Energy saving bulbs...? LED...? :lol: :lol: :lol:

[Skybird]

http://www.ceravision.com/

technology:
http://www.ceravision.com/technology.php

benefits:
http://www.ceravision.com/benefits.php

Sounds like an even better solution than LED to me. I will never like energy saving bulbs as we know them. I hate their bad colour perfomance. LED could be acceptable for certain intense colours - but colour tuning seems to be a problem for LED engineering until today. they are nowhere near to produce warm-white LED light that is as warm and feels as comfortable as the usual ordinary light bulb. At least I have not seen anything like that in all the years untiol today. As a pure function light, LED can be amazingly bright already - brighter than a normal light bulb (using it on bike's forward light and in an super-bright torchlight, both with just 1 LED). but for domestic purposes, the Scots seem to offer a good solution. Would like to see their domestic light bulbs in real.

[kranz]

I have a question, sir-Was Jimbuna your spam instructor??:har:

and btw: do you demand discussion in all three threads or only two?

[Zachstar]

I have a question, sir-Was Jimbuna your spam instructor??:har:

and btw: do you demand discussion in all three threads or only two?

Unneeded and very silly of you.

I have not heard of this before. While it looks too expensive for things outside of industrial and auto. It is worth the look.

[Skybird]

I have a question, sir-Was Jimbuna your spam instructor??:har:

and btw: do you demand discussion in all three threads or only two?

Unneeded and very silly of you.

I have not heard of this before. While it looks too expensive for things outside of industrial and auto. It is worth the look.
the idea of induction light, that's how it was called on another site, does not seem to be so new, they wrote. Once in mass production, it will become cheaper. And energy saving bulbs are not cheap to get either - just that these new things live even longer, and need even lesser energy, and seem to be able to give better colours of your choice. I can imagine that this turns out to be a win for the Scots, although it may take some time and intensive marketing.

[kranz]

Unneeded and very silly of you.

I have not heard of this before. While it looks too expensive for things outside of industrial and auto. It is worth the look.

What I meant was...w/e
But good that you didn't make a new account to tell me this

[SteamWake]

I work in this industry and as of right now LED lighting is making amazing advances in just the last 3 or 4 years.

There are now parking lot lights that produce as much light as a 175 watt metal halide bulb for around 40 watts. Not only that the LED's are rated to last around 10 maybe 20 years. Average life of a MH is about 4 years. Furthermore the MH lamp looses nearly 60 percent of its rated output in the first couple of hundred hours. The led's lose about 8% over their lifetime.

As to 'color' it is mostly a matter of perception. LED's can (these days) produce some of the whitest light out there. People feel comfortable with the incandescent light with its shift to the red end of the spectrum. It makes your skin look better and veils flaws. LED's white/blue end of the spectrum makes those flaws stand out just like sunlight does. Furthermore people have become accustomed to 'warm' spectrum bulbs.

If you have a fluroescent lamp in your kitchen and want to try an experiment go out and buy some high CRI (color rendering index) 5,000K lamps and put them in. You will think to yourself "My gawd I dident realize this kitchen was this dirty" and it will also seem alot brighter... and I mean alot for the same wattage. Be warned though these lamps cost as much as three times the average warm white fluorescent lamp.

Not a week goes by when a factory rep. doesent frequent my office to showcase the latest LED lighting products. It truely is amazing how much has been done in the last few years.

Now there is a down side as with all these sorts of things. The base element Gallenium Arsinide (sp?) is already becomming hard to get and as you can tell from the name it is closely related to arsinic, a toxic poision. Now your not going to get poisened from a led lamp unless you crack it open (no easy task) and eat it. But when you start to get millions of them out there it could become a problem as to what to do with them when they do fail or just get thrown out. They are still a far sight better than the compact fluroescents and other HID type lamps which can release mercury or worse mercury vapor when broken.

Anyhow if you have any questions about LED lighting or just lighting in general feel free to ask. My consulting fees will be waved (for now) :rotfl:

Oh forgot to add that the lighting systems mentioned in the original post is not really new and has been around for several years under the name of RF excitation lighting. They have some serious problems for one they emit radiation in the RF spectrum which 'could' be a cancer generating source, also there inital cost is astronomical. Ill look for some links on the subject.

http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=999612

http://ecmweb.com/mag/electric_rf_lighting_tunes/

http://www.arrl.org/tis/info/rflamp.html





pps; You might want to delete the duplicate posts... makes you look like a noob ;)

[Skybird]

The whiter-than-white LED light I know, but this super-white stuff exaclty is the problem in a domestic environment, for most people DO NOT want that. It also probably is mlinekd to our biology. Around and after sunset, we do not expect to see daylight as during noon time anymore, but a light that hasd shifted to the red. Thus we feel comfortable with that. Full-specturm Daylight lamps we have since long, and they are nice in treating depression in areas with low ammounts of daylight, and in offices where you need to work all day. But around evening and at nighttime, this kind of light is unwelcomed. Keep in mind that light qulaity also influences the biochemistry of our body and brain over the course of a day. Expect a physiological feedback if you constantly feed your body with "daylight" even at nighttime.

Not to mention the growing evidence that the light pollution of settlememant wioth high population density, that turn the night into day, can influence whole surrounding ecosystems and animal life, and lead them offtrack.

I'm a great fan of real_white, super bright LED lamps, but only for special functions and in certain places - not in the pri9vate, domestic living environment where I feel at home, want to read a book, relax. Total shine is not "gemütlich", nor is white light. After all, nobody of us can resist the inviting charm of candle light, or the perspective of sitting at a burning campfire or an open chimney. That is real light quality - maybe not in brightness, but in quality indeed.

A German paper described the new bulbs to consume up to 55% less energy than energy saving bulbs of comparable brightness, and having a longevity of up to 50.000 hours, compared to maximum 10.000 for ESBs (and many people doubt that value by bad expoeriences of their own).

Also, the light colour is easier to change according to consumer's wishes, while ESBs for technical reasons cannot reproduce those frequencies well that are transporting the colour red (that'S why they look so awfully greenish-sulfur-yellow even when being labelled as "warm-white" - what they never are). If somebody tells you he cannot see a difference, send him to an eye doctor, because he then sees a phantom: an ammount of red that these ESBs do not contain in their shine.

Thanks for the hint on radiation, though, that was something I was wondering about and wanted to ask, too.

[Skybird]

I tried to delete, but there was no button anymore. The board totally blocked when I posted, and so I hit the post-button twice after one or two minutes had passed and nothing happened. From time to time this happens - only here. Maybe high traffic. but today it happens since hours.

[SteamWake]

I tried to delete, but there was no button anymore. The board totally blocked when I posted, and so I hit the post-button twice after one or two minutes had passed and nothing happened. From time to time this happens - only here. Maybe high traffic. but today it happens since hours.

Its there, I just did it the other night.

Open the offending post using the edit command, there is a delete button, there is a confirm radio button. Say yes and click POOF its gone.

[Zachstar]

I have a few questions about LEDs do you mind if I start a topic about it?