AUO B121EW09 V3 Specification
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Product Specification
AU OPTRONICS CORPORATION
( ) Preliminary Specifications
(V ) Final Specifications
Module WXGA Color TFT-LCD with LED Backlight design
Model Name B121EW09 V3 (H/W:1A)
Note ( )
Customer Date
Checked &
LED Backlight with driving circuit design
Approved by Date
Howard Lee 2009/12/24
Date
Prepared by Date
Approved by
Note: This Specification is subject to change
without notice.
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Donna Yang 2009/12/24
NBBU Marketing Division /
AU Optronics corporation
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Contents
1. Handling Precautions .............................................................. 5
2. General Description................................................................. 6
2.1 General Specification ..................................................................................................................... 6
2.2 Optical Characteristics.................................................................................................................... 7
3. Functional Block Diagram...................................................... 12
4. Absolute Maximum Ratings ................................................... 13
4.1 Absolute Ratings of TFT LCD Module..........................................................................................13
4.2 Absolute Ratings of Backlight Unit................................................................................................13
4.3 Absolute Ratings of Environment ..................................................................................................13
5. Electrical characteristics ....................................................... 14
5.1 TFT LCD Module.........................................................................................................................14
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
6.5 Power ON /OFF Sequence............................................................................................................23
7. Connector Description ........................................................... 24
7.1 TFT LCD Module.........................................................................................................................24
8. 8. LED Driving Specification .................................................. 25
8.1 Connector Description ..................................................................................................................25
8.2 Pin Assignment..............................................................................................................................25
9. Vibration and Shock Test ................................................................................................................26
9.1 Vibration Test................................................................................................................................26
9.2 Shock Test Spec:...........................................................................................................................26
10. Reliability ............................................................................ 27
11. Mechanical Characteristics .................................................. 28
11.1 LCM Outline Dimension..............................................................................................................28
11.2 Screw Hole Depth and Center Position........................................................................................30
12. Shipping and Package ......................................................... 31
12.1 Shipping Label Format ................................................................................................................31
12.2 Carton package...........................................................................................................................32
12.3 Shipping package of palletizing sequence.....................................................................................32
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13. Appendix: EDID description ................................................ 33
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Record of Revision
Version and Date Page Old description New Description Remark
0.1 2009/1/21
0.2 2009/5/12 32 Update shipping label
0.3 2009/6/09 6 Update min. brightness
0.3 2009/6/09 7 Update Color Chromaticity
0.3 2009/6/09 23
0.4 2009/7/22 16
0.4 2009/7/22 23
0.5 2009/9/29 37
1.0 2009/11/01 29
1.0 2009/11/01 31
1.1 2009/12/24 29
1.1 2009/12/24 31
Update Power ON /OFF Sequence
Update duty ratio min. spec
Update Power ON /OFF Sequence
Delete IIS data
Update 2D graph
Update shipping label (add H/W &
F/W)
Update 2D graph
Update shipping label
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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) 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) 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.
13)Disconnecting power supply before handling LCD modules, it can prevent electric shock, DO
NOT TOUCH the electrode parts, cables, connectors and LED circuit part of TFT module
that a LED light bar build in as a light source of back light unit. It can prevent electrostic
breakdown.
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2. General Description
B121EW09 V3 is a Color Active Matrix Liquid Crystal Display composed of a TFT LCD panel, a
driver circuit, and LED 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) with LED backlight driving
circuit. All input signals are LVDS interface compatible.
B121EW09 V3 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 ʚ condition:
Items Unit Specifications
Screen Diagonal [mm] 307.9 (12.1W”)
Active Area [mm] 261.12(H) X 163.20(V)
Pixels H x V 1280x3(RGB) x 800
Pixel Pitch [mm] 0.204X0.204
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode Normally White
White Luminance
(I
LED
=20mA)
[cd/m
2
] 220 typ. (5 points average)
187 min. (5 points average)
Luminance Uniformity 1.25 max. (5 points)
Contrast Ratio 300 typ
Response Time [ms] 16 typ / 25 Max
Nominal Input Voltage VDD [Volt] +3.3 typ.
Power Consumption [Watt] 3.87 max.(Include Logic and BLU power)
Weight [Grams] 295 max.
