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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
Version Date
Dec.07. ‘05
Ver 1.0
Page
(New)
All
22
28
REVISION HISTORY
Section Description
All
Preliminary Specification was first issued.
7
Update contrast ratio and luminance of white.
10
Update carton label.
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1 GENERAL DESCRIPTION
1.1 OVERVIEW
N141XC -L02 is a 14.1” TFT Liquid Crystal Display module with single CCFL Backlight unit and 30 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 not 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
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
- Support EDID Structure Version 1 Revision 3
1.3 APPLICATION
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note
Outline Dimension 299(W) x 228 (H) mm
Active Area 285.7 (H) x 214.3 (V) (14.1” diagonal) mm
Bezel Opening Area 288.9 (H) x 217.5 (V) mm
Driver Element a-si TFT active matrix - -
Pixel Number 1024 x R.G.B. x 768 pixel Pixel Pitch 0.279 (H) x 0.279 (V) mm -
Pixel Arrangement RGB vertical stripe - Display Colors 262,144 color Transmissive Mode Normally white - Surface Treatment
Hardness (3H), Anti-glare (Haze 26)
- -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal(H) 298.5 299.0 299.5 mm
Module Size
I/F connector mounting position The mounting inclination of the connector makes the screen
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Vertical(V) 227.5 228.0 228.5 mm
Depth(D) 4.9 5.2 5.5 mm
Weight 400 415 g -
center within ±0.5mm as the horizontal.
(1)
(1)
(2)
(2) Connector mounting position
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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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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
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 -20400 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 (3.0) 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
Issued Date: Dec.07, 2005
Model No.: N141XC -L02
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: Dec.07, 2005
Model No.: N141XC -L02
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
- - 1.5 A (2)
RUSH
White - 270 mA (3)a
Power Supply Current
Black - 330 mA (3)b
Vertical Stripe
lcc
- 350 mA (3)c
“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
- TBD - W (4)
EBL
Note (1) The module should be always operated within above ranges.
Note (2) Measurement Conditions:
Value
Unit Note
+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
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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: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
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
(c) Luminance: 60 nits.
(d) The inverter used is provided from O2Micro (www.o2micro.com). Please contact O2Mirco for
detail information. CMO doesn’t provide the inverter in this product.
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Lamp Input Voltage VL (560) (620) (680) V
Lamp Current IL (3.0) (6.0) (6.5) mA
Lamp Turn On Voltage VS
- - (1300(25
- - (1450 (0
Operating Frequency FL (50) - 80 KHz (3)
Power Consumption PL - (3.72) - W (4), IL = 6.0 mA
Lamp Life Time LBL (12,000) - - Hrs (5)
Leakage Current IIN-I
- (1.0) (1.25) mA (7)
OUT
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
(1) , (8)
RMS
(2)
RMS
(2)
RMS
= 6.0 mA
L
LCD
Module
HV (Pink)
LV (White)
1
2
Current Meter
Inverter
A
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.
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
frequency should be detached from the horizontal synchronous frequency and its harmonics as far
as possible.
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 = 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.)
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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.
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;
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
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 -p
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
LCD Module
| I
* Distortion rate
I
Lamp
– I –p | / I
p
(or I –p) / I
p
High
rms
rms
* 100%
GND
I
Low
Current Probe
Inverter
I
Leak(RMS)
= I
High(RMS)
- I
Low(RMS)
Current Probe
I
High
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Note (8) About operating current min 2.0mA , lamp maker has some advice as below :
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
Explanation and comparison of the kind of tone light:
ʳ Lamp current wave-like by the adjustment of the current.
䡾
ʳ Lamp current wave-like by the adjustment of the burst.
䡿
(Reference) Light quantity adjustment method
P-P LEVEL DOWN
Tone light
P-P LEVEL =
OFF:20%
ON:80%
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Comparative table
Method
current Good ( 75 % Д 85% )
䡾
burst Bad ( 65 % Д 75% )
䡿
Method of case that Lamp current MIN2.0mA is controlled.
