Artwork visualization using a solid-state lighting engine with controlled photochemical safety

Arūnas Tuzikas · ARTŪRAS ŽUKAUSKAS · Rimantas Vaicekauksas · Andrius Petrulis · P. Vitta · Michael S. Shur

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Conservation Techniques and Studies Cultural Heritage Materials Analysis Color Science and Applications

Abstract

A concept of a solid-state lighting engine for artwork-specific illumination with controlled photochemical safety is introduced. The engine is based on a tetrachromatic cluster of colored light-emitting diodes wirelessly controlled via an external smart device. By using an instantaneous dimming functionality, the driving software allows for maintaining the damage irradiance relevant to a particular type of photosensitive artwork material at a constant value, while varying the chromaticity and color rendition properties of the generated light. The effect of the constant damage irradiance on the visual impression from artworks is demonstrated for the lighting engine operating in three modes, such as selecting color temperature, tuning color saturating ability, and shifting chromaticity outside white light locus, respectively.

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References

1996Damage to museum objects due to light exposure 1982Preferred lighting conditions for the display of oil and watercolour paintings 2007Museum lighting: its past and future development 2010Lighting the world's treasures: Approaches to safer museum lighting 1961A New Look at Colour Rendering, Level of Illumination, and Protection from Ultraviolet Radiation in Museum Lighting 2000A Proposal to Reduce the Exposure to Light of Museum Objects Without Reducing Illuminance or the Levelofvisual Satisfaction of Museum Visitors 2007Acceptable Light Damage - A Preliminary Investigation

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