Abstract

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This document specifies a method for use of a gonio-spectrofluorometer to measure internal quantum efficiency, external quantum efficiency, absorptance, luminescent radiance factor and relative fluorescence spectrum of ceramic phosphor powders which are used in white light-emitting diodes (LEDs) and emit visible light when excited by UV or blue light.


General information 

  • Status
     : Published
    Publication date
     : 2020-11
  • Edition
     : 1
    Number of pages
     : 20
  • Technical Committee
     : ISO/TC 206 Fine ceramics
  • ICS
     :
    81.060.30 Advanced ceramics

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