Contec 12.1, Руководство пользователя

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2.
Display Optical Specifications
Table 2.3. Display Optical Specifications
Parameter Condition Min. Typ.
 = 180° 55deg 65deg
Visual angle
(vertical)

= 0° 65deg 75deg

= +90° 70deg 80deg Visual angle
(horizontal)
CR  10
 = -90°
Display.
Monochrome
70deg 80deg
Surface brightness
(at center) Display in white 150cd/m
2
200cd/m
2
* “Surface brightness” represents a numerical value per display. The expected brightness through a touch panel is about
80% lower than the above value.
Contrast ratio (CR) =
Brightness at screen center with white displayed
Brightness at screen center with black displayed
Left
(  = -90
o
)
Z
Y
X
Top
(  = 180
o
)
Right
(

= 90
o
)
Bottom
(

= 0
o
)
(

= 0
o
)
Measurement direction

Module

Figure 2.1. Definition of viewable range
CAUTION
The above optical specification data shows optical characteristics of the liquid crystal in the display;
the data does not represent the actual view on the display or its viewing angles.
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PT-955LS-AC User’s manual