Breakthrough Achieved in the 265nm Golden Band of UV-C LED; Long-Lasting Mercury-Free Solutions Fully Replace Conventional Mercury UV Lamps
2026-07-10
The 265nm wavelength is universally recognized as the most effective disinfection wavelength. Major technological breakthroughs were accomplished in this field in 2026, with the wall-plug efficiency of the UV-C LED reaching 7.5% (158 mW, 350 mA, 6 V), approximately twice the performance of existing mainstream products. This breakthrough not only boosts overall performance but also strengthens water disinfection capacity, further advancing the practical deployment of new-generation mercury-free disinfection solutions to replace traditional mercury UV lamp systems.
The leap in performance of the 265nm UVC LED stems from two core technological breakthroughs based on the aluminum nitride (AlN) substrate platform, which deliver comprehensive optimizations at the fundamental chip structure level and completely overcome the inherent drawbacks of conventional deep-UV light-emitting technologies:
1. An innovative light extraction enhancement structure paired with high-reflectivity electrode technology specifically addresses the industry-wide challenges of photon self-absorption and low light output efficiency in AlGaN deep-UV chips. It efficiently extracts ultraviolet photons generated inside the chip, drastically cuts light loss, and directly raises overall luminous efficiency via structural optimization.
2. A low-defect crystal growth process for AlN substrates is adopted to precisely upgrade wafer growth quality, effectively reducing carrier loss and thermal loss inside chips, and improving luminous stability and reliability.
Powered by these dual core technologies, the service life of the products has achieved a qualitative leap. The L70 lifespan (operating duration when radiant flux retains no less than 70% of its initial value) has been greatly extended from 10,000 hours to 25,000 hours. The light source boasts industry-leading long-term stability and anti-light-decay performance compared with traditional alternatives, significantly lowering replacement frequency and operation & maintenance costs for end devices.
Future Outlook & Social Benefits
UV-C LED light sources are mercury-free, which safeguards water quality while mitigating environmental pollution. Their superior luminous efficiency elevates the performance of various application devices, especially water disinfection equipment, enabling product coverage to expand from household to industrial scenarios. Accordingly, even in sectors where mercury UV lamps have long been the mainstream, a gradual shift to UV-C LEDs has become a viable and cost-attractive option in practical and operational cost terms. Accelerating the transition from mercury UV lamp systems to LED systems facilitates the widespread adoption of sustainable water treatment solutions across all social sectors. In addition, higher efficiency allows the development of more compact disinfection units with enhanced disinfection capacity, broadening application coverage from small household appliances such as water dispensers to industrial wastewater treatment and low-permeability water body remediation.
UVWORKS Product Portfolio Showcase
As a professional solution provider specializing in ultraviolet disinfection, Qingdao Fluorescence (UVWORKS) leverages the new-generation 265nm high-power, high-efficiency, long-lifespan UVC LED technology to develop full-scenario customized UV sterilization solutions. These solutions fully meet market demands across civilian, commercial and industrial tiers, supporting mercury-free disinfection upgrades for all industries.
The brand’s core solutions are now fully commercialized, covering three major product lines: static water tank sterilization systems, flow-through pipeline disinfection systems, and high-flow industrial water treatment sterilization systems. They target prevalent industry pain points including secondary bacterial growth in stored tank water, excessive bacteria in pipeline water, and purification of complex industrial wastewater. Built on the advantages of next-gen UVC LED technology, the solutions feature high sterilization efficiency, low energy consumption, zero pollution and low maintenance frequency. They are applicable to diverse scenarios including household drinking water, commercial water purification equipment, municipal water supply, food manufacturing, and industrial circulating water. With robust core technology, we empower the construction of sustainable water disinfection systems and accelerate the global transition to an era of mercury-free UV sterilization.
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