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Product Specification
AU OPTRONICS CORPORATION
G190EG02 V0
2.2 Optical Characteristics
The optical characteristics are measured under stable conditions at 25oC (Room Temperature):
Item Unit Conditions Min.Typ. Max. Note
Horizontal (Right)
CR = 10 (Left)
Viewing Angle [degree]
Vertical (Up)
CR = 10 (Down)
Luminance Uniformity [%] 9 Points 75 80 - 2, 3
Rising 15 25 4,6
Falling 5 15 4,6
Response time [msec]
Rising + Falling 20 40 4,6
75
75
75
75
89
89
89
89
-
1
-
Grey to Grey (Avg.) - 8 16 4,6
Red x 0.6170.6470.677
Red y 0.31 0.34 0.37
Green x 0.2770.3270.377
Color / Chromaticity
Coordinates
(CIE 1931)
Green y 0.5710.6010.641
4
Blue x 0.1120.1420.172
Blue y 0.0370.0670.099
White x 0.2830.3130.34
White y 0.2990.3290.359
Black Luminance
(At LED =100mA)
White Luminance
(At LED =100mA)
[cd/m2 ]
[cd/m2 ]
0.3 0.45 4
450 600 - 4
Contrast Ratio 10002000 - 4
Cross Talk (At 75Hz) [%] - - 1.5 5
Flicker [dB] - - -20
C.G.L
Ӕu’v’
- - 0.02
7
8
Optical Equipment: BM-5A, PR880, SR3, CS1000 or equivalent.
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Product Specification
AU OPTRONICS CORPORATION
Note 1: Definition of viewing angle
Viewing angle is the measurement of contrast ratio Њ10, at the screen center, over a 180° horizontal and
180° vertical range (off-normal viewing angles). The 180° viewing angle range is broken down as follows;
90° (Ӱ) horizontal left and right and 90° (ӥ) vertical, high (up) and low (down). The measurement direction
is typically perpendicular to the display surface with the screen rotated about its center to develop the desired
measurement viewing angle.
G190EG02 V0
Note 2: 9 points position
90 %
50 %
10 %
10 %
50 %
90 %
Note 3: The luminance uniformity of 9 points is defined by dividing the maximum luminance values by the
minimum test point luminance
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Ӭ
W9
Minimum Luminance of 9 points
=
Maximum Luminance of 9 points
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Product Specification
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Note 4: Measurement method
The LCD module should be stabilized at given temperature for 30 minutes to avoid abrupt temperature
change during measuring. In order to stabilize the luminance, the measurement should be executed after
lighting Backlight for 30 minutes in a stable, windless and dark room. ʳ
G190EG02 V0
Photo detector
Field=2
50 cm
Note 5: Definition of Cross Talk (CT)
CT = | YB – YA | / YA Ø 100 (%)
Where
YA = Luminance of measured location without gray level 0 pattern (cd/m2)
YB = Luminance of measured location with gray level 0 pattern (cd/m2)
LCD Panel
Center of the screen
TFT-LCD Module
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Note 6: Definition of response time:
B
A
100%
90%
10%
0%
Optical ResponseDriving Signal
Product Specification
AU OPTRONICS CORPORATION
G190EG02 V0
Time
TrTf
Algorithm:
16 B Level - A Level ≥ then the average of Grey-to-Grey response time is 8ms. ( F= 60 Hz).
Tr
(rising time; from “All Black” to “All White”) + Tr
R
Note 7: Subchecker Pattern
R G B R G B
R G B R G B
G B R G B
Method: Record dBV & DC value with (WESTAR)TRD-100
(Falling time; from “All White” to “All Black”) = 20ms(typ).
F
Gray Level = L127
Gray Level = L0
Time
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Amplitude
DC
log20(dB)Flicker =
Note 8: Color Grayscale Linearity
a. Test imageΚ100% full white pattern with a test pattern as below
b. Test patternΚSquares,40mm by 40mm in size, filled with 255, 225,195,165,135 and 105 grays
steps should be arranged at the center of the screen.
Product Specification
AU OPTRONICS CORPORATION
AC
Time
Hz) 30Level(at AC
Level DC
G190EG02 V0
c. Test method
st
gray scaleΚMove a square of 255 gray level should be moved into the center of the screen
-1
and measure luminance and u’ and v’ coordinates.
- Next gray stepΚMove a 225 gray square into the center and measure both lumince and
coordinates, too.
