SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE

MODEL NO: 16235

PACIFIC DISPLAY DEVICES

07.01.2003

14

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.

80

°C

200 hrs

------

2

Low temperature

storage

Endurance test applying the low storage

temperature for a long time.

-30

°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.

70

°C

200 hrs

------

4

Low temperature

operation

Endurance test applying the electric stress

under low temperature for a long time.

-20

°C

200 hrs

------

5

High temperature

/

Humidity storage

Endurance test applying the high temperature

and high humidity storage for a long time.

80

°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.

70

°C , 90 %RH

96 hrs

MIL-202E-103B

JIS-C5023

7

Temperature cycle

Endurance test applying the low and high

temperature cycle.

-20

°C / 70°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

70

°C

30min.

-20

°C

30min.