Calibration of Display Test Equipment across Devices

Calibration of Display Test Equipment across Devices
Calibration of Display Test Equipment across Devices Video

SSL Solid State Luminance/Color Standards

Labsphere’s Solid State Luminance (SSL) and Chromaticity Standards are highly stable and accurate cool white solid state integrating sphere luminance and color standards (calibration sources) that enable accurate and reproducible calibration of display test equipment across devices.

Many mobile devices have LCD displays that are backlit with cool white LEDs. These LEDs have a strong peak in the blue region to excite the phosphor that produces the visible cool white appearance. The spectrometers and colorimeters used to calibrate these displays are typically calibrated with tungsten halogen sources which can result in inconsistent measurement results of the displays due to spectral mismatch errors. The SSL-1000 sources were developed to correct the meter response with a spectrum that matches that of the display backlight.

Labsphere has engineered two variations of Solid State Luminance Standards: 

  • SSL-1000 is designed with a 25.5 mm diameter reference port
  • SSL-1010 is designed with a 40 mm diameter reference port

Value

  • Correct for spectrometer and colorimeter errors in production testing to ensure reproducible display image quality
  • Compact and robust for easy adaptation into existing test environments
  • Completely enclosed with raised reference port window to minimize contaminations and promote easy cleaning

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Ordering Information

  • SSL-1000      AA-01269-000      
    25.5 mm diameter reference port
  • SSL-1010      AA-01270-000      
    40 mm diameter reference port

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