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Cree Announces Lighting-Class Performance for Warm White XLamp® LEDs

Cree, Inc. Press Release - 3/21/2007

Newest version of the XLamp® LED provides warm white color temperature

warm white XLamp® LEDs

Cree is now shipping lighting-class warm white XLamp® LEDs that achieve up to 124 lumens at a correlated-color-temperature (CCT) of 3,000 K. Warm white light is preferable for interior lighting applications. Examples shown indicate the full white color temperature range for XLamp LEDs starting with cool at top and ending with warm at bottom.

DURHAM, N.C. - Cree, Inc. (Nasdaq: CREE), a market leader in LED solid-state lighting components, today announced that it is shipping warm white XLamp LEDs that produce up to 124 lumens at a correlated color temperature (CCT) of 3,000 K when driven at 700 mA. Unlike most warm white power LEDs, XLamp LEDs are qualified to run at up to 700 mA. With this announcement, XLamp LED lighting-class brightness and efficiency is now available in warm white from Cree.

The availability of high-performance LEDs across a full range of color temperatures can allow lighting manufacturers to build cost-effective LED fixtures for many indoor home and office applications, helping meet the need for energy-efficient, environmentally friendly lighting. The new warm white is available in both the XLamp XR-E and XR-C power LED families that are binned to the proposed ANSI standard, allowing manufacturers to select LEDs the same way they select bulbs today.

“The LED industry has struggled to boost the brightness and efficiency of warm white LEDs, which have historically offered significantly lower performance than cool white LEDs,” stated Norbert Hiller, Cree Lighting general manager and vice president. “The new XLamp warm white LEDs hold a stable color point and offer lighting designers and architects the first lighting-class warm white LED light source for general illumination applications that have traditionally been lit with incandescent light sources.”

Additional information about XLamp LEDs can be obtained by calling XLamp Sales at 919-313-5300 or at

About Cree, Inc.

Cree is a market-leading innovator and manufacturer of semiconductors and devices that enhance the value of solid-state lighting, power and communications products by significantly increasing their energy performance and efficiency.

Key to Cree’s market advantage is its world-class materials expertise in SiC and GaN for chips and packaged devices that can handle more power in a smaller space while producing less heat than other available technologies, materials and products. Cree drives its increased performance technology into multiple applications, including exciting alternatives in brighter and more-tunable light for general illumination, backlighting for more-vivid displays, optimized power management for high-current, switch-mode power supplies and variable-speed motors, and more-effective wireless infrastructure for data and voice communications.

Cree customers range from innovative lighting fixtures makers to defense-related federal agencies. Cree’s product families include blue and green LED chips, lighting LEDs, LED backlighting solutions, power-switching devices and radio-frequency/wireless devices. For product specifications, please refer to

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