Seiko Instruments G1216B1N000-3D0E User Manual

Page of 30
AN.No.G1216B1N000-3D0E
- 4 -
Brightness of non-selected dot (reflection) B
2
C =
Brightness of selected dot (reflection)
B1
t
off
t
on
Selected status
(display ON)
10%
B
2
B
1
0
(%)
Operating
voltage(V)
Brightness for selected
dot
Brightness
curve for non-
selected dot
Non-selected
status
100%
90%
V
opr
:  Operating voltage
t
on
: Response time (rise)
f
FRM
:  Frame frequency
t
of
: Response time (fall)
Note: Measurement must be made using a transmissive LCD panel.
V
opr
1/f
FRM
Note 4:  Definition of response time
Note 3: Definition of contrast (C)
Brightness
 (reflection)
Dark
Light
Brightness
(V)
Non-selected status
(display OFF)
1.7 LC panel life time
Life time
1
hrs
100,000 or more
25
°
C
±
10
°
C
<65%RH
Item
Unit
1
  Definition of life time: the time up to occurrence of any of the following:
ž Contrast reduces to 30% of the initial value.
ž Current consumption becomes three times the initial value.
ž Orientation deteriorates significantly.
ž The display malfunctions.
Conditions
Standard
1.8 LED backlight characteristics
(1)
Absolute maximum ratings
mA
V
mW
°
C
°
C
200*
8
860
20  to +70
30  to +80
I
F
V
R
P
D
T
opr
T
stg
DC  forward current
DC reverse voltage
Allowable dissipation
Operating temp.  range
Storage temp. range
Item
Symbol
Standard
Unit
*
Forward current reduction characteristics: The absolute maximum rating of the forward current
varies depending on ambient temperature.
200
50
20
70
I
( mA )
Ta
 
(
°
C)
25