Industrial and domestic LED lighting

Melanopic EDI Calculator: How Much Blue Light Before Bed Is Too Much

Turn lux into melanopic EDI for any lamp spectrum: the 250 lx daytime target, how much blue light before bed is too muc…

How Does an Integrating Sphere Work: Working Principle & Calibration Procedure

Learn what an integrating sphere is used for and exactly how it works. Interactive 3D widget, theory, and step-by-step …

CQS Color Quality Scale: Differences from CRI in LED Lighting

Explore the CQS Color Quality Scale and its benefits for CQS LED lighting. Learn how the color quality scale works and …

Color Rendering Index CRI, CQS and TM-30 standard in LED lighting, flicker issues

What is color rendering index (CRI), TM-30, and CQS? Explore lighting standards, spectrum quality. Why do LED lights fl…

MacAdam Ellipse and SDCM: What LED Binning Numbers Actually Mean

What a MacAdam step is, why colour tolerance is an ellipse, and what 3-step LED binning buys you — with an interactive…