Horticulture lighting device

A lighting device is presented. The lighting device includes an LED light source; and a red/far-red emitting phosphor radiationally coupled to the LED light source, wherein the red/far-red emitting phosphor comprises a host material activated with an activator ion, and wherein the activator ion comp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Srivastava, Alok, Beers, William Winder, Cohen, William Erwin
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A lighting device is presented. The lighting device includes an LED light source; and a red/far-red emitting phosphor radiationally coupled to the LED light source, wherein the red/far-red emitting phosphor comprises a host material activated with an activator ion, and wherein the activator ion comprises at least one of Sm2+ and Mn2+. Numerous other aspects are provided.