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LP171WU1 Datasheet(PDF) 6 Page - LG Semicon Co.,Ltd.

Part No. LP171WU1
Description  17.1 WUXGA TFT LCD
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Maker  LG [LG Semicon Co.,Ltd.]
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Product Specification
6 / 27
LP171WU1
Liquid Crystal Display
Ver. 1.0
Mar, 19, 2007
3. Electrical Specifications
3-1. Electrical Characteristics
The LP171WU1 requires two power inputs. One is employed to power the LCD electronics and to drive the
TFT array and liquid crystal. The second input which powers the CCFL, is typically generated by an
inverter. The inverter is an external unit to the LCD.
Table 2. ELECTRICAL CHARACTERISTICS
9
5.26
4.84
-
P
BL
Power Consumption
8
V
RMS
V
RMS
1300
1500
Vs
Established Starting Voltage
at 25℃
at 0 ℃
LAMP :
3
V
RMS
930
(3.0mA)
745
(6.5mA)
710
(6.8mA)
V
BL
Operating Voltage
4
mA
RMS
6.8
6.5
3.0
I
BL
Operating Current
7
kHz
70
60
40
f
BL
Operating Frequency
5
Min
3
-
-
Ts
Discharge Stabilization Time
6
Hrs
-
-
15,000
Life Time
2
Ohm
110
100
90
Zm
Differential Impedance
1
Watt
2.70
2.15
-
Pc
Power Consumption
V
DC
3.6
3.3
3.0
VCC
Power Supply Input Voltage
1
mA
750
650
I
CC
Power Supply Input Current
MODULE :
Parameter
Symbol
Max
Typ
Min
Notes
Unit
Values
Note)
1. The specified current and power consumption are under the Vcc = 3.3V , 25℃, fv = 60Hz condition
whereas Mosaic pattern is displayed and fv is the frame frequency.
2. This impedance value is needed to proper display and measured form LVDS Tx to the mating connector.
3. The variance of the voltage is ± 10%.
4. The typical operating current is for the typical surface luminance (L
WH) in optical characteristics.
5. Define the brightness of the lamp after being lighted for 5 minutes as 100%, Ts is the time required for
the brightness of the center of the lamp to be not less than 95%.
6. The life time is determined as the time at which brightness of lamp is 50% compare to that of initial value
at the typical lamp current.
7. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform.(Asymmetrical ratio is less than 10%) Please do not use the inverter
which has asymmetrical voltage and asymmetrical current and spike wave.
Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may
cause beat on the display. Therefore lamp frequency shall be as away possible from the
horizontal synchronous frequency and from its harmonics in order to prevent interference.
8. The voltage above VS should be applied to the lamps for more than 1 second for start-up. Otherwise, the
lamps may not be turned on. The used lamp current is the lamp typical current.
9. The lamp power consumption shown above does not include loss of external inverter.
The applied lamp current is a typical one.




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