The mean time between failures for an LCD panel

Fu Kwun Wang*, Tao Peng Chu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

2 Scopus citations


The calculation of mean time between failures is very important in reliability life data analysis. For different distributions, the values of mean time between failures are always different. The two-parameter Weibull distribution is widely used in reliability engineering. However, some distributions may offer a better fit of data. This paper aims to develop an algorithm for determining the best-fitted distribution of a liquid crystal display panel based on the field return data. The two-parameter and three-parameter Weibull distributions and other distributions such as the Burr XII distribution, the Pareto distribution and the Log-logistic distribution are compared to provide a better characterization of the life data which is based on the maximum value of all log-likelihood functions. We also provide a goodness-of-fit test for the best-fitted distribution. It is recommended that the Burr XII distribution could be used to characterize the reliability life of a liquid crystal display panel.

Original languageEnglish
Pages (from-to)203-208
Number of pages6
JournalQuality and Reliability Engineering International
Issue number2
StatePublished - 03 2011
Externally publishedYes


  • Burr XII distribution
  • LCD Panel
  • Weibull distribution
  • mean time between failures


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