SEOUL-SEMICONDUCTOR

Seoul Semiconductor Co., Ltd. (KOSDAQ 046890), a leading global innovator of LED technology, announced the results of a series of experiments that demonstrated a higher growth rate and higher flavonol (antioxidant) content in crops grown under SunLike Series natural spectrum LEDs than those grown under standard white LEDs.

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The experiments were conducted on lettuce using SunLike Series LED lighting and standard white LED lighting of the same color temperature and light intensity. After two weeks of crop growth, the fresh weight and flavonol content of the lettuce were measured and compared. The fresh weight of lettuce grown under SunLike Series LEDs came in at 43.0g, 13.5% higher than the yield produced by standard white LEDs. In addition, the flavonol content had a measured antioxidant effect of 0.55, 41% higher in comparison to lettuce grown under the standard LEDs.

This significant difference in growth and flavonol content is directly related to light spectrum output, defined as the combined wavelengths of energy produced by a light source. SunLike Series LEDs were able to promote more growth due to having a spectral output that more closely matches the spectrum of natural sunlight. Thus, the experiment concluded that SunLike Series natural spectrum LEDs may shorten the growth period of crops, while enhancing yield, quality, and marketability.

“According to the results of this experiment, LED light sources with the same measured correlated color temperature and intensity, but different spectral output, may produce different effects on the growth rate and nutritional content of crops. Therefore, growers using greenhouses and indoor farms will benefit by selecting horticulture LED lighting sources that offer a natural spectrum close to sunlight – one of the key factors in the growth cycle of plants,” said Nam Ki-bum, sales executive vice-president of Seoul Semiconductor. “As an optimized horticulture LED solution, Seoul Semiconductor’s SunLike Series natural spectrum LEDs will deliver significant benefits to enhance growth cycles and the year-round development of crops, as well as improve the overall growth environment.”

SunLike Series natural spectrum LEDs have been adopted for numerous horticultural applications as a lighting solution for indoor farms, including the horticultural lighting specialist company Rofianda B.V, located in the Netherlands.

To learn more about the SunLike Series natural spectrum LEDs, please visit: http://www.seoulsemicon.com/en/technology/Sunlike/

About Seoul Semiconductor

Seoul Semiconductor develops and commercializes LEDs for automotive, general illumination, specialty lighting, and backlighting markets. As the second-largest LED manufacturer globally excluding the captive market, Seoul Semiconductor holds more than 14,000 patents, offers a wide range of technologies, and mass produces innovative LED products such as SunLike – delivering the world’s best light quality in a next-generation LED enabling human-centric lighting optimized for circadian rhythms; WICOP – a simpler structured package-free LED which provides market leading color uniformity and cost savings at the fixture level, providing high lumen density and design flexibility; NanoDriver Series – the world’s smallest 24W DC LED drivers; Acrich, the world’s first high-voltage AC-driven LED technology developed in 2005, including all AC LED-related technologies from chip to module and circuit fabrication, and nPola, a new LED product based on GaN-substrate technology that achieves more than ten times the output of conventional LEDs. UCD constitutes a high color gamut display which delivers more than 90% NTSC. For more information, please visit www.seoulsemicon.com/en .

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