Optical Characteristics - HP L1902 Service Manual

5.2 Optical Characteristics

LG LM190E03
Parameter
Contrast Ratio
Surface Luminance, white
Luminance Variation
Rise Time
Response time
Decay Time
RED
GREEN
Color
Coordinates
BLUE
WHITE
Viewing Angle(CR>5)
x axis, right(=0°)
x axis, right(=180°)
y axis, up(=90°)
y axis, down(=270°)
Viewing Angle(CR>10)
x axis, right(=0°)
x axis, right(=180°)
y axis, up(=90°)
y axis, down(=270°)
Gray Scale
Ta= 25°C, V
Symbol
Min
CR 300
L 200
WH
δ 5P
WHITE
TrR -
TrD -
Rx
Ry
Gx
Gy Typ
-0.03
Bx
By
Wx
Wy
r 70
l 70
u 70
d 70
r 60
l 60
u 60
d 60
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HP L1902 Service Manual
=5.0V, f =60Hz ,D
V
LCD
Values
Typ Max
500 -
250 -
1.3
4 6
12 24
0.639
0.342
0.297
0.615 Typ
+0.03
0.146
0.068
0.313
0.329
80
80
80
80
70
70
70
70
2.2
=54MHz
clk
Units Notes
1
cd/m² 2
3
ms 4
ms 4
degree 5
degree 5
6