UV LED, or ultraviolet light-emitting diode, is a type of solid-state lighting technology that emits light in the ultraviolet (UV) spectrum. Over the past decade, UV LED technology has experienced rapid development and is now widely used in various fields such as printing, curing, medical, and environmental protection. This article will introduce the industry of UV LED, covering its development history, application fields, market trends, and future prospects.

Development History of UV LED

UV LED technology was first developed in the 1970s. However, due to the limitations of material technology and manufacturing processes at that time, the performance of UV LED was not ideal. It was not until the late 1990s that the development of GaN-based UV LED technology began to accelerate. With the continuous optimization of material and device structures, the output power, efficiency, and stability of UV LED have been significantly improved, making it widely used in various fields.

Application Fields of UV LED

UV LED has a wide range of application fields, including:

1. Printing Industry

In the printing industry, UV LED is mainly used for curing inks and coatings. Compared with traditional UV curing technology, UV LED has the advantages of high efficiency, low energy consumption, fast curing speed, and no heat generation, which can effectively improve the quality and production efficiency of printed products.

2. Curing Industry

In the curing industry, UV LED is used for curing adhesives, paints, and coatings. It can effectively improve the curing speed, reduce the energy consumption, and improve the quality of the cured products.

3. Medical Industry

In the medical industry, UV LED is used for sterilization and disinfection, which has a significant effect on preventing and controlling infectious diseases. In addition, UV LED is also used in the treatment of skin diseases, such as psoriasis and vitiligo.

4. Environmental Protection Industry

In the environmental protection industry, UV LED is used for water and air purification, which can effectively remove bacteria, viruses, and other harmful substances, ensuring the safety of water and air quality.

Market Trends of UV LED

The market demand for UV LED is growing rapidly. According to statistics, the global UV LED market size reached $1.6 billion in 2019, and it is expected to reach $5.5 billion by 2025, with a compound annual growth rate of 24.5%. The main reasons for the rapid growth of the market are as follows:

1. Technological Advancements

The continuous improvement of UV LED technology has led to higher output power, higher efficiency, and longer lifespan, which has promoted the application of UV LED in various fields.

2. Policy Support