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N121X5-L05
Specification
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CMO N121X5-L05 Specification

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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
- 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. INVERTER SPECIFICATION ------------------------------------------------------- 24
7.1 TYPE OF INVERTER CONNECTOR
7.2 BUILT-IN INVERTER INPUT PIN ASSIGNMENT
7.2 BUILT-IN INVERTER OUTPUT PIN ASSIGNMENT
7.4 GENERAL ELECTRICAL SPECIFICATION
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 ------------------------------------------------------- 33
10.1 CARTON
10.2 PALLET
------------------------------------------------------- 4
------------------------------------------------------- 5
------------------------------------------------------- 6
------------------------------------------------------- 8
------------------------------------------------------- 14
------------------------------------------------------- 15
------------------------------------------------------- 22
------------------------------------------------------- 28
------------------------------------------------------- 32
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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
11. DEFINITION OF LABELS ------------------------------------------------------- 34
11.1 CMO MODULE LABEL
11.2 CARTON LABEL
11.3 CUSTOMER CARTON LABEL
11.4 CUSTOMER PALLET LABEL
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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
Version Date
Ver 1.0
Ver1.1
Feb. 04. ‘05
Mar. 11. ‘05
Page
(New)
All
8
9
9
10
17
25
27
28
REVISION HISTORY
Section Description
Preliminary specification first issued.
All
3.1
3.1
3.2
3.2
5.5
7.4.2
7.4.2
8.2
Modify Power the value of per EBL WG
Delete item (d) of Note (4)
Modify the value of Max. Lamp Current, Max. Power Consumption, Min
Lamp Life Time
Modify Note (5): I
Modify EDID DATA STRUCTURE
Modify the value of No.7,8
Modify Brightness control
Modify Color Gamut (typ.):45%
= 5.0mA
L
RMS
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1. GENERAL DESCRIPTION
1.1 OVERVIEW
N121X5 -L05 is a 12.1” TFT Liquid Crystal Display module with single CCFL Backlight unit and 20 pins
LVDS interface. This module supports 1024 x 768 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
- XGA (1024 x 768 pixels) resolution
- DE (Data Enable) only mode
- 3.3V LVDS (Low Voltage Differential Signaling) interface with 1 pixel/clock
- Support EDID Structure Version 1 Revision 3
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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
1.3 APPLICATION
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note Active Area 245.76 (H) X 184.32 (V) mm Bezel Opening Area 250.5 (H) x 188.9 (V) mm Driver Element a-si TFT active matrix - ­Pixel Number 1024 x R.G.B. x 768 pixel ­Pixel Pitch 0.24 (H) x 0.24 (V) mm ­Pixel Arrangement RGB vertical stripe - ­Display Colors 262,144 color ­Transmissive Mode Normally white - ­Surface Treatment Hard coating (3H), Anti-glare (Haze 25 %) - -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal(H) 260.5 261 261.5 mm
Module Size
Vertical(V) 197.5 198 198.5 mm
Depth(D) -- 4.7
Weight
-- 260 275 g (2)
-- 270 285 g (3)
5.0 (Panel Module)
5.2 (Inverter, follow Dell Spec.)
(1)
(1)
mm
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Note (2) Weight without inverter.
Note (3) Weight with inverter
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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) 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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Min. Max.
- 220 G (3), (5)
NOP
- 1.5 G (4), (5)
NOP
Value
Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
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.
Relative Humidity (%RH)
100
90
80
60
Operating Range
40
20
Storage Range
5
Temperature (ºC)
8060 -20 400 20-40
Note (4) 10 ~ 200 Hz, 0.5 Hr / Cycle, 1 cycles for each X, Y, Z. The fixing condition is shown as below:
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough
t Room Temperature
Side Mount Fixing Screw
Gap=2mm
so that the module would not be twisted or bent by the fixture.
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 - 6.5 mA Lamp Frequency FL - 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: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
(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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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
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 - (300) mA (3)a Black
- - 1.5 A (2)
RUSH
lcc
- (350) mA (3)b
“H” Level VIH - - +100 mV - Differential Input Voltage for
LVDS Receiver Threshold
“L” Level V
-100 - - mV -
IL
Terminating Resistor RT - 100 - Ohm ­Power per EBL WG P
- (2.71) - W (4)
EBL
Note (1) The module should be always operated within above ranges.
Value
Unit Note
Note (2) Measurement Conditions:
+3.3V
R1
47K
(High to Low)
(Control Signal)
SW
+12V
VR1
C1
1uF
Vcc rising time is 470us
R2
47K
2SK1475
Q
1
Q
2SK1470
1K
0.01uF
2
C
2
FUSE
C3
1u
F
Vcc
(LCD Module Input)
+3.3V
0.9Vcc
0.1Vcc
GND
470us
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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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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
Current and f
a. White Pattern
= 60 Hz, whereas a power dissipation check pattern below is displayed.
v
b. Black Pattern
Active Area
Active Area
Note (4) The specified power are the sum of LCD panel electronics input power and the inverter input
power. Test conditions are as follows.
(a) Vcc = 3.3 V, Ta = 25 ± 2 ºC, f
= 60 Hz,
v
(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.
3.2 BACKLIGHT UNIT
Parameter Symbol
Min. Typ. Max. Lamp Input Voltage VL (540) (600) (660) V Lamp Current IL (3.0) 5.0 5.5 mA
Lamp Turn On Voltage VS
- - (1170) (25
- - (1340) (0 Operating Frequency FL (45) - (80) KHz (3) Power Consumption PL - (3.0) (3.3) W (4), IL = 5.0 mA Lamp Life Time LBL 15,000 - - Hrs (5)
Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below:
LCD
Module
HV (White)
LV (Black)
Note (2) 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.
Value
1
2
Current Meter
o
C) V
o
C) V
Inverter
A
Ta = 25 ± 2 ºC
Unit Note
I
RMS
RMS
(2)
RMS
(2)
RMS
= 5.0 mA
L
(1),(7)
Note (3) 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
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frequency should be detached from the horizontal synchronous frequency and its harmonics as far
as possible.
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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
Note (4) P
= IL VL
L
Note (5) The lifetime of lamp is defined as the time when it continues to operate under the conditions at Ta
= 25 2
o
C and IL = 5.0mA
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 (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 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,
which has unsymmetrical voltage and unsymmetrical current and spike wave. Lamp frequency may
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.
* Asymmetry rate:
I p
| I
– I –p | / I
p
* 100%
rms
I
-p
* Distortion rate
I
(or I –p) / I
p
rms
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Note (7) The lamp leakage current is measured by the current difference between in and out. And the
measurement condition is as below:
FG
Low
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Issued Date: Mar. 11, 2005
Model No.: N121X5 -L05
Preliminary
LCD Module
High
Lamp
Current Probe
GND
I
Low
Current Probe
Inverter
I
Leak(RMS)
= I
High(RMS)
- I
Low(RMS)
I
High
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