CLAA070LB01CW CHUNGHWA PICTURE TUBES, CLAA070LB01CW Datasheet - Page 7

• Manufacturer Part Number: CLAA070LB01CW
• Description: Display Module
• Manufacturer: CHUNGHWA PICTURE TUBES

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3.4 Backlight
[Note]
*1) Table of specifications are definition of single lamp.
*3) Definition of the lamp life time：Luminance(L) under 50% of specification starting lamp voltage.
*4) 1.Frequency in this range can mala the characterisitics of electric and optics maintain in ±10% except hue.
*5) 1.Starting Lamp Voltage: Vs = initial value Vs
*6) If the driving waveform of lamp is asymmetric, the distribution of mercury inside the lamp tube will become
*2) Lamp Current measurement method (The current meter is inserted in cold line)
Lamp Voltage
Lamp Current
Lamp Frequency
Start Lamp Voltage
Lamp life time
Turn on and off life
Power Consumption
2.Lamp frequency of inverter may produce interference with horizontal synchronous frequency (or vertical
2.Definition of starting lamp voltage means max. voltage of starting lamp. We suggest the inverter starting
unequally or will deplete the Ar gas in it. Then it may cause the abnormal phenomenon of lighting-up.
Therefore, designers have to try their best to for fill the conditions under the inverter designing-stage as
below:
synchronous frequency),and this may cause ripple noise on the display. Therefore, please adjust inverter
and module to avoid the interference.
frequency, and keep inverter as far from module as possible or use electronic shielding between inverter
voltage greater then max. voltage of starting lamp to certify starting lamp stability.
Module
LCD
The ratio of wave height：＜√2 ±10 %
Item
The degrees of unbalance： ＜10 %
A：The degrees of unbalance =︱Ip – I-p︱/ Irms ×100 (%)
B：The ratio of wave height = Ip (or I-p) / Irms
Ta=0℃
Ta=25℃
Symbol
7/15
PBL
VL
LT
FI
IL
-
-
_
+
100,000
20,000
Min.
5.0
30
-
A
ELECTRONICS_090331
Ip
I-p
Typ
400
SPEC_CLAA070LB01CW_V0.3_CAPITAL
5.5
2.2
-
-
-
CHUNGHWA PICTURE TUBES, LTD.,
Inverter
Max.
1050
440
800
I p：high side peak
6.0
I-p：low side peak
80
-
-
-
Times
Vrms
Watt
Unit
kHz
mA
Hr
V
Power
Supply
*1) *2) *3)IL=5.5mA，
*1) *2) *3)IL=5.5mA，
operation，time cycle
VL*IL，IL=5.5mA/1
*1)IL=5.5mA
Ta=25℃
operation
*1) *2)
Lamp
Note
30s
*4)
*5)
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