Date Announced: 27 Sep 2012 FREMONT, Calif. - Intematix Corporation, a leading innovator of patented phosphors and phosphor components for high-quality LED lighting, today announced that the United States Patent and Trademark Office (USPTO) has issued its patent covering red nitride phosphor compositions used in light emitting diodes (LEDs). The patent was allowed in August and officially issued September 25.Intematix’s U.S. Patent No. 8,274,215, entitled “Nitride-based Red Phosphors” is the 18th U.S. patent issued to Intematix in the area of LED phosphors and the 71st U.S Patent overall.LED manufacturers worldwide have implemented Intematix’s red nitride product portfolio in order to produce high performance and quality lighting products. These patent claims support those customers and designs.“Our novel chemical formulation lowers the concentration of oxygen impurities in the material structure, leading to improved reliability under high temperature and humidity conditions,” explained Dr. Yi-Qun Li, Chief Technology Officer at Intematix, “This design increases light output efficiency and produces longer emission wavelengths when powered by the blue light from the LED chip.”Red phosphor technology plays a fundamental role enabling high quality LED lighting with high color rendering index (CRI). Due to the high thermal stability of Nitride technology in particular, LEDs may operate at higher temperature, power and light output per unit, lowering the costs of lighting. Compared with other phosphors in the red emission region, LED designers can make LEDs with higher light output efficacy and with CRIs as high as 98 when combined with other phosphors offered by Intematix. Red phosphor also extends the color gamut performance of displays like flat-panel TVs.For more information about Red Nitride and other Intematix Phosphors, contact a sales representative or visit www.intematix.com. About IntematixIntematix Corporation is a materials development innovator, providing patented phosphors and remote phosphor components that serve as the foundation for cost-effective, high quality and energy efficient LED light. Intematix products enable attractive, vivid color quality, superior consistency, uniformity, and stability. Headquartered in Fremont, California, Intematix maintains R&D, manufacturing, business and support operations in the United States, Asia and Europe. To learn more about the company, please visit www.intematix.com*ChromaLit is a trademark of Intematix Corporation.
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