Flicker Index
A metric that quantifies the modulation depth of light output over time. Flicker can cause discomfort or health effects, particularly in sensitive individuals. Low flicker index lighting improves visual comfort.
ICNIRP Guidelines
Recommendations by the International Commission on Non-Ionizing Radiation Protection for safe exposure to blue light.
EN 62471
European standard addressing the photobiological safety of lamps and lamp systems, including LEDs.
Mesopic Lux
Illuminance measured considering the combined sensitivity of rod and cone cells under intermediate lighting conditions.
Scotopic Lux
Illuminance measured considering the sensitivity of the human eye under low-light conditions, primarily involving rod cells.
Photopic Lux
Illuminance measured considering the sensitivity of the human eye under well-lit conditions, primarily involving cone cells.
MacAdam Ellipse
A region on a chromaticity diagram representing the range of colors perceived as identical to a reference color, used to quantify color consistency.
Duv (Delta UV)
A metric indicating how far a light source’s color is from the black body curve. Positive values indicate a greenish tint, and negative values indicate a pinkish tint, important for fine-tuning white light.
WELL
A building standard that evaluates health and wellness impacts, including circadian lighting. WELL measures Equivalent Melanopic Lux (EML) on a vertical plane at eye level to assess compliance. Korrus technologies are designed to meet or exceed these standards by leveraging spectral tuning capabilities.
CRI (Color Rendering Index)
A measure of how accurately a light source reproduces colors compared to natural light. CRI values range from 0 to 100, with higher values indicating better color rendering.