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download between 0-24 hoursReleased: 2020
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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| Standard´s number: | ISO 23946:2020 |
| Pages: | 20 |
| Edition: | 1 |
| Released: | 2020 |
| Language: | English |
DESCRIPTION
ISO 23946:2020
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.