23 Jan '15, 9am

Toray's Phosphor Sheet Improves White LED Brightness

Toray's Phosphor Sheet Improves White LED Brightness

Toray Industries' phosphor sheet that can improve the brightness of a white LED device by 10% or more without increasing input power [Click to enlarge image] Toray Industries Inc developed a phosphor sheet that can improve the brightness of a white LED device by 10% or more without increasing input power. The sheet is made by dispersing phosphor particles in a binder made mainly of silicone resin. It is used for white LED devices using (1) blue LEDs and yellow phosphors or (2) red and green phosphors. Because the sheet can improve brightness, it is expected to be used for high-power lighting apparatuses as well as to reduce the weight and power consumption of headlights by reducing the number of LED devices and input power. Electric vehicles (EVs) are required to improve drive range per charge, and the reduction of the power consumption of headlights will contribute to it....

Full article: http://techon.nikkeibp.co.jp/english/NEWS_EN/20150123/400...

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