It is the setting of minimum 2.0mA (MIN) to Lamp current 6.0mA in the lamp specification. The burst is
excellent for circuitry. The marker proposes that pays attention to the following contents.
The attention point of the light with a touch of the burst:
ʳ Do not to be SPARK at start.
䡾
Backlight efficiency (INVЀLAMP)
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
Tone light rate (%) Circuitry
58 Complicated
10 Easy
ʳ PWM frequency does so that the frequency that is not able to divide the fixed number time, fixed
䡿
number to lamp drive frequency is selected. (It is due to resonance noise occurrence prevention. )
Even the frequency that is using it for LCD avoids selecting it.
N GGOOD
SPARK
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)
4 BLOCK DIAGRAM
4.1 TFT LCD MODULE
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
Rxin0(+/-)
Rxin1(+/-)
Rxin2(+/-)
CLK(+/-)
Vcc
(JAE-FI-XB30S-HF10)
GND
Data
CLK
V
EDID
EDID
EDID
VL
LAMP CONNECTOR
4.2 BACKLIGHT UNIT
INPUT CONNECTOR
(JST-BHSR-02VS-1)
TIMING CONTROLLER
DC/DC CONVERTER &
REFERENCE VOLTAGE
LVDS INPUT /
GENERATOR
EDID
EEPROM
SCAN DRIVER IC
TFT LCD PANEL
(1024x3x768)
DATA DRIVER IC
BACKLIGHT UNIT
1 HV (White)
2 LV (Black
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5 INPUT TERMINAL PIN ASSIGNMENT
5.1 TFT LCD MODULE
Pin Symbol Description Polarity Remark
1 Vss Ground
2 Vcc Power Supply +3.3 V (typical)
3 Vcc Power Supply +3.3 V (typical)
4 V
5 NC Non-Connection
6 CLK
7 DATA
8 Rxin0- LVDS Differential Data Input Negative
9 Rxin0+ LVDS Differential Data Input Positive
10 Vss Ground
11 Rxin1- LVDS Differential Data Input Negative
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
40 28 Standard timing ID # 2
41 29 Standard timing ID # 2
42 2A Standard timing ID # 3
43 2B Standard timing ID # 3
44 2C Standard timing ID # 4
45 2D Standard timing ID # 4
46 2E Standard timing ID # 5
47 2F Standard timing ID # 5
48 30 Standard timing ID # 6
49 31 Standard timing ID # 6
50 32 Standard timing ID # 7
51 33 Standard timing ID # 7
52 34 Standard timing ID # 8
53 35 Standard timing ID # 8
54 36 Detailed timing description # 1 Pixel clock (“65 MHz”)
55 37 # 1 Pixel clock (hex LSB first)
56 38 # 1 H active (“1024”)
57 39 # 1 H blank (“320”)
58 3A # 1 H active : H blank (“1024 : 320”)
59 3B # 1 V active (”768”)
60 3C # 1 V blank (”38”)
61 3D # 1 V active : V blank (”768 : 38”)
62 3E # 1 H sync offset (”24”)
63 3F # 1 H sync pulse width (”136”)
64 40 # 1 V sync offset : V sync pulse width (”3 : 6”)
# 1 H sync offset : H sync pulse width : V sync offset : V sync
65 41
66 42 # 1 H image size (”285 mm”)
67 43 # 1 V image size (”214 mm”)
68 44 # 1 H image size : V image size (”285 : 214”)
69 45 # 1 H boarder (”0”)
70 46 # 1 V boarder (”0”)
75 4B
76 4C # 2 Flag
77 4D # 2 1st character of name (“N”)
78 4E # 2 2nd character of name (“1”)
79 4F # 2 3rd character of name (“4”)
80 50 # 2 4th character of name (“1”)
81 51 # 2 5th character of name (“X”)
82 52 # 2 6th character of name (“C”)
83 53 # 2 7th character of name (“-”) 2D
84 54 # 2 8th character of name (“L”) 4C
width (”24 : 136 : 3 : 6”)
# 1 Non-interlaced, Normal, no stereo, Separate sync, H/V pol
Negatives
# 2 FE (hex) defines ASCII string (Model Name “N141XC-L02”,
ASCII)
