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Version Date
Ver 1.0
Ver 1.1
Ver 2.0
Ver 3.0
Ver 3.1
Aug. 13. ‘04
Oct. 04. ‘04
Nov. 03. ‘04
Nov. 03. ‘04
Apr. 27. ‘05
Page
(New)
All
1
4
7
14~17
22
All
Last
page
Section Description
drawing
All
Cover
1.2
1.5
3.1
5.5
6.4
All
Outline
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
REVISION HISTORY
Preliminary specification first issued.
Add “ Lead Free Model “ description
Add “ lead free model “ description
Modify the weight spec to with inverter
Without inverter 420 typ / 430 max Æ With inverter 430 typ / 440max
Modify Power Supply Current Max value
White 450 Æ 380 , Black/Vertical Stripe 500 Æ 480
Update EDID Data for 256 steps inverter
Update Brightness Control SM-BUS Table for 256 steps inverter
Issue Approval Specification for DELL
Modify outline drawing (Drawing no. N141C4107B)
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1. GENERAL DESCRIPTION
1.1 OVERVIEW
N141XB -L07 is a 14.1” TFT Liquid Crystal Display module with single CCFL Backlight unit and 30 pins
LVDS interface and inverter. This module supports 1024 x 768 XGA mode and can display 262,144 colors.
The optimum viewing angle is at 6 o’clock direction.
1.2 FEATURES
- With inverter
- 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: Apr. 27, 2005
Model No.: N141XB -L07
Approval
- SPWG (Standard Panel Working Group) Style B compatible and lead free model
1.3 APPLICATION
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note
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 25) - -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Module Size
(without inverter)
Weight (Panel with inverter) - 430 440 g -
I/F connector mounting position The mounting inclination of the connector makes the
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Horizontal(H) 298.5 299.0 299.5 mm
Vertical(V) 227.5 228.0 228.5 mm
Depth(D) - 5.2 5.5 mm
screen center within ±0.5mm as the horizontal.
(1)
(1)
(2)
(2) Connector mounting position
+/- 0.5mm
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A
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item Symbol
Storage Temperature TST -20 +60 ºC (1)
Storage Humidity HST 5 95 %RH (1)
Operating Ambient Temperature TOP 0 +50 ºC (1), (2)
Operating Ambient Humidity HOP 8 95 %RH (1)
Shock (Non-Operating) S
Vibration (Non-Operating) V
Note (1) (a) 95 %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 surface should be 0 ºC Min. and 50 ºC Max.
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Value
Min. Max.
-
NOP
- 1.5 10-200 G Hz (4), (5)
NOP
50 18
220 2
Unit Note
G ms
G ms
(3), (4), (5)
Approval
Note (3) Condition for 50G 18ms is Rectangle Wave. Condition for 220G 2ms is Half Sine Wave.
Note (4) 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
should be restricted to the conditions described under Normal Operating Conditions.
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Value
Min. Max.
Value
Min. Max.
Unit Note
Unit Note
Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
(1)
(1), (2), IL = (6.0) mA
RMS
RMS
(1), (2)
Note (2) Specified values are for lamp (Refer to Section 3.2 for further information).
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
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 - 350 380 mA (3)a
Power Supply Current
Black - 450 480 mA (3)b
Vertical Stripe
lcc
- 450 480 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 -
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
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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: Apr. 27, 2005
Model No.: N141XB -L07
Approval
Current and f
a. White Pattern
c. Vertical Stripe Pattern
= 60 Hz, whereas a power dissipation check pattern below is displayed.
v
b. Black Pattern
B
B
R
R
R
Active Area
R
B
B
B
R
R
G
G
G
G
G
G
B
B
B
Active Area
R
R
RR
Active Area
G
B
G
B
3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC
Parameter Symbol
Lamp Input Voltage VL 576 640 704 V
Lamp Current IL 3.0 6.0 6.5 mA
Lamp Turn On Voltage VS
Operating Frequency FL 50 - 80 KHz (3)
Lamp Life Time LBL 10,000 - - Hrs (5)
Power Consumption PL - 3.84 - W (4), IL = 6.0 mA
Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below:
LCD
Module
HV (Pink)
LV (White)
Min. Typ. Max.
