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US 11,477,945 B2Granted
Horticulture lighting device
AssigneeCurrent Lighting Solutions, LLC
InventorsWilliam Winder Beers, William Erwin Cohen, Alok Srivastava
Life of this patent
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Abstract
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.
Claims19
A lighting device, comprising:
- an LED light source;
- and
- a phosphor radiationally coupled to the LED light source, the phosphor for emitting red and far red light within a wavelength range from about 600 nm to about 800 nm, wherein the phosphor comprises a host material activated with an activator ion, and wherein the activator ion comprises at least one of Sm2+ and Mn2+.
A lighting device comprising:
- an LED light source;
- and
- a phosphor radiationally coupled to the LED light source, the phosphor for emitting red and far red light within a wavelength range from about 600 nm to about 800 nm, wherein the phosphor comprises a host material activated with Sm2+.
Dependencies are inferred from the claim text.