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LED Bulb Looks Like Filament Bulb

Panasonic has introduced a LED bulb that replicates the appearance of a clear, filament-style bulb. It uses a standard socket base, and it's yet one more step along the line of levitra pharmacy in india a light that closely resembles a standard incandescent bulb, but with much higher efficiency.

The LDAHV4L27CG bulb has the output equivalent of a 20-watt incandescent, but uses only 4.4 watts. It has a color rendering index (CRI) of 80 and a color temperature of 2700 K (similar to a soft warm light bulb). And its lifespan is long, as with other LED bulbs, with a rated life of over 40,000 hours. It has a light angle of 300 degrees, so it has a coverage area similar to an incandescent.

via: Architect Magazine and Gizmodo

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Comments (10)Add Comment
Looking forward to generic sample viagra these lights being available
written by Yonofoco, November 22, 2011
We are looking forward to these lights being available to our solar landscape lighting store through our suppliers.
Why do they have to look like filament-style bulbs?
written by Michael Dee, November 23, 2011
I know as humans we are all creatures of habit, and I suppose that is ordering viagra online why manufacturers seem to try to make the new technology look like the old. The assumption is that the masses will feel comfortable with it and more quickly adopt the technology sooner I suppose. I just don't get it though.

I understand we need to have the standard base so that the world doesn't have to rewire their house. That of course makes sense. But the basic look of the bulb having to be what Edison first envisioned decades ago just don't compute.

Folks it's a whole new world. There are new inventions which are improvements to 100 mg viagra existing things all the time. I would even guess that the best of these are when inventors don't limit themselves by having to be similar to the old version. That's why its called an invention. It is something new!

Don't get me wrong I'm all for anything that gets more people to be energy efficient I just with the best price for generic viagra masses would look past the aesthetics and look more at the function. We need to get past the whole, "This bulb gives off more light and uses a tenth of the electricity, but it's all squiggly looking so I would never use it!"
energy saving is the whole idea
written by Lighting EVER, November 23, 2011
As an LED light bulb,any form will be welcome if it takes full use of the advantages of LED .After all energy saving is the whole idea of LED technology but not good looks .
LED output
written by chris, November 23, 2011
This bulb sounds good. Fitting standard base is a good idea.

But 20w!!!? That is useless. We need 60w or 100w!! Again another dim LED that people will see as not equivalent to what has been in their house.
Light Bulb Shape
written by Carol S., November 25, 2011
I rather like the squiggly bulbs. I also have a lamp beside my bed that is about 75 years old, with 2 long thin incandescent bulbs in it, that lay horizontally under the brass shade. I'd like to see this bulb shape in a vertical format, as they would cast more light out to the sides, where it is needed, instead of up. The ceiling of a room does not really need to be lit so you can read a book or do sewing by hand...
You wonder why?
written by Kami, November 27, 2011
There are plenty of LED bulbs that don't look like a typical incandescent. The point of this one is that there are applications where the aesthetic is more important than the quantity of light. Porch light fixtures where the exposed (clear) bulb is taken into consideration as part of the fixture, for example. 20w is plenty for those. You're not trying to dazzle visitors.
written by Gary , December 14, 2011
For these size bulbs, I agree the "filament" look does not buy you anything. But, for decorative bulbs, you would put in a chandelier if you had one OR if you were a restaraunt, hotel, banquet hall, convention center with a motif that uses hundreds of these decorative bulbs - - then emulating the aesthetic of incandescent is a transitional design feature for many 10 - 20 years or so...and the benefit of the overall LED technology. That said, is there a true optical filament able to 'spray' light out of it efficiently? Not yet, but there will be soon.
written by electronics recycling, February 07, 2012
good, but there should be versions that match output of higher watt bulbs - ie 40, 60, 80 and 200 watt equivalents.
written by GLV, August 02, 2012
Those of us curating historic homes and other buildings are excited these bulbs are being developed in traditional styles with lower wattage. In addition, intrusion of light into the night sky is a huge issue with outdoor applications, especially in remote areas where star-gazing is desired. I'd like to see a 25 watt LED in incandescent form!
Variety is good
written by Big O, February 11, 2013
I've been looking for low voltage for outdoor and for multiple bulb interior fixtures applications.

sometimes form goes before function and sometimes form follows function

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