Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Measuring equipment<br>5 Calibration, checking and maintenance of measuring<br>&nbsp;&nbsp;equipment<br>6 Samples<br>7 Measurement methods<br>8 Calculations<br>9 Report<br>Bibliography

Abstract

Describes a method of absolute measurement (using an integrating sphere) of internal quantum efficiency of phosphor powders which are excited by UV or blue light and emit visible light, and which are used for white light-emitting diodes (LEDs).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 206