UV LED latest technological achievements displayread count [269] release time：2020-03-26 22:13:00
UV is closely related to our lives, UV light source Widely used, such as plant lights, photocatalytic purification, gemstone identification, UV curing , medical light therapy, protein detection and medical inventions, medical detection and analysis, ink printing, sterilization and disinfection, banknote inspection, etc.
At present, the deep ultraviolet LED market in my country has not yet been fully opened. Due to the high technical difficulty, many companies that want to enter this field are deterred. However, as the LED market becomes increasingly saturated, companies that want to gain something in the LED market must not only have a vision for discovery, but also need strong technical support. The National Ultraviolet Light Source and Device Technology Seminar held in Wuxi in the past two days allowed more than a hundred participants to learn about the latest research results and industry trends, and to feel the unremitting pursuit of technological progress by front-end practitioners.
Application of UV in plant factories
According to Liu Wenke, a researcher at the Institute of Agricultural Environment and Sustainable Development of the Chinese Academy of Agricultural Sciences, closed soilless cultivation is prone to accumulation of autotoxic substances, and TiO2 photocatalysis can degrade root exudates and rice husk degradation products in the matrix cultivation nutrient solution. Sunlight only contains 3% of ultraviolet light, and facility covering materials such as glass filter out more than 60%, making it unsuitable for use in facilities. The low temperature and lack of sunlight in winter for vegetable off-season cultivation make it inefficient and unstable, and cannot meet the needs of factory production of facility vegetables.
The development of artificial light TiO2 photocatalytic system suitable for soilless cultivation in facility horticulture, especially suitable for use in plant factories, is in urgent demand and has huge commercial potential. There are more than 60 artificial light plant factories in my country, and tens of thousands of hectares of multi-span greenhouses are cultivated.
UV LED is the nemesis of PM 2.5——
Application in various oil fume purification equipment
According to a report from Haining Yaguang, the ultraviolet photolysis and oxidation oil fume purification system is currently the most advanced photolysis and oxidation oil fume purification system in China. In this purification system, a specially designed ultraviolet lamp containing 185nm+254nm plays a core role. It can decompose grease and odors in the kitchen air, and has the advantages of no secondary pollution, reduced fire hazards, small size, light weight, and greatly reduced maintenance costs.
Applications in UV LED light curing systems
UV LED light curing applications include applications in display screens, electronic medical, instrumentation and other industries UV glue Adhesive curing; UV coating curing in building materials, furniture, home appliances, automobiles and other industries; UV ink curing in printing, packaging and other industries... Among them, the UV LED decorative panel industry has become a hot spot. The biggest advantage is that it can produce zero-formaldehyde environmentally friendly panels, with 90% energy saving, large output, coin scratch resistance, comprehensive economic benefits and other advantages.
Application in organic waste gas treatment in textile industry
According to reports, the total VOCs emissions from my country's textile industry account for about 30% of the total industrial VOCs emissions. VOCs are one of the precursor substances that generate haze and are an important component in the formation of PM2.5. Photocatalytic oxidation using UVLED as a photocatalytic light source is a better way to treat VOCs. It has the advantages of small size, high catalytic activity, stable chemical properties, low cost, non-toxicity, etc., and has broad application prospects.
What will happen to UV lamps in the future?
In 2012, the sales volume of traditional UV lamps reached 33.2M, and the turnover reached $495.4M. The UV LED business will grow rapidly from $45M in 2011 to $270M in 2017. During this period, the UV LED ($M) market will grow 6 times, while the growth of low-pressure UV mercury lamps during the same period is only 1.6 times.
The curing market is the only comprehensive and full-cycle application product market.
UVA LED will quickly replace 50% of the low-pressure mercury lamp market. The actual capacity of the UV market (Total $460M), the actual capacity of UV LED (Total $60M), and the actual capacity of UVA LED (Total $52M). In the low-end market, UV LED is dominated by UVA (which maintains a fairly stable annual growth of 40%). The wide wavelength selectivity of UVA LED will dominate the curing market, and the current market share is small. The UVLED curing product market should be concentrated on the development of single-point curing UVLED equipment It will occupy more than 95% of the market share in the next five years.
