LED PCB
LED PCB board (also known as LED printed circuit board, LED circuit board or aluminum LED PCB) is a professional PCB board with LED components mounted on its surface.
What is a LED PCB?
LED PCBs are the heart of LED lighting. However, LED PCBs generate significant heat, making traditional heat dissipation difficult. Therefore, aluminum or metal-core PCBs are often used for these applications due to their high thermal conductivity, lightweight, and cost-effectiveness. Surface mount packaging is currently the most widely used packaging format for LEDs, providing an excellent electrical connection for LED components. PCBs with LED components are often referred to as “LED PCBs.”
LED PCB Construction and Technical Capabilities
Core Structure:
Layer | Details |
Substrate Material | Aluminum PCB, copper core, or FR4 PCB depending on heat and budget requirements |
Copper Layer | 1–6 oz copper weight, optimized for high current and LED circuit integrity |
Dielectric Layer | High-conductivity insulation (50–200μm) for heat transfer and power LED support |
Soldermask & Finish | White solder mask for light reflection; surface finishes include ENIG, OSP, HASL, and immersion silver |
Key Specs:
Max Board Size: 600mm × 1200mm (custom formats available)
Layer Count: 1–4 layers typical, multi-layer available
Min Trace/Space: 75μm / 75μm standard
Surface Finish Options: ENIG, HASL, OSP, Immersion Silver
Compliance: RoHS, UL, ISO9001, IPC-6012/6013
LED Type Supported: SMD LED, COB, power LED, flexible LED modules
Types of LED PCB Boards We Offer
Single-Layer LED PCBs
Ideal for cost-sensitive projects like light PCB strips and bulbs
Double-Sided LED PCBs
Supports multiple LEDs and improved thermal paths
Multi-Layer LED PCBs
Perfect for high-power LED designs and tight PCB layout
Aluminum LED PCBs
For miniaturized wearables and medical sensors
Flexible LED PCBs
Use for curved surfaces, wearables, or custom LED light circuits
Advantages of LED PCB
The service life of LED lights can be more than 10 years, which greatly reduces the frequency of replacement and saves costs.
Unlike other traditional lighting, LED lights do not contain mercury. Therefore, LEDs have little impact on the environment and are easy to dispose of.
LED can reduce energy consumption by 80% by replacing other photo lights
It can be cut into round, arc and other special-shaped structures to meet the special needs of automobile light strips, advertising light boxes, etc.
High TG (glass transition temperature) materials (such as TG170) can be used to adapt to the high-temperature operating environment of LEDs (>100°C). Surface treatments (such as OSP and immersion gold) can prevent oxidation and improve the weather resistance of outdoor LED screens.
Applications of LED PCB
- Automotive: LED PCBs are also suitable for applications such as automotive headlights, LED taillights, and dashboards. LED PCBs are the preferred choice in the automotive sector due to their durability and competitive pricing.
- Medical: Lighting tools used in surgical procedures and medical examinations often utilize high-power LEDs mounted on aluminum PCBs. Their durability and heat dissipation ensure reliable operation regardless of the number of patients a medical facility serves. Medical scanning technology also frequently utilizes aluminum LED PCBs.
- Consumer electronics: LED PCB is widely used in the field of consumer electronics. Its unique characteristics of high efficiency, energy saving, lightness, compactness and long life perfectly meet the performance and design requirements of consumer electronics.
- Telecommunications: LED indicators and displays are widely used in telecommunications equipment due to their mechanical compatibility and excellent heat dissipation capabilities, making aluminum-based LED PCBs an essential component for these applications.
Why choose Lingkey to cooperate
PCB manufacturing, fast response
With over 15 years of experience in LED PCB manufacturing, we are a trusted LED PCB manufacturer by leading OEMs, offering flexible support for single LEDs, high-power LEDs, and custom LED PCBs.
Comprehensive testing and quality assurance
The factory is equipped with testing systems such as flying probe testers, AOI, X-ray, and functional testing, ensuring full-process quality control.
Quality Assurance
We have obtained certifications such as ISO 14001, UL, and ISO 9001, fully meeting the strict quality standards required for medical, automotive, and industrial control applications.
