Acer AL1714 AL1714 Service Guide - Page 9

1.3.1 Optical Specifications The relative measurement methods of optical characteristics are shown in 4.2. The following items should be measured under the test conditions described in 4.1 and stable environment shown in Note (4). Item Symbol Condition Min. Typ. Max. Unit Note Contrast Ratio CR 250 350 - - (2), (4) LC Response Time Luminance of center point TR θx=0°, θY =0° Viewing - 4 TF Normal Angle - 10 L 250 350 10 ms (3) 25 ms - cd/ m2 (2), (4) Luminance(Angular dependent) LR - 1.3 1.7 - (2), (5) Contrast (Angular-dependent) Cm 0.5 0.9 - - (2), (6) Brightness Uniformity Uni. - 1.1 1.3 - (2), (4) Rx Red Ry 0.604 0.634 0.664 0.330 0.360 0.390 - Gx Green Color Gy Chromaticity Bx Blue By 0.251 0.281 0.311 - 0.572 0.602 0.632 (2) 0.112 0.142 0.172 - 0.037 0.067 0.097 - Wx White Wy 0.283 0.313 0.343 0.299 0.329 0.359 - Viewing Angle θx+ Horizontal 70 80 - θx- 70 80 - CR≥10 Deg. (1),(4) θY+ Vertical 50 60 - θY- 50 60 - 9