED source. Since Watt is basically a unit that expresses an amount of energy per unit of time, it's a really flexible measure to use - but that also makes interpretations specific to contextual factors. Especially for consumers, this makes the whole thing kind of convoluted and confusing. Sadly, there's no good solution to it! Quote: Yeah, in principle at least. Although LEDs aren't quite that efficient. For most high power LEDs, the efficiency is maybe 50% or so AFAIK; the rest is still dissipated as heat in the semiconductor junction itself. Quote: Sure; this discussion is not so much about disagreement but more about elaborating a couple of key points.
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