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ISO 23946:2020

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test methods for optical properties of ceramic phosphors for white light-emitting diodes using a gonio-spectrofluorometer ISO 23946:2020

Publication date:   Nov 30, 2020

General information

90.60   Close of review   Mar 5, 2026

ISO

ISO/TC 206 Fine ceramics

International Standard

81.060.30   Advanced ceramics

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Scope

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.

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PUBLISHED
ISO 23946:2020
90.60 Close of review
Mar 5, 2026




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