NL10276AC30_04L NEC, NL10276AC30_04L Datasheet - Page 28

• Manufacturer Part Number: NL10276AC30_04L
• Description: TFT COLOR LCD MODULE
• Manufacturer: NEC

18. RELIABILITY TEST
19. ESTIMATED LIFE-TIME OF THE BARE LAMP
ESTIMATED LIFE-TIME OF THE BARE LAMP
ESTIMATED LIFE-TIME OF THE BARE LAMP
ESTIMATED LIFE-TIME OF THE BARE LAMP
*1: Display function is checked by the same condition as LCD module out-going inspection.
*2: Physical damage
*3: Discharge points are shown in the figure.
Conditions
Estimated
(MTTF)
Criteria
High temperature/humidity
operation
Heat cycle (operation)
Thermal shock
Vibration (non-operation)
Mechanical shock
ESD
Dust
(non-operation)
Note1: The life-time is estimated value (reference).
Note2: This estimated value is based on the test results with a bare lamp operation. The MTTF for the
Note3: The life-time becomes short if the module is operated under the low temperature environment.
Note4: This module consists of two lamps. Even though one of the lamps goes off, all the lamps may go
(operation)
(non-operation)
off.
module may be different from these values, because of the influence of ambient and clamshell
conditions.
Test items
(operation)
value
○
○
○
Bare lamp
Luminance Maximum
Room temp.（25±2℃）, Continuous operation
40,000h ( IL=6.0mArms)
Half value luminance (compared with initial value.)
50±2℃, RH=85%
240 hours, Display data is black.
① 0℃±3℃･･･1 hour
② 50 cycles , 4 hours/cycle
③ Display data is black.
① -20℃±3℃･･･30 minutes
60℃±3℃･･･30 minutes
② 100 cycles
③ Temperature transition time is within
① 5-100Hz, 19.6m/s
② 50 times each direction
① 294m/s
② 3 times each direction
150pF, 150Ω, ±10kV
9 places on a panel *3
10 times each place at one-second intervals
15 kinds of dust (JIS-Z 8901)
Hourly 15 seconds stir, 8 times repeat
○
○
○
55℃±3℃･･･1 hour
5 minutes.
X,Y,Z direction
X,Y,Z direction
○
○
○
2
, 11ms
Test conditions
2
, 1 minute/cycle,
NEC Corporation
Note 1,3
Note 2
DOD-H-8237
*1
*1
*1
*1, *2
*1, *2
*1
*1
Judgment
28/33