ACER M255UW02 V0 Specification
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Product Specification
AU OPTRONICS CORPORATION
M255UW02 V0
( V ) Preliminary Specification
( ) Final Specification
Module
Model Name
25.5” WUXGA Color TFT-LCD
M255UW02 V0
Customer Date
Approved by
Checked &
Approved by
-:/LQ
Prepared by
+DQQLH<HK
Date
2007/9/11
2007/9/11
Note: This Specification is subject to change without
notice.
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Desktop Display Business Group /
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Product Specification
AU OPTRONICS CORPORATION
M255UW02 V0
Contents
1. Handling Precautions........................................................................................5
2. General Description ..........................................................................................6
2.1 Display Characteristics ...................................................................................................... 6
2.2 Optical Characteristics …………………………………………………………………………...6
3. Functional Block Diagram ..............................................................................12
4. Absolute Maximum Ratings............................................................................13
4.1 TFT LCD Module …………………….………………………………………………………… 11
4.2 Backlight Unit ………………………………………………………………………………… .. 11
4.3 Absolute Ratings of Environment ……………………………………………………………..11
5. Electrical characteristics ................................................................................13
5.1 TFT LCD Module ............................................................................................................. 14
5.1.1 Power Specification ………………………...……………………………………………..12
5.1.2 Signal Electrical Characteristic …………………………………………………………...13
5.2 Backlight Unit................................................................................................................... 14
5.3 Inverter Electrical Characteristic………………………………………………………………..15
6. Signal Characteristic.......................................................................................14
6.1 Pixel Format Image ......................................................................................................... 14
6.2 The Input Data Format .................................................................................................... 14
6.3 Signal Description ………………………………………………………………………………. 16
6.4 Interface Timing............................................................................................................... 14
6.4.1 Timing Characteristics …………………………………………………………………… 18
6.4.2 Timing Diagram …………………………………………………………………………... 19
6.5 Power ON/OFF Sequence............................................................................................... 14
7. Connector & Pin Assignment .........................................................................14
7.1 TFT LCD Module ............................................................................................................. 14
7.1.1 Connector………………………………………………………………………………….. 21
7.1.2 Pin Assignment …………………………………………………………………………… 21
7.2 Backlight Unit................................................................................................................... 14
7.2.1 Signal for Inverter…………………………………………………………………………..23
7.2.2 Signal for Lamp Connector………………………………………………………………. 24
8. Reliability Test .................................................................................................14
9. Shipping Label.................................................................................................14
10. Mechanical Characteristics ..........................................................................14
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Version
and Date
0.1
2007/7/12
0.2
2007/9/11
6
6
6
Page Old description New Description Remark
First Edition for Customer
All
N/A SPD technology full name and Motion Picture
6
Power Consumption = 75W (Typ.
with Invertor)
Weight = 3450 grams (Max.)
Surface treatment = Hard-coating
(3H), Anit-Glare type
Viewing Angle Horizontal (Right)+
7
7
(Left) CR = 10: 150
ш
(Typ.)
160
N/A
Color / Chromaticity
Coordinates (CIE 1931) is TBD
7
11
12
N/A
N/A
N/A
14
IDD input current and PDD VDD
power are TBD.
14
16
17
17
N/A
I
input current and PB input power
DDB
are TBD.
V
ON/OFF
condition: Lamp ON =
High / Lamp OFF =
Low
17
N/A
Product Specification
AU OPTRONICS CORPORATION
Record of Revision
All
Response Time 8ms (Typ.)
Power Consumption = 68W (Typ., SPD off) / 70W
Weight = 4200 grams (Typ.) Modified
Surface treatment = Hard-coating (2H), Glare type Modified
ш
(min.),
Backlight on/off control
Viewing Angle Horizontal (Right)+ (Left) CR = 10:
MPRT (SPD on) 8ms (Typ.); 15ms (Max.)
Define SPD measurement.
DC power input inverter +24V
IDD input current and PDD VDD power when SPD is
IDD in
CCFL Operation Current (ICFL) condition VBR=1.65V
I
V
M255UW02 V0
(Typ., SPD on)
160
ш
(min.), 170ш(Typ.)
Conditions Min. Typ. Max.
