ISO 23946:2020
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
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Description
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.
Edition
1
Published Date
2020-11-30
Status
PUBLISHED
Pages
20
Language
English
Format
Secure PDF
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Abstract
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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