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Phosphors Optimized for Better, Brighter LEDs

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New guidelines for optimizing phosphors — a key component in white LEDs — could lead to brighter and more efficiently produced solid-state lighting. Researchers at the University of California, Santa Barbara’s Solid State Lighting & Energy Center (SSLEC) developed the guidelines based on the rigidity of phosphor crystalline structure. Until recently, the preparation of phosphor materials was more an art than a science, based on finding crystal structures that act as hosts to activator ions, which convert the higher-energy blue light to lower-energy yellow/orange...Read full article

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