TM-30 BASICS with Michael Royer of PNNL

– IES TM-30-15 is a new system of several related measures and graphics that can be used together to effectively evaluate and communicate a light source’s color rendering properties. The development of the method involved synthesizing multiple related research efforts

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New DOE Resources on Understanding IES TM-30

Created by an Illuminating Engineering Society (IES) task group to address the widely acknowledged limitations of CRI, which is simpler to use but less accurate, TM-30 encompasses several individual measures and graphics that complement one another and, together, provide a

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CIE Position Statement on CRI and Colour Quality Metrics

The Colour Rendering Index (CRI), defined by CIE Publication 13.3, is widely used for assessing the colour rendering characteristics of light sources. It was first published in 1965 after fluorescent lamps had emerged, and was last improved in 1974. However,

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Inside the New IES Method for Color Evaluation by Craig DiLouie

The color quality of light sources is critical in a broad range of applications, from making colors pop in retail merchandise to promoting social interaction by properly rendering skin tones. To evaluate, predict and discuss color quality, the industry relies

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Battle Lines Drawn Over Color Rendering Method

The lighting industry appeared to be gearing up for another of its periodic format wars as battle lines were drawn this week over a proposed replacement for the Color Rendering Index. The Illuminating Engineering Society in the US has unveiled

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IES Publishes New Method for Evaluating Color Rendition TM-30-15

While CRI enjoys widespread use, its limitations are well recognized, and the need for a viable alternative is increased by the proliferation of SSL, which offers tremendous scope for spectral engineering and optimization. TM-30-15 addresses many of the CRI’s limitations,

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