General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 23595.3-2009
Scope
This part specifies the method for measuring coordinates of rare earth yellow fluorescent pink products excited by 440nm~480nm blue light. This part applies to the determination of the light pink product coordinates of rare earth yellow phosphors excited by 440nm~480nm blue light.
GB/T 23595.3-2009 history
2009GB/T 23595.3-2009 Test methods of rare earth yellow phosphor for white LED lamps.Part 3:Determination of chromaticity coordinates