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LM150X08 Datasheet

  • LM150X08

  • LG Semicon Co.,Ltd. [Liquid Crystal Display]

  • 587.37KB

  • LG

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LM150X08
Liquid Crystal Display
Product Specification
Table 2_2. ELECTRICAL CHARACTERISTICS
Values
Min
LAMP :
Operating Voltage
Operating Current
Established Starting Voltage
V
BL
I
BL
Vs
850
1,100
f
BL
Ts
P
BL
40,000
8.96
45
60
80
3
9.86
V
RMS
V
RMS
kHz
Min
Watt
Hrs
4
1, 5
6
1, 7
550(9mA)
3.0
560(8mA)
8.0
650(3mA)
9.0
V
RMS
mA
RMS
1, 2
1
1, 3
Typ
Max
Parameter
Symbol
Unit
Notes
at 25
擄C
at 0
擄C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
Note : The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced by
the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch
of the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD鈥?/div>
Assembly should be operated in the same condition as installed in you instrument.
?
Do not attach a conducting tape to lamp connecting wire.
If the lamp wire attach to a conducting tape, TFT-LCD Module has a low luminance and the inverter
has abnormal action. Because leakage current is occurred between lamp wire and conducting tape.
1. Specified values are for a single lamp.
2. Operating voltage is measured at 25
?
2擄C. The variance of the voltage is
?
10%.
3. The voltage above V
S
should be applied to the lamps for more than 1 second for start-up.
(Inverter open voltage must be more than lamp starting voltage.)
Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
4. 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.
5. Let鈥檚 define the brightness of the lamp after being lighted for 5 minutes as 100%.
T
S
is the time required for the brightness of the center of the lamp to be not less than 95%.
6. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (P
BL
= V
BL
x I
BL
x N
Lamp
)
7. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25
?
2擄C.
Ver. 0.0
Nov. 13, 2003
7 / 28
MIKO Components AB Tel: +46 (0)8 531 939 00 Fax: +46 (0)8 531 939 39
www.miko.se info@miko.se

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