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Application of High-Brightness LEDs in Tissue Human and Their Therapeutic Interaction

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3 Author(s)
Moreira, M.C. ; Electron. Ballast Res. Group, Fed. Univ. of Santa Maria, Santa Maria, Brazil ; do Prado, R.N. ; Campos, A.

The LEDtherapy is increasingly becoming important in several health treatment areas, such as biomedical engineering, deontology, physical therapy and dermatology. The biomedical engineering, for example, has been experiencing major advances in the research on the application of LEDs in the treatment of pre-malignant or even malignant skin lesions, rejuvenation treatments, acne, hair loss, skin injuries and postoperative incisions recovery and in the psychological improvement of patients where the LED lights can be applied. The driver topologies to supply these LEDs also has been experienced remarkable improvement, regarding the application of different light intensity control techniques, colour distribution besides current output and power optimization. This paper describes a wide study of the state of the art on this topic in concert with proposals of driver topologies and preliminary results based on ongoing experiments.

Published in:

Industry Applications Society Annual Meeting, 2009. IAS 2009. IEEE

Date of Conference:

4-8 Oct. 2009