SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 240128-06
Pacific Display Devices
03.07.2006
29
4. RELIABILITY
Environmental Test
No
.
Test Item
Content of Test
Test Condition
Applicable
Standard
1
High temperature
storage
Endurance test applying the high storage
temperature for a long time.
60
°C
200 hrs
------
2
Low temperature
storage
Endurance test applying the low storage
temperature for a long time.
-10
°C
200 hrs
------
3
High temperature
operation
Endurance test applying the electric stress
(Voltage & Current) and the thermal stress to
the element for a long time.
50
°C
200 hrs
------
4
Low temperature
operation
Endurance test applying the electric stress
under low temperature for a long time.
0
°C
200 hrs
------
5
High temperature
/
Humidity storage
Endurance test applying the high temperature
and high humidity storage for a long time.
60
°C , 90 %RH
96 hrs
MIL-202E-103B
JIS-C5023
6
High temperature
/
Humidity operation
Endurance test applying the electric stress
(Voltage & Current) and temperature
/ humidity
stress to the element for a long time.
40
°C , 90 %RH
96 hrs
MIL-202E-103B
JIS-C5023
7
Temperature cycle
Endurance test applying the low and high
temperature cycle.
-10
°C / 60°C
10 cycles
------
Mechanical Test
8
Vibration test
Endurance test applying the vibration during
transportation and using.
10
∼22Hz → 1.5mmp-p
22
∼500Hz → 1.5G
Total 0.5hrs
MIL-202E-201A
JIS-C5025
JIS-C7022-A-10
9
Shock test
Constructional and mechanical endurance test
applying the shock during transportation.
50G Half sign
wave 1l msedc
3 times of each direction
MIL-202E-213B
10
Atmospheric
pressure test
Endurance test applying the atmospheric
pressure during transportation by air.
115 mbar
40 hrs
MIL-202E-105C
Others
11
Static electricity test
Endurance test applying the electric stress to the
terminal.
VS=800V , RS=1.5 k
Ω
CS=100 pF
1 time
MIL-883B-
3015.1
∗∗∗ Supply voltage for logic system = VDD. Supply voltage for LCD system = Operating voltage at 25°C
■ LCD Panel Service Life
Definition of panel service life
•
100,000 hours minimum at 25° C ±10%
•
Contrast becomes 30% of initial value
•
Current consumption becomes three times higher than initial value
•
Remarkable alignment deterioration occurs in LCD cell layer
•
Unusual operation occurs in display functions
25
°C
5min.
1 cycle
70
°C
30min
-20
°C
30min
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