Akai LCT-4216, Руководство по обслуживанию

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Product Specification
1
LC420W02
Liquid Crystal Display
Ver. 1.1 August.12, 2004
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30Min in a
dark environment at 25
±
2
°
C. The values specified are at an approximate distance 50cm from the LCD surface
at a viewing angle of
Φ
and
θ
equal to 0 ° .
It is presented additional information concerning the measurement equipment and method in FIG.1.
LCD Module
Optical Stage(x,y)
Pritchard 880 or
equivalent
50cm
FIG.1 Optical Characteristic Measurement Equipment and Method
Ta= 25
± 2 ° C
, V
LCD
=12.0V, f
V
=60Hz, Dclk=72MHz, V
BR
=3.3V
Table 12. OPTICAL CHARACTERISTICS
With AI
1,000 700 CR with AI
6
Without AI
Gray Scale
5P
y axis, down (
φ
=270 ° )
y axis, up (
φ
=90
°
)
x axis, left (
φ
=180 ° )
x axis, right(
φ
=0
°
)
- 88 85
θ
d
- 88 85
θ
u
- 88 85
θ
l
5 degree
- 88 85
θ
r
Viewing Angle (CR>10)
WHITE
BLUE
GREEN
RED
0.610 Gy
0.282
Gx
0.073 By
0.147
Bx
0.293
Wy
0.281 Wx
Decay Time
Rise Time
ms 16 10 - Tr
D
0.342 Ry
Typ
+0.03
0.639
Typ
-0.03
Rx
Color Coordinates
[CIE1931]
4
ms 16 10 - Tr
R
Response Time
(Gray-to-Gray)
3 1.3
δ
WHITE
Luminance Variation
2 cd/m
2
500 400 L
WH
Surface Luminance, white
1
Note Unit
400 300 CR
Contrast Ratio
Max Typ Min
Value
Symbol Parameter