Forecast for LED lighting is bright

[wpsedgwick]

Source: Examiner

By 2020, nearly half (46 percent) of the $4.4 billion commercial lighting business will be given over to LED lighting, according to a Pike Research report released Wednesday.

Lighting accounts for about 17.5 percent of global electricity use and, within the United States, the majority of lighting energy is consumed in commercial buildings.

Read more: http://www.examiner.com/x-42287-Chicago-Green-Technology-Examiner~y2010m5d13-Forecast-for-LED-lighting-is-bright

[liberal N proud]

1. Cool

[CountAllVotes]

2. LED lights are great!

I bit the bullet and purchased a set of them for the house. Two of them are in the range hood for my stove and they are left on all night to have light on in the house. I've had these for several years now and they have not needed to be replaced. :thumbsup:

I really like them a lot and yes, they do save money - not a lot but some. Not running two 40 watt bulbs for 12 hrs. a day does save quite a bit - perhaps a couple of $ a month.

I hope they drop drastically in cost as I paid almost $100 for 4 of these LED lights - one of them is large for the garage, one is small and is a night light and the other two are the ones I mention above in the range hood cover.

:kick:

[Warpy]

3. Mine are restricted to head lamps right now

and those head lamps are one of those things you didn't realize you needed until you got one. They're wonderful for rummaging in closets and cabinets and fixing the puter, as well as doing anything outdoors after dark.

The only problem I have with them is that they cast a very blue light, not great when I'm trying to sort colors in a closet.

[OnyxCollie]

7. I'm afraid those head lamps would act

as a bug attractor.

[Warpy]

8. I live in the desert

and I haven't had a problem with moths.

That's the only flying bug we have to contend with at night.

That's one of the main reasons I live here.

[harmonicon]

4. sensible electricity usage would do far more than changing lightbulbs

It amazes me when I drive down the main commercial street in my home town at night. An incredible number of closed businesses have massive lit up signs even when they're closed. Something should be done to stop it, but the Supreme Court would probably rule that electricity usage is speech.

[rfranklin]

5. It's advertising...

which actually is free speech.

[harmonicon]

6. it's also a waste of resources which is destroying the planet

Some places have water usage limits. Could/should they be allowed to have signs including water features to skirt the regulations? I don't think so. Same goes for electricity. As for it being advertising, all it advertises to me is that those are businesses I'd rather not give any of my money to.

[abqmufc]

11. well said

[D-Lee]

13. Hey, you forgot the sarcasm sign!

I think the prior poster was talking about interior lights, not signage ...

[Javaman]

17. true, but it's not any less speech if it's not illuminated. nt

[KurtNYC]

16. new laws are mandating occupancy sensors and high efficiency

lighting. Incandescent bulbs are being banned in countries around the globe.

[NYC_SKP]

9. I own and use several. The most powerful is 5000 lumens at 48 watts.

With an estimated 50,000 to 100,000 life span.

The latest units haven't even been around long enough to prove the life span estimates; 50,000 hours would be take 2,083 days running nonstop.

Check it out, 5,000 lumens:



:hi:

[abqmufc]

10. 10 years for only 46%? Not good enough

So the answer to the question "how many years does it take to only shift 46% of a market?" is 10 years? And we are going to applaud this as good? PLEASE. This is nothing more than yet again dragging our feet. Nice try...too little...too late.

[truedelphi]

12. Did you catch the video from 1906 of San Francisco

City Streets? There were trolley cars all over the place. (Posted here on DU earlier today.)

<sigh> The only reason we have to concern ourselves with such deplorable environmental costs and pollution from despicable and antiquated technologies is that our major corpoRATtions have been forcing us to drag our feet. Imagine if the trillions given to the DOD and Halliburton for our failure of a war in Iraq had instead been offered up to switch us to better ways of powering and lighting our homes and businesses?

But you know that.

[Tesha]

14. Why are you surprised? A huge part of the market is already CFL, FL, metal halide, or sodium, and...

...those light sources are as efficient or more efficient than
LED lighting.

It's largely in the home that we still use ordinary (non-halogen)
incandescent lighting; that's what's got to go.

Even halogen is likely to take a big step up in efficiency as
infrared-reflecting coatings are applied to the quartz capsules.

LED lighting is nice, but it's no panacea. And until its Color-
Rendering Index improves *A LOT*, it won't displace much
more of the market for lamps of other technologies. Quantum
dot phosphors atop UV LEDs may help, as may true RGB emitters,
but the current crop of blue diodes with yellow scintillators will
never really pass muster.

Tesha

[Xithras]

15. Was looking at some LED floods at a store last weekend.

I mentioned, in another discussion a few weeks ago, that I'd had to convert my kitchen (with 8 recessed lights on 3-way dimmers) back to incandescent after my $12 per bulb Philips dimmable CFL floods had nearly all failed after only about a year. Someone advised me to look into LED floods.

$52 per bulb :wow: