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1. ABSOLUTE MAXIMUM RATINGS
1.1 Environment Absolute Maximum Ratings
The following items are maximum values which, if exceeded, may cause faulty operation or
damage to the LCD module.
TFT Module
Parameter Symbol
Va l ue
Min. Max.
Operating
Temperature
Storage
Temperature
Altitude
Operating
Vibration
(Non-Operating)
TOP 0 50 ć (1),(2),(3)
TST -20 60 ć (1),(3)
AOP 0 5000 M (3)
AST 0 12000 M (3)
Notes : 1) Temperature and relative humidity range is shown in the figure below.
(a) 90 %RH Max. (Taİ40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Unit Note
2) The maximum operating temperature is based on the test condition that the surface
temperature of display area is less than or equal to 65 ºC with LCD module alone in a
temperature controlled chamber. Thermal management should be considered in final
product design to prevent the surface temperature of display area from being over 65 ºC.
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The range of operating temperature may degrade in case of improper thermal management
in final product design.
3) The rating of environment is base on LCD module. Leave LCD cell alone, this environment
condition can’t be guaranteed. Except LCD cell, the customer has to consider the ability
of other parts of LCD module and LCD module process.
1.2 BACKLIGHT UNIT
1.2.1 TFT LCD MODULE
ITEM Symbol
Va l ue
Unit Note
Min. Max.
Power Supply Voltage
VCC -0.3 13.0 V (1)
1.2.2 BACKLIGHT UNIT
ITEM Symbol
Va l ue
Unit Note
Min. Max.
Lamp Voltage Vw - 3000 VRMS
Power Supply VoltageVBL 030 V (1)
Control Signal Level -0.3 7 V (1),(3)
Note (1) Permanent damage to the device may occur if maximum values are exceeded. Functional
operation should be restricted to the conditions described under normal operating conditions.
Note (2) No moisture condensation or freezing.
Note (3) The control signals includes Backlight On/Off Control, I_PWM Control, E_PWM Control and
ERR signal for inverter status output.
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2. INITIAL OPTICAL CHARACTERISTICS
The following optical characteristics are measured under stable conditions. It takes about 30 minutes to
reach stable conditions. The measuring point is the center of display area unless otherwise noted. The
optical characteristics should be measured in a dark room or equivalent state.
Measuring equipment˖SR-3 and LIPS
Ambient Temperature=25±2°C, V
=12.0V, fV=60Hz, Dclk=74.25MHz V
LCD
Item Symbol Condition Min. Typ. Max. UnitNote
Red
Green
Color
Chromaticity
Blue
white
Center Transmittance T% - 5.8 ˁ (1),(7)
Contrast Ratio CR
Response Time
White Variation W x=0°, y=0° 1.5 - (1),(6)
Horizontal
Viewing
Angle
Vertical
x 0.652
y 0.332
x 0.277
y 0.598
x 0.145
y 0.066
x=0°, y=0° viewing
angle at normal
direction
Typ.- 0.03
x 0.285
y
0.293
x=0°, y=0°
2000 3000 - (1),(3)
Gray to
gray
average
+
80 88 -
X
-
X
+
80 88 -
Y
-
Y
x=0°, y=0° with
Module@60Hz
CRı20
- 6.5 12 ms (4)
80 88 -
80 88 -
Note (1) Driving voltages are based on suitable gamma voltages.
The calculated method is as following:
1. Measure module’s and backlight’s spectrum. White and R, G, B are with signal input.
2. Calculate cell’s spectrum.
Note (2) Definition of Viewing Angle (x, y):
Viewing angles are measured by EZ-Contrast 160R (Eldim)
=1.65V, EXTV
BR_A
Typ.+0.03 - (1),(5)
Deg. (1),(2)
BR_B
=100%
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Note (3) Definition of Contrast Ratio (CR):
The contrast ratio can be calculated by the following expression.
Contrast Ratio (CR) = L255 / L0
L255: Luminance of gray level 255
L 0: Luminance of gray level 0
CR = CR (5), where CR (X) is corresponding to the Contrast Ratio of the point X at the figure
in Note (6).
Note (4) Definition of Gray to Gray Switching Time:
The driving signal means the signal of gray level 0, 123, 168, 202, 230, 255. Gray to gray average
time means the average switching time of gray level 0, 123, 168, 202, 230, 255 to each other.
Note (5) Measurement Setup:
The LCD module should be stabilized at given temperature for 60 minutes to
avoid abrupt temperature change during measuring. In order to stabilize the luminance,
the measurement should be executed after lighting Backlight for 60 minutes in a windless room.
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