Seoul Semiconductor: SunLike Series Natural Spectrum LEDs Illuminate Pompeii Ruins
PRESS RELEASE Businesswire
Mar. 7, 2018, 05:45 AM
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The Lumen Center Italia (LCI) has developed spotlights that employ nine units of 25W COB-type SunLike Series natural spectrum LEDs from Seoul Semiconductor to illuminate the restored murals in the Pompeii ruins in Casa dei Vettii, Italy. The SunLike Series LEDs reproduce the spectrum of sunlight as closely as possible to show the color of the object as it appears in natural light and provide a good sense of depth based on high contrast ratio to accurately represent the murals.
Most artificial lights, such as fluorescent lights and conventional LEDs, exhibit light with a different spectrum from natural sunlight. The light output of those devices typically has a higher peak of blue light when compared to sunlight. Even conventional LEDs with a high CRI (Color Rendering Index) of 90, have a significantly lower color quality than natural sunlight. The oversaturation of blue light produces a scattering effect, causing distortion in the color of objects and making it difficult to accurately identify their contrasts.
SunLike LED technology, on the other hand, produces light with superior color quality compared with conventional LEDs because the spectrum of SunLike LEDs closely matches that of natural sunlight. Conventional artificial lighting has applied the color rendering index (CRI) that evaluates color quality based on fluorescent lamps. However, as LED technology has advanced, it has exceeded the color quality of fluorescent lamps. As a result, new standards of color quality scales are being used. In particular, if the existing CRI (color rendering) was the mechanical color used for experiments and measurements, CQS is characterized by the expression of more natural colors that the human eye can perceive.
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