https://ledpedia.com/Explore LEDs, drivers, luminaires and displays. Compare sourced parameters, use engineering tools and understand the conditions behind each number.https://ledpedia.com/article/hlg240h-source-revision/https://ledpedia.com/article/hlg240h-source-revision/The HLG-240H data sheet carries a 4 February 2026 revision date.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/cl700a-announcement/https://ledpedia.com/article/cl700a-announcement/Konica Minolta announced CL-700A on 5 December 2025.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-dali/https://ledpedia.com/article/standard-dali/The IEC 62386 family and DALI Alliance specifications define digital lighting-control communication.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-cie-s025/https://ledpedia.com/article/standard-cie-s025/Reproducible photometric and colorimetric measurements of LED lamps, luminaires and modules; LED packages are outside this document’s scope..Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-iec61347/https://ledpedia.com/article/standard-iec61347/Particular safety requirements for electronic controlgear for LED light sources.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-iec62471/https://ledpedia.com/article/standard-iec62471/Photobiological assessment for sources and luminaires primarily emitting visible radiation; do not treat it as a universal UV exposure rule..Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-iec60598/https://ledpedia.com/article/standard-iec60598/General safety requirements and tests for luminaires.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-tm21/https://ledpedia.com/article/standard-tm21/Long-term flux-maintenance projection from suitable LM-80 data; a projection is not a field failure-rate study..Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-lm80/https://ledpedia.com/article/standard-lm80/Flux maintenance measurement for LED packages, arrays and modules; not a complete-luminaire lifetime guarantee..Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/standard-lm79/https://ledpedia.com/article/standard-lm79/Optical and electrical measurement of solid-state lighting products..Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/coreline-gen5-source-assessment/https://ledpedia.com/article/coreline-gen5-source-assessment/CCT describes a white-light chromaticity relationship; it does not describe the entire spectrum or color-rendering behavior.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/xp-g4-hi-source-assessment/https://ledpedia.com/article/xp-g4-hi-source-assessment/Start by identifying what the number describes: an absolute limit, recommended operation, bin boundary or typical test result.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/light-lab-instrument-shortlist/https://ledpedia.com/article/light-lab-instrument-shortlist/The order is an editorial route through documented options, not a measured quality ranking.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/horticulture-source-shortlist/https://ledpedia.com/article/horticulture-source-shortlist/The order is an editorial route through documented options, not a measured quality ranking.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/cc-supply-selection-shortlist/https://ledpedia.com/article/cc-supply-selection-shortlist/The order is an editorial route through documented options, not a measured quality ranking.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/directional-emitter-shortlist/https://ledpedia.com/article/directional-emitter-shortlist/The order is an editorial route through documented options, not a measured quality ranking.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/failure-record-before-replacement/https://ledpedia.com/article/failure-record-before-replacement/Start with the symptom, history and safe isolation, not live rewiring.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/flicker-troubleshooting/https://ledpedia.com/article/flicker-troubleshooting/Start with the symptom, history and safe isolation, not live rewiring.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/document-a-light-measurement/https://ledpedia.com/article/document-a-light-measurement/CCT describes a white-light chromaticity relationship; it does not describe the entire spectrum or color-rendering behavior.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/uv-selection-boundaries/https://ledpedia.com/article/uv-selection-boundaries/Start by identifying what the number describes: an absolute limit, recommended operation, bin boundary or typical test result.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/mini-micro-led-terms/https://ledpedia.com/article/mini-micro-led-terms/Pixel pitch is a distance, not a guarantee of viewing quality.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/led-display-pixel-planning/https://ledpedia.com/article/led-display-pixel-planning/Pixel pitch is a distance, not a guarantee of viewing quality.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/map-horticulture-coverage/https://ledpedia.com/article/map-horticulture-coverage/PPF describes photons emitted each second; PPFD describes photons arriving per area each second.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/ppf-ppfd-dli/https://ledpedia.com/article/ppf-ppfd-dli/PPF describes photons emitted each second; PPFD describes photons arriving per area each second.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/beam-angle-and-distance/https://ledpedia.com/article/beam-angle-and-distance/A beam-angle label usually describes a level within a distribution, often half of peak intensity.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/les-and-secondary-optics/https://ledpedia.com/article/les-and-secondary-optics/A beam-angle label usually describes a level within a distribution, often half of peak intensity.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/heatsink-catalog-limits/https://ledpedia.com/article/heatsink-catalog-limits/Electrical input becomes optical radiation and heat.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/thermal-budget-basics/https://ledpedia.com/article/thermal-budget-basics/Electrical input becomes optical radiation and heat.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/cold-hot-led-voltage/https://ledpedia.com/article/cold-hot-led-voltage/Start by identifying what the number describes: an absolute limit, recommended operation, bin boundary or typical test result.Fri, 11 Sep 2026 17:45:01 +0800https://ledpedia.com/article/driver-ic-versus-power-supply/https://ledpedia.com/article/driver-ic-versus-power-supply/A constant-current load must fit the driver’s current setting and its regulation-voltage window over temperature.Fri, 11 Sep 2026 17:45:01 +0800