Application of diamond-like diamond in LED thermal circuit board
August 08 11:29:44, 2025
On the morning of June 10, 2013, the “2013 New Century LED Summit Forum – Optical, Thermal and Reliability Technology for Luminaires†took place in the North Hall of Conference Room 8, located in Area B of the Guangzhou Pazhou Complex. Lin Hao, the General Manager of Suzhou Rechi Optoelectronics Technology Co., Ltd., delivered an insightful presentation on the topic of “Diamond-like Coating in LED Thermal Circuit Boards.†His talk was well-received and sparked a lot of interest among industry professionals.
The forum brought together experts from across the global LED industry to discuss key challenges and innovations related to optical performance, thermal management, and product reliability. As one of the final speakers of the session, Lin Biao humorously noted that the day’s theme revolved around heat—both literal and metaphorical. He remarked, “The weather in Guangzhou is hot, our LED industry is very hot, and today we’re talking about the heat inside the products. The topic is even hotter.â€
With the slogan “Hot, let the heat run,†he kicked off his presentation, emphasizing the importance of effective thermal management in LED lighting systems. As a leader in coating technology, Suzhou Rechi has developed ultra-high thermal conductivity diamond-like coatings that significantly enhance the thermal performance of standard aluminum substrates. These coatings are not made of actual diamond but are instead a synthetic material with properties similar to both diamond and graphite.
The company's diamond-like coating offers exceptional thermal conductivity and insulation, making it ideal for use in high-performance LED applications. By replacing the traditional PP resin insulating layer, Suzhou Rechi successfully developed an 800W thermal conductive insulation layer, breaking through previous technical limitations and achieving thermal performance comparable to that of pure aluminum.
The technology has been tested and validated by major industry players such as Cree, Osram, Philips, and Seoul Semiconductor. According to independent reliability test reports, the diamond-like coating effectively reduces operating temperatures, improves light output efficiency, and enhances overall product performance. This has helped Suzhou Rechi establish strong partnerships with leading manufacturers in the global LED market.