LM201WE3
Liquid Crystal Display
Product Specification
4. The response time is defined as the following figure and shall be measured by switching
the input signal for “black” and “white”.
Response time is the time required for the display to transition from white to black (Rise Time,
TrR) and from black to white (Decay Time, TrD).
%
TrR
TrD
100
90
Optical
white
black
white
response
10
0
FIG. 3 Response Time
5. Viewing angle is the angle at which the contrast ratio is greater than 10 or 5. The angles are
determined for the horizontal or x axis and the vertical or y axis with respect to the z axis
which is normal to the LCD surface. For more information see FIG. 4 .
<Dimension of viewing angle range>
Normal
E
Y
φ
°
= 90 , Up
φ
°
= 180 , Left
θ
φ
φ
°
= 0 , Right
φ
°
= 270 , Down
FIG. 4 Viewing angle
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Ver. 1.0
Jun. 11. 2007
LG [ LG SEMICON CO.,LTD. ]
