Standard light source

    Integrating Sphere and relatively light source

Measurable optical parameters –

• Total Luminous Flux ( Lumens )

• Luminance Intensity ( cd )

• Total Spectral Flux ( Watts )

• Spectrum

• Color Coordinate ( x , y ) ( u’ , v’ )

• Color Temperature ( Tc )

• Peak and Dominant Wavelength、Purity

• Efficiency ( Lum/W )

• Color  Rendering Index ( CRI )

• L-I-V Curves：Optima Efficiency

• Life Time Measurement