Recently in Lumen Output Category

Cree, Inc. has been awarded ENERGY STAR ^® qualifications for its LED downlights. The product line, including the LR6, LR5 and LR4 downlights, has demonstrated LED lifetime and fixture efficacy that qualifies for the stringent commercial rating, as well as the residential rating.

ENERGY STAR is a joint program of the U.S. Department of Energy (DOE) and the U.S. Environmental Protection Agency (EPA) that helps consumers and organizations save money and protect the environment by promoting energy-efficient products. Products earning the commercial ENERGY STAR qualification must meet extended lifetime criteria, which is 40 percent longer than residential standards.

"Being rated for both commercial and residential applications is especially significant since more than three-quarters of the LED lighting we are deploying today is in commercial installations," said Neal Hunter, president, Cree LED Lighting. "Cree also provides the highest color rendering of any ENERGY STAR-qualified LED downlight. In stark contrast to compact fluorescent devices that contain toxic mercury, Cree's non-toxic LED fixtures deliver better efficiency and render colors such that the user doesn't have to compromise their lighting experience."

The Cree LR6 recessed downlight is available and qualified in two color temperatures (2700K and 3500K), and boasts efficiency of more than 54 lumens per watt with lumen output of 650 lumens--higher than any other qualified recessed downlight. The LR6 was the first recessed downlight to receive the ENERGY STAR commercial qualification.

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The Cree family of LED downlights excels in delivering beautiful, efficient LED light in a manner that surpasses even the most stringent ENERGY STAR standards, as set out in the SSL ENERGY STAR 1.1 criteria for Category A: Recessed Downlights.

	ENERGY STAR Residential	ENERGY STAR Commercial	Cree LED Lighting Downlights
Efficacy	35 lumens per Watt	35 lumens per Watt	46 to 54 lumens per Watt
Color Rendering Index	75	75	91 to 94
Rated Lifetime	25,000	35,000	50,000
Minimum Lumen Output ≤4.5" diameter	375	375	515-540
Minimum Lumen Output >4.5" diameter	575 lumens	575 lumens	650 lumens
Power Factor	≥ .70	≥ .90	.96-.97

 

To see the full list of ENERGY STAR-qualified LED fixtures visit the ENERGY STAR website:

·          Residential:
http://www.energystar.gov/index.cfm?fuseaction=ssl.display_products_res_html

·          Commercial
http://www.energystar.gov/index.cfm?fuseaction=ssl.display_products_com_html

 

About Cree

Cree is leading the LED lighting revolution and setting the stage to obsolete the incandescent light bulb through the use of energy-efficient, environmentally friendly LED lighting. Cree is a market-leading innovator of lighting-class LEDs, LED lighting solutions, and semiconductor solutions for backlighting, wireless and power applications.

Cree's product families include recessed LED downlights, blue and green LED chips, high-brightness LEDs, lighting-class power LEDs, power-switching devices and radio-frequency/wireless devices. Cree solutions are driving improvements in applications such as general illumination, electronic signs and signals, variable-speed motors, and wireless communications.

For additional product and company information, please refer to www.CreeLEDlighting.com

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In September 2007, Cree Inc, announced it had demonstrated light output of more than 1,000 lumens - an amount equivalent to the output level of a standard household light bulb - from a single R&D LED.

Cree’s achievement demonstrates continued leadership in the development of LEDs that can make traditional light bulbs obsolete.

A single-die LED, driven at four amps, produced 1,050 lumens in cool white and 760 lumens in a warm-white version. Efficacy of the cool-white LED was 72 lumens per watt and 52 lumens per watt from the warm-white device. Both LED versions operated at substantially higher efficacy levels than those of today’s conventional light bulbs. Historically, Cree’s R&D demonstrations generally have been commercialized within 12 to 24 months.

“Cree’s XLamp® LEDs are the best-performing commercially available LEDs, but we won’t be satisfied until light bulbs are obsolete,” comments John Edmond, Cree co-founder and director of advanced optoelectronics. “We’ve worked 20 years to achieve lighting-class LED performance, and we still have plenty of ways to advance the technology further.”

For more information on Cree power LEDs, please call (919) 313-5300 or visit www.cree.com.

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MARCH 3, 2008 — Cree, Inc. (Nasdaq: CREE), a market leader in LED solid-state lighting, today announced that it has completed the acquisition of privately held LED Lighting Fixtures, Inc.

This acquisition expands Cree’s market opportunity by providing direct access to the lighting market. Cree's business now encompasses LED chips, components and lighting solutions. It further enables Cree to drive retrofit solutions to convert existing lighting infrastructure to energy-efficient lighting and to accelerate the adoption of LED lighting.

“We are out to lead the LED lighting revolution and to obsolete the lightbulb,” said Chuck Swoboda, chairman and chief executive officer of Cree.

Cree is a market-leading innovator of lighting-class LEDs, LED lighting retrofit solutions, and semiconductor solutions for backlighting, wireless and power applications.

CONTACT: http://www.cree.com

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“To replace traditional light sources, LEDs need to provide both high light output and high efficacy,” comments John Edmond, Cree co-founder and director of advanced optoelectronics. “Cree continues to push the limits of LED performance in order to realize the potential of the LED lighting revolution - energy-efficient, long-lasting LED light.”

In September, 2007, Cree announced it achieved R&D results of 129 lumens per watt for a cool-white LED and 99 lumens per watt for a warm-white LED.

These are the best results reported for packaged, high-power LEDs, and indicate that Cree is extending its lead in solid-state lighting through its continued investments in LED technology.

The results have been verified by the National Institute of Standards and Technology (NIST). NIST’s tests confirmed that the cool-white (5,813 K) LED produced 135.7 lumens of light output and achieved 129 lumens per watt efficacy. The warm-white (2,950 K) LED produced 104.2 lumens of light output and achieved 99 lumens per watt efficacy. The institute tests LEDs at 350 mA and measures the output after five minutes of operation to ensure thermal stabilization.

In coming years, such investments in core LED technology could lead to products that replace traditional light sources in all commercial applications.


For more information on Cree high-power LEDs, please call (919) 313-5300 or visit www.cree.com.

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