Physical Size [mm]
L W T
Max 276.3 178.6 5.3
Typical 275.8 178.1 -
Min 275.3 - -
Electrical Interface 1 channel LVDS
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Surface Treatment Anti-glare (Haze=42%(typ.))
-Anti-reflection
-Anti-electrostatic
-Hardness
Support Color 262K colors ( RGB 6-bit )
Temperature Range
Operating
Stora
Non-Operatin
[oC]
o
C
0 to +50
-20 to +60
RoHS Compliance RoHS Compliance
2.2 Optical Characteristics
The optical characteristics are measured under stable conditions at 25ʚ (Room Temperature) :
Item Symbol Conditions Min. Typ. Max. Unit Note
2H
White Luminance
I
LED
=20mA
Viewing Angle
Luminance
Uniformity
Luminance
Uniformity
Contrast Ratio CR
Cross talk %
Response Time
Red
Color /
Green
Chromaticity
Coodinates
Blue
White
5 points average
R
L
H
L
5P
13P
Horizontal (Right)
CR = 10 (Left)
Vertical (Upper)
CR = 10 (Lower)
5 Points
13 Points
300 -
4
Tr Rising
Tf Falling
T
Rising + Falling
RT
Rx
Ry
Gx
Gy
Bx
CIE 1931
By
Wx
Wy
187 220 - cd/m
40
40
10
30
45
45
20
40
-
degre
-
-
-
- - 1.25
- - 1.54
_
-
- _ -
-
msec
- 16 25
0.530 0.560 0.590
0.320 0.350 0.380
0.315 0.345 0.375
0.530 0.560 0.590
0.120 0.150 0.180
0.075 0.105 0.135
0.283 0.313 0.343
0.299 0.329 0.359
2
1, 4, 5.
e
4, 9
1, 3, 4
2, 3, 4
4, 6
4, 7
4, 8
4
NTSC %
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Note 1: 5 points position (Ref: Active area)
H/4
H/4
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AU OPTRONICS CORPORATION
W
W/4 W/4 W/4 W/4
12
H
H/4
H/4
Note 2: 13 points position (Ref: Activ e area)
W/4
10
10
H/4
H/4
H
H/4
1
6
3
45
W
W/4
W/4
2
W/4
10
3
45
7
9
10
8
H/4
10
11
12
13
Note 3: The luminance uniformity of 5 or13 points is defined by dividing the maximum luminance values by the
minimum test point luminance. Length unit
Maximum Brightness of five points
Ӭ
=
W5
Minimum Brightness of five points
Maximum Brightness of thirteen points
W13
=
Minimum Brightness of thirteen points
Ӭ
Note 4: Measurement method
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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
Note 5Ǻ Definition of Average Luminance of White (Y
Measure the luminance of gray level 63 at 5 pointsǴY
L (x) is corresponding to the luminance of the point X at Figure in Note (1).
Note 6Ǻ Definition of contrast ratio:
Contrast ratio is calculated with the following formula.
htness on the “White” state
Bri
):
L
= [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5
L
Contrast ratio (CR)=
htness on the “Black” state
Bri
Note 7Ǻ Definition of Cross Talk (CT)
-
B
CT = | Y
Where
A
Y
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– YA | / YA × 100 (%)
= Luminance of measured location without gray lev el 0 pattern (cd/m2)
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YB = Luminance of measured location with gray level 0 pattern (cd/m2)
Note 8: Definition of response time:
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The output signals of BM-7 or equivalent are measured when the input signals are changed from “Black” to
“White” (falling time) and from “W hite” to “Black” (rising time), respectively. The response time interval between
the 10% and 90% of amplitudes. Refer to figure as below.
"Black"
100%
S
ig
90%
n
a
l(
R
e
la
t
iv
e
v
a
lu
10%
e
)
0%
Tr
Tf
"White""White"
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Note 8. Def inition of viewing angle
Viewing angle is the measurement of contrast ratio ɪ10, at the screen center, ov er a 180° horizontal an d 180°
vertical range (off -normal viewing angles). The 180° viewing angle range is broken down as follows; 90 ° ( θ)
horizontal left and right and 90° ( Φ) 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.
