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Title: Electrochemical alumina technology for high-brightness LED applications
Authors: Sokol, V.
Litvinovich, G.
Yakovtseva, V.
Keywords: материалы конференций
light-emitting diodes
surface-mountable devices
Issue Date: 2013
Publisher: БГУИР
Citation: Sokol, V. Electrochemical alumina technology for high-brightness LED applications / V. Sokol, G. Litvinovich, V. Yakovtseva // Nano-Design, Technology, Computer Simulation — NDTCS ’ 2013: proceedings of the 15th International Workshop on New Approaches to High-Tech, Minsk, June 11–15, 2013 / BSUIR. - Minsk, 2013. - P. 76 – 78.
Abstract: High temperatures near light-emitting regions are common for high-brightness LED systems. The cooling problem for these devices can be solved only by effective heat sink from the light-emitting region to the cooler environment. We propose the most effective heat sink for the high-brightness LED systems fabricated on the anodized aluminum substrates. 30 – 50 µm thick nanostructured alumina layer formed by the electrochemical alumina technology offers good electrical isolation and excellent thermal transfer. Copper conductors are applied to the alumina layer and light-emitting diodes are mounted directly on the surface. This approach allows the most important heat resistance component, i.e. a dielectric substrate, to be excluded. As a result, the record low heat resistance is reached and the heat sink is more efficient. So, the electrochemical alumina technology allows the heat sink problems that were considered as an insurmountable obstacle to be solved.
Appears in Collections:NDTCS 2013

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