Application status of UVLED ultraviolet rays in various industries
With the continuous deepening of LED development, the continuous expansion of technological innovation and application of LED, the LED market is also becoming more and more broad. LED has gradually entered our field of vision, and there are some companies involved in UV LED research, improvement and application. For the general public, proper UV wavelengths are necessary for our bodies. So we must understand today that UVLEDs are mainly used in the field.
The so-called ultraviolet (ultraviolet/ultraviolet for short) refers to sunlight in visible light (red, orange, yellow, green), and the naked eye cannot see purple light. The electromagnetic spectrum of the ultraviolet spectrum generally starts from 10 nm to 400 nm. According to the different wavelengths of ultraviolet rays, they can generally be divided into three bands: A, B, and C: UVA is 400~315 nm, UVB is 315~280 nm, and UVC is 280~100 nm. Corresponding to different wavelengths, different specific applications.
In UVLED market applications, UV-A has the largest market share, up to 90%. Its main market is curing, involving nails, teeth, ink and other fields. In addition, UV-A can also import commercial lighting to make whites look whiter. Since UV-B and UV-C are mainly used for sterilization, disinfection, and medical light therapy, UV-B is mainly medical, and UV-C is sterilization. In addition, from the development of UVLED biomedicine, safety identification, air purification, data storage and military aviation markets to light curing resin, insects, printing, biomedicine, safety identification, air purification, data storage and disinfection and other markets, mainly special illumination.
Application of light curing system:
Typical applications UVA band is used for UV curing and UV inkjet printing representing 395 nm, 365 nm, UV LED curing applications include display, electronic medical equipment and other industries. UV LED violet curing in UV automobile and other industries; UV ink curing in printing, packaging and other industries... The UV LED decoration industry has become a hot topic. The biggest advantage is the production of zero formaldehyde environmental protection board, as well as 90% energy saving, high yield, scratch-resistant coins, comprehensive benefits and economic advantages. This means that the UV LED curing market is a comprehensive application and life cycle of the product market.
Microelectronics industry-UV curing applications: assembly of mobile components (lenses, headphones, microphones, housings, LCD modules, touch screen coatings, etc.), hard disk assemblies (gold wire fixing, bearings, coils, chip bonding, etc.) DVD/digital cameras (lens). Lens bonding, circuit board reinforcement), motor and component assembly (wires, coil fixing, coil end fixing, PTC/NTC component bonding, transformer core protection), semiconductor chips (moisture-proof protective layer covering wafer, wafer inspection and contamination). UV exposure tape, wafer polishing inspection), sensor production (gas sensor, photoelectric sensor, fiber sensor, optical encoder, etc.).
PCB industry LED UV curing applications: components (capacitors, inductors, plug-ins, screws, chips, etc.) fixing, moisture absorption core circuit, chip protection, anti-oxidation coating protection circuit board corner (corner) coating, grounding, flying leads, Coil fixing, wave soldering hole cover.
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