d. Test evaluation
22
)''()''(''
vvuuvu−+−=Δ
BABA
Where A,BΚ2 gray levels found to have the largest color differences between them
i.e. get largest
'uΔ and 'vΔof each 6 pair of 'u and 'v and calculate '' vuΔ
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Product Specification
G190EG02 V0
AU OPTRONICS CORPORATION
3. Functional Block Diagram
The following diagram shows the functional block of the 19.0 inches Color TFT-LCD Module:
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Product Specification
AU OPTRONICS CORPORATION
G190EG02 V0
4. Absolute Maximum Ratings
Absolute maximum ratings of the module are as following:
4.1 Absolute Ratings of TFT LCD Module
Item Symbol Min. Max. Unit Conditions
Logic/LCD Drive
oltage
VDD -0.3 +6 [Volt] Note 1, 2
4.2 Absolute Ratings of Backlight Unit
Item Symbol Min. Max. Unit Conditions
LED Current ILED - 100 [mA] rms Note 1, 2
4.3 Absolute Ratings of Environment
Item Symbol Min. Max. Unit Conditions
Operating TemperatureTOP 0 +50 [oC]
Operation Humidity HOP 5 90 [%RH]
Storage Temperature TST -20 +60 [oC]
Storage Humidity HST
5 90
[%RH]
Note 3
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Product Specification
G190EG02 V0
AU OPTRONICS CORPORATION
Note 1: With in Ta= 25
o
C
Note 2: Permanent damage to the device may occur if exceed maximum values
Note 3: For quality performance, please refer to AUO IIS (Incoming Inspection Standard).
Operating Range Storage Range
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Product Specification
G190EG02 V0
AU OPTRONICS CORPORATION
5. Electrical characteristics
5.1 TFT LCD Module
Input power specifications are as follows:
Symble Parameter Min. Typ. Max. Unit Condition
VDD
IDD Input Current - 1.50 1.80 [A]
PDD VDD Power - 7.5 9.0 [Watt]
Logic/LCD Drive
Voltage
4.5 5.0 5.5 [Volt] ±10%
VDD= 5.0V, All White Pattern
At 60Hz
VDD= 5.0V, All White Pattern
At 60Hz , Note 1
IRush Inrush Current - 2 3 [A] Note 2
Note 1: The variance of VDD power consumption is ±10%.
Note 2: Measurement conditions:
+5.0V
R1
47K
(High to Low)
Control
Signal
SW1
SW MAG-SPST
12
+12.0V
C2
1uF/25V
R2
1K
VR1
47K
D6
D5
D2S
D1
G
C3
0.01uF/25V
Q3
AO6402
D2SD1D5
G
D6
Q3
AO6402
F1
90%
C1
1uF/16V
VCC
(LCD Module Input)
5.0V
VDD rising time
0V
10%
470 us
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Product Specification
AU OPTRONICS CORPORATION
5.2 Backlight Unit
Following characteristics are measured under a stable condition at 25
Symbol Parameter Min. Typ.Max. Unit Remark
VCC Input Voltage 12
I
Input Current 3.96
VCC
P
VCC
Irush LEDInrush Current - 4.3 -
F
PWM
Swing Voltage - 3.3 -
Dimming Duty Cycle10 - 100
Power Consumption47.5 51
Dimming Frequency200 20K
[Volt]
[A] 100% PWM Duty
[Watt]100% PWM Duty
[A] at rising time=470us
[Hz]
V
%
G190EG02 V0
IF LED Forward Current100 mA Ta = 25oC
- - - Volt
VF LED Forward Voltage
- 3.33 - Volt IF =100mA, Ta = 25oC
- - -
P
LED
Operation
Lifetime
LED Power
Consumption
- 40 - Watt
50,000
Hrs IF=100mA, Ta= 25oC
=100 mA, Ta = 25oC
I
F
Note 1: Ta means ambient temperature of TFT-LCD module.
Note 2: VCC, Ivcc, P
Note 3: I
, VF , P
F
LED
Irush
VCC ,
LED are defined for LED B/L.(100% duty of PWM dimming)
are defined for LED Light Bar. There is two LED channel (AN1-CA1-CA2) in back light unit.
Note 4: If G190EG02 V0 module is driven by high current or at high ambient temperature & humidity condition. The
operating life will be reduced.
Note 5: Operating life means brightness goes down to 50% initial brightness. Minimum operating life time is estimated
data.
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Product Specification
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6. Signal Characteristic
6.1 Pixel Format Image
Following figure shows the relationship of the input signals and LCD pixel format.
1st Line
0 1 12791280
R G B R GB
G190EG02 V0
R G B R G B
1024th Line
R G B R GB
R G B R G B
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6.2 The Input Data Format
Product Specification
AU OPTRONICS CORPORATION
G190EG02 V0
Note1: Normally, DE, VS, HS on EVEN channel are not used.
Note2: Please follow VESA.
Note3: 8-bit in
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Product Specification
AU OPTRONICS CORPORATION
G190EG02 V0
6.3 Signal Description
The module using a pair of LVDS receiver SN75LVDS82(Texas Instruments) or compatible. LVDS is a
differential signal technology for LCD interface and high speed data transfer device. Transmitter shall be
SN75LVDS83(negative edge sampling) or compatible. The first LVDS port(RxOxxx) transmits odd pixels
while the second LVDS port(RxExxx) transmits even pixels.
PIN # SIGNAL NAME DESCRIPTION
1 RxOIN0- Negative LVDS differential data input (Odd data)
2 RxOIN0+ Positive LVDS differential data input (Odd data)
3 RxOIN1- Negative LVDS differential data input (Odd data)
4 RxOIN1+ Positive LVDS differential data input (Odd data)
5 RxOIN2- Negative LVDS differential data input (Odd data, H-Sync,V-Sync,DSPTMG)
6 RxOIN2+ Positive LVDS differential data input (Odd data, H-Sync,V-Sync,DSPTMG)