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LCX019AM Scheda tecnica(PDF) 11 Page - Sony Corporation |
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LCX019AM Scheda tecnica(HTML) 11 Page - Sony Corporation |
11 / 22 page – 11 – LCX019AM <Electro-optical Characteristics Measurement> • Measurement system II LIght Detector Measurement Equipment Optical fiber LCD panel Light receptor lens Drive Circuit Light Source Basic measurement conditions (1) Driving voltage HVDD = 13.5V, VVDD = 13.5V, AVDD = 15.5V VVC = 7.0V, Vcom = 6.8V (2) Measurement temperature 25°C unless otherwise specified. (3) Measurement point One point in the center of screen unless otherwise specified. (4) Measurement systems Two types of measurement system are used as shown below. (5) Video input signal voltage (Vsig) Vsig = 7.0 ± VAC [V] (VAC: signal amplitude) (6) Optical measurement systems Elliptic mirror Relay lens system B R G Dichroic mirrors Fresnel lens LCD panel Projection lenses Screen 100W lamp angle distribution Panel incident light dispersion angle [ ° ] 0.0 1.0 2.0 3.0 3.5 4.0 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 • Measurement system I 1. Contrast ratio Contrast Ratio (CR) is given by the following formula (1). L (White) CR = L (Black) ...... (1) L (White): Surface luminance of the TFT-LCD panel at the input signal amplitude VAC = 0.5V L (Black): Surface luminance of the panel at VAC = 4.5V Both luminosities are measured by System I. |
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