Cree, Inc. (Cree) develops and manufactures semiconductor materials and devices primarily based on silicon carbide (SiC), gallium nitride (GaN) and related compounds. It focuses its expertise in SiC and GaN on light emitting diode (LED) products. It develops lighting-class light emitting diode (LED) products, lighting products and semiconductor products for power and radio-frequency (RF) applications. The Company's lighting products consist of both LED and traditional lighting systems. The Company designs, manufactures and sells lighting systems for indoor and outdoor applications, with a primary focus on LED lighting systems for the commercial and industrial markets. In addition, the Company develops, manufactures and sells power and RF devices. The Company operates in three segments: LED Products, Lighting Products and Power and RF Products. In August 2011, the Company acquired Ruud Lighting, Inc.