The ALEO LE-S1 is a high-intensity focused spotlight LED light engine that is designed for working in small spaces and short distances. With a diameter of about 10 mm, this UV LED PCBA can fit into small geometry UV curing devices and systems that require high intensity in a small area of interest. It can reach intensities of over 23 W/cm2 and boasts a uniformity of over 90%. The LE-S1 features low heat generation and an LED life of 20,000 hours. 

The ALEO LE-S1 can be paired with a range of accessories to provide increased performance and flexibility. 

Standard wavelengths available in 365 nm, 385 nm, and 405 nm. Custom wavelengths available upon request. 

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  • Surface mount technology
  • High thermal conductivity metal core-based PCBs
  • 1 high power UV LED
  • 1 RTD sensor
  • Intensity up to 23W/cm2
  • Focused 5mm working distance
  • Uniformity over 90%
  • Circular form with diameter ≥10mm
  • Dimmable from 10-100%
  • 20,000 hour LED life
  • Low heat generation
  • Available in 365, 385, 405nm



Wavelength Version 365 nm 385 nm 405 nm Custom Wavelength
Max Output Flux 1.4W 1.65W 1.63W Contact us for details
Max Input LED Current 1.4A 1.4A 1.4A Contacts us for details
Max Input LED Voltage 3.8V 3.8V 3.8V Contacts us for details
Board/LE Size 13 x 12.6mm 13 x 12.6mm 13 x 12.6mm Contact us for details
Type of Connection Wire Soldering on PCB Wire Soldering on PCB Wire Soldering on PCB Contact us for details
Max board temp 50°C 50°C 50°C Contact us for details
LED Lifetime 20000hrs 20000hrs 20000hrs Contact us for details
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ALEO Capabilities


ALEO has the capabilities to develop custom LED solutions that fit your needs. We utilize our expertise in optical, electrical, thermal, and mechanical engineering to develop solutions that meet the specific requirements of your application. By working closely alongside customers, we provide support with your LED technology journey.

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ALEO light engines and LED solutions are designed to integrate and improve upon systems and processes in these industries.

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3D Printing

ALEO light engines are ideal for UV LED systems used in the post-curing of 3D printed parts. Our high-quality optics enable UV LED curing systems to cure resins quickly and efficiently, resulting in stronger, more durable 3D printed parts.


By integrating them into UV LED systems, ALEO light engines can be used for critical applications in medical device manufacturing and medical instrument sterilization. 

Electronics Manufacturing

ALEO provides LED solutions for light-curing systems used in electronics manufacturing. Our LEDs offer fast and effective curing times for UV curable coatings, potting, and ruggedization.

Industrial Coatings

ALEO UV LED light engines provide effective curing solutions for industrial coating applications, resulting in quick and precise cures.


ALEO offers UVC LED light engines for sterilization and disinfection applications. These UVC light engines can be utilized in a variety of environments as they function to remove hazardous germs. 

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