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3. Functional Block Diagram
The following diagram shows the functional block of the 12.1 inches wide Color TFT/LCD 30 Pin (One ch/connector
Module)
Tcon
Tcon
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LED
LED
LED
LED
LED
LED
LED
LED
LED
LED
Power
Power
Power
Power
Power
Power
Power
Power
Power
Power
r
r
r
o
o
o
t
t
t
c
c
c
e
e
e
onn
onn
onn
Connector
Connector
Connector
C
C
C
ector
ector
ector
ector
ector
ector
n
n
n
n
n
n
n
n
n
n
n
n
o
o
o
o
o
o
C
C
C
C
C
C
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
LVDS
receiver
receiver
receiver
receiver
receiver
receiver
receiver
DC
DC
Power
Power
Panel
Panel
Panel
Panel
Panel
Panel
Panel
Controller
Controller
Controller
Controller
Controller
Controller
Controller
DC/DC
DC/DC
DC/DC
DC/DC
DC/DC
DC/DC
converter
converter
converter
converter
converter
converter
Gamma
Gamma
Gamma
Gamma
Gamma
Gamma
Gamma
Gamma
Gamma
Correction
Correction
Correction
Correction
Correction
Correction
Correction
Correction
Correction
Generation
Generation
Generation
Generation
Generation
Generation
Generation
Generation
Generation
Circuit
Circuit
Circuit
Circuit
Circuit
Circuit
Circuit
Circuit
Circuit
LED Driver
LED Driver
LED Driver
LED Driver
LED Driver
Boost and
Boost and
Boost and
Boost and
Boost and
Current Balance
Current Balance
Current Balance
Current Balance
Current Balance
circuit
circuit
circuit
circuit
circuit
Control
Control
signal
signal
Gamma1~14
Gamma1~14
4 strings,9 pcs / strin
6 strings, 7pcs/string
6 strings, 7pcs/string
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
TFT-LCD
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
1280*(3)*800
Pixels
Pixels
Pixels
Pixels
Pixels
Pixels
Pixels
Pixels
Pixels
Source Driver IC
Source Driver IC
Source Driver IC
Source Driver IC
Source Driver IC
Source Driver IC
Source Driver IC
Source Driver IC
LED light bar
LED light bar
LED light bar
LED light bar
LED light bar
Gate Driver ICGate Driver ICGate Driver ICGate Driver ICGate Driver ICGaGate Driver ICGate Driver ICGate Driver IC
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4. Absolute Maximum Ratings
An absolute maximum rating of the module is as following:
4.1 Absolute Ratings of TFT LCD Module
Item Symbol Min Max Unit Conditions
Logic/LCD Drive
4.2 Absolute Ratings of Backlight Unit
Item Symbol Min Max Unit Conditions
LED Driving Voltage
LED Driv ing Current I
4.3 Absolute Ratings of Environment
Item Symbol Min Max Unit Conditions
Operating Temperature TOP 0 +50 [oC] Note 4
Operation Humidity HOP 5 90 [%RH] Note 4
Storage Temperature TST -20 +60 [oC] Note 4
Storage Humidity HST
Vin -0.3 +4.0 [Volt] Note 1,2
-
V
LED
-
LED
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30
5 90
[Volt] Note 1,2,3
[mA] rms Note 1,2,3
[%RH]
Note 4
Note 1: At Ta (25ʚ )
Note 2: Permanent damage to the device may occur if exceed maximum values
Note 3: LED specification refer to section 5.2
Note 4: For quality performance, please refer to AUO IIS (Incoming Inspection Standard).
Twb=39°C
Operating Range
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5. Electrical characteristics
5.1 TFT LCD Module
5.1.1 Power Specification
Input power specifications are as follows;
Symble Parameter Min Typ Max Units Note
VDD Logic/LCD Drive
PDD VDD Power - 0.78 0.9 [Watt] Note 1/2
IDD IDD Current
I
Rush
Inrush Current - - 2000 [mA]
VDDrp Allowable
Logic/LCD Drive
Ripple Voltage
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3.0 3.3 3.6 [Volt]
- 235 -
- - 100 [mV]
[mA]
p-p
Note 1/2
Note 3
Note 1 : Maximum Measurement ConditionǺBlack Pattern
Note 2ǺTypical Measurement Condition: Mosaic Pattern
Note 3ǺMeasure Condition
90%
10%
0V
0.5ms
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3.3V
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5.1.2 Signal Electrical Characteristics
Input signals shall be low or High-impedance state when VDD is off.
