Comments on: Lemnis Lighting's LED Bulb: It Dims But Costs $40

By: Fiona Xu

Fiona Xu — Fri, 30 Jul 2010 07:13:42 +0000

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By: John

John — Thu, 13 May 2010 00:05:49 +0000

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By: John

John — Wed, 12 May 2010 23:59:11 +0000

Established in 2000, we, Shiny Lighting Co., Ltd, are a professional manufacturer of LED Products, such as decorative LED strip, LED bulbs, LED tubes , automotive LED lamps, LED flashlight, etc.

Website: http://www.shiny-lighting.com
Email: info@shiny-lighting.com
MSN: info@shiny-lighting.com Skype: shiny-lighting
Tel:86-769-23819783 Fax:86-769-23819784, 89026174

By: 5 LED Bulbs You Can (Soon) Buy to Replace Incandescents

5 LED Bulbs You Can (Soon) Buy to Replace Incandescents — Fri, 16 Apr 2010 16:00:57 +0000

[...] currently sells its bulb for between $40 and $50 and launched a dimmable version in October that lasts for 36,000 hours (or 25 years at 4 hours per day), is 90 percent more [...]

By: An LED Powerhouse To Watch: Lemnis Lighting

An LED Powerhouse To Watch: Lemnis Lighting — Wed, 14 Apr 2010 16:17:20 +0000

[...] LED bulb could last up to six times longer than a typical compact fluorescent bulb. Lemnis even introduced a dimmable version in [...]

By: Cheatsheet: The Metrics of the Bulb

Cheatsheet: The Metrics of the Bulb — Thu, 08 Apr 2010 17:58:03 +0000

[...] onto the market. This morning GE announced its latest bulb, and late last year Netherlands-based Lemnis Lighting announced its LED bulb that can replace a 60-watt incandescent. But the rub — both of these LED bulbs cost around [...]

By: Tommy Rowlett

Tommy Rowlett — Mon, 02 Nov 2009 21:02:01 +0000

The current crop of "60 watt replacement" LED bulbs do not give out the same amount of light as a 60 watt bulb. Far from it. Depending on who you ask a 60 watt bulb puts out 800 to 1500 lumens. The bulb in this article puts out 330 lumens. That's 1/3 to 1/5 as much light. I'm not going to be comfortable slicing things in the kitchen using 1/3 the light I need. So I'd have to install another 8 cans in the kitchen to get equal the amount of light.

At triple the stated cost and triple the energy to 18 watts that pushes the payback for me from the 51st month out to the 192nd month. That's almost 16 years! And that doesn't include the cost of having someone out to install the 8 additional cans.

It just doesn't add up.

The cost has to come way down. Maybe at 1/3 their current price they'd be worth it.

By: Bob Wallace

Bob Wallace — Mon, 05 Oct 2009 16:03:15 +0000

Quality of CFLs differs across manufacturers. There are some inferior products on the market which do have lower life spans. Testing of major brand CFLs confirms long life spans.

I've been using CFLs for 15+ years and have yet have one burn out. Just a warning, if you contain them in a fixture where they are unable to shed heat their life probably will be shortened.

If, for example, you are sticking them in a ceiling can with a front lens you are likely cooking your CFLs to death.

As for dimming, perhaps that's a big issue for a few people, but I suspect it might be a red herring. I deal with dimming by just turning off a light or two.

LEDs someday. When their price justifies. I have to say that I am totally sold on LED flashlights. I use my LED flashlight every day, change batteries about once a year, and the bulb doesn't break when the flashlight gets dropped.

Right now LEDs make major sense in places where changing the bulb is expensive (traffic lights, some commercial applications, but for home use if you buy bulbs that last for years and years and it takes only a couple of minutes to screw a new bulb into your table lamp....

By: Jim

Jim — Mon, 05 Oct 2009 14:15:20 +0000

It's not hard to dim LEDs. The main problem (other than the cost) is the form-factor, as LEDs are quite directional but we are used to omni-glowing bulbs. Life would also be easier (and cheaper) for LEDs if we had DC wired in our homes.

I'd normally agree that LEDs can't compete with CFLs price-wise, but I've NEVER had a CFL actually last the 8,000-10,000 hours that they are supposed to. They seem to burn out nearly as fast as the incandescents. What a rip-off! LEDs routinely last 50,000-100,000 hours.

By: Bob Wallace

Bob Wallace — Sat, 03 Oct 2009 17:15:35 +0000

It's going to depend on the numbers you use.

If I use what I would pay ($0.50 for a CFL, 10,000 hours bulb life, four hours per day, CA electricity price of $0.1523 per kWh) the LED never comes out better. And as far as I can tell the calculator doesn't include the cost of spending the $40 up front.

If you live in Alaska, and pay $5 for the bulb, pay $0.1751 kWh, and average 12 hours of use a day then the LED moves ahead after 65 months.