UV COB LED, which uses semiconductor light emitting diode (LED) chips to directly emit specific wavelengths of ultraviolet light through electronic transitions (common wavelengths include 365nm, 385nm, 395nm, 405nm). Its advantages are very significant: it belongs to low-temperature light sources, with extremely low heat generation, and will not cause thermal damage to precision or poorly heat-resistant objects; Energy saving and efficient, saving over 80% of energy compared to mercury lamps; Extremely long lifespan, LED’s service life can reach 20000-30000 hours, more than ten times that of mercury lamps; Green and environmentally friendly, mercury free, pure spectrum, no need for additional ozone protection measures.
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Its key performance indicators:
Wavelength: The unit of measurement is nanometers (nm). It needs to match the absorption peak of the photoinitiator used, otherwise it will significantly reduce efficiency. Common wavelengths include 365nm, 385nm, 395nm, etc.
Intensity: measured in watts per square centimeter (W/cm ²). Used to measure the ultraviolet power density per unit area, the higher the light intensity, the faster the curing speed.
Energy Dose: measured in joules per square centimeter (J/cm ²). It is the integral of light intensity and time (light intensity x time), which determines whether the total energy required to initiate a chemical reaction is sufficient and is a key parameter to ensure thorough curing.
The application scope of UV COB LED is extremely wide: in the field of 3D printing (such as SLA/DLP/LCD technology), high-precision model construction is achieved by layer by layer irradiation of liquid resin; In the nail art industry, nail polish can quickly harden on the surface of the nails, showing a long-lasting and bright luster; In the field of industrial printing and coating, UV ink, UV varnish, etc. are used to achieve instant drying and greatly improve production efficiency; In the electronic manufacturing industry, it is used in key processes such as chip packaging and solidification of circuit board solder mask green oil; In the medical field, it is used for curing dental filling resins, assembling and bonding medical devices, etc; In the wood furniture industry, achieve rapid curing treatment of UV paint surface.
We provide customized UV COB LED light source services to provide a complete solution for your curing project.
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