Acer Acer –LCD-D240H
CCFL startup voltage 2000 Vrms (0˚C)
CCFL startup voltage 1850 Vrms (25˚C)
Operating frequency 40~60 KHz
Protect delay time > 1 second
Efficiency ≥75%
Note: Other panels please refer to the reference panel specs.
Brightness output
The test to verify specifications in this section shall be performed under the following standard conditions
unless otherwise noted.
Temperature : 25 ± 5°C
Test pattern : white
Video Resolution : 1920 x 1080
Video input level : 700 mV ± 2%
Warm-up time : 30 minutes
Set brightness control and also contrast control at maximum, to measure the screen center, the light
output shall BL ≥ 240 cd/m2 .
3.3 White balance
The test standard conditions refer to Sec 3.3. (Brightness and contrast are under default value)
Chromaticity Coordinate
Mode
x y
Cool 9300K 0.283 ± 0.030 0.297 ± 0.030
Warm 6500K 0.313 ± 0.030 0.329 ± 0.030
User Panel While x Panel While y
3.4 Brightness uniformity
The test standard conditions refer to Sec 3.3.