Geobulb LED Bulbs
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New article name is GeoBulb LED Bulbs
GeoBulb® LED Bulbs
The signature GeoBulb is one of the first high-brightness direct replacement LED (Light-emitting diode) light bulbs. The GeoBulb is the same size as a conventional Incandescent light bulb (A19-type), and can be used as a direct replacement in any indoor open fixture.[1] The GeoBulb has a standard, screw-in type Edison base, and is also mercury and lead free. The original GeoBulb[2] was never released to the public. Initial runs of the bulb were only used by industry professionals and a few members of the press.
In early 2009[3], C. Crane Company introduced a new version of this LED light bulb called the GeoBulb II. The Cool White GeoBulb II puts out about 446 lumens[4] which is approximately what a 40-watt incandescent bulb would be. The majority of this light is off the top half of the bulb. The light off the top half of the bulb exceeds that of some 60-watt incandescent bulbs. The GeoBulb II is the same size as a regular incandescent light bulb, has a long warranty, and uses only 7.5 Watts.
Like the GeoBulb II, the new GeoBulb-3 is UL Listed [5] and FCC approved.
The Power Factor expresses the efficiency of the circuit. The GeoBulb-3 runs with a power factor of about .80, a CFL runs at about .50 and an incandescent runs at 1. To put it another way, you need a 60 watt generator for a 60 watt incandescent bulb, you need a 25 watt generator to run a 13 watt CFL and a 9.5 watt generator for the GeoBulb. To run a GeoBulb the power company has to generate less than half the power required for a comparable CFL.
Other GeoBulb Products
The following GeoBulb branded products serve the same energy efficient and longevity goals as the signature Edison screw-in based GeoBulbs but can be used in alternate fixtures or locations.
The GeoBulb 12V Wedge Base LED Light Bulbs are designed for use in outdoor Malibu-type fixtures. These bulbs use 1 watt of power compared to the 4-11 watts of power consumed by standard garden incandescent light bulbs.
The GeoBulb LED Under Cabinet Light Bar can be operated on 12VAC or 12VDC. Up to 11 bars can be daisy chained on a single AC adapter.
The Geobulb MR16 LED Bulbs are designed to operate in low voltage track lighting. The light output is comparable to 20 Watt, 30 degree beam Halogen bulbs.
References
- ^ "The Simple Dollar Comparison".
- ^ "Randall Whitehead Lighting Notebook" (PDF).
- ^ "Fortuna company launches energy-efficient LED light bulb at the Times-Standard". Times-Standard. 2009-03-28. Retrieved 2009-05-04.
- ^ "GeoBulb Cool White Lab Report" (PDF).
- ^ "Official UL Listing Site".