"This technology addresses a serious issue consumers have had with CFL bulbs, because this kind of functionality is not currently available for CFL bulbs," said PureSpectrum president and CEO Lee Vanatta. "We are continuing our trend of identifying needs within the marketplace and developing technology which provides a solution. During the past year, we have researched the limitations of CFL bulbs according to consumers and that data has shaped our development strategy."
PureSpectrum currently owns the rights to a family of patents and patent applications related to improved electronic ballast technology and circuitry designs for ballast driven lighting applications. In 2007, PureSpectrum Technology was able to confirm through independent testing that its ballast circuitry improves energy efficiency for linear fluorescent lamps and enhances multiple performance areas for CFL bulbs. PureSpectrum's proprietary ballast topology tested in CFL bulbs made by lighting manufacturing giants such as GE, Westinghouse and Sylvania produced sizable gains in both start time and run-up delay time while maintaining comparable energy efficiency.
The most recent engineering breakthrough allows for previously unattainable dimming capability and lighting control compatibility for CFL bulbs. In addition to enabling a CFL bulb to be dimmed to below 10 percent of perceived light output with a standard dimming switch, PureSpectrum's unique circuitry design also allows a CFL to function side-by-side with incandescent bulbs and mimic performance characteristics such as low light starts.
While most leading brand name lighting manufacturers include a dimmable CFL in their product lines, the popularity of these bulbs among consumers has been hindered by performance volatility and a prohibitively high price point. The bulbs often could not be dimmed lower than 20 percent of perceived light output and frequently did not function properly with existing lighting controls built to dim incandescent bulbs
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