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Failure modes, mechanisms, and effects analysis for LED backlight systems used in LCD TVs

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3 Author(s)
Jiajie Fan ; Dept. of Ind. & Syst. Eng., Hong Kong Polytech. Univ., Hong Kong, China ; Yung, K.C. ; Pecht, M.

Compared to conventional light sources, LED backlight systems, consisted by LED backlight units (BLUs) and drivers, provide a wide range of performance benefits for Liquid crystal display (LCD) TVs. And the failure of this electronic system directly determines the life of LCD TVs. So the growing interests have been focused on the prognostic and health management (PHM) for this electronic system. As the first step of physics-of-failure (PoF) based PHM approach widely used in reliability assessment, failure modes, mechanisms, and effects analysis (FMMEA) was used in this paper to identify the potential failure mechanisms and associated failure sides in LED backlight systems.

Published in:
Prognostics and System Health Management Conference (PHM-Shenzhen), 2011

Date of Conference: 24-25 May 2011

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