UV disinfection and sterilization

semiconductor UVC LED UV sterilization technology

deep ultraviolet UVC band (240-280nm) Can efficiently destroy microorganisms DNA/RNA structure, Realize broad-spectrum and efficient sterilization and disinfection

DNA Failure Mechanism

UVC Exposure causes DNA Adjacent thymines on the chain form dimers, hinder DNA Normal replication and transcription

Broad spectrum sterilization

Can kill bacteria, virus, Spores and other microorganisms, High sterilization efficiency, No chemical residue

Safety and Environmental Protection

Physical sterilization process, No chemical residue, Safe and harmless to human body and environment

UVC LED Sterilization spectrum and dosage advantages

UVC LED Technology can achieve precise wavelength output, target, aim at, address, focus on, in response to DNA/RNA The optimal absorption zone for proteins, High sterilization efficiency, Dose controllable

Effective sterilization band

UVC LED Can accurately output the most effective wavelength for sterilization, Realize efficient sterilization and disinfection.

Optimal sterilization wavelength
265nm: DNA absorption peak, International authoritative recommendation
275-280nm: Peak protein absorption, Good overall effect
240-280nm: UVC LED coverage
Photon energy characteristics
UVC band (240-280nm) 599-428 kJ/mol
Nucleic acid pyrimidine baseπkey ~230 kJ/mol
Protein peptide bond (C=O) ~350 kJ/mol
Protein peptide bond (N-H) ~270 kJ/mol

Common microbial killing doses

Different microorganisms affect UVC Different sensitivities, Different irradiation doses are required to achieve effective killing.

Killing dose table (μWs/cm²)
organism 90%kill 99%kill
Escherichia coli 3000 6600
Staphylococcus aureus 4400 8500
Spores of Bacillus subtilis 5800 11000
corynebacterium diphtheriae 3370 6510
Salmonella typhi 2140 4100
Mycobacterium Tuberculosis 6200 10000
coronavirus 3000 6600
influenza virus 4400 8000
Dose description
90%kill: 1 LOG Reduction
99%kill: 2 LOG Reduction
The specific dosage depends on the type of microorganism, Slight differences in environment, etc

UVC LED Advantages compared to traditional mercury lamps

Compared to traditional UV mercury lamps, UVC LED Has non-toxic and environmentally friendly properties, Small power step, long lifespan, Quick opening, Significant advantages such as compact structure

semiconductor UVC LED advantage

Adopting solid-state semiconductor technology, Has multiple advantages that traditional mercury lamps cannot compare to.

Technical Characteristics
point light source: Concentrated light intensity, high efficiency
dc power: No need for high-frequency ballasts
10-100ms Repeatedly opening it has no effect
Solid state semiconductor: structurally stable
lifespan: 20000-40000 hour
Compact and compact structure: Easy to integrate
Small power step: Energy-saving and environmental protection
Fast opening speed: immediate response
Eco-friendly and non-toxic: Mercury free pollution
Application advantages
Direct photovoltaic input is possible No need for high-frequency ballasts
Less head loss Mercury free lamp support plate
Small overall size Small installation space

Disadvantages of traditional mercury lamp light source

Traditional mercury lamps have multiple technical defects and environmental safety hazards.

technical defects
line light source: Light intensity dispersion, inefficient
High frequency AC power supply: Need ballast
preheat 10-30min, most 4 time/sky
Fragile quartz tube: Poor mechanical strength
lifespan: 1000-5000 hour
Huge structure: Difficult to integrate
Large power step: high energy consumption
Slow opening speed: Need preheating
mercury content 20-600mg: toxic pollution
safety risk
Mercury accumulated in the human body cannot be excreted
Acute poisoning threshold: 1-3 mg/m³ (3-5 Hour exposure)
Chronic poisoning threshold: 0. 01 mg/m³ (chronic exposure)

Countdown to EU ban on mercury containing ultraviolet lamps

According to the European Union RoHS command, Mercury containing ultraviolet lamps will be used 2027 year 2 moon 24 Comprehensive daily ban. Understand the background of the ban, Technical challenges and solutions.

View zero mercury countdown

Authoritative verification and application cases

UVC LED The technology has been verified by multiple authoritative institutions, Exhibiting excellent bactericidal effect in practical applications

Authoritative verification

Tested by Hubei Provincial Center for Disease Control and Prevention
LP10QBB The lamp bead is realized in the standard test of killing COVID-19 Delta virus strain 99. 99%killing effect (1min)
International Standard Certification
comply with WHO, EPA Waiting for international authoritative institutions UVC Sterilization standards
third-party testing
pass SGS, TÜV Waiting for certification from international authoritative third-party testing institutions

Application field

Water treatment disinfection
drinking water, sewage, Disinfection treatment of swimming pool water, etc
air purification
Indoor air disinfection, HVAC System sterilization
Surface sterilization
medical device, Surface disinfection of food processing equipment
portable device
Handheld sterilizer, Vehicle mounted disinfection equipment

Summary of Technical Advantages

Highly Effective Sterilization
99. 99%Killing rate, 1 Complete disinfection within minutes
Safety and Environmental Protection
No chemical residue, Mercury free pollution, For human safety
Energy saving and longevity
lifespan 2-4 10000 hours, low energy consumption, Low maintenance cost
intelligent control
Adjustable light intensity, Instant switch, remote control

UVC LED Summary of Technical Core Advantages

Accurate wavelength output, High sterilization efficiency
Broad spectrum sterilization, Suitable for various microorganisms
Physical sterilization, No chemical residue
Compared to mercury lamps, it is non-toxic and environmentally friendly, long lifespan
Compact and compact structure, Easy to integrate applications
intelligent control, Energy-efficient