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What LED colour is in fashion right now?
What LED colour is in fashion right now?
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Old Today, 08:04 AM   #51
awkwardbydesign is offline awkwardbydesign  England
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Join Date: Dec 2005
Location: Plymouth
Originally Posted by Pano View Post
Orange or white.

Years ago I bought a lot of purple LEDs that slowly turned pink. I called it the "Burn-in Indicator."
Purple or pink are my choices. A cheap source of pink LEDs is a Christmas light string, 20 or 40 for next to nothing, all with longish wiring tails. I just snip another one off every now and then. Pink up-lighting on my amps is my latest lockdown time waster. A 100k 21 turn trimmer as a voltage divider lets me set them all at a similar level.
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Old Today, 10:42 AM   #52
Mark Tillotson is online now Mark Tillotson
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Join Date: May 2018
Location: Cambridge UK
If you think about it a light source only has hue and saturation as the brightness depends on distance and lenses etc, whereas a pigment has hue, saturation and lightness, so the colours we use to describe objects are a superset of those that describe light sources.

For instance lights are never brown, as that's just dark orange, and I've never been convinced that indigo is a colour of the rainbow, its not a synonym for blue/violet its simply dark blue. Thus the rarest LEDs are brown, beige and indigo. And kharki also
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Old Today, 04:39 PM   #53
russc is offline russc  England
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Join Date: Mar 2011
Location: W Yorkshire
The fading purple LEDs must have a fluorescent coating (as do white LEDs).
An LED produces a specific wavelength of light.
Some difficult to produce LED colours use a UV LED and a fluorescent coating.
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Old Today, 04:54 PM   #54
Pano is online now Pano  United States
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Join Date: Oct 2004
Location: SW Florida
What LED colour is in fashion right now?
Yes, fading phosphor is likely the cause. I haven't bought any purple or pink in years, do they still fade? I was about to buy some C7 size LED pink Christmas lights for another project. Don't know if they'll last.
Take the Speaker Voltage Test!
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