Author Topic: Colored CFL Lamps  (Read 2615 times)
bulb_tester2009
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Re: Colored CFL Lamps « Reply #15 on: October 10, 2022, 01:20:00 AM » Author: bulb_tester2009
But I only bought a green CFL with white tube.
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由于我来自中国,所以英语不精通,大部分内容都是翻译的,所以可能不通顺,请大家谅解
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Re: Colored CFL Lamps « Reply #16 on: October 14, 2022, 06:26:23 PM » Author: James
I'm more into traffic signals, but my light bulb collecting tends to run towards quirky modern stuff, among the things I have are a complete set of the dichro-color floods, a lot of weird early LED retrofits, A NOS GE Halarc, and some low pressure sodium stuff. I do have a complete set of the FEIT colored CFL (although not every packaging variation), think there's a photo on my gallery someplace.

You would like the bi-annual Light Sources Technology conference, when the world's lamp engineers come together to share ideas and latest discoveries.  Some years ago when it was held in Eindhoven that event introduced a green-amber-red traffic light system to let speakers know if the end of the timeslot to present their lecture was close to ending, or even over-run.  Of course, it was an LED traffic light.  Which was not inappropriate because the conference began with presentations on LED technology.  On the second or third day when Discharge lamp technologies came on the agenda, one smart guy from Philips ran down to the stage during the break and changed the LEDs to coloured spiral CFL lamps which caused great amusement and was well appreciated by all the traditional lamp engineers :-)

The first coloured fluorescent lamps were indeed comercialised by GE-Mazda in USA.  In fact the colours were launched before white types - the original application of fluorescent lamps was nothing more than to provide brighter and more saturated-colour alternatives to Lumiline coloured incandescent linear lamps.  I believe the first serious effort to market coloured CFL lamps came from Osram which introduced Dulux S 9W and 7W lamps in red, yellow, green and blue colours around 1982-83.  The yellow was quickly dropped because it was basically same as the warm white type.  Tungsram was swift to launch its own equivalents of those, and Tesla and Narva also developed them but those are very rare.  Next Thorn launched its 2D 16W in a selection of seven colours of red, peach, lemon, green, blue, lilac and magenta.  The only CFLi colours I am aware of are the Narvatronic spiral lamps which were launched in 1995 in a range of red, yellow, green and blue.  Those are not too difficult to find, but they made so many different versions and wattages that still after many years I did not manage to find the set of colours in the same type!  Of course, the Chinese manufacturers then copied these and they seem to have been well promoted in Americas.  During one of my early visits to China I remember the factory of Zhejiang Yankon was the primary manufacturer of these types, above all exporting to Feit and GE in USA.  They also had Blacklight, Blacklight-Blue and Germicidal UV-C types.
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arcblue
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Re: Colored CFL Lamps « Reply #17 on: October 14, 2022, 10:01:46 PM » Author: arcblue
I love coloured lamps that use either metal additives (metal halide), phosphors (fluorescent), coloured emitters (LED) or dichroic reflectors (incandescent). Unfortunately I don't have any of the dichro lamps, yet. I've never been much of a fan of using lamps that simply use coloured glass. I'm not sure if there was ever a set of CFLs made where the colours are made using phosphors only. I've seen some green, blue and pink ones, though very rarely, but never the other colours. The greens are crazy bright!
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Econolite03
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Re: Colored CFL Lamps « Reply #18 on: October 15, 2022, 04:03:16 AM » Author: Econolite03
I posted some more colored CFL related stuff in my gallery, in addition I have more on the way. Kinda feel ripped off by Amazon but so far I like what I got.
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Rommie
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Re: Colored CFL Lamps « Reply #19 on: October 15, 2022, 05:57:15 AM » Author: Rommie
I refuse to use Amazon, their data mining practices scare the hell out of me. From what I've heard, they don't treat their workers all that well, either  :-\
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Econolite03
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Re: Colored CFL Lamps « Reply #20 on: October 15, 2022, 09:24:02 AM » Author: Econolite03
Their questionable electrical products horrify me as a someone in the trade, I only buy receptacles and such at home improvement centers.
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Re: Colored CFL Lamps « Reply #21 on: October 15, 2022, 04:40:03 PM » Author: joseph_125
For the most part I avoid using Amazon now unless they have either something I'm looking for that I can't find elsewhere or unless if they're significantly cheaper.

Most of their electrical/lighting offerings aren't that good anyway compared to name brand products. Also am not a fan of their labour practices.
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Econolite03
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Re: Colored CFL Lamps « Reply #22 on: October 15, 2022, 06:05:24 PM » Author: Econolite03
I’ve heard stories of Amazon-knockoff brand GFCIs being installed then overheating in the wall box, which almost lead to a electrical fire.

Thankfully, most my colored CFLs appear to be made by Feit and branded under various names. So I guess there’s some peace of mind.
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James
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Re: Colored CFL Lamps « Reply #23 on: October 16, 2022, 03:00:13 AM » Author: James
FYI Feit doesn’t actually make anything - they go shopping in China and buy from the same suppliers as other brands. But they do a good job of sourcing and generally buy from rather better quality suppliers than most smaller brands.
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High Intensity
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Re: Colored CFL Lamps « Reply #24 on: October 16, 2022, 03:28:45 AM » Author: High Intensity
I will point out that Feit Electric's current production self-ballasted CFLs come from Thailand now, but the designs appear to be 1-1 with their older, Chinese counterparts. They also discontinued a bunch of CFL products at the same time as the production move.

The reason I mention this is because this seems to imply (to me at least) that they have more control over the manufacturing than it seems like they would if they were simply buying them from a 3rd party, like a joint venture like GE had with Xiamen TopStar, which seemed to give them some control over the products they made. But I guess I could be wrong.
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Econolite03
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Re: Colored CFL Lamps « Reply #25 on: October 16, 2022, 04:17:54 AM » Author: Econolite03
Hmm, kinda makes sense.
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