LED Technology

Characteristics

Process-Material friendly spectrum

UV-A, 365 nm, 395 nm and visible
No infrared heating of target
Energy Efficient:  10-20%  Electrical to UV Conversion Efficiency

LEDs are Solid State Technology

Instant turn on/off
No warm up time
No wasting energy compared to shutter based lamps
Rugged, shock resistant
Long life:  15,000 to 100,000 operating life

Safe Operation

Low operating voltage
DNA safe wavelengths
Explosion and fire proof in hazardous atmospheres

Environmentally friendly

Ozone Free
Mercury Free

Electrical cable may be longer and more flexible than optical light guides.
Continuous Improvement, Haitz's law (Moore's law for LEDs)

LED performance is doubling every 12-18 months

• Presentation comparing LEDs with traditional mercury bulbs.
  
• Safety Notes on UV LED radiation
  
• Safety Notes on UV LED Explosion Proofing and Electrical Safety
  

Lens Array Technology
Clearstone has developed patent pending lens array technology to bring
the power of multiple LEDs to a focused area.  Alternately, the lens array
technology can be used to increase the practical working distance from
the light source to the target.

• Presentation on Lens array technology
  

Applications
Biological/Medical materials sensitive to exposure to UV-C wavelengths
that may damage critical molecules Electrical assembly with LCD crystals
or Organic LEDs with molecules that are sensitive to UV-C wavelengths
Delicate heat sensitive components, membranes, films, filaments.
Long life UV light source for integration with complex equipment systems

Adhesive assembly
Coating processes
UV triggered fluorescence
Inspection equipment

• Library of LED compatible adhesives, coatings and inks.  
  
• Contact Clearstone to request information on methods to measure the optical power from LEDs.  
  

UV Materials and Process Trade Organization
Radtech International
Trade Association for UV & EB Technology
Contact:  Gary Cohen
6936 Wisconsin Ave. Ste 207
Chevy Chase, MD 20815 USA
Tel:  240-497-1242
Email:  uveb@radtech.org
Website:  www.radtech.org

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