UV Light Source Array for Phototherapy

Product Specifications

Technical details and manufacturing context for UV Light Source Array

Definition

The UV Light Source Array is a critical component within a Portable Home Phototherapy Device, consisting of multiple UV-emitting units (typically LEDs or fluorescent lamps) arranged in a specific pattern to deliver uniform, calibrated ultraviolet light output across a treatment area. It serves as the core therapeutic element that emits the specific wavelengths (commonly UVB or UVA) required for treating skin conditions such as psoriasis, vitiligo, and eczema. The array operates by converting electrical energy into ultraviolet radiation through semiconductor junctions (in LED arrays) or gas excitation (in fluorescent arrays). Individual UV sources are arranged in a grid pattern and controlled by a driver circuit to ensure consistent intensity and wavelength output across the entire treatment surface. The array typically includes reflectors and diffusers to optimize light distribution and minimize hotspots. Key parameters include a wavelength range of 365–405 nm, irradiance of 10–100 mW/cm², power consumption of 50–500 W, input voltage of 24 V DC ±10%, operating temperature of 10–40 °C (with derating above 40 °C), storage temperature of -20–60 °C, relative humidity of 20–80% (non-condensing), ingress protection rating of IP54–IP65 per IEC 60529, array dimensions of 200×200–600×600 mm, weight of 2–10 kg, lifetime of 10,000–20,000 hours (L70 at rated current), and beam angle of 60–120°. Materials typically include UV LED chips, an aluminum heat sink, a printed circuit board, and optical lenses or diffusers. The array is designed for integration into a portable device, with electrical and mechanical interfaces that must be matched to the specific device design. For procurement, verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The array converts electrical energy into ultraviolet radiation via semiconductor junctions (LED) or gas excitation (fluorescent). A driver circuit controls individual sources arranged in a grid to ensure uniform intensity and wavelength. Reflectors and diffusers optimize light distribution, minimizing hotspots. The design allows adjustable irradiance for treatment dosing.

Common Materials

UV LED chips, Aluminum heat sink, Printed circuit board, Optical lenses/diffusers

Technical Parameters

Parameter	Typical range	Notes & selection driver
Wavelength	365–405 nm	Peak emission for phototherapy
Irradiance	10–100 mW/cm²	Adjustable for treatment dose
Power Consumption	50–500 W	Depends on array size and intensity
Input Voltage	24 ±10% V DC	Complies with SELV
Operating Temperature	10–40 °C	Above 40°C derating required
Storage Temperature	-20–60 °C	Non-condensing
Relative Humidity	20–80 % RH	Non-condensing
Ingress Protection	IP54–IP65	Dust and water resistantIEC 60529
Array Dimensions	200×200–600×600 mm	Custom sizes available
Weight	2–10 kg	Depends on size and cooling
Lifetime	10000–20000 h	L70 at rated current
Beam Angle	60–120 °	Uniformity of treatment area

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

UV LED Module Part
Individual ultraviolet light emitting diode that produces specific wavelength radiation

Material: Gallium nitride semiconductor
Heat Sink Part
Dissipates heat generated by UV emitters to maintain optimal operating temperature and longevity

Material: Aluminum alloy
Driver Circuit Board
Regulates current and voltage to each UV emitter for consistent light output

Material: FR-4 PCB with copper traces
Optical Diffuser Part
Evenly distributes UV light across treatment area and reduces intensity variations

Material: UV-transparent polycarbonate
Reflective Housing Part
Directs UV radiation toward treatment area and contains stray light

Material: Anodized aluminum with reflective coating
Fluorescent Source Optional
Produces UV by gas excitation on fluorescent-tube versions instead of LEDs.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

UV Curing Module

View system integration details

Manufacturers of UV Light Source Array

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Frequently Asked Questions

What wavelengths does the UV Light Source Array emit?

The array emits ultraviolet radiation in the range of 365–405 nm, which is commonly used for phototherapy. The exact peak wavelength depends on the specific model and should be confirmed with the manufacturer.

What is the typical irradiance output?

The irradiance is adjustable from 10 to 100 mW/cm², allowing for treatment dose control. The actual value depends on the array configuration and settings.

What are the electrical requirements?

The array operates on a 24 V DC input with a tolerance of ±10%. Power consumption ranges from 50 to 500 W, depending on array size and intensity.

What environmental conditions can the array withstand?

It operates in temperatures from 10 to 40 °C (with derating above 40 °C) and can be stored from -20 to 60 °C. Relative humidity should be 20–80% non-condensing. The ingress protection rating is IP54–IP65 per IEC 60529.

Data Basis

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Preliminary Technical Classification

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pressure:	Atmospheric pressure only (non-pressurized system)
other spec:	UV intensity: 5-100 mW/cm² adjustable, wavelength: 280-400 nm UVA/UVB range
temperature:	+10°C to +40°C (operating), -20°C to +60°C (storage)

UV Light Source Array

Product Specifications

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