Cree Inc.

08 november 2016, 17:00

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Cree Inc. is an American worldwide manufacturer and marketer of lighting-class LEDs lighting products and products for power and radio frequency RF applications. Most of its products are based on silicon carbide SiC is a rare naturally occurring mineral compound which early Cree researchers successfully synthesized in a laboratory. SiC enables higher performance in applications which require high endurance and in semiconductor devices that operate at high temperatures or high voltages or both.2 With the establishment of a reliable source for high-quality SiC the firm expanded into several market segments with products that provided significantly higher performance and efficiency.2 Cree''s product families include LED lighting systems and bulbs, blue and green LED chips, high-brightness LEDs lighting-class power LEDs and a portfolio of SiC-based and wide bandgap SiC-on-GaN gallium nitride power switching and RF radio frequency devices. These products enable applications that include general illumination, electronic signs and signals industrial power supplies and inverters and military satellite and broadband telecommunications. Cree was founded in July 1987 in Durham North Carolina. Five of the six founders Thomas Coleman John Edmond Eric Hunter John Palmour and Calvin Carter are graduates of North Carolina State University.3 In 1983 the founders - one a research assistant professor and the others student researchers were seeking ways to leverage the properties of silicon carbide to enable semiconductors to operate at higher operating temperatures and power levels.3 They also knew silicon carbide could serve as the diode in light-emitting diode LED lighting a light source first demonstrated in 1907 with an electrically-charged diode of SiC. The research team devised a way to grow silicon crystals in the laboratory and in 1987 founded a company of Cree Research Inc. to produce SiC and commercially exploit its usage in both semiconductors and lighting. The founders raised money to establish office and laboratory facilities and entered a period of steady technological advancements.3 In 1989 the company introduced the world's first blue LED, which enabled the development of large full-color video screens and billboards.3 Cree In 1991 released the world's first commercial silicon carbide wafer.3 In 1993, the Cree launched an initial public offering. In 1999 the company name is changed from Cree to Cree Research Inc.4 In 2001 Cree had grown to about 1000 employees.3 In 2011, Cree acquired Ruud Lighting, a national firm experienced in the use of LED for outdoor lighting. This Cree expanded sales channels and led to a new generation of lighting-class LED components.5 In 2012, Cree announced the XLamp XT-E which was claimed to deliver twice as much light for the same price as older LEDs.6 In October 2013 Cree''s first consumer products two household LED bulbs qualified for Energy Star rating by the United States Environmental Protection Agency.7 In 2014, Cree introduced a series of dimmable 40 and 60 watt LED bulbs specifically designed to match the classic A-19 shape that year Cree established an exclusive relationship with home improvement chain Home Depot to distribute Cree LED bulbs.8 In 2015 Cree acquired Arkansas Power Electronics International Inc. APEI combining the resources of two established firms which make components for high-performance power modules. The collaboration led to multiple government contracts including one for a SiC-based vehicle charger for hybrid electric vehicles for the U. S. Dept. of Energy's Advanced Research Projects Agency-Energy ARPA-E. 9 In July 2016 the German chip maker Infineon Technologies AG said it agreed to buy the North Carolina-based company Wolfspeed from Cree Inc. for $850 million in cash.10 Cree allows other companies access to its proprietary or patented technology through a formal intellectual property licensing program as part of their strategy to accelerate the adoption of LED and other products in new and developing markets. With thousands of granted patents in over twenty countries around the world Cree's technologies encompass new materials systems such as Group III nitrides and silicon carbide compound semiconductor devices for LED lighting wireless and power applications and LED-based systems such as LCD backlighting systems and general illumination systems. A license to Cree''s patents can enable other companies to improve existing products enter new markets or speed time to market of new products.19 The Small Business Program at Cree Inc. was established to maximize the opportunities for small business concerns to participate in the company's business of procuring goods and services at all dollar levels and regardless of fund

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