Thermally Conductive Materials for LED Luminaire Optimization

New advances in street and roadway luminaires, featuring long life light expectancy light source devices, have shown superior photometric performance and energy saving advantages compared to legacy high pressure sodium (HPS) lighting. In recent years, the front runner lighting device has been the LEDs.

The performance of LEDs over their lifetime is critically dependent on their operating temperature. For every increase of 10 degrees, there is typically a reduction of 10% in light output over time. Therefore, it is important that the LEDs in a luminaire have the most optimum thermal management system in order to keep the operating temperature as low as possible.

The development of new light materials that can act as conduits for heat energy transfer away from the LEDs in a luminaire is essential if the full potential of LEDs is to be achieved.  The effusivity of a material is a fundamental thermal material property that is directly linked to how effectively a material can direct thermal energy away from the LED.

This webinar will look at how the C-Therm TCi Analyzer, employing the Modified Transient Plane Source technique,  can help better understand the thermal properties of materials designed for lowering the operating temperature of LEDs in a luminaire.


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