ISO 20351:2017
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Fine ceramics (advanced ceramics, advanced technical ceramics) — Absolute measurement of internal quantum efficiency of phosphors for white light emitting diodes using an integrating sphere
Hardcopy , PDF
English
08-09-2017
09-04-2025
ISO 20351:2017 specifies 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).
ISO 20351:2017 can be adopted for the measurement of phosphors used in non-white LEDs, for example, green, orange, pink or purple LEDs.
| Committee |
ISO/TC 206
|
| DevelopmentNote |
Supersedes ISO/DIS 20351. (09/2017)
|
| DocumentType |
Standard
|
| Pages |
10
|
| ProductNote |
This standard also refers CIE S 017/E:2011
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| BS ISO 20351:2017 | Identical |
| IEC 62607-3-1:2014 | Nanomanufacturing - Key control characteristics - Part 3-1: Luminescent nanomaterials - Quantum efficiency |
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