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mermaid ventura 150 TFT x4 - User manual Version 1.1
P/N: 20-1700-00456 Page 20 of 24
Appendix E: Optical Characteristics – ventura 150 TFT
The following items were measured under stable conditions. The optical characteristics should be measured in a dark
room or equivalent state.
* Measuring equipment: TOPCON MB-5A: Contrast Ratio, Luminance of White, Viewing Angle
TOPCON BM-7: Response time, Flicker
Photo Research PR650: Colour Chromaticity
* Ta = 25± 2
0
C, VIN = +12Vm fv= 60Hz., IL = 6.0mA
Item Symbol Condition Min. Typ. Max. Unit
Contrast Ratio CR (200) 300 -
Rising T
R
- 5 - Response
Time at Ta
Falling T
F
- 20 -
msec
Luminance of White
(Centre of Screen)
Y
L
(200)
250
-
cd/m
2
R
X
(0.603) (0.628) (0.653)
Red
R
Y
(0.328) (0.353) (0.378)
G
X
(0.265) (0.290) (0.315)
Green
G
Y
(0.570) (0.595) (0.620)
B
X
(0.119) (0.144) (0.169)
Blue
B
Y
(0.063) (0.088) (0.113)
W
X
0.279 0.304 0.329
Colour
Chromaticity
(CIE 1931)
White
W
Y
Φ=0,
Θ=0
Normal
Viewing
Angle
0.300 0.325 0.350
θ
L
(65) - -
Hor.
θ
R
(65) - -
Θ
H
(50) - -
Viewing
Angle
Ver.
Θ
L
CR≥10
(60) - -
Degrees
Colour Gamut - (65) - %
Brightness Uniformity
(9 points)
B
UNI
-
-
(29)
%
• Measuring Condition: Maximum value of Brightness and Contrast in OSD menu.
• Flicker must be controlled internally.