Phosphors provide greater range of colors. The combination of yellow phosphors with blue LED improves the quality of white light, while high-quality red phosphors provide better color rendering. Existing phosphors can increase the LED efficacy by 100%, while reducing the price by 50-200%. New phosphor materials show promise to do even better. These characteristics of phosphors are helpful to expand markets where LEDs already have a market share, such as general illumination, and also markets where the penetration of LEDs are limited by consumer perception or performance concerns.
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