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N121I2-L01
Specification
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CMO N121I2-L01 Specification

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Issued Date: Sep. 14, 2005
Approval
- CONTENTS -
REVISION HISTORY
1. GENERAL DESCRIPTION
1.1 OVERVIEW
1.2 FEATURES
1.3 APPLICATION
1.4 GENERAL SPECIFICATIONS
1.5 MECHANICAL SPECIFICATIONS
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
2.2 ELECTRICAL ABSOLUTE RATINGS
2.2.1 TFT LCD MODULE
2.2.2 BACKLIGHT UNIT
3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE
3.2 BACKLIGHT UNIT
4. BLOCK DIAGRAM
4.1 TFT LCD MODULE
4.2 BACKLIGHT UNIT
5. INPUT TERMINAL PIN ASSIGNMENT
5.1 TFT LCD MODULE
5.2 BACKLIGHT UNIT
5.3 TIMING DIAGRAM OF LVDS INPUT SIGNAL
5.4 COLOR DATA INPUT ASSIGNMENT
5.5 EDID DATA STRUCTURE
5.6 EDID SIGNAL SPECIFICATION
6. INTERFACE TIMING
6.1 INPUT SIGNAL TIMING SPECIFICATIONS
6.2 POWER ON/OFF SEQUENCE
7. OPTICAL CHARACTERISTICS
7.1 TEST CONDITIONS
7.2 OPTICAL SPECIFICATIONS
8. PRECAUTIONS
8.1 HANDLING PRECAUTIONS
8.2 STORAGE PRECAUTIONS
8.3 OPERATION PRECAUTIONS
9. PACKING ------------------------------------------------------- 25
9.1 CARTON
9.2 PALLET
10. DEFINITION OF LABELS
10.1 CMO MODULE LABEL
10.2 CARTON LABEL
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Version Date
Ver 3.0
Sep.14,’05
Page
(New)
Section Description
All
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REVISION HISTORY
Approval specification for acer/Quanta first issued.
All
Issued Date: Sep. 14, 2005
Approval
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1 GENERAL DESCRIPTION
1.1 OVERVIEW
N121I2 -L01 is a 12.1” TFT Liquid Crystal Display module with single CCFL Backlight unit and 20 pins
LVDS interface. This module supports 1280 x 800 Wide-XGA mode and can display 262,144 colors. The
optimum viewing angle is at 6 o’clock direction. The inverter module for Backlight is not built in.
1.2 FEATURES
- Thin and light weight
- WXGA (1280 x 800 pixels) resolution
- 3.3V LVDS (Low Voltage Differential Signaling) interface with 1 pixel/clock
- Meet RoHS requirement
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1.3 APPLICATION
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note Active Area 261.12 (H) x 163.2 (V) (12.1” diagonal) mm Bezel Opening Area 264.12 (H) x 166.2 (V) mm Driver Element a-si TFT active matrix - ­Pixel Number 1280 x R.G.B. x 800 pixel ­Pixel Pitch 0.204 (H) x 0.204 (V) mm ­Pixel Arrangement RGB vertical stripe - ­Display Colors 262,144 color ­Transmissive Mode Normally white - ­Surface Treatment Hard coating (2H), glare type - -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal(H) 275.3 275.8 276.3 mm
Module Size
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Vertical(V) 177.5 178 178.5 mm Depth(D) - 5.2 5.5 mm
Weight - 260 275 g -
(1)
(1)
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p
g
p
)
2 ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item Symbol
Storage Temperature TST -20 +60 ºC (1) Operating Ambient Temperature TOP 0 +50 ºC (1), (2) Shock (Non-Operating) S Vibration (Non-Operating) V
Note (1) Temperature and relative humidity range is shown in the figure below.
(a) 90 %RH Max. (Ta Љ 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
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Value
Min. Max.
- 200 G (3), (5)
NOP
- 1.5 G (4), (5)
NOP
Unit Note
Note (2) The temperature of panel surface should be 0 ºC Min. and 50 ºC Max.
Note (3) 2ms, half sine wave, 1 time for ± X, ± Y, ± Z.
Note (4) 10 ~ 500Hz, 0.5 Hr/cycle, 0.5hr each X, Y, Z,
Relative Humidity
100
90
80
60
O
erating Range
40
20
Stora
5
erature (ºC
Tem
e Range
8060 -20 40020-40
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough
so that the module would not be twisted or bent by the fixture.
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2.2 ELECTRICAL ABSOLUTE RATINGS
2.2.1 TFT LCD MODULE
Item Symbol
Power Supply Voltage Vcc -0.3 +4.0 V Logic Input Voltage VIN -0.3 Vcc+0.3 V
2.2.2 BACKLIGHT UNIT
Item Symbol
Lamp Voltage VL - 2.5K V Lamp Current IL 3.0 6.5 mA Lamp Frequency FL 45 80 KHz
Note (1) Permanent damage to the device may occur if maximum values are exceeded. Function operation
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Value
Min. Max.
