Violumas Offers More UVC Intensity in Next Gen UV LEDs

Violumas Offers More UVC Intensity in Next Gen UV LEDs

Violumas, provider of high-power UV LED solutions and inventor of 3-PAD LED technology, has released its next-generation 255nm, 265nm, and 275nm LEDs in both SMD and COB configurations.

The radiant flux of the new 275nm and 265nm LEDs has increased by 10-30% from the previous generation, to achieve 65mW (255nm), 130mW (265nm), and 145mW (275nm) in compact, single-emitter packages of 5.2mm x 5.2mm. 

The new UVC LEDs are also available in 4-LED, 9-LED, and 16-LED chip-on-board (COB) configurations and provide unrivaled levels of power for any UVC application. Each LED is encapsulated with a single, high-transmission fused silica lens that allows for long-term, stable performance over time. A selection of 30°, 60°, 90°, 120°, and 135° optics is available to accommodate a wide variety of UVC applications. 

These next-generation LEDs are also featured in Violumas’ ultra narrow beam LED, the VioBeam-1X1, which features a unique 10deg fused silica optic for far-field and focused illumination.

The integrated thermal structure (3-PAD) in every Violumas LED achieves for industry-leading thermal resistance values, which is critical for more reliable, compact, and long-lasting UVC LED systems. It also allows Violumas UVC LEDs to withstand a nominal driving current of 700mA per LED chip, at which the LED maintains >70% of its original intensity after 10,000 hours of continuous operation.

With continual development of high performance UVC LEDs, Violumas aims to accelerate industry adoption in high power applications as water disinfection, air purification, spectroscopy, and curing.

This work was performed at University of British Columbia to develop a modular, energy-efficient, and spectrally tunable lighting system for photochemical experiments for simulating stratospheric, tropospheric and indoor light conditions.
This technical application note provides information on Violumas’ ultra-narrow beam lenses and their use in UV LED systems. It introduces the underlying optical principles, key performance considerations, and potential applications of Violumas’ ultra-narrow beam angle – the Viobeam Product. The document is intended to help users understand how these lenses can be used to achieve precise, focused UV illumination in demanding applications.
Although UV LEDs have a compact form factor, they generate a substantial amount of heat through a small surface area

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