Light you can't see,
moving the world
Official full-spectrum supply of UV · IR · SWIR · MWIR LEDs. DOWA Electronics' next-generation photonic technology powering healthcare, gas sensing, machine vision, sterilisation, robotics, and ADAS.
UV to MWIR,
one supplier
Where most agents cover only a slice of the spectrum, DONGHWA IND delivers DOWA's entire wavelength range through a single channel. Sterilisation UV, machine-vision IR, medical and gas-sensing SWIR, NDIR MWIR — all in one quote.
Four pillars, one technology partner
From semiconductors to medical, environment to production floors — an integrated photonics, LED, and electronics supply solution.
IR · SWIR · MWIR LED
DOWA's full-spectrum infrared LEDs from 650nm to 5000nm. World's largest SWIR LED production capacity.
UV LED
308 · 310 · 325 · 340nm deep UV LEDs. Mercury-free, low-power, long-life next-gen sterilisation and curing light source.
Optical Lenses & Filters
Fused Silica, Sapphire, Ge, ZnSe — precision specs from UV through IR.
UV LED Water Steriliser
Seven years of R&D, mercury-free sterilisation. 6 tonnes/min, 97% Vibrio reduction.
Next-gen sensing
starts with SWIR
Non-invasive glucose monitoring, alcohol sensing, CO/CO₂ gas detection, moisture and lipid analysis. SWIR and MWIR LEDs in the 1000–5000nm range — beyond visible light — are reshaping healthcare and industrial sensing.
From UV to MWIR — every wavelength, one supplier
SWIR LED
1000 – 1650nm Short-Wave Infrared
The core light source for healthcare, gas sensing, food analysis.
FEATUREDMWIR LED
3000 – 5000nm Mid-Wave Infrared
Molecular-level gas sensing — CO, CO₂ and beyond.
IR LED
650 – 870nm Point Source
Near-infrared. Machine vision, security, optical sensing.
UV LED
308 · 310 · 325 · 340nm Deep UV
Mercury-free sterilisation, curing, sensing.
Optical Lenses & Filters
Fused Silica · Sapphire · Ge · ZnSe
Precision-grade optics from UV through IR.
UV LED Water Steriliser
WS G2 · G4 · G8 · T5 · T30
6 tonnes/min, 97% Vibrio reduction.
Leadframe (Jentech)
LED · Semiconductor · HPC Cooler
Direct supply to Korean LED makers, custom design.
10 applications that are changing industries
Invisible light is already all around you.
Non-invasive glucose monitoring
SWIR 1050/1400–1650nm absorption bands enable needle-free blood glucose measurement. FTIR-analogous technology opening the wearable healthcare market.
Gas sensors (CO/CO₂)
2300/2400nm MWIR LEDs power NDIR gas sensors for breath diagnostics, environmental monitoring, and industrial leak detection.
Alcohol sensors
Contactless alcohol measurement via 1050 · 1300–1500nm SWIR. Breathalysers, food-process quality control.
Food & agriculture QC
1460nm water band and 2900nm lipid band enable non-destructive measurement of fruit sweetness, dairy fat, and grain moisture.
Semiconductor wafer inspection
1300nm SWIR penetrates silicon for non-destructive backside defect inspection.
Autonomous driving & ADAS
IR/SWIR perception in night and fog conditions; LiDAR auxiliary light sources.
Designing next-gen photonic solutions, together
Tell us your wavelength, package, volume and delivery — we'll return with tailored proposals and samples.