Editorial Technical Reference

LED Array / Module

This page explains how LED Array / Module is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A compact assembly of multiple LED chips arranged in a specific pattern, typically mounted on a circuit board, that serves as the core light-emitting unit in RGB/RGBW lighting systems.

Product Specifications

Technical details and manufacturing context for LED Array / Module

Definition
An LED array or module is the fundamental light-producing component within LED RGB/RGBW lighting fixtures. It consists of multiple individual LED chips (red, green, blue, and optionally white) arranged in a predetermined configuration on a substrate, often with integrated drive circuitry and thermal management features. This component converts electrical signals into controlled colored light output and determines the basic optical characteristics of the lighting system. The array/module is designed for integration into luminaires, signage, or other lighting products, and its performance is characterized by parameters such as the number of LEDs (1–100 pcs), power consumption (0.5–50 W), forward voltage per LED (2.8–3.6 V), forward current per LED (20–350 mA), luminous flux (10–5000 lm), color temperature for white LEDs (2700–6500 K), color rendering index (70–95 CRI), operating temperature (-40–85 °C), storage temperature (-40–100 °C), ingress protection (IP20–IP67 per IEC 60529), module dimensions (10×10–300×300 mm), weight (5–500 g), and lifespan (25000–50000 h to L70). Materials on file include gallium arsenide phosphide (GaAsP) and aluminum gallium indium phosphide (AlGaInP) semiconductors, epoxy resin encapsulation, copper-clad laminate substrate, and thermal interface material. These values are reference ranges; actual specifications must be confirmed with the legal manufacturer or supplier for the specific model and application. The component's design affects thermal management, driver selection, and mechanical integration. Verification questions should address the exact electrical ratings, thermal requirements, and environmental suitability for the intended use. Maintenance signals include reduced light output or color shift, which may indicate LED degradation or driver issues. Failure boundaries include exceeding maximum forward current or operating temperature, which can cause permanent damage.
Working Principle
The LED array/module operates by applying controlled electrical current to semiconductor junctions within the individual LED chips. When forward-biased, electrons recombine with electron holes in the semiconductor material, releasing energy in the form of photons. By independently controlling the intensity of red, green, blue (and white) LEDs through pulse-width modulation or current regulation, the module can produce a wide spectrum of colors and brightness levels. The substrate and thermal interface material dissipate heat, while integrated drive circuitry (if present) conditions the input power. The arrangement of chips and optical elements determines the beam pattern and color mixing. Proper current regulation is essential to maintain consistent output and prevent overheating.
Common Materials
Gallium arsenide phosphide (GaAsP) semiconductor, Aluminum gallium indium phosphide (AlGaInP) semiconductor, Epoxy resin encapsulation, Copper-clad laminate substrate, Thermal interface material
Technical Parameters
ParameterTypical rangeNotes & selection driver
Number of LEDs1–100 pcsDetermines light output and module size.
Power Consumption0.5–50 WAffects thermal management and driver selection.
Forward Voltage2.8–3.6 VPer LED; series/parallel configuration affects total.
Forward Current20–350 mAPer LED; higher current increases brightness but reduces lifespan.
Luminous Flux10–5000 lmTotal light output; depends on LED type and drive current.
Color Temperature2700–6500 KFor white LEDs; RGB modules may not have this.
Color Rendering Index70–95 CRIHigher CRI for accurate color rendering.
Operating Temperature-40–85 °CExceeding range may cause LED failure or reduced lifespan.
Storage Temperature-40–100 °CNon-operating condition.
Ingress ProtectionIP20–IP67Higher IP for outdoor or wet environments.IEC 60529
Module Dimensions10×10–300×300 mmLength × width; affects mounting and integration.
Weight5–500 gImportant for mechanical design and handling.
Lifespan25000–50000 hTime to 70% lumen maintenance (L70).

