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Cree LED Bulb Breaks Records

Photonics.com
Nov 2009
Cree Chairman and CEO Chuck Swoboda demonstrated an A-lamp LED lightbulb with the highest lumen output and efficacy reported in the industry at the annual Cree shareholder meeting in Durham, N.C., last week. The company said the bulb produces 969 lumens at 102 lm/W – light output equivalent to a 65-W incandescent bulb – yet uses only 9.5 W. The demonstration A-19-style bulb features Cree’s XLamp XP-G LEDs and its patented TrueWhite Technology, delivering a 2800-K warm-white light with a 91 CRI (color rendition index). “We are pushing the industry by demonstrating what’s possible,” Swoboda said. “With every improvement in LED components, new applications become achievable. We are excited to show the world not only what can be done but what they should expect in an LED lightbulb.”


GLOSSARY
light
Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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