Ultraviolet Light Emitting Diodes / UV LED have numerous applications
across various industry fields. Applications include displays, lightings / UV lamp,
spectro-fluorometry, photo-catalytic reactions, high-resolution optics,
counterfeit detection, chemical detection, medical applications, UV air purifier,
along with countless other UV activation related applications.
UV LED can offer sharper peak profiles, lower power consumption, longer life,
and more compact profiles compared to conventional UV lamp.
Space propagation based optical transmission is suitable for short-range communications
because they do not rely on cables or electrical waves. However, due to interference
from sunlight and rays from light producing equipment, they can only be used
in special environments. Because the intensity of sunlight and fluorescent lamps
becomes abruptly weaker at wavelengths shorter than 380nm, light sources with
wavelengths less than 380nm enable effective signal transmission in the dark.
UV rays has been widely used for erasing EPROMs (Electrically Programmable Read Only Memory),
i.e. by exposing the EPROM under UV rays for a few seconds. During semiconductor manufacturing,
specifically the lithography stage, UV rays is used to expose the photoresist
and define mask patterns on the wafer. During counterfeit detection, UV rays will be reflected
by counterfeit bills, and an UV sensor will activate the alarm. UV rays can also be used
for chemical detection and the analysis of human genomes.
Recently, UV rays have been found effective in cancer treatment, and various
research programs have been underway. Applications to build environmental equipment
through the use of UV rays, in conjunction with photo-catalytic reactions
to decompose toxic substances into non-harmful components, are attracting attention within
the industry as well.
Large-scale UV lamp units currently available in the marketplace have
limited applications due to their size. If a 0.3mm UV emitting device is manufactured,
numerous other applications can be developed. UV detectors without sensitivity
to sunlight have been developed at many research centers, however, UV LED as
a source has not been widely recognized.
We have recognized this need in the marketplace and would like to offer our
products in an attempt to help develop these applications that can benefit from
UV LED technology. Below, we provide some technical data of our UV LED applications
on UV lamp.