A New Choice for Precision UV Applications! This UV-LED Light Source Module Delivers Both High Power and Superior Stability

In fields such as precision manufacturing and scientific‑research experiments, the performance of light sources directly determines working efficiency and accuracy. Conventional light sources suffer from insufficient power, poor stability and limited application adaptability, making them incapable of meeting today’s diverse demands for precision ultraviolet applications. Litonics presents its UV‑LED lighting product series, including UV‑LED fiber‑coupled light sources and space‑coupled LED & LD hybrid illumination systems. Featuring flexible wavelength selection, adjustable power output, intelligent control and broad‑scene compatibility, the full portfolio fully addresses core industrial and research requirements and delivers innovative solutions for precision ultraviolet applications.

UV‑LED Fiber‑coupled Light Source

This product series consists of high‑performance UV‑LED illumination modules and fiber‑coupled light source modules, specifically engineered for diverse precision ultraviolet applications. The UV‑LED fiber‑coupled light source offers multiple central wavelengths (365 nm, 385 nm, 405 nm, 435 nm) with fiber‑output power up to 50 W. It delivers outstanding power stability and ultra‑long service life, with independent control for each wavelength channel. It is suitable for industrial scenarios including UV curing, wafer inspection and photolithography.Meanwhile, the LED & LD hybrid illumination system combines the merits of UV‑LEDs and lasers. It generates uniform rectangular beam spots, delivers high‑power output and integrates comprehensive intelligent protection functions for demanding applications such as photolithography, DMD illumination and additive manufacturing.

Space‑coupled LED & LD Illumination Module

Boasting compact form‑factor, flexible control and high reliability, the complete product line serves as an optimal option for UV‑light applications in industry and scientific research.

UV‑LED Fiber‑coupled Light Source

Output wavelengths: 365 / 385 / 405 / 435 nm

High power: fiber output power up to 50 W

Excellent power stability and long service life

Independent control for LEDs of different wavelengths

Application Cases

Machine Vision

The UV‑LED light source emits light via optical fiber and works in conjunction with beam‑shaping lenses to produce uniform‑spot illumination. It enables supplementary‑light inspection for special materials. Compact and easy to integrate, it achieves higher power density compared with surface‑mount LED light sources.

Photolithography ExposureIt 

Serves as an ideal replacement for mercury lamps. For photolithography applications, LEDs provide more precise wavelengths, stable power and millisecond‑level startup speed.

Space‑coupled LED & LD Illumination Module

UV‑LED: 365 nm / 385 nm; Laser: 405 nm / 435 nm

High output power: system LED optical power ranges from 6 W to 20.5 W

Superior output stability: power fluctuation ＜1%

Interchangeable LED sources for easy maintenance

Built‑in over‑temperature and over‑current protection

Compliant with EMC CLASS‑A standard

Service life＞10000 hours

Rectangular‑spot output with illumination uniformity＞97%

Application Cases

Laser Direct Imaging (LDI) — Solder Mask Exposure

PCB solder‑mask exposure involves various ink types, which require multi‑wavelength support to balance curing performance and surface quality. High power is also required to shorten exposure time and boost production throughput. The combined LED+LD solution leverages the rich wavelength portfolio of LEDs together with the high‑power characteristics of laser diodes to resolve key application pain points.

Whether for high‑power‑demanding photolithography exposure, machine‑vision inspection requiring uniform spots, or additive‑manufacturing processes with strict stability and safety requirements, this product series adapts effortlessly by virtue of its compact structure, flexible control and high reliability.

For precision ultraviolet applications, selecting a reliable light source not only solves existing challenges but also reserves room for future development. Cost‑effective with well‑balanced performance, this product series acts as a trusted partner for production and scientific research. We look forward to exploring more possibilities of ultraviolet applications together with global customers!