Mermaid Technology 150 User Manual
Page 20
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.