CMO N121I3-L0B Specification
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TFT LCD Approval Specification
MODEL NO.: N121I3 - L0B
Dell P/N: Y165G
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
Customer : Dell
pproved by :
Note :
2008-05-09
19:52:40 CST
PMMD
Director
cs_lee(ޕݳᆣ
Director Accept
/56510/44926)
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
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. INVERTER SPECIFICATION
6.1CONNECTOR TYPE
6.2 INPUT CONNECTOR PIN ASSIGNMENT
6.3 OUTPUT CONNECTOR PIN ASSIGNMENT
6.4 GENERAL ELECTRICAL SPECIFICATION
7.INTERFACE TIMING ------------------------------------------------------- 25
7.1 INPUT SIGNAL TIMING SPECIFICATIONS
7.2 POWER ON/OFF SEQUENCE
8. OPTICAL CHARACTERISTICS
8.1 TEST CONDITIONS
8.2 OPTICAL SPECIFICATIONS
9. PRECAUTIONS
9.1 HANDLING PRECAUTIONS
9.2 STORAGE PRECAUTIONS
9.3 OPERATION PRECAUTIONS
10. PACKING ------------------------------------------------------- 32
10.1 CARTON
------------------------------------------------------- 4
------------------------------------------------------- 5
------------------------------------------------------- 6
------------------------------------------------------- 8
------------------------------------------------------- 10
------------------------------------------------------- 13
------------------------------------------------------- 20
------------------------------------------------------- 27
------------------------------------------------------- 31
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10.2 PALLET FOR SEA FREIGHT
10.3 PALLET FOR AIR FREIGHT
11. DEFINITION OF LABELS
11.1 MODULE LABEL
11.2 CARTON LABEL
11.3 CUSTOMER CARTON LABEL
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
------------------------------------------------------- 34
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
REVISION HISTORY
Version Date
Ver 3.0
Ver 3.1
May. 08, 07’
Apr. 25, 08’
Page
(New)
All
15~17
Section Description
All
Approval specification first issued.
5.5
Update EDID code, Dell P/N: Y165G
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1 GENERAL DESCRIPTION
1.1 OVERVIEW
N121I3 -L0B 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 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
- RoHS compliance
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
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 (3H), Anti-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) 177.4 178 178.6 mm
Depth(D) - 4.9 5.2 mm
Weight
- 270 285 g (2)
- 285 300 g (3)
(1)
(1)
Note (2) Weight without inverter & inverter bracket.
Note (3) Weight with inverter & inverter bracket.
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A
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) (a) 90 %RH Max. (Ta Љ 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Note (2) The temperature of panel display surface area should be 0 ºC Min. and 60 ºC Max.
Relative Humidity (%RH)
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
Value
Min. Max.
- 200/2 G/ms (3), (5)
NOP
- 1.5 G (4), (5)
NOP
Unit Note
100
90
80
60
Operating Range
40
20
10
Storage Range
Temperature (ºC)
Note (3) 1 time for ± X, ± Y, ± Z. for Condition (200G / 2ms) is half Sine Wave,.
Note (4) 10 ~ 500 Hz, 30 min/cycle,1cycles for each X, Y, Z axis.
8060-20 400 20-40
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.
The fixing condition is shown as below:
t Room Temperature
Side Mount Fixing Screw
Gap=2mm
Bracket
LCD Module
Side Mount Fixing Screw
Stage
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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 2.0 6.5 mA
Lamp Frequency FL 50 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
DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
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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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
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
White - 270 300 mA (3)a
Black
LVDS Differential Input High Threshold V
LVDS Differential Input Low Threshold V
- 1.2 1.5 A (2)
RUSH
lcc
TH(LVDS)
TL(LVDS)
- 330 360 mA (3)b
+100 mV
-100 mV
LVDS Common Mode Voltage VCM 1.125 1.375 V (5)
LVDS Differential Input Voltage |VID| 100 600 mV (5)
Terminating Resistor RT - 100 - Ohm Power per EBL WG P
- 2.16 - W (4)
EBL
Note (1) The module should be always operated within above ranges.