Signal electrical characteristics are as follows;
Parameter Condition Min Max Unit
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V
TH
Differential Input High
Threshold (Vcm=+1.2V)
V
TL
Differential Input Low
Threshold (Vcm=+1.2V)
|VID|
Differential Input
Voltage 100 600 [mV]
V
CM
Note: LVDS Signal Waveform
Differential Input
Common Mode Voltage
-100
1.125
100
[mV]
-
[mV]
1.375
[V]
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5.2 Backlight Unit
LED Parameter guideline for LED driving selection (Ref. Remark 1)
Parameter
LED Forward Voltage VF 3.0 3.2 3.4 [Volt]
LED Forward Current IF 20 [mA]
LED Power
consumption
LED Life-Time
Symbol
P
2.71 2.97
LED
Min Typ Max Units Condition
N/A 12,000 - -
[Watt]
Hour
(Ta=25 )к
(Ta=25 )к
(Ta=25 )к
Note 1
(Ta=25 )к
IF=20 mA
Note 2
Output PWM frequency
Duty ratio
Note 1: Calculator value for reference IF×VF× 36/ efficiency (85%) = P (typ.); P (max) estimated with I
tolerance.
Note 2: The LED life-time define as the estimated time to 50% degradation of initial luminous.
FPWM 100 200 20K
-- 1 -- 100
Hz
%
Note 3
F and VF
Note 3: Output PWM frequency< 5K Hz.
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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.
1 1280
1st Line
800th Line
R G B R G B
R G B R G B
R G B R G B
R G B R G B
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6.2 The input data format
Signal Name Description
R5
R4
R3
R2
R1
R0
Red Data 5 (MSB)
Red Data 4
Red Data 3
Red Data 2
Red Data 1
Red Data 0 (LSB)
Red-pixel Data
Each red pixel's brightness data consists of
these 6 bits pixel data.
Red-pixel Data
G5
G4
G3
G2
G1
G0
Green Data 5 (MSB)
Green Data 4
Green Data 3
Green Data 2
Green Data 1
Green Data 0 (LSB)
Green-pixel Data
Each green pixel's brightness data consists of
these 6 bits pixel data.
Green-pixel Data
B5
B4
B3
B2
B1
B0
Blue Data 5 (MSB)
Blue Data 4
Blue Data 3
Blue Data 2
Blue Data 1
Blue Data 0 (LSB)
Blue-pixel Data
Each blue pixel's brightness data consists of
these 6 bits pixel data.
Blue-pixel Data
RxCLKIN Data Clock The typical frequency is 69.3 MHZ. The signal is
used to strobe the pixel data and DE signals. All
pixel data shall be valid at the falling edge when
the DE signal is high.
DE Display Timing This signal is strobed at the falling edge of
RxCLKIN. When the signal is high, the pixel
data shall be valid to be displayed.
VS Vertical Sync The signal is synchronized to RxCLKIN .
HS Horizontal Sync The signal is synchronized to RxCLKIN .
Note: Output signals from any system shall be low or High-impedance state when VDD is off.
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6.3 Signal Description/Pin Assignment
LVDS is a differential signal technology for LCD interface and high speed data transfer device.
Connector PN: FI-XB30SL-HF10
GND
GND
(7~21V)
(7~21V)
(7~21V)
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Note1: Signal Start from right side
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6.4 Interface Timing
6.4.1 Timing Characteristics
Basically, interface timings should match the 1280x800 /60Hz manufacturing guide line timing.
Parameter Symbol Min. Typ. Max. Unit
Frame Rate - - 60 - Hz
Clock frequency 1/ T
Period TV 808 816 1023
Vertical
Active TVD 800 800 800
Section
Blanking T
Period TH 1310 1408 2047
Horizontal
Active THD 1280 1280 1280
Section
Blanking T
Note : DE mode only
50- 69.3 80- MHz
Clock
T
8 16 223
VB
T
Clock
30 128 767
HB
Line
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6.4.2 Timing diagram
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DOTCLK
Input
Data
DE
DE
T
CLOCK
Invaild
Data
T
HB
Input Timing Definition ( DE Mode)
Pixel
1
T
VB
Pixel
2
T
Pixel
3
T
HD
H
T
V
Pixel
N-1
T
VD
Pixel
N
Invaild
Data
Pixel
1
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