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10 February 2015

SETi doubles efficiency and ships samples of 20mA, 2.5mW UVC LEDs

Sensor Electronic Technology Inc (SETi) of Columbia, SC, USA, which develops and manufactures deep-ultraviolet (DUV) LED devices and modules, has started shipping samples of its UVC LEDs with 2.5mW of optical power at 265–280nm. First launched in August 2013, the3.5mm x 3.5mm ceramic SMD LEDs have evolved from 0.8mW of power at 20mA to 1.3mW in 2014 and now 2.5mW, still at 20mA. The product is targeted at cost-sensitive, high-volume markets such as disinfection.

The latest increase in performance is part of SETi's performance roadmap that builds on developments made through the US Defense Advanced Research Projects Agency (DARPA) Compact Mid-Ultraviolet Technology (CMUVT) program. The performance represents a doubling of wall-plug efficiency (Pout/Pin) of 2.3% (while external quantum efficiency, or EQE, has been measured at 2.9%). SETi also continues to develop new epitaxial and chip fabrication processes along with novel packaging techniques.

The 2.5mW UVC LEDs is being showcased in booth 2711 (South Hall) at the SPIE Photonics West 2015 exhibition in San Francisco (10-12 February) and will be presented in the LEDs1 Session 12 at 9am on 12 February.

The latest LEDs have been shipped to strategic customers for evaluation, and SETi anticipates production availability for the broader market in April.

"SETi will continue to focus on internal epi, chip and packaging as well as leverage device developments from DARPA and other programs," says president & CEO Emmanuel Lakios.

See related items:

SETi appoints president & CEO

Tags: Sensor Electronic Technology UV LEDs

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