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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
( ) Preliminary Specifications
( V ) Final Specifications
Module 14.1" WXGA Color TFT-LCD
Model Name B141EW04 V4 (H/W : 2A)
Customer Date Approved by Date
LENOVO Howard Lee 2008/06/25
Checked &
Prepared by
Approved by
Yingjung Tung 2008/06/25
Note: This Specification is subject to change without NBBU Marketing Division /
notice. AU Optronics corporation
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
Contents
Record of Revision
1. Handling Precautions .............................................................................................................. 4
2. General Description................................................................................................................. 5
2.1 General Specification .......................................................................................................................... 5
2.2 Optical Characteristics ........................................................................................................................ 6
3. Functional Block Diagram .................................................................................................... 11
4. Absolute Maximum Ratings .................................................................................................. 12
4.1 Absolute Ratings of TFT LCD Module ............................................................................................. 12
4.2 Absolute Ratings of Backlight Unit................................................................................................... 12
4.3 Absolute Ratings of Environment ..................................................................................................... 12
5. Electrical characteristics ...................................................................................................... 13
5.1 TFT LCD Module.............................................................................................................................. 13
5.2 Backlight Unit ................................................................................................................................... 15
6. Signal Characteristic ............................................................................................................. 17
6.1 Pixel Format Image ........................................................................................................................... 17
6.2 The input data format ........................................................................................................................ 18
6.3 Signal Description/Pin Assignment ................................................................................................... 19
6.4 Interface Timing ................................................................................................................................ 21
7. Connector Description .......................................................................................................... 23
7.1 TFT LCD Module.............................................................................................................................. 23
7.2 Backlight Unit ................................................................................................................................... 23
7.3 Signal for Lamp connector ................................................................................................................ 23
8. Vibration and Shock Test ...................................................................................................... 24
8.1 Vibration Test .................................................................................................................................... 24
8.2 Shock Test Spec:................................................................................................................................ 24
9. Reliability ................................................................................................................................ 25
10. Mechanical Characteristics ................................................................................................ 26
10.1 LCM Outline Dimension ................................................................................................................. 26
11. Shipping and Package ........................................................................................................ 29
11.1 Shipping Label Format .................................................................................................................... 29
11.2. Carton package ............................................................................................................................... 30
11.3 Shipping package of palletizing ...................................................................................................... 31
12. Appendix: EDID description ............................................................................................... 32
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
Version and Date Page Old description New Description Remark
0.1 2007/01/15 All First Edition for Customer
0.2 2007/02/27 26 LCM outline dimension Tape position modify
0.3 2007/03/22 21 Timing characteristics update
32 Column 36:EA, Column7F:C2 Column 36:EE, Column7F:BE
0.4 2007/05/08 1 Preliminary Specifications Final Specifications
1 Model Name B141EW04 V4 B141EW04 V4 (H/W : 2A)
0.5 2008/05/15 29 Add China RoHS 15
0.6 2008/06/25 5 2.1 Surface Treatment Haze 25,Reflection value 4.7
6 2.2 Optical Characteristics Color / Chromaticity
15 5.2 Backlight Unit Add Max.
26 10.1 LCM Outline Dimension modify outline Dimension
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
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 nor 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 CFL 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 (Notebook PC Bezel, for
example), 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
B141EW04 V4
2. General Description
B141EW04 V4 is a Color Active Matrix Liquid Crystal Display composed of a TFT LCD panel,
a driver circuit, and backlight system. The screen format is intended to support the WXGA
(1280(H) x 800(V)) screen and 262k colors (RGB 6-bits data driver). All input signals are
LVDS interface compatible. Inverter of backlight is not included.
B141EW04 V4 is designed for a display unit of notebook style personal computer and
industrial machine.
2.1 General Specification
The following items are characteristics summary on the table at 25 condition:
Items Unit Specifications
Screen Diagonal [mm] 357.7 (14.1 W")
Active Area [mm] 303.36(H) x 189.6 (V)
Pixels H x V 1280x3(RGB) x 800
Pixel Pitch [mm] 0.237
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode Normally White
White Luminance (ICCFL=6.0mA) [cd/m2] 200 Typ. (5 points average)
Note: ICCFL is lamp current 170 Min. (5 points average)
(Note1)
Luminance Uniformity 1.3 max. (5 points)
Contrast Ratio 500:1 Typ.,300:1 Min.
Optical Rise Time/Fall Time [msec] 16 Typ., 25 Max.
Nominal Input Voltage VDD [Volt] +3.3 Typ.
Power Consumption [Watt] 5.2 Typ
Weight [Grams] 400 g Typ., 420g Max.
Physical Size [mm] 320 max. (W) x 206 max. (H) x 5.5 max.(T).
Electrical Interface R/G/B Data, 3 Sync, Signals, Clock (4 pairs
LVDS)
Surface Treatment Hard coating 3H, Glare type,Haze
25,Reflction type Normal,Reflection value 4.7
Support Color 262K colors ( RGB 6-bit )
Temperature Range
Operating [oC] 0 to +50
Storage (Non-Operating) [oC] -20 to +60
RoHS Compliance RoHS Compliance
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
2.2 Optical Characteristics
The optical characteristics are measured under stable conditions at 25 (Room Temperature):
Item Unit Conditions Min. Typ. Max. Note
2
White Luminance [cd/m ] 5 points average 170 200 - 1, 4, 5.
ICCFL=6.0mA
Viewing Angle [degree] Horizontal (Right) 40 45 - 9
[degree] CR = 10 (Left)
40 45 -
[degree] Vertical (Upper) 10 20 -
[degree] CR = 10 (Lower)
30 35 -
Luminance Uniformity 5 Points 1.25 1.30 1
Luminance Uniformity 13 Points 1.53 2
CR: Contrast Ratio 300 500 - 6
Cross talk % 1.4 7
Response Time [msec] Rising - 5 8 8
[msec] Falling - 11 17
[msec] Rising + Falling 16 25
Color / Chromaticity Red x
0.545 0.575 0.605
Coordinates Red y
(CIE 1931) 0.305 0.335 0.365
Green x
0.285 0.315 0.345
Green y
0.520 0.550 0.580
Blue x 0.125 0.155 0.185
Blue y 0.105 0.135 0.165
White x 0.285 0.313 0.341
White y 0.309 0.329 0.349
Note 1: 5 points position (Display area : 303.7 (H) x 189.8(V)mm)
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
W
W /4 W /4 W /4 W /4
H /4
1 2
H /4
H 3
H /4
4 5
H /4
Note 2: 13 points position
W
W /4 W /4 W /4 W /4
10 10
10
1 2 3
H /4
4 5
H /4
H 6 7 8
H /4
9 10
H /4 11 12 13
10
Note 3: The luminance uniformity of 5 and 13 points is defined by dividing the maximum luminance values by
the minimum test point luminance
Maximum Brightness of five points
W5 =
Minimum Brightness of five points
Maximum Brightness of thirteen points
W13 =
Minimum Brightness of thirteen points
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
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.
Photo detector
Field=2
50 cm
LCD Panel TFT-LCD Module
Center of the screen
Note 5 Definition of Average Luminance of White (YL):
Measure the luminance of gray level 63 at 5 points YL = [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5
L (x) is corresponding to the luminance of the point X at Figure in Note (1).
Note 6 Definition of contrast ratio:
Contrast ratio is calculated with the following formula.
Brightness on the "White" state
Contrast ratio (CR)=
Brightness on the "Black" state
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Product Specification
AU OPTRONICS CORPORATION
B141EW04 V4
Note 7 Definition of Cross Talk (CT)
CT = | YB