[Source: High-tech LED "LED Good Products" January issue (total 61) Wen|Xu Chaopeng] In recent years, the application of domestic UV LED technology has developed relatively rapidly, including Qingdao Jiesheng, Xi'an Zhongwei and other enterprises are domestic The first group of players in the field. In June of this year, Hongli Optoelectronics and Qingdao Jiesheng launched a strategic cooperation agreement to jointly develop the UV LED market, which also marks that some domestic large LED companies have begun to enter the UV LED market.
"Current UV LED technology is mainly used in biomedical, anti-counterfeiting, air purification, data storage and military aviation. It is mainly based on special lighting. With the continuous development of UV LED technology, new application products will continue to emerge to replace the original There are products in the field," said Qiao Wei, senior project leader of Hongli Optoelectronics.
In addition, UV LEDs are also widely used in photocuring, UV development, rock detection, trace detection, and archaeological applications. Moreover, Europe, Japan, the United States and other countries and regions will realize the replacement of mercury-excited ultraviolet light source in some application fields within 3-5 years, and GaN-based ultraviolet LED will be the only solid-state light source to replace the mercury-excited ultraviolet light source. Program.
Compared with the traditional mercury lamp, the ultraviolet LED has the following advantages: First, the ultraviolet LED can freely control the band, while the conventional mercury lamp is a full band, and its spectral peaks are more; second, the ultraviolet light unit area light intensity ratio The mercury lamp is more than 1000 times higher, but the light output consumes only 1/10 of the mercury lamp. Third, the UV LED is not affected by the chemical equilibrium conditions such as temperature, concentration and activity. The sterilization process can be non-toxic and non-toxic. Residue, no odor, especially suitable for disinfecting the surface of air, water and objects.
“And, currently, different types of UV devices have different uses. For example, A-band (200-280nm) is often used for water, air and surface disinfection; while B-band (280-315nm) is used for light. Medical, protein analysis and drug testing; C-band (315-400nm) for UV curing, anti-counterfeiting technology, solarium, lithography, photocatalysis and other fields." Chaucer mentioned.
"In fact, currently in the domestic UV LED market, more applications should belong to the A-band, which is used in the curing field. For example, in the curing of organic rubber, its cost performance and technology have gradually matured, and the output is gradually increasing. There are very few application products in the band, which is caused by the difficulty of its own manufacturing process. At the same time, under the same price conditions, the power of C-band products is still lower than other bands.†Zhang Guohua, general manager of Qingdao Jiesheng Electric Co., Ltd. Tell the reporter.
“However, considering the wide application characteristics of C-band UV LEDs, Qingdao Jiesheng has developed C-band UV LED products this year, and it is one of the few domestic manufacturers. It is currently in the market supply stage. The unit price of the product is about 50-100 yuan." Zhang Guohua said that the company's next goal will be to further reduce costs, in order to achieve the price target of 20 yuan on the premise of mass supply.
"Current UV LED technology is mainly used in biomedical, anti-counterfeiting, air purification, data storage and military aviation. It is mainly based on special lighting. With the continuous development of UV LED technology, new application products will continue to emerge to replace the original There are products in the field," said Qiao Wei, senior project leader of Hongli Optoelectronics.
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In addition, UV LEDs are also widely used in photocuring, UV development, rock detection, trace detection, and archaeological applications. Moreover, Europe, Japan, the United States and other countries and regions will realize the replacement of mercury-excited ultraviolet light source in some application fields within 3-5 years, and GaN-based ultraviolet LED will be the only solid-state light source to replace the mercury-excited ultraviolet light source. Program.
Compared with the traditional mercury lamp, the ultraviolet LED has the following advantages: First, the ultraviolet LED can freely control the band, while the conventional mercury lamp is a full band, and its spectral peaks are more; second, the ultraviolet light unit area light intensity ratio The mercury lamp is more than 1000 times higher, but the light output consumes only 1/10 of the mercury lamp. Third, the UV LED is not affected by the chemical equilibrium conditions such as temperature, concentration and activity. The sterilization process can be non-toxic and non-toxic. Residue, no odor, especially suitable for disinfecting the surface of air, water and objects.
.jpg)
“And, currently, different types of UV devices have different uses. For example, A-band (200-280nm) is often used for water, air and surface disinfection; while B-band (280-315nm) is used for light. Medical, protein analysis and drug testing; C-band (315-400nm) for UV curing, anti-counterfeiting technology, solarium, lithography, photocatalysis and other fields." Chaucer mentioned.
"In fact, currently in the domestic UV LED market, more applications should belong to the A-band, which is used in the curing field. For example, in the curing of organic rubber, its cost performance and technology have gradually matured, and the output is gradually increasing. There are very few application products in the band, which is caused by the difficulty of its own manufacturing process. At the same time, under the same price conditions, the power of C-band products is still lower than other bands.†Zhang Guohua, general manager of Qingdao Jiesheng Electric Co., Ltd. Tell the reporter.
“However, considering the wide application characteristics of C-band UV LEDs, Qingdao Jiesheng has developed C-band UV LED products this year, and it is one of the few domestic manufacturers. It is currently in the market supply stage. The unit price of the product is about 50-100 yuan." Zhang Guohua said that the company's next goal will be to further reduce costs, in order to achieve the price target of 20 yuan on the premise of mass supply.
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