111 6F
112 70 # 4 Flag
113 71 # 4 1st character of name (“N”) 4E
114 72 # 4 2nd character of name (“1”) 31
115 73 # 4 3rd character of name (“4”) 34
116 74 # 4 4th character of name (“1”) 31
117 75 # 4 5th character of name (“X”) 58
118 76 # 4 6th character of name (“C”) 43
119 77 # 4 7th character of name (“-”) 2D
120 78 # 4 8th character of name (“L”) 4C
121 79 # 4 9th character of name (“0”)
122 7A # 4 10th character of name (“2”)
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
# 4 FE (hex) defines ASCII string (Model Name“N141XC-L02”,
ASCII)
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
(If <13 char, then terminate with ASCII code 0Ah, set remaining
123 7B
124 7C
125 7D
126 7E Extension flag
127 7F Checksum
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
(If <13 char, then terminate with ASCII code 0Ah, set remaining
char = 20h)
0A 00001010
20 00100000
20 00100000
00 00000000
F7 1111 0 111
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6 INTERFACE TIMING
6.1 INPUT SIGNAL TIMING SPECIFICATIONS
The input signal timing specifications are shown as the following table and timing diagram.
Signal Item SymbolMin. Typ. Max. Unit Note
DCLK Frequency 1/Tc - 65 68 MHz -
Vertical Total Time TV 770 806 818 TH -
DE
Vertical Addressing Time TVD 768 768 768 TH -
Horizontal Total Time TH 109413441364 Tc -
Horizontal Addressing Time THD 102410241024 Tc -
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
INPUT SIGNAL TIMING DIAGRAM
DE
DCLK
T
DE
DATA
TVD
C
v
T
T
H
HD
T
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6.2 POWER ON/OFF SEQUENCE
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Issued Date: Dec.07, 2005
Model No.: N141XC -L02
Preliminary
Power Supply
for LCD, Vcc
- Interface Signal
(LVDS Signal of
Transmitter), V
- Power for Lamp
Timing Specifications:
0.5ms <t1Љ10 msec
0 < t2 Љ 50 msec
0 < t3 Љ 50 msec
10%
Restart
10%
t4
Power On
90%
0V
0V
I
10%
t1
Valid Data
ONOFF OFF
Power Off
t7
90%
t3 t2
t6 t5
50%50%
t4 Њ 500 msec
t5 Њ 200 msec
t6 Њ 200 msec
Note (1) Please avoid floating state of interface signal at invalid period.
Note (2) When the interface signal is invalid, be sure to pull down the power supply of LCD Vcc to 0 V.
Note (3) The Backlight inverter power must be turned on after the power supply for the logic and the
interface signal is valid. The Backlight inverter power must be turned off before the power supply
for the logic and the interface signal is invalid.
Note (4) Sometimes some slight noise shows when LCD is turned off (even backlight is already off). To
avoid this phenomenon, we suggest that the Vcc falling time had better to follow
t7 Њ 5 msec
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7 OPTICAL CHARACTERISTICS
7.1 TEST CONDITIONS
Item Symbol Value Unit
Ambient Temperature Ta 25r2
Ambient Humidity Ha 50r10 %RH
Supply Voltage VCC 3.3 V
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
Inverter Current IL
Inverter Driving Frequency FL
Inverter Sumida-H05-4915
The measurement methods of optical characteristics are shown in Section 7.2. The following items
should be measured under the test conditions described in Section 7.1 and stable environment shown in