MODEL LTA460HW04 Doc. No 06-000-G-20120405 Page
Samsung Secret
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2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S, TOPCON SR-3 ,ELDIM EZ-Contrast
(Ta = 25 ± 2°C, VDD=12V, fv= 120Hz, f
DCLK
= 297 MHz, LED Current = 165 mA)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
C/R - 5000 -
(1)
SR-3
Response
Time
G-to-G Tg
Normal
qL,R =0
qU,D =0
Viewing
Angle
- 8 - msec
(3)
RD-80S
Luminance of White
(Center of screen)
Y
L
- 400 - cd/m
2
(4)
SR-3
Color
Chromaticity
(CIE 1931)
Red
Rx
TYP.
-0.03
0.649
TYP.
+0.03
(5),(6)
SR-3
Ry 0.333
Green
Gx 0.318
Gy 0.624
Blue
Bx 0.145
By 0.057
White
Wx 0.280
Wy 0.290
Color Gamut - - 70 - %
(5)
SR-3
Color Temperature - - 10,000 - K
Viewing
Angle
Hor.
q
L
C/R≥10
75 89 -
Degree
(6)
EZ-Contrast
q
R
75 89 -
Ver.
q
U
75 89 -
q
D
75 89 -
White Brightness
Uniformity
(9 Points)
B
uni
- - 30 %
(2)
SR-3
- Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
40min and 60min after lighting the back light at the given temperature for stabilization
of the back light. This should be measured in the center of screen.
Environment condition : Ta = 25 ± 2 °C