Application of diamond-like diamond in LED thermal circuit board
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August 08 12:45:07, 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 a compelling presentation on the topic of "Diamond-like Coating in LED Thermal Circuit Boards."
As the final speaker of the session, Lin Biao humorously remarked that with the hot weather in Guangzhou and the booming LED industry, today’s discussion was all about heat — both literal and metaphorical. He opened his talk with the phrase, “Hot, let the heat run,†setting an energetic tone for the session.
Suzhou Rechi, a company known for its innovation in coating materials, has developed ultra-high thermal conductivity diamond-like coatings. This technology significantly enhances the thermal performance of standard aluminum substrates. The term "diamond-like" refers to a synthetic material that mimics the properties of diamond but is not made from actual diamond. Instead, it falls between diamond and graphite in structure.
The diamond-like coating offers high thermal conductivity combined with excellent insulation. By replacing the traditional PP resin insulating layer in aluminum substrates, the company successfully created an 800W thermal conductive insulation layer, overcoming previous technical limitations. This advancement brings thermal conductivity close to that of pure aluminum.
The technology has been rigorously tested by leading companies such as Cree, Osram, Philips, and Seoul Semiconductor. Test results show that the diamond-like coating effectively reduces operating temperatures and improves light efficiency. As a result, Suzhou Rechi has established strong partnerships with these industry giants, further solidifying its position as a key player in the LED thermal management space.