Advantech TREK-305R - Manual (Page 19)

11 TREK-305R User Manual
Appendix A
L
CD Specification
A.2 LCD Optical Specification
Item Symbol Conditions
Specifications
Unit Remark
Min. Typ. Max.
Viewing Angle CR >=10
=180
° 30 50 - °
=0
° 40 70 - °
=90 ° 40 70 - °
=190
° 40 70 - °
Contrast Ratio CR
=0°, =0°
350 500 - -
Response Time
t
ON
=0°, =0°
- 15 25 ms
t
OFF
- 25 35 ms
Luminance L
=0°, =0°
Gray Scale Level=163
(White)
255 320 - cd/m 2 /
F
=12 mA
Luminance Uniformity LUNF 60 70 - %
Chromaticity
Red
X
R
Gray Scale Level: L63
=0°, =0°
0.52 0.59 0.66 -
Y
R
0.27 0.34 0.41 -
Green
X
G
Ditto
0.29 0.36 0.43 -
Y
G
0.48 0.55 0.62 -
Blue
X
B
Ditto
0.08 0.15 0.22 -
Y
B
0.05 0.12 0.19 -
White
X
W
Ditto
0.25 0.32 0.39 -
Y
W
0.27 0.34 0.41 -
Note! 1. Refer to “11. Measuring Method“.
2. The above test limit must be applied for initial use. Characteristics
will be shifted by long period operation, but it is not irregular phe-
nomena. Theoretically brightness characteristics will be decreased
due to color shift.