NO.PG12864LRU-ORA-H Rev:0
1.5 Optical Characteristics
1/64 duty, 1/9 bias, Vopr=10.5V, Ta=25°C
Item
Viewing angle
Contrast
Response time(rise)
Response time(fall)
Symbol
θ
C
tr
tf
Conditions
C>2.0,∅=0°
θ=5°, ∅
=
0°
θ=5°, ∅
=
0°
θ=5°, ∅
=
0°
Min.
30°
3
-
-
Typ.
-
5
140ms
300ms
Max
-
-
200ms
500ms
Reference
Notes 1
&
2
Note 3
Note 4
Note 4
Note 1: Definition of angles
θ
and
∅
Light (when reflected) z (θ=0
°
)
Y’(∅=180°)
Sensor
Note 2: Definition of viewing angles
θ1
and
θ2
Cmax.
θ
LCD panel
Contrast
C
2.0
X’
∅
Y(∅=0°)
(θ=90°)
X(∅=90°)
Z’
Light (when transmitted )
Note :
viewing angle
θ
(∅ fixed)
Optimum viewing angle with the same
naked eye and viewing angle
θ
at
Cmax. Above are not always the same.
θ1
θ2
Note 3: Definition of contrast C
C =
Brightness (reflection) of selected dot (B1)
Brightness (reflection) of unselected dot (B2)
Note 4: Definition of response time
(%)
Brightness (reflection) of
selected dot
Brightness
(reflection) of
unselected dot
B2
Brightness
(reflection)
B1
0
operating voltage (v)
Note: Measured with a transflective LCD
panel which is displayed 1 cm
2
V
OPR
: Operating voltage
t
r
: Response time (rise)
f
FRM
: Frame frequency
t
f
: Response time (fall)
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