Cree Acquires Semi-Insulating Silicon Carbide and Power Device Patent Portfolio from Daimler AG
Source/Type: Company News Releases

December 3, 2009... Durham, North Carolina USA-– Cree, Inc. announces that it has acquired a portfolio of patents and patent applications related to semi-insulating silicon carbide (SiC) material and power device technology from Daimler AG. The portfolio consists of approximately 20 patent families, including issued patents in the United States, Germany, Japan, and China. U.S. Patent No. 5,856,231 (‘231) titled “Process for Producing High-Resistance Silicon Carbide” is an important piece of the portfolio that relates to the manufacturing of semi-insulating SiC using vanadium doping.

“We had licensed this impressive group of patents for many years and the full acquisition is a valuable addition to our already extensive intellectual property position,” said Dr. Cengiz Balkas, Cree vice president and general manager, power and RF.

Dr. Vijay Balakrishna, Cree product line manager, materials, added, “Cree is already the leader in high purity semi-insulating SiC and acquiring the ‘231 patent further bolsters our IP position, especially in semi-insulating SiC achieved through vanadium doping.”

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, and semiconductor solutions for wireless and power applications.

Cree’s product families include LED fixtures and bulbs, 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, backlighting, electronic signs and signals, variable-speed motors, and wireless communications. For additional product and company information, please refer to www.cree.com.

To learn more about the LED Lighting Revolution, please visit www.creeledrevolution.com.

Media Contact:
Michelle Murray
Cree, Inc.
Corporate Communications
(919) 313-5505

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