Research and Optimization Design of Thermal Management for LED

Abstract

LED, a lighting source that has gained popularity in the 21st century, possesses characteristics such as energy efficiency, eco-friendliness, compactness, and durability. However, its electro-optical conversion efficiency remains relatively low, as approximately 80% to 90% of the input power is dissipated as thermal energy. Consequently, the temperature of the LED rises, leading to a decrease in its luminous efficiency. Hence, it is crucial to conduct research on efficient heat dissipation methods for LEDs. We have compiled research plans from various scientific institutions and observed that through optimized design, the heat dissipation capability of LEDs has significantly improved. This improvement has resulted in reduced thermal stress within the chips and packaging, ultimately enhancing their reliability.