What's moving in the UV industry
Curated UV-industry signals — vendor-neutral. From standards and studies to market moves and application cases. We publish when there is something worth your time, not on a fixed schedule.
Latest UV news
The VOC-free case for UV-LED curing is real — and so are its four hard limits
At CAMX 2026, instant-cure UV-LED coatings were pitched again on their environmental case: no solvents, no VOCs, a smaller footprint and lower energy than thermal ovens. The advantages are genuine — but UV-LED curing also brings four engineering limits that decide whether it fits your part: depth of cure, oxygen inhibition, wavelength–photoinitiator matching, and shadowed geometry.
265 nm UV-C LEDs are getting efficient enough to matter — inside the wall-plug-efficiency race
Stanley Electric reports a 7.5% wall-plug efficiency for its 265 nm UV-C LEDs — roughly triple its previous level, with 10% targeted by the end of FY2026. It lands in an industry race (ams OSRAM is already at a PTB-validated 10.2%) that is slowly closing the old gap between the wavelength that disinfects best and the wavelength that's cheapest to produce.
222 nm vs 254 nm against Norovirus — NUS study quantifies the penetration trade-off
Singapore researchers ran the first systematic head-to-head of 222 nm Far-UV-C and classical 254 nm UV-C against human norovirus on real surfaces — and found a sharp trade-off rather than a clean win for the safer wavelength.
Excimerlight Enters North America With Filter-Free 222 nm Far-UVC Platform
Far-UVC manufacturer Excimerlight has announced its market entry into North America with a KrCl-excimer platform spanning 3 W to 1000 W. The vendor claims its lamp-optical architecture suppresses out-of-band emission above 230 nm in the source itself, eliminating the degrading bandpass filter that has been the Achilles heel of the dominant Ushio Care222-class platforms.
265 nm — the UV-C LED germicidal optimum, and why the damage doesn't reverse
A new Scientific Reports study compared five UV-C LED wavelengths against drinking-water indicator bacteria. 265 nm gave the fastest kill — matching DNA's absorption peak — every wavelength cleared up to 6-log below 7 mJ/cm² in clean buffer, and neither E. coli nor E. faecium repaired the damage afterwards.
Where hospital UV-C disinfection actually fails: a 2026 review on shadowing and dose distribution
A 2026 scoping review of 11 hospital studies finds UV-C surface disinfection works well in the lab — 1 to ≥5 log10 — but turns variable in real rooms, where pathogen type, surface material, room geometry and shadowing decide the outcome. The fix is unglamorous: clean first, run multi-position cycles, and verify the delivered dose.
UV-LED Market 2026 — TrendForce Forecasts USD 215 M Plus 5 % Cost-Pressure on Customized Products
TrendForce projects a USD 215 M UV-LED market for 2026 with annual growth above 10 %. At the same time UV-LED prices are rising quarter-on-quarter by 5 % in Q1 2026 — TrendForce specifies this increase applies explicitly to customized products, driven by precious-metal, raw-material and labour costs.
Silanna UV SF2 — Next-Generation Far-UVC LED Doubles Radiant Intensity at 230 nm
Silanna UV has released the second generation of its Far-UVC LED line: SF2 reaches a typical center wavelength of 233 nm at 2 mW/sr radiant intensity per the vendor datasheet — twice the predecessor SF1, in a TO-Can package with 17° beam angle.
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