DVF20400 데이터 시트보기 (PDF) - Unspecified
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DVF20400 Datasheet PDF : 22 Pages
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: DV-20400-S1FBLY/R22
3. RELIABILITY
3.1 Reliability
Test item
Test condition
Evaluation and assessment
Operation at high
temperature and
humidity
40 oC±2 oC
90%RH for 500hours
No abnormalities in
functions* and
appearance**
Operation at high
temperature
Heat shock
Low temperature
60 oC±2 oC for 500 hours
-20± ~ +60 oC Left for 1
hour at each temperature,
transition time 5 min,
repeated 10times
-20±2 oC for 500 hours
No abnormalities in
functions* and
appearance**
No abnormalities in
functions* and
appearance**
No abnormalities in
functions* and
appearance**
Vibration
Sweep for 1 min at 10 Hz,
55Hz, 10Hz, amplitude
1.5mm 2 hrs each in the
X,Y and Z directions
No abnormalities in
functions* and
appearance**
Drop shock
Dropped onto a board from
a height of 10cm
No abnormalities in
functions* and
appearance**
* Dissipation current, contrast and display functions
** Polarizing filter deterioration, other appearance defects
3.2 Liquid crystal panel service life
100,000 hours minimum at 25 oC±10 oC
3.3 Definition of panel service life
l Contrast becomes 30% of initial value
l Current consumption becomes three times higher than initial value
l Remarkable alignment deterioration occurs in LCD cell layer
l Unusual operation occurs in display functions
DATA VISION
03/09/19
10 / 22
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