The formal implementation of the "Minamata Convention" has given UVC LED a good opportunity for development, and the sudden epidemic has made UVC LED a hot spot in the industry. Entering 2020, the demand for epidemic prevention and cost reduction will rapidly increase the demand for UVC sterilization and purification products.
TrendForce's latest report estimates that the global UV LED market will reach US$991 million by 2023. In the future, the application market of UVC LED will be huge, focusing on the three aspects of solid, air and water sterilization.
A few days ago, at the 2020 Guangya Exhibition, LEDinside interviewed Shao Jiaping, the global sales leader of OSRAM general lighting, on UVC LED related topics. Shao Jiaping believes that cost and conversion efficiency have always been the difficulties in the development of the UVC LED industry. However, with the continuous advancement of technology and the rapid decline in costs, I believe that UVC LED-related products have the opportunity to quickly market in the future.
According to Shao Jiaping, the current efficiency of traditional mercury lamps is 20%, while the conversion efficiency of UVC LEDs is only 2%. Therefore, to achieve the same sterilization effect, more LED lamp beads are needed and the cost is higher.
How to reduce the cost of UVC LED? Shao Jiaping said that UVC LED is currently in its infancy and its electro-optical conversion efficiency is low, which is equivalent to the blue LED's starting stage more than ten years ago. The dilemma at that time was also low electro-optical conversion efficiency, so the development of the UVC LED industry requires upstream and downstream industries in the industry chain Manufacturers have upgraded their production processes from materials, epitaxy, chips, and packaging.
According to data, the advantage of ultraviolet mercury lamp products is high light power, which is mainly used for sterilization and disinfection in large spaces, such as schools and hospitals. However, UVC LED does not require preheating time and does not use mercury, so it has the advantages of environmental protection, long life, energy saving, and less heat loss.
In addition, UVC LEDs only use a single waveband and the optical power still needs to be increased. There are fewer concerns about irradiation safety, and the advantages of miniaturization of light sources can fully correspond to the market demand for small spaces and surface sterilization.
Affected by the new coronavirus pneumonia, a number of UVC LED products have emerged on the market, including sterilization packs, sterilization box products, maternal and child products, UVC sterilization flashlight products and portable sterilization products, driving the gradual expansion of UVC LED market demand.