A substrate is the foundational material layer in an LED array that provides mechanical support, electrical connectivity, and thermal management for LED chips.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| CTE | 4-20 ppm/°C | |
| Surface Roughness | <1 μm | |
| Dielectric Strength | >10 kV/mm | |
| Thermal Conductivity | 1-200 W/mK | |
| Operating Temperature | -40 to 150°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A structured arrangement of multiple LED chips mounted on a substrate to form a lighting module.
An optical component with a periodic structure that splits and diffracts light into several beams traveling in different directions.
An electronic filter that passes frequencies within a specific range while attenuating frequencies outside that range.
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Thermal management is essential because excessive heat reduces LED efficiency, causes color shift, and shortens lifespan. Substrates with high thermal conductivity dissipate heat effectively, maintaining performance.
Ceramic substrates offer better electrical insulation, higher thermal conductivity (e.g., aluminum nitride), and closer CTE matching to LED chips, reducing thermal stress and improving reliability in high-power applications.
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