Linear calculation model for prediction of color rendering index performance associated with correlated color temperature of white light-emitting diodes with two phosphors

Ching Cherng Sun, Ching Yi Chen, Jung Hsuan Chang, Tsung Hsun Yang, Wei Shih Ji, Yow Shiuan Jeng, Hsin Mei Wu

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Linear calculation models are proposed and demonstrated to evaluate the color rendering index (CRI) performance associated with the correlated color temperature (CCT) of a white light emitting diode with two phosphors. All the three proposed models are simple and easy, and the error in predicting the CRI is within 1, while the deviation of the CCT is around 300K and less. Such models can be useful in evaluating the chromatic performance of a specific recipe with two phosphors.

Original languageEnglish
Article number054003
JournalOptical Engineering
Volume51
Issue number5
DOIs
StatePublished - May 2012

Keywords

  • color rendering index
  • correlated color temperature
  • light emitting diode
  • phosphors

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