Value
Unit Note
Approval
(5),
=1.2V
V
CM
(5)
=1.2V
V
CM
Note (2) Measurement Conditions:
+3.3V
R1
47K
(High to Low)
(Control Signal)
SW
+12V
C1
1uF
VR1
R2
1K
47K
Vcc rising time is 470us
0V
470us
I
RUSH
Q1 2SK1475
0.01uF
0.1Vcc
C2
0.9Vcc
Q2
2SK1470
+3.3V
100ms
FUSE
C3
1uF
I
IS
Vcc
(LCD Module Input)
VCC
ICC
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|
|
Note (3) The specified power supply current is under the conditions at Vcc = 3.3 V, Ta = 25 ± 2 ºC, DC
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
Current and f
Note (4) The specified power are the sum of LCD panel electronics input power and the inverter input
a. White Pattern
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
= 60 Hz, whereas a power dissipation check pattern below is displayed.
v
b. Black Pattern
Active Area
= 60 Hz,
v
Active Area
“Flat Panel Display Monitor Setup Patterns”, FPDMSU.ppt.
(c) Luminance: 60 nits.
(d) The inverter used is provided from Sumida and Logah..
Note (5) The parameters of LVDS signals are defined as the following figures.
Single Ended
Differential
CM
V
0V
V
0V
V
VID|
VID|
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Lamp Input Voltage VL 540 600 660 V
Lamp Current IL 2.0 6.0 6.5 mA
Lamp Turn On Voltage VS
- - 1220 (25
- - 1400 (0
Operating Frequency FL 50 - 80 KHz (3)
Lamp Life Time LBL 15,000 - - Hrs (5)
Power Consumption PBL - - 4.6 W (4), IL = 6.0 mA
Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below:
Value
o
C) V
o
C) V
Unit Note
I
RMS
RMS
(2)
RMS
(2)
RMS
= 6.0 mA
L
(1)
LCD
Module
HV (Pink)
LV (White)
1
2
Current Meter
Inverter
A
Note (2) The voltage that must be larger than Vs should be applied to the lamp for more than 1 second
after startup. Otherwise the lamp may not be turned on.
Note (3) The lamp frequency may produce 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 (4) P
Inverter input power is measured at 8
= Inverter input power
BL
th
step(the max brightness step) @Vin=12V
Note (5) The lifetime of lamp can be defined as the time in which it continues to operate under the condition
Ta = 25 2
o
C and IL = 6 mArms until one of the following events occurs:
(a) When the brightness becomes or lower than 50% of its original value.
(b) When the effective ignition length becomes or lower than 80% of its original value. (Effective
ignition length is defined as an area that has less than 70% brightness compared to the
brightness in the center point.)
Note (6) 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 producing 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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produce interface with horizontal synchronous frequency and as a result this may cause beat on the
display. Therefore lamp frequency shall be as away possible from the horizontal synchronous
frequency and from its harmonics in order to prevent interference.
Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp. It shall help increase the lamp lifetime and reduce its
leakage current.
a. The asymmetry rate of the inverter waveform should be 10% below.
b. The distortion rate of the waveform should be within Ѕ2 ± 10%.
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
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DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
* Asymmetry rate:
I p
I -p
| I
* Distortion rate
I
– I –p | / I
p
(or I –p) / I
p
rms
rms
* 100%
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)
4 BLOCK DIAGRAM
4.1 TFT LCD MODULE
Rxin0(+/-)
Rxin1(+/-)
Rxin2(+/-)
CLK(+/-)
Vcc
( DF19KR-20P-1H or equivalent )
INPUT CONNECTOR
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LVDS INPUT /
TIMING CONTROLLER
DOC No.: 14071149
Issued Date: Apr. 25, 2008
Model No.: N121I3 -L0B
Approval
SCAN DRIVER IC
TFT LCD PANEL
(1280x3x800)
GND
Data
EDID
CLK
EDID
V
EDID
VL
LAMP CONNECTOR
(JST-BHSR-02VS-1)
4.2 BACKLIGHT UNIT
DC/DC CONVERTER &
REFERENCE VOLTAGE
GENERATOR
EDID
EEPROM
DATA DRIVER IC
BACKLIGHT UNIT
1 HV (Pink)
2 LV (White
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