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LCX026AL Datasheet(PDF) 11 Page - Sony Corporation |
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LCX026AL Datasheet(HTML) 11 Page - Sony Corporation |
11 / 24 page – 11 – LCX026AL <Electro-optical Characteristics Measurement> • Measurement system I • Measurement system II Luminance Meter Measurement Equipment Light Detector Measurement Equipment Screen: Made by Sony (VPS-120FH: Gain 2.8, Glass Beaded Type) or equivalent Projection lens: Focal distance 80mm, F1.9 Light source: 155W metal Haloid arc lamp (Color temperature 7500K ± 500) ( × 24, Sensor area: 7mmφ) Polarizer: Nitto Denko’s EG-1224DU or Polatechno’s SKN-1824ZT or equivalent Optical fiber LCD panel Light receptor lens Drive Circuit Light Source Basic measurement conditions (1) Driving voltage HVDD = 15.5V, VVDD = 15.5V VVC = 7.0V, Vcom = 6.6V (2) Measurement temperature 25°C unless otherwise specified. (3) Measurement point One point in the center of the screen unless otherwise specified. (4) Measurement systems Two types of measurement systems are used as shown below. (5) Video input signal voltage (Vsig) Vsig = 7.0 ± VAC [V] (VAC = signal amplitude) LCD Projector Approx. 2000mm 1. Contrast Ratio Contrast Ratio (CR) is given by the following formula (1). L (White) CR = ... (1) L (Black) L (White): Surface luminance of the center of the screen at the input signal amplitude VAC = 0.5V. L (Black): Surface luminance of the center of the screen at VAC = 4.5V. Both luminosities are measured by System I. |
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