In recent years, the LED lighting market has intensified competition and profits have been continuously compressed. In order to seek profitable space, manufacturers have begun to explore the high-margin application market and actively deploy potential niche markets such as automotive lighting, infrared (IR) and ultraviolet (UV) LEDs. .
UV LED is an LED that emits ultraviolet light of different wavelengths from 200nm to 400nm. It can be applied to various fields such as sterilization, air purification, medical treatment, gas detection, food manufacturing, and beauty according to different wavelength ranges. Compared with traditional mercury lamps, UV LEDs have the characteristics of energy saving, less heat loss, long life, and concentrated curing wavelengths. Therefore, they are favored by the market and are becoming a new blue ocean in the LED field. At present, UV LEDs are gradually replacing traditional UV light sources. Yole development expects the market size of UV LEDs to reach $150million in 2016, and the market share in the traditional UV market will increase from 10.4% in 2011 to 28.1% in 2016.
Figure 1 UV LED accelerates the invasion of the traditional UV light source market (Source:Yole development)
UV LED applications are favored
Depending on the wavelength of the luminescence, the field of UV LED applications varies. UV-A field (315~400nm) is mainly used in industrial curing equipment, money detectors, etc.; UV-B field (280~315nm) is mainly used in therapeutic and analytical instruments, vitamin D synthesis, etc. in medical/biological fields. The UV-C field (280~200nm) is mainly used in environmental fields such as sterilization/purification/clean water.
Figure 2 UV LED application fields with different emission wavelengths
Green Viophoton technology
Currently, UV LED solution provider Seoul Viosys has launched Viophoton technology for the first time in the world. Viophoton technology is based on the photocatalytic reaction of titanium dioxide with ultraviolet light to produce a free hydroxyl radical and active oxygen with strong oxidizing ability. It has a strong photo-oxidation and reduction function, which can oxidize and decompose various organic compounds and some inorganic substances, and can destroy bacteria. The cell membrane and the protein that cures the virus, which kills bacteria and decomposes organic pollutants (VOC), decomposes organic pollutants into non-polluting water (H?O) and carbon dioxide (CO?), thus extremely sterilizing, Deodorization, mildew proof, anti-fouling and self-cleaning, purifying air function. It purifies the harmful substances such as formaldehyde and ammonia released from interior decoration materials and furniture through adsorption and catalysis of harmful substances; it is green and environmentally friendly, and is very suitable for environmentally friendly products.
Figure 3 Principle of sterilization and removal of organic pollutants (VOC) by UV lamps
The following picture shows the comparison of formaldehyde, ammonia, acetic acid and other substances in Viophoton technology of Seoul Viosys and other company's technical solutions. It can be seen that Viophoton technology is obviously superior to other solutions.
Figure 5 Comparison of UV LEDs with other purification technologies
In daily life scenes, the air quality in the interior and in the car is directly related to human health, and the consumer demand for air purifiers is also increasing. Test data shows that the air purifier with Viophoton technology is 10 times more efficient than the ordinary purifier.
Figure 7 Viophoton technology removes organic pollutants (VOC) such as formaldehyde and ammonia in the car and home.
Shijian company solution
As an authorized agent of Viosys in Seoul, Shijian can provide UV LED lamp bead products as well as UV LED integrated solutions, and can provide customers with customized modules to shorten the time to market.
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