TM121XG_02L02D TORiSAN, TM121XG_02L02D Datasheet - Page 5

• Manufacturer Part Number: TM121XG_02L02D
• Description: LCD_Module
• Manufacturer: TORiSAN

Tottori SANYO Electric Co., Ltd.
[Note 4] The inverter of ground reference type should be used. The inverter of ground floating
[Note 8] Measurement condition
[Note 1] Backlight driving conditions (operating frequency f
[Note 2] The inverter open voltage should be larger than start up voltage, otherwise backlight
[Note 3] If driving current waveform is asymmetrical, mercury deviation inside of lamp will
BACKLIGHT CHARACTERISTICS
Lamp voltage
Lamp current
Operating frequency
Start up voltage
Lamp life time
[Note 7] Measurement points
I
I
-p
1/6V
1/2V
5/6V
p
type should not be used.
ITEM
horizontal frequency f
Therefore the operating frequency f
frequency f
may blinking for a moment after turns on or not be turned on.
And this voltage should be applied to lamp for more than 1 second to start up,
otherwise backlight may not be turned on.
incline to one side and consequently abnormal lighting may occur.
To prevent such unfavorable lighting, driving current waveform is asked to have
unbalance rate of less than 10% and wave-height rate of less than 2 +/- 10%.
And this driving waveform shall be confirmed in your system.
(1) Measurement equipment: BM-5A (TOPCON Corp.), Field=2 degree
(2) Ambient temperature Ta: 25 +/- 2 degC
(3) LCD: All pixels are WHITE, V
(4) Measure after 30 minutes of lamp warm up.
(5) I
Current waveform
L
=6.0 mArms with the lamp inverter CXA-L0612A-VJL (TDK).
H
1/6H
to avoid interference.
SYM. CONDITIOS MIN
t
V
V
OL
I
f
1
L
L
4
S
L
1/2H
H
, causing the beat or flicker on the display.
3
5/6H
Vp: Total Number of Vertical pixel
Hp: Total Number of horizontal pixel
2
5
10000
3.0
40
-
-
L
TM121XG-02L02D Ver.2
DD
shall be adjusted in relation to horizontal
=3.3V, f
Unbalance rate = | I
Wave-height rate = I
TYP
560
60
-
-
-
I
I
I
p
-p
L
Active area
V
1300
MAX
: High peak value
: Low peak value
: Effective value
6.0
65
=60Hz
-
-
L
especially) may interfere with
mArms
UNIT
Vrms
Vrms
kHz
hrs
p
p
- I
(or I
-p
at I
(Recommended value)
(Recommended value)
at Ta=0 degC
at I
| / I
-p
L
L
) / I
=6.0mArms
=6.0 mArms
L
x 100 (%)
L
NOTE
Ta=25 degC
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