Re: LED Color Deterioration In Some Streetlights « Reply #3 on: March 20, 2018, 06:29:25 AM » Author: dor123
I've seen here LED lanterns with a greenish color similar to mercury lamps, but I think that they were such to begin with: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-127610
		Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

	Re: LED Color Deterioration In Some Streetlights « Reply #5 on: March 26, 2018, 10:30:18 PM » Author: dor123
Here are another LED fixtures that are greened out to begin with: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-144366
		Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

	Re: LED Color Deterioration In Some Streetlights « Reply #6 on: March 26, 2018, 11:34:23 PM » Author: lightinglover8902
I seen that too, by a near by Shell gas station. I think its the heat that deteriorates the phosphors.
		Logged

Save the Cooper OVWs!! Don't them down by crap LED fixtures!!!

	Re: LED Color Deterioration In Some Streetlights « Reply #7 on: March 30, 2018, 06:53:25 PM » Author: BT25
Quote from: High Intensity on March 19, 2018, 02:48:54 AM I'm starting to notice some LED streetlights in my area are going from a bright white (about 4000k or so) to a greenish white (about the same color as  a clear MV lamp, if not, worse) and i'm wondering why. My only guess as of yet is phosphors deteriorating in some of the LEDs. Also, this does not appear to be happening in all of the LED streetlights i've seen, for example the Leotek LED streetlights around were i live are still put off the same color light as they did 2 or 3 years ago. From what I've heard, the problem is that the phosphor separates from the blue LED and will give off a funky color. Some become blue while others become yellow. (There's some BetaLED cobra-heads near me that were installed in 2009 doing this.)
		Logged

First known case of Westinghouse Lifeguard Disease!
If you can say yes to any of the following, you may have it too:
Can't resist buying more even if you already have an example in your collection?
Bank account/CC statement shows unnecessary spending?