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LB070WV1-TD03 Schematic ( PDF Datasheet ) - LG

Teilenummer LB070WV1-TD03
Beschreibung Display Module
Hersteller LG
Logo LG Logo 




Gesamt 24 Seiten
LB070WV1-TD03 Datasheet, Funktion
www.DataSheet4U.com
Product Specification
SPECIFICATION
FOR
APPROVAL
LB070WV1
Liquid Crystal Display
( ) Preliminary Specification
( ) Final Specification
Title
BUYER
MODEL
7.0” WVGA (800 x RGB x 480) TFT LCD
SUPPLIER
*MODEL
Suffix
LG.Philips LCD Co., Ltd.
LB070WV1
TD03
SIGNATURE
/
/
/
DATE
SIGNATURE
C.S. KYEONG / G.Manager
REVIEWED BY
S.D. JUNG / Manager
/ Manager
PREPARED BY
C.S. SO / Engineer
B.G. YOON / Engineer
DATE
Please return 1 copy for your confirmation with
your signature and comments.
Products Engineering Dept.
LG. Philips LCD Co., Ltd
Preliminary Ver. 0.0
June. 16, 2006
1 / 24






LB070WV1-TD03 Datasheet, Funktion
www.DataSheet4U.com
Product Specification
LB070WV1
Liquid Crystal Display
3. Electrical Specifications
3-1. Electrical Characteristics
The LB070WV1 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.
Parameter
MODULE :
Power Supply Input Voltage
Power Supply Input Current
Power Consumption
LAMP :
Operating Voltage
Operating Current
Power Consumption
Operating Frequency
Discharge Stabilization Time
Life Time
Table 2. ELECTRICAL CHARACTERISTICS
Symbol
Values
Min Typ
VCC
ICC
Pc
3.0 3.3
- 285
- 0.94
530 540
VBL
(6.5mA)
(6.0mA)
IBL 3.0 6.0
PBL - 3.24
fBL 40 60
Ts - -
20,000
-
Established Starting Voltage
at 25
at -30
Vs
Max
3.6
330
1.09
630
(3.0mA)
6.5
3.57
80
3
-
950
1350
Unit Notes
VDC
mA
Watt
1
1
VRMS
mARMS
kHz
Min
Hrs
VRMS
VRMS
2
3
8
6
4
5
7
Note)
1. The specified current and power consumption are under the Vcc = 3.3V , 25, fv = 60Hz condition
whereas “Full Black Pattern” is displayed and fv is the frame frequency.
2. The variance of the voltage is ± 10%.
3. The typical operating current is for the typical surface luminance (LWH) in optical characteristics.
4. 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%.
5. 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.
6. 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.
7. 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.
8. The lamp power consumption shown above does not include loss of external inverter.
The applied lamp current is a typical one.
Preliminary Ver. 0.0
June. 16, 2006
6 / 24

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LB070WV1-TD03 pdf, datenblatt
www.DataSheet4U.com
3-6. Power Sequence
Product Specification
LB070WV1
Liquid Crystal Display
90%
90%
10%
Power Supply For LCD 0V
( VCC )
T1
T2
10%
T5 T6
T7
Interface Signal
0V
Valid Data
T3 T4
Power for Lamp OFF
LAMP ON
OFF
Parameter
T1
T2
T3
T4
T5
T6
T7
Table 7. POWER SEQUENCE TABLE
Value
Min.
Typ.
Max.
0.5 - 10
0 - 50
200 -
-
200 -
-
0 - 50
0 - 10
400 -
-
Units
(ms)
(ms)
(ms)
(ms)
(ms)
(ms)
(ms)
Note)
1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for LCD VCC to 0V.
3. Lamp power must be turn on after power supply for LCD and interface signal are valid.
Preliminary Ver. 0.0
June. 16, 2006
12 / 24

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