Red x 0.626 0.656 0.686
Red y 0.302 0.332 0.362
Green x 0.185 0.215 0.245
Green y 0.647 0.677 0.707
Blue x 0.117 0.147 0.177
Blue y 0.030 0.070 0.100
White x 0.283 0.313 0.343
White y 0.299 0.329 0.359
on.
ut current = 1.0 mA (Typ., SPD off)/1.4mA
(Max., SPD off), 1.4mA (T
SPD on); PDD VDD
off)/7.0W (Max., SPD off), 7.9W (T
(Max., SPD on)
input current =2.6A (Typ.)/3.0A (Max.); PB input
DDB
power = 62.4W (Typ.) /72.0W (Max.)
ON/OFF
Backlight on/off control condition:
Enable/Disable the inverter.
., SPD on)/1.8mA (Max.,
ower = 5.0W (Typ., SPD
., SPD on)/9.0W
Add
Modified
Modified
Add
Modified
Add
Add
Add
Modified
Add
Modified
Modified
Add
17
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4. The life is determined as the time
4. The life is determined as the time at which
Modified
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at which luminace of the lamp is
50% compared to that of initial
value at the typical lamp current
on condition of continuous
operating at 25±2C
5.
Electrical charecteristics are
determined after the unit has
been ‘ON’ and stable for
approximately 30min at 25±2C
Vertical Section Period = 1212 th
(min.), Blanking = 12 th (min.);
20
Horizontal Section Blanking = 80 tclk
(min.); Frame Rate Frequency
min/Max is TBD.
N/A
20
26
High Temperature Operation (HTO)
required condition: 50%RH
Vibration Test (Non-operation)
required condition: Wave: Half-sine,
26
Frequency: 10-200Hz.
Product Specification
M255UW02 V0
AU OPTRONICS CORPORATION
luminace of the lamp is 50% compared to that of
initial value at the typical lamp current on condition
of continuous operating at 25±2
к/
5. Electrical charecteristics are determined after the
unit has been ‘ON’ and stable for approximately
30min at 25±2
к
.
.
Vertical Section Period = 1210 th (min.), Blanking = 10
th (min.) ; Horizontal Section Blanking = 90 tclk (min. );
Frame Rate Frequency = 47Hz (min.), 65Hz (Max.)
Modified
Note 1: Typical value refer to VESA STANDARD
Note 3: When panel is operated at SPD mode, the
Add
timing is recommended at typical value.
N/A
Delete
Vibration Test (Non-operation) required condition:
Wave: Sine, Frequency: 10-300Hz.
Modified
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Product Specification
M255UW02 V0
AU OPTRONICS CORPORATION
1. Handling Precautions
1) Since front polarizer is easily damaged, pay attention not to scratch it.
2) Be sure to turn off power supply when inserting or disconnecting from input connector.
3) Wipe off water drop immediately. Long contact with water may cause discoloration or spots.
4) When the panel surface is soiled, wipe it with absorbent cotton or other soft cloth.
5) Since the panel is made of glass, it may break or crack if dropped or bumped on hard surface.
6) Since CMOS LSI is used in this module, take care of static electricity and insure human earth when
handling.
7) Do not open or modify the Module Assembly.
8) Do not press the reflector sheet at the back of the module to any directions.
9) In case if a Module has to be put back into the packing container slot after once it was taken out from the
container, do not press the center of the CCFL reflector edge. Instead, press at the far ends of the CCFL
Reflector edge softly. Otherwise the TFT Module may be damaged.
10) At the insertion or removal of the Signal Interface Connector, be sure not to rotate nor tilt the Interface
Connector of the TFT Module.
11) After installation of the TFT Module into an enclosure, do not twist nor bend the TFT Module even
momentary. At designing the enclosure, it should be taken into consideration that no bending/twisting forces
are applied to the TFT Module from outside. Otherwise the TFT Module may be damaged.
12) Cold cathode fluorescent lamp in LCD contains a small amount of mercury. Please follow local ordinances or
regulations for disposal.
13) Small amount of materials having no flammability grade is used in the LCD module. The LCD module should be
supplied by power complied with requirements of Limited Power Source (IEC60950 or UL1950), or be applied
exemption.
14) The LCD module is designed so that the CCFL in it is supplied by Limited Current Circuit (IEC60950 or UL1950).
Do not connect the CCFL in Hazardous Voltage Circuit.
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Product Specification
AU OPTRONICS CORPORATION
M255UW02 V0
2. General Description
This specification applies to the 25.5 inch-wide Color TFT-LCD Module M255UW02
The display supports the WUXGA (1920(H) x 1200(V)) screen format and 16.7M colors (RGB 6 bits + Hi-FRC data) and
using Simulated Pulsed Driving (SPD) technology with fast response time to reduce motion blur.