Value
Min. Max.
Unit Note
Unit Note
Issued Date: Sep. 14, 2005
Approval
(1)
(1), (2), IL = 6.0 mA
RMS
RMS
(1), (2)
should be restricted to the conditions described under Normal Operating Conditions.
Note (2) Specified values are for lamp (Refer to Section 3.2 for further information
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3 ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max. Power Supply Voltage Vcc 3.0 3.3 3.6 V ­Ripple Voltage VRP - 100 mV ­Rush Current I
Power Supply Current
Logical Input Voltage
White - 290 - mA (3)a Black “H” Level VIL - - +100 mV ­“L” Level V
- 1.2 1.5 A (2)
RUSH
lcc
-100 - - mV -
IH
- 350 - mA (3)b
Terminating Resistor RT - 100 - Ohm ­Power per EBL WG P
- 2.982 - W (4)
EBL
Note (1) The module should be always operated within above ranges.
Note (2) Measurement Conditions:
Value
Unit Note
Approval
+3.3V
R1
47K
Q1 2SK1475
FUSE
C3
1uF
Vcc
(LCD Module Input)
(High to Low)
(Control Signal)
SW
+12V
C1
1uF
VR1
R2
1K
47K
0.01uF
Q2
2SK1470
C2
Vcc rising time is 470us
+3.3V
0.9Vcc
0.1Vcc
GND
470us
Note (3) The specified power supply current is under the conditions at Vcc = 3.3 V, Ta = 25 ± 2 ºC, DC
Current and f
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= 60 Hz, whereas a power dissipation check pattern below is displayed.
v
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Note (4) The specified power are the sum of LCD panel electronics input power and the inverter input
a. White Pattern
Active Area
power. Test conditions are as follows.
(a) Vcc = 3.3 V, Ta = 25 ± 2 ºC, f
(b) The pattern used is a black and white 32 x 36 checkerboard, slide #100 from the VESA file
“Flat Panel Display Monitor Setup Patterns”, FPDMSU.ppt.
(c) Luminance: 60 nits.
= 60 Hz,
v
b. Black Pattern
Active Area
(d) The inverter used is provided from O2Micro(www.o2micro.com). CMO doesn’t provide the
inverter in this product.
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3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Lamp Input Voltage VL 540 600 660 V
Lamp Current IL
Lamp Turn On Voltage VS
2.0 (1),(2)
3.0
- - 1,220 (25 deg C) V
- - 1,380 (0 deg C) V Operating Frequency FL 45 - 80 KHz (5) Lamp Life Time LBL 10,000 - - Hrs (7) Power Consumption PL - 3.6 - W (4), IL = 6.0 mA
Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below:
Value
Unit Note
6.0 6.5 mA
IL = 6.0 mA
RMS
RMS
(4)
RMS
(4)
RMS
Approval
(1),(3)
LCD
Module
HV (Pink)
LV (White)
1
2
Current Meter
Inverter
A
Note (2) for burst mode inverter design
Note (3) for continuous mode inverter design
Note (4) The voltage shown above should be applied to the lamp for more than 1 second after startup.
Otherwise the lamp may not be turned on.
Note (5) The lamp frequency may generate interference with horizontal synchronous frequency from the
display, and this may cause line flow on the display. In order to avoid interference, the lamp
frequency should be detached from the horizontal synchronous frequency and its harmonics as far
as possible.
Note (6) P
= IL ØVL
L
Note (7) The lifetime of lamp is defined as the time when it continues to operate under the conditions at Ta
= 25 ²2
o
C and IL = 6.0 mA
until one of the following events occurs:
RMS
(a) When the brightness becomes Љ 50% of its original value.
(b) When the effective ignition length becomes Љ 80% of its original value. (Effective ignition
length is defined as an area that the brightness is less than 70% compared to the center point.)
Note (8) The waveform of the voltage output of inverter must be area-symmetric and the design of the
inverter must have specifications for the modularized lamp. The performance of the Backlight,
such as lifetime or brightness, is greatly influenced by the characteristics of the DC-AC inverter for
the lamp. All the parameters of an inverter should be carefully designed to avoid generating too
much current leakage from high voltage output of the inverter. When designing or ordering the
inverter please make sure that a poor lighting caused by the mismatch of the Backlight and the
inverter (miss-lighting, flicker, etc.) never occurs. If the above situation is confirmed, the module
should be operated in the same manners when it is installed in your instrument.
The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform.(Unsymmetrical ratio is less than 10%) Please do not use the inverter
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