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Document Version: 1
Date: 2004/09/24
Product Functional Specification
12.1 inch Wide XGA Color TFT LCD Module
Model Name: A121EW01 V0
( ) Preliminary Specification
( ) Final Specification
Note: This Specification is subject to change without notice.
(C) Copyright AU Optronics
Jul., 2004 All Rights Reserved. A121EW01 V0
No Reproduction and Redistribution Allowed.
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Contents
1.0 Handling Precautions ....................................................................................................................... 4
2.0 General Description............................................................................................................................ 5
2.1 Display Characteristics ...................................................................................................................... 5
2.2 Functional Block Diagram.................................................................................................................. 6
3.0 Absolute Maximum Ratings............................................................................................................... 7
4.0 Optical Characteristics....................................................................................................................... 8
5.0 Signal Interface ................................................................................................................................... 8
5.1 Connectors .......................................................................................................................................... 8
5.2 Signal Pin............................................................................................................................................. 8
5.3 Signal Description .............................................................................................................................. 9
5.4 Signal Electrical Characteristics ..................................................................................................... 10
5.5 Signal for Lamp connector .............................................................................................................. 10
6.0 Pixel Format Image ........................................................................................................................... 11
7.0 Parameter guide line for CCFL Inverter .......................................................................................... 11
8.0 Timing
Control................................................................................................................14
8.1 Timing Characteristics ..................................................................................................................... 13
8.2 Timing Definition............................................................................................................................... 13
9.0 Power Consumption ......................................................................................................................... 14
10. Power ON/OFF Sequence................................................................................................................. 15
11.0 Reliability /Safety Requirement ..................................................................................................... 16
12.0 Outline drawing..........................................................................................................18
(C) Copyright AU Optronics
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II Record of Revision
Version and Date Page Old description New Description Remark
V1. 2004/07/23 All First Release NA
V2. 2004/09/20 17-18 Physical Size: Physical Size
275.11(W) x 184.39(H) x 8.8(D) 276.7(W) x 184.7(H) x 8.8(D)
V2. 2004/09/20 5 Physical Size: Physical Size
275.11(W) x 184.39(H) x 8.8(D) 276.7(W) x 184.7(H) x 8.8(D)
(C) Copyright AU Optronics
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1.0 Handling Precautions
1) Do not press or scratch the surface harder than a HB pencil lead because the polarizers are very fragile
and could be easily damaged.
2) Be sure to turn off power supply when inserting or disconnecting from input connector.
3) Wipe off water droplets or oil immediately. Long contact with the droplets 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) Protect the module from static electricity and insure proper grounding when handling. Static electricity
may cause damage to the CMOS Gate Array IC.
7) Do not disassemble the module.
8) Do not press the reflector sheet at the back of the module.
9) Avoid damaging the TFT module. Do not press the center of the CCFL Reflector when it was taken out
from the packing container. Instead, press at the edge of the CCFL Reflector softly.
10) Do not rotate or tilt the signal interface connector of the TFT module when you insert or remove other
connector into the signal interface connector.
11) Do not twist or bend the TFT module when installation of the TFT module into an enclosure (Notebook
PC Bezel, for example). It should be taken into consideration that no bending/twisting forces are applied
to the TFT module from outside when designing the enclosure. Otherwise the TFT module may be
damaged.
12) Cold cathode fluorescent lamp in LCD contains a small amount of mercury. Please follow local regulations for
disposal.
13) The LCD module contains a small amount of material that has no flammability grade, so it should be supplied
by power complied with requirements of limited power source (2.11, IEC60950 or UL1950).
14) The CCFL in the LCD module is supplied with Limited Current Circuit (2.4, IEC60950 or UL1950). Do not
connect the CCFL in Hazardous Voltage Circuit.
(C) Copyright AU Optronics
Jul., 2004 All Rights Reserved. A121EW01 V0
No Reproduction and Redistribution Allowed.
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2.0 General Description
This specification applies to the 12.1 inch wide Color TFT/LCD Module A121EW01 V0
This module is designed for a display unit of Portable Video Devices.
The screen format is intended to support the XGA (1280(H) x 800(V)) screen and 262k colors (RGB 6-bits data
driver).
All input signals are LVDS interface compatible.
This module does not contain an inverter card for backlight.
2.1 Display Characteristics
The following items are characteristics summary on the table under 25 condition:
ITEMS Unit SPECIFICATIONS
Screen Diagonal [mm] 307.9(12.1" wide)
Active Area [mm] 261.12(H) x163.2 (V)
Pixels H x V 1280(x3) x 800
Pixel Pitch [mm] 0.204 x 0.204
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode Normally White
Typical White Luminance(CCFL=6.0mA) [cd/m2] 450 Typ.
Contrast Ratio 350:1
Response Time [msec] 25 Typ.
Nominal Input Voltage VDD [Volt] +3.3 Typ.
Weight [Grams] 550g typ.
Physical Size [mm] 276.7(W) x 184.7(H) x 8.8(D) Max.
Electrical Interface LVDS
Color Depth 262K colors
Temperature Range
Operating [oC] 0 to +60
Storage (Shipping) [oC] -40 to +65
(C) Copyright AU Optronics
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2.2 Functional Block Diagram
The following diagram shows the functional block of the 12.1 inches Color TFT/LCD Module:
X-Driver
(4 pairs LVDS) LCD DRIVE
CARD
RxIN0
RxIN1 LCD
RxIN2 Controller TFT ARRAY/CELL
RxCLKIN 1280 x 3 x 800
DC-DC
Converter
Ref circuit
Backlight Unit
Y-Driver
VDD
GND Lamp Connector(2pin)
Hirose DF19K-20P-1H
JST BHSR-02VS-1
Mating Type DF19G-20S-1C
Mating Type SM02B-BHSS-1-TB
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3.0 Absolute Maximum Ratings
Absolute maximum ratings of the module is as following:
Item Symbol Min Max Unit Conditions
Logic/LCD Drive Voltage VDD -0.3 +4.0 [Volt]
Input Voltage of Signal Vin -0.3 VDD+0.3 [Volt]
CCFL Current ICFL - 7 [mA] rms
CCFL Ignition Voltage Vs - TBD(25oC) Vrms Note 1
Operating Temperature TOP 0 +60 [oC] Note 2
Operating Humidity HOP 5 95 [%RH] Note 2
Storage Temperature TST -25 +65 [oC]
Storage Humidity HST 5 95 [%RH] Note 2
Vibration 1.5, 10-500 [G Hz]
Shock 200, 3 [G ms] Half sine wave
Note 1 : Duration = 3sec
Note 2 : Maximum Wet-Bulb should be 39 and No condensation.
Wet bulb temperature chart
Twb=39