All input signals are 2 channel LVDS interface compatible.
This module contains an inverter card for backlight.
2.1 Display Characteristics
The following items are characteristics summary on the table under 25 к condition:
Items Unit Specifications
Screen Diagonal [mm] 648.7 (25.5”)
Active Area [mm] 550.1 (H) x 343.8 (V)
Pixels H x V 1920 x 3 (RGB) x 1200
Pixel Pitch [mm] 0.287 x 0.287
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode TN Mode, Normally White
White Luminance [cd/m2]
Contrast Ratio 1000:1 (Typ),
Optical ResponseTime [msec] 5ms (Typ. on/off)
Moving Picture Response Time msec 8ms (Typ. SPD function on)
Nominal Input Voltage VDD [Volt] +5.0 V
Power Consumption
(VDD line + CCFL line)
Weight [Grams] 4200 (Typ.)
Physical Size (H x V x D) [mm] 582.0 (W) x 375.6 (H) x 41.5 (D) (Typ.)
Electrical Interface Dual Channel LVDS
Support Colors 16.7M colors (6 bits + Hi-FRC)
Temperature Range
Operating
Storage (Shipping)
Surface Treatment Hard-coating (2H), Glare type
RoHS Compliance RoHS Compliance
[Watt] 68W (Typ., SPD off) / 70W (Typ., SPD on)
o
C]
[
o
C]
[
450 cd/m
0 to +50
-20 to +60
2 @ 6.0mA (Typ)
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Product Specification
M255UW02 V0
AU OPTRONICS CORPORATION
2.2 Optical Characteristics
The optical characteristics are measured under stable conditions at 25к (Room Temperature):
Item Unit Conditions Min. Typ. Max. Note
Horizontal (Right)+ (Left)
Viewing Angle [degree]
Vertical (Up) + (Down)
CR = 10
CR = 10
Luminance Uniformity [%] 9 Points 80 85 -
Rising - 3.4 5.7
Falling - 1.6 2.3
Optical Response Time [msec]
Rising + Falling - 5 8
MPRT (SPD on) 8 15
Red x 0.626 0.656 0.686
Red y 0.302 0.332 0.362
Green x 0.185 0.215 0.245
Color / Chromaticity
Green y 0.647 0.677 0.707
Coordinates
(CIE 1931)
Blue x 0.117 0.147 0.177
Blue y 0.030 0.070 0.100
160 170 -
150 160 -
Note 1
Note 2, 3
Note 4, 6
Note 8
White x 0.283 0.313 0.343
White y 0.299 0.329 0.359
White Luminance
(At CCFL= 6.0mA)
Contrast Ratio Normal Direction 600 1000 -
Cross Talk (At 60Hz) [%] - - 1.5
Flicker [dB] - - -20
2
] 300 450 -
[cd/m
Note 4
Note 4
Note 5
Note 7
Optical Equipment Pattern Generator, Power Supply, Digital Voltmeter, Luminance meter (PR 880, BM-5A, BM 7,
CS-1000 & EZContrast*)
ш
Aperture 1
with 100cm VD or 2шwith 50cm viewing distance
Test Point Center (VESA point 9)
Environment < 1 lux
*EZContrast is different meaurement tool with very close viewing distance.
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Note 1: Definition of viewing angle: measured by ELDIM (EZContrast 88)
Viewing angle is the measurement of contrast ratio 10, 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° (ș)
horizontal left and right and 90° (ĭ) 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.
Њ
M255UW02 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
Ӭ
W9
Minimum Luminance of 9 points
=
Maximum Luminance of 9 points
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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
M255UW02 V0
Photo detector
Field=2
50 cm
Note 5: Definition of Cross Talk (CT)
CT = | YB – YA | / YA
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)
Ø
LCD Panel
Center of the screen
100 (%)
TFT-LCD Module
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Note 6: Definition of response time:
The output signals of photo detector are measured when the input signals are changed from “Full Black” to “Full White”
(rising time), and from “Full White” to “Full Black” (falling time), respectively. The response time is interval between the
10% and 90% of amplitudes. Please refer to the figure as below.
M255UW02 V0
Note 7: Subchecker Pattern
R G B R G B
Gray Level = L127
R G B R G B
R G B R G B
Method: Record dBV & DC value with (WESTAR)TRD-100
Amplitude
DC
Gray Level = L0
AC
Time
Hz) 30Level(at AC
log20(dB)Flicker =
Level DC
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