LG Innotek reported that it mass-produced 275nm UV-C LEDs which emit in the “C” region (200 ~ 280 nm) of the UV spectrum for sterilization and began supply to a global consumer electronics company this month.
LG Innotek’s UV-C LED products will be included in the consumer electronics lineup such as air cleaner, water purifier, toothbrush sterilizer, and other sanitary products. A test performed by Korea Conformity Laboratories (KCL) found that this product removes 99.99% of E. Coli, salmonella, and other germs within 5-liters of water contained in 25 minutes; this is as effective as the existing mercury UV lamp.
UV-C LED has drawn much attention as an attractive alternative to the mercury UV lamp due to its numerous advantages including high efficiency, long life, ultra-compact size, and eco-friendliness. However, until recently, only sample quantities of UV-C LEDs were circulated in the industry because of limitations in power and emission wavelengths.
LG Innotek has developed a proprietary LED optimization technology to improve the optical power of a UV-C LED chip up to 10 mW at 100mA, the world’s highest. It has also improved optical efficiency by 15% compared to the mercury lamp, consuming less electrical power.
The company’s UV-C LED measures 6.8mm x 6.8mm and has a depth of only 1.35mm. It has been tested to provide 10,000 hours of operation life time, which is 1.5 times longer than the mercury lamp. Moreover, its “instant-on” nature means it does not need any warm-up time to achieve start the purification/sterilization process, unlike the mercury lamp that could require over 10-minutes to reach its full power.
Unlike UV lamps, this LED product does not use potentially hazardous heavy metals such as mercury. It offers high safety, high durability, and water proof performance. It achieved the IPX7 level of Ingress Protection rating, meaning its performance is unchanged even after being submerged in water at 1 m depth for 30 minutes.
LG Innotek said “Since our last April’s announcement of the mass production of UV-A (365~400nm) LED, which is used in industrial areas, we have further advanced our UV LED technology by the mass-production UV-C LED for purification/sterilization applications. LG Innotek offers the best UV LED chip, package, and module solutions for our customers”
According to “UV LEDs report” by Yole Development, a France-based market research company, the UV LED market is forecast to grow from 100 million dollars in 2014 year to 270 million dollars in 2017 (43% annually). Korean market research company, SNE Research, also expects the share of LEDs in the UV light source market to increase from 11% in 2012 to 62% in 2018.
About LG Innotek, Ltd:
LG Innotek is a leading global electronics components manufacturer and an affiliate of LG Group. LG Innotek was established in 1970 and recorded $5.7 billion in sales in 2013. The company specializes in components for the smartphone, automotive and LED lighting sectors, including camera modules, automotive electronic components, LED, and substrate materials. It is the world’s largest manufacturer of camera modules.
In the LED sector, LD Innotek has vertically integrated the entire manufacturing process from Epi-wafers and chips to packages and modules, while providing LED products optimized for lighting, mobile, display and automotive applications.
LG Innotek is listed on the Korea Exchange (011070 KS).For more information, visit www.lginnotek.com
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