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Horticultural LEDs designed to improve crop yield

Horticultural LEDs designed to improve crop yield

New Products |
By Rich Pell



The purpose-built LEDs provide the exact wavelengths of light required for horticulture applications, claims the manufacturer. Growers can develop single channel solutions using key wavelengths for photosynthesis, blue (420-480nm) and red (620-670nm).

Or they can develop multi-channel solutions with select LEDs to optimize light output for different stages of the plant’s life cycle, including seedlings, germination, vegetative growth, flowering, etc. The Luxeon SunPlus 20 Line is comprised of 2.0×2.0mm high power LEDs in Royal Blue (440-460 nm), Deep Red (655-675 nm), Far Red (720-750 nm), Lime (broad spectra) and Cool White.

Vertical farming, using multiple stacks of growth trays, requires lighting from short distances with high uniformity. The Luxeon SunPlus 35 Line addresses these needs with Blue (440-460 nm), Lime, White and three shades of Purple mid power LEDs in a 3.5×3.5mm format.

“Our Purple LED offerings are distinct in that they are long-lasting, high efficiency blue LEDs under red phosphor, offering the highest uniformity for consistent growth. Other companies are combining blue and red LEDs to get purple hues, but this is problematic because red LEDs age faster than blue ones, so the red / blue ratio keeps changing over time, obtaining unreliable growth results,” said Luis Aceña, Lumileds’ Senior Manager of Business Development in a statement.

The Purple LEDs are offered with different blue PPF relative to PPF total across the photoactive region (400-700 nm). The Purple (2.5% Blue) LED encourages stem growth and flowering, the Purple (12.5% Blue) LED encourages general purpose growth, and the Purple (25% Blue) LED encourages vegetative growth for larger leaves.

Lumileds: www.lumileds.com/horticulture

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