HexaTech’s UVSure™ UV-C LEDs are engineered for long life and stable optical output power using our proprietary high quality bulk Aluminum Nitride (AlN) substrate technology. Designed for operation in the UV-C spectrum between 250 nm and 280 nm, they are packaged in an industry standard and thermally efficient 3.5 mm ceramic SMD format.
• Germicidal Disinfection
• Water Purification
• Surface Sterilization
• Air Purification
• Analytical Instrumentation, Emitters
• Protein Analysis, DNA Sequencing, Drug Discovery
• Forensic Analysis
• Optical Sensing
• Ozone Monitoring
HexaTech UVSure™ UV-C LEDs are optimally designed for the growing global market for germicidal disinfection applications. For over 40 years, UV light between 200 and 280 nm has been used for the disinfection of water, as well as air and surfaces. When microorganisms are exposed to wavelengths between 200 nm and 280 nm, the UV-C energy destroys the DNA within the pathogen, rendering it unable to replicate. Germicidal disinfection peaks at between 260 nm and 265 nm, and HexaTech UVSureTM UV-C LEDs are designed to be most effective at this peak of the disinfection curve.
HexaTech UVSure™ UV-C LEDs are fabricated using our proprietary bulk aluminum nitride (AlN) substrates, combined with our internal MOCVD epitaxial growth process, unique quantum well design, and p-contact structure.
The industry leading lifetime and power density performance we achieve with these LEDs is the direct result of growing low defect AlGaN active layers on HexaTech’s own industry leading ultra-low dislocation density AlN substrates. This enables UV-C LEDs to be fabricated with very high quality epitaxial structures essential to achieve high reliability and long lifetime performance at deep UV wavelengths.
Further, when compared to mercury lamps, HexaTech UVSure™ UV-C LEDs instantly reach 100% intensity when turned on, with the lifetime being independent on the number of on-off cycles, and they are mercury-free.• Long Lifetime
|Attribute||Mercury Lamp||UV LED|
|Bulb Lifetime||10,000 hrs||50,000 hrs|
|Warm-up time||2 - 15 min||Instantaneous|
|On/Off Cycles||Lifetime Degradation||No Degradation|
|Intermittent Flow||10 - 60 min No-flow Limit||Programmable|
|Flow Architecture||Cylindrical Tube||Adjustable/Versatile|
|Drive Circuits||Complex||Simple, Compact|
|Voltage||110 - 240 VAC||6 - 30 VDC|
|Emission Wavelength||Polychromatic Fixed||Customizable|
|Ruggedness||Glass Tube||Shock Resistant Semiconductor|
|Heavy Metals||Mercury (20 - 200 mg)||None|
HexaTech is developing a broad portfolio of UV-C LEDs with a focus on producing high power density, high efficiency single chip packaged components. Our product roadmap includes increasing optical output power, output power density and efficiency, all while maintaining exceptionally long lifetime performance.
Long lifetime performance for UV-C LEDs is achieved by using bulk AlN. AlN substrates enable the growth of high-quality, Al-rich AlGaN device structures that emit in the deep UV spectral range. For emission wavelengths in the deep UV spectrum (200 – 280 nm), over 70% aluminum can be required in the AlGaN structure. HexaTech’s world-leading low dislocation density single crystal AlN substrates are closely lattice matched with the high aluminum content in the AlGaN quantum well structure. We achieve industry-leading lifetimes through our extensive experience with bulk AlN, internal MOCVD homoepitaxial growth process, and our unique LED structures. Through our core competencies in crystal and epitaxial growth, HexaTech UVSure™ UV-C LEDs are leading the industry in lifetime performance.
High Power - AlN substrates have superior thermal conductivity compared to sapphire substrates. Our product roadmaps include increasing optical output power density while maintaining long lifetime performance.
High Efficiency – LEDs fabricated on highly transparent substrates with high crystalline structures enable very high internal quantum efficiency. When coupled with our optimized LED structures, we are able to provide industry leading performance.
Low Cost Packaging Solutions – For high volume cost sensitive consumer and industrial applications, we have developed several low cost packaging solutions – including thermally efficient 3.5 mm ceramic SMD packages and a non-packaged AlN sub-mount configuration.