LEDINTRO UVLED Customized Solutions
LEDINTRO UVLED Customized Solutions
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Far-UVC

Far-UVC (typically 222nm/230nm) is uniquely safe for human exposure: its short wavelength only penetrates single-celled organisms (like bacteria/viruses, ~0.1μm) but cannot pass through the outermost layer of human skin (stratum corneum, ~10μm) or the tear film of the eyes.

Features

  • Light Source for Sterilization and Medical Application

  • Lighting Color(Peak Wavelength): 230 nm

  • Surface Mount Type LED: 3.6 × 3.6 × 1.5 [Unit : mm]

  • Soldering Methods: Reflow Soldering

Application

  • Disinfection, Phototherapy, Fluorescent Spectroscopy, Sensor Light, Bio-Analysis / Direction, Counterfeit Detector etc.

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If you have any needs regarding Far-UVC, please feel free to contact us for the latest Far-UVC product information or project progress.
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Far-UVC (approximately 200–230 nm) is commonly used for rapid disinfection of air and surfaces, and can be found in settings such as hospitals, offices, and schools. Due to its shallow penetration depth, most of its energy is absorbed by the outermost layer of the skin and eyes. Therefore, under strict dosage control and the use of compliant equipment, it is considered to have a lower risk of human exposure than traditional UVC.

Far-UVC Safe Sterilization

Scientific Evidence Supporting Far-UVC LED Safety and Antiviral Performance.

Recent research presented at MEDICA 2025 demonstrates that 235 nm Far-UVC LEDs achieved up to 99.999% inactivation of dangerous influenza viruses within seconds in university laboratory tests, highlighting the effectiveness and safety of Far-UVC LED technology for continuous disinfection in occupied environments.

Far-UVC Experimental Study

Díaz DFZ et al. Skin optical properties from 200 to 300 nm support far-UV-C applications (2023) (Learn more)

ICNIRP/Expert Summary Statement (Conference Materials): Far-UVC is generally safer at <≈230 nm, but needs to be evaluated according to exposure limits and measurement methods.

Experiments on human skin biopsy samples showed that 222 nm Far-UVC has very limited penetration into the skin surface. (Learn more)

No skin cancer, skin abnormalities, or pathological lesions were observed in animals after long-term (approximately 66 weeks, multiple hours per day) exposure to 222 nm Far-UVC. (Learn more)

Far-UVC Pentagonal Sterilizing Balls

Far-UVC pentagonal sterilization balls are inlaid with ten UV LED beads and can use the 222nm ultraviolet band. 220-230nm ultraviolet rays cannot penetrate the skin layer and are harmless to human skin, so sterilization can be achieved in a way that allows humans and machines to coexist.

It is suitable for sterilization scenarios where the human body comes into direct contact, such as wardrobes, cars, and indoor spaces.