Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Sample
5 Lifetime lighting test
6 Lumen maintenance factor test
7 Uncertainty of measurement
8 Report of test results
Annex A (normative) - Measuring method of temperature
of LED
Annex B (informative) - Estimation (extrapolation) methods
of lumen maintenance factor
Bibliography

Abstract

Defines the measurement methods for the lumen maintenance factor and the chromaticity change of a white light emitting diode (LED) for general lighting.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN