White Electronic Designs
Display Systems Division
ENH057Q1-350/450/600
Notes:
1. Definition of viewing angle range:
q 11
Normal line q 11
q 21
q 21
12 o'clock direction
2. Definition of contrast ratio
The contrast ratio is defined as follows:
Contrast
Ratio
(CR)=
Luminance
Luminance
(brightness)
(brightness)
with
with
all
all
pixels
pixels
white
black
3. Definition of response time
The response time is defined as the following figure and shall be measured by
switching the input signal for "black" and "white".
white
100%
90%
black
white
4. This shall be measured at the center of the screen. The measurement was done
10%
30 mins later after switching on the backlight. (characteristic of the first stage)
0%
Inverter drive frequency: 49 kHz
τr
τd
5. Continuous operation time which doesn't deteriorate the brightness under 50% of
time
the brightness at the beginning.
(Condition) IL=5.0 mArms (adjusting the brightness by current)
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Original specifications created by Sharp.
September 2003
Rev. 0
11
Display Systems Division • Hillsboro, OR • (503) 690-2460 • www.wedc.com