GB/T 23595.4-2025 Active National standards

GB/T 23595.4-2025 Test methods of rare earth phosphors for LED—Part 4:Determination of high temperature and high humidity property

GB/T 23595.4-2025 Test methods of rare earth phosphors for LED—Part 4:Determination of high temperature and high humidity property

Publish Date: 2025-01-24 Implement Date: 2025-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 23595.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rare earth metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2025-01-24

Implement Date: 2025-08-01

Pages: 12 pages

Scope

This document describes the method for determining the high-temperature and high-humidity performance of rare earth phosphors used in LEDs excited by ultraviolet and blue light with wavelengths ranging from 350 nm to 480 nm.
This document is applicable to the determination of the high-temperature and high-humidity performance of rare earth phosphors used in LEDs excited by ultraviolet and blue light with wavelengths ranging from 350 nm to 480 nm.

Development Information

Word Count: 18 Thousand words Pages: 12 pages

Same series standard

GB/T 23595.1-2025 Test methods of rare earth phosphors for LED—Part 1:Determination of spectrum GB/T 23595.2-2025 Test methods of rare earth phosphors for LED—Part 2:Determination of relative brightness GB/T 23595.3-2025 Test methods of rare earth phosphors for LED—Part 3:Determination of chromaticity coordinates GB/T 23595.7-2025 Test methods of rare earth phosphors for LED—Part 7:Determination of thermal quenching GB/T 23595.8-2025 Test methods of rare earth phosphors for LED—Part 8:Determination of pressure cooker test property

Replace the following standards

GB/T 23595.4-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 4:Determination of thermostability

Referenced Standards

GB/T 5838.1-2015 Phosphors—Part 1:Terminology GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 23595.3-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 3:Determination of chromaticity coordinates GB/T 23595.3-2025 Test methods of rare earth phosphors for LED—Part 3:Determination of chromaticity coordinates

Related Standards

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