Osram launches Duris S5 purple LED for horticulture lighting

To expand its portfolio of horticulture LEDs with various colors, voltage and beam-angle options, Osram Opto Semiconductors GmbH of Regensburg, Germany has launched the Duris S5 purple, which combines key wavelengths of red and blue into a single purple LED that can make horticulture applications more cost effective.

The options to select a specific color spectrum or wavelength, much lower power consumption and much longer lifespan – resulting in lower maintenance and operational costs – as well as more flexibility for design and control functions have created growing demand for LED-based horticulture lighting, for both both professional as well as consumer applications, says the firm.

Designers of horticulture lighting systems for professional use often prefer multi-channel solutions with a combination of LEDs to be able to adapt and optimize the light output for different stages of the plant’s life cycle, including seedlings, germination, vegetative growth and flowering. For consumer lighting systems cost and ease of implementation are key factors that system developers are focusing on when selecting their components.

Osram Opto says that, by combining two of the most important wavelengths (450nm and 660nm) for plant growth in a single package, the Duris S5 purple LED provides a particularly cost-effective solution for cost-sensitive applications. The LED is available with output powers of 0.3W and 1.0W and is suitable for horticulture lighting systems in indoor consumer markets.

The new LED utilizes an innovative phosphor spectrum for high photosynthetic photon flux (PPF) professional-grade materials (such as a high-quality epoxy lead-frame), Osram’s sapphire chip as well as robust silicone and has been qualified by extensive stress test. The Duris S5 purple can also be mixed with the Duris S5 lime to produce high-quality white light (good for harvesting and visual inspection).

Osram Opto also offers a new unique full-spectrum white Duris in various voltage options with a higher proportion of hyper red and far red compared with standard white LEDs.

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