Standard Practice for Obtaining Colorimetric Data from a Visual Display Unit Using Tristimulus Colorimeters| Calibration (tristimulus colorimeters), Cathode ray tubes (CRTs), Chromaticity, Chromaticity coordinates, Colorimetry, Data analysis, Flat-panel displays, Instrumental measurement (color/light), Light emitting diodes (LEDs), Liquid crystal displays (LCDs), Luminance, Matrix transformation, Self-luminous displays, Tristimulus colorimeters, Tristimulus values, Visual/video display units (VDUs)