Seiko Instruments G1216B1N000-3D0E - Manual (Page 8)

AN.No.G1216B1N000-3D0E
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(2) Electrical and optical characteristics
V
mA
4.4
0.9
4.1

3.8

I
F
=90 mA
V
R
=8 V
V
F
I
R
Forward voltage
Reverse current
Ta = 25
°
C
Item Symbol Meas. condition Max. Typ. Min. Unit
(3) LED backlight connection diagram
Number of LED
chips=20
LEDC
LEDA
(4) Brightness (panel upper side)
nit

2.0 1.0
Surface brightness
(Center of LCD panel)
B
P
Measurement conditions and a measuring instrument are:
ž Ta=25
°
C
±
3
°
C
ž 30 to 85%RH
ž I
F
= 90 mA
ž f
FRM
=71.4 Hz
ž V
LC
: Optimum LC drive voltage
ž Display OFF (Entire display data=“L”)
ž Measured 30 minutes after LED lights
ž Measuring instrument: BM - 7 (TOPCON)
Item Symbol Max. Typ. Min. Unit
(5) Life time
1 Definition of life time: The time until the brightness decreases to one half the initial
brightness.
hrs 50,000 or more
Ta=25
°
C
±
10
°
C
I
F
=90 mA
Life time 1
Item Measurement conditions Standard Unit