As the COVID-19 pandemic is still posing a threat to worldwide communities, UVC light incorporated products for disinfection are becoming more and more popular. Common applications include upper-room UVC disinfection integrated with lighting fixtures or air cleaners, UVC light embedded robots, UVC light boxes and other portable disinfecting products.
UV-C LED Technology - The Next Revolution
In much the same way that LEDs have revolutionized the display and lighting industries, UV-C LED technology is set to provide new, improved, and expanded solutions in both air and water treatment. Dual barrier, post-filtration protection is now available where mercury-based systems could not previously have been conceivably used.
| Attribute | Conventional Mercury Lamp | UV-C LED | Product Implication |
| Mercury Content | 5-200 mg | None | Safe disposal - no special handling |
| Lifetime | 5,000 - 15,000 hours | 10,000 hours | Flexible operation |
| On/Off Cycles | Max. 4 per day | Unlimited | Intermittent-flow friendly |
| Warm-up Time | Up-to 15 minutes | Instantaneous | Extended replacement intervals |
| Operating Surface Temp. | 100-600° C | Same as process water | Zero-flow friendly does not promote fouling |
| Architecture | Cylindrical tube | Point source | Versatile implementation |
| Durability | Fragile glass tube | Rugged semiconductor | Versatile operation |
| Wavelength | Polychromatic (200-300nm) Monochromatic (254 nm) | Selectable (250-300nm) | No wasted energy & targeted performance |
| Power Supply | 110-240V AC | 6-30V DC | Battery/Solar option |
GMKJ UVC SMD LED main product:
 |  |  |
| 0.5W and 1W 3535 uvc smd led | 4w and 8w 6868 uvc smd led | 4040 60 degree lighting angle uvc smd led |
GMKJ 3535 UVC LED picture:
3535 1W UVC SMD LED specs:
■ Electrical/Optical Characteristics--White (At TA=25°C)
Parameter | Symbol | Conditions | Min | Avg. | Max | Units |
Forward Voltage | VF | IF=150mA | 5.00 | -- | 8.00 | V |
Thermal Resistance Junction To Board | RΘJ-B | IF=150mA | -- | 8 | -- | °C/W |
Radiant Flux | Φe | IF=150mA | 16 | 20 | mW | |
Peak wavelength | λp | IF=150mA | 265 | 280 | nm | |
Temperature Coefficient of Forward Voltage | ∆VF/∆T | IF=150mA | −− | -2 | −− | mV/°C |
Reverse Current | IR | VR=10V | −− | −− | 10 | μ A |
Viewing Angle [1] | 2Θ1/2 | IF=150mA | −− | 100 | −− | Deg |
Package dimensions:
Applications:
UV mercury lamps are larger and heavier comparing to LEDs, thus limiting its applications. Mercury lamps usually serve as a big device installed with fixtures or a large movable lamp which can hardly combined with other applications.
On the other hand, with compacted size, UVC LEDs can be easily integrated with different home appliances like air conditioners, air purifiers or even washing machines. UVC LEDs are often adopted for portable products.
About GMKJ:
GMKJ is an ISO Certificated manufacturer of high quality, high reliability electronic components, formed in January of 2009. Our staff has over 10 years of experience with excellent English. All of our employees have a strong work ethic and a strong commitment to provide the high quality products that consistently meet or exceed our customer's requirements.
Shipping Options:
1. By Express: such as DHL, UPS, TNT, FEDEX etc. The dispatch time is about 10-15 days.
2. Air Freight: when your order more than 100kgs which will be more economical than express.
3. Sea Freight: we will update sea freight once we know your sea port where goods will be delivered.
4. Agent designated by client: please tell us the contact detail of your shipping agent and we will arrange to deliver the items.
UVC LED Chip RFQ:
Q:Is UV-C light effective against coronavirus?
A: UV-C light is effective against all pathogens. However, the level UV exposure required for effective treatment will vary from pathogen to pathogen. Some are very easy to treat with a minimal UV Dose, others are more resilient and need extensive levels of UV exposure. While there is data available on some coronavirus strains, information is currently limited on the effectiveness of UV light on the SARS-CoV-2019 strain behind the COVID-19 pandemic.
Q: Can you disinfect air with UV-C LEDs?
A: Currently, GMKJ LED offers custom designs for air treatment. There are many variables to consider with air disinfection which makes it difficult to offer a single, off-the-shelf product. Any solutions developed by GMKJ LED would be customized to the application. Below is a list of parameters to consider when designing an air treatment system.
General description of application
Flow rate of air
Required level of disinfection (UV Dose, log reduction, pathogen type)
Geometry of the air ducts/channels
Any other relevant information
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