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
  • LED chips/dies Part
    Individual light-emitting semiconductor elements that produce specific colors (red, green, blue, white)
    Material: Semiconductor compounds (GaAsP, AlGaInP, InGaN)
  • PCB substrate Part
    Provides electrical connections between LED chips and mounting surface for the array
    Material: FR-4 fiberglass or aluminum PCB
  • Encapsulation/lens Part
    Protects LED chips from environmental factors and controls light distribution
    Material: Epoxy resin or silicone with phosphor coating
  • Thermal pad Part
    Dissipates heat generated by LED operation to prevent overheating
    Material: Thermally conductive adhesive or pad
  • Connector terminals Part
    Electrical interface for power and control signal input
    Material: Copper alloy with gold or tin plating

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (not pressure-rated)
other spec: Max forward current: 350mA per LED, Max power dissipation: 3W per chip, Humidity: 5-95% non-condensing
temperature: -40°C to +85°C (operating), -40°C to +100°C (storage)
Media Compatibility
✓ Indoor ambient air ✓ Dry inert gas environments ✓ Encapsulated in silicone/potting compounds
Unsuitable: Direct exposure to water/condensation without IP67+ sealing
Sizing Data Required
  • Required luminous flux (lumens)
  • Beam angle/optical distribution pattern
  • Input voltage/current (DC 12V/24V typical)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal degradation
Cause: Excessive heat buildup due to inadequate heat sinking, poor thermal interface material, or operating in high ambient temperatures, leading to phosphor degradation, solder joint failure, and accelerated lumen depreciation.
Electrochemical migration
Cause: Moisture ingress combined with ionic contamination on the PCB or LED package, creating conductive dendritic growth between electrical traces under bias, resulting in short circuits, leakage currents, or complete failure.
Maintenance Indicators
  • Flickering or intermittent operation, indicating potential driver failure, poor solder connections, or thermal stress on components.
  • Visible dark spots, color shift (yellowing/browning), or significant lumen output reduction beyond normal depreciation rates, signaling LED chip degradation or phosphor failure.
Engineering Tips
  • Implement proper thermal management by ensuring adequate heat sink design with appropriate thermal interface material, maintaining clean heatsink fins, and verifying ambient operating temperatures stay within manufacturer specifications.
  • Use conformal coating on PCBs in humid environments, ensure proper IP-rated enclosures for outdoor applications, and follow strict ESD protocols during installation to prevent latent electrostatic damage to LED chips.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 62471:2006 (Photobiological safety of lamps and lamp systems) ANSI/IES LM-80-08 (Measuring lumen depreciation of LED light sources) EN 62031:2008 (LED modules for general lighting - Safety specifications)

Quoted from the published standard.

Manufacturing Precision
  • LED placement accuracy: +/-0.1mm
  • Module flatness: 0.2mm across entire surface
Quality Inspection
  • Thermal cycling test (-40°C to +85°C for 100 cycles)
  • Luminous flux and color consistency measurement (using integrating sphere)
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of LED Array / Module

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Foshan Xinruilai Lighting & Electrical Co., Ltd.
Foshan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “LED Matrix panel”
View source page ↗ xrlledlight.com · checked 2026-09-17

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the typical number of LEDs in an LED array/module?

The number of LEDs can range from 1 to 100 pieces, depending on the design and application. The exact count should be confirmed with the manufacturer for a specific model.

What is the typical power consumption range?

Power consumption can range from 0.5 to 50 watts. This affects thermal management and driver selection. Verify the actual value for your intended use.

What is the ingress protection (IP) rating?

The IP rating can range from IP20 to IP67, per IEC 60529. Higher ratings are suitable for outdoor or wet environments. Confirm the rating for your specific module.

What is the lifespan of an LED array/module?

Lifespan is typically 25,000 to 50,000 hours to L70 (70% lumen maintenance). Actual lifespan depends on operating conditions and drive current.

Related equipment

Applied To / Applications

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

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for LED Array / Module.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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