A study on the reliability optimization of LED-lit backlight units in mobile devices

Bernard Fong, A. C.M. Fong, C. K. Li, Wah Ching Lee, Kim Fung Tsang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

4 Citations (Scopus)

Abstract

This paper studies the prevention of premature failures of LED backlights used in mobile devices that are subject to different use conditions. This is a vitally important topic for consumer mobile device manufacturers as the life expectancy of two identical devices from the same production line may vary substantially under different operating environments and use conditions. These differences are not addressed by traditional reliability assessment methods documented in many electronics handbooks. The paper outlines the use of a prognostics approach and condition-based monitoring for optimizing the reliability in the LED backlight display unit of mobile devices.
Original languageEnglish
Article number6212472
Pages (from-to)131-138
Number of pages8
JournalIEEE/OSA Journal of Display Technology
Volume9
Issue number3
DOIs
Publication statusPublished - 1 Jan 2013

Keywords

  • Consumer electronics
  • displays
  • light-emitting diodes (LEDs)
  • reliability

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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