- - 1360 (25
- - 1670 (0
Value
1
2
Current Meter
Unit Note
o
C)V
o
C)V
I
RMS
RMS
(2)
RMS
(2)
RMS
= 6.0 mA
L
(1)
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.
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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.
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
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 andIL = 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 (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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)
4. BLOCK DIAGRAM
4.1 TFT LCD MODULE
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
Rxin0(+/-)
Rxin1(+/-)
Rxin2(+/-)
CLK(+/-)
Vcc
(JAE-FI-XB30SL-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 (Pink)
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 Test Panel Self Test
6 CLK
7 DATA
8 Rxin0- LVDS Differential Data Input Negative
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
Byte #
(decimal)
42 2A Standard timing ID # 3 01 00000001
43 2B Standard timing ID # 3 01 00000001
44 2C Standard timing ID # 4 01 00000001
45 2D Standard timing ID # 4 01 00000001
46 2E Standard timing ID # 5 01 00000001
47 2F Standard timing ID # 5 01 00000001
48 30 Standard timing ID # 6 01 00000001
49 31 Standard timing ID # 6 01 00000001
50 32 Standard timing ID # 7 01 00000001
51 33 Standard timing ID # 7 01 00000001
52 34 Standard timing ID # 8 01 00000001
53 35 Standard timing ID # 8 01 00000001
54 36
55 37 # 1 Pixel clock (hex LSB first) 18 00011000
56 38 # 1 H active (“1024”) 00 00000000
57 39 # 1 H blank (“304”) 30 00110000
58 3A # 1 H active : H blank (“1024 : 304”) 41 01000001
59 3B # 1 V active (”768”) 00 00000000
60 3C # 1 V blank (”30”) 1E 00011110
61 3D # 1 V active : V blank (”768 : 30”) 30 00110000
62 3E # 1 H sync offset (”48”) 30 00110000
63 3F # 1 H sync pulse width (”104”) 68 01101000
64 40 # 1 V sync offset : V sync pulse width (”3 : 4”) 34 00110100
65 41
66 42 # 1 H image size (”285 mm”) 1D 00011101
67 43 # 1 V image size (”214 mm”) D6 11010110
68 44 # 1 H image size : V image size (”285 : 214”) 10 00010000
69 45 # 1 H boarder (”0”) 00 00000000
70 46 # 1 V boarder (”0”) 00 00000000
71 47
72 48
73 49 # 2 Pixel clock (hex LSB first) 14 00010100
74 4A # 2 H active (“1024”) 00 00000000
75 4B # 2 H blank (“288”) 20 00100000
76 4C # 2 H active : H blank (“1024 : 288”) 41 01000001
77 4D # 2 V active (”768”) 00 00000000
78 4E # 2 V blank (”25”) 19 00011001
79 4F # 2 V active : V blank (”768 : 38”) 30 00110000
80 50 # 2 H sync offset (”40”) 28 00101000
81 51 # 2 H sync pulse width (”104”) 68 01101000
82 52 # 2 V sync offset : V sync pulse width (”3 : 4”) 34 00110100
83 53
Byte #
(hex)
Field Name and Comments
Detailed timing description # 1 Pixel clock (“63.5MHz”, According to
VESA CVT Rev1.1)
# 1 H sync offset : H sync pulse width : V sync offset : V sync
width (”24 : 136 : 3 : 4”)
# 1 Non-interlaced, Normal, no stereo, Separate sync, H/V pol
Negatives, DE only note: LSB is set to “1” if panel is DE-timing only.
H/V can be ignored.
Detailed timing description # 2 Pixel clock (“52 MHz”, According to
VESA CVT Rev1.1)
# 2 H sync offset : H sync pulse width : V sync offset : V sync
width (”24 : 136 : 3 : 4”)
Va l ue
(hex)
CE 11001110
00 00000000
19 00011001
50 01010000
00 00000000
(binary)
Value
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110 6E Flag 00 00000000
111 6F Data Type Tag: FE 11111110
112 70 Flag 00 00000000
113 71 SMBUS value @ 10 [cd/m2]=
114 72 SMBUS value @ 17 [cd/m2]=
115 73 SMBUS value @ 23 [cd/m2]=
116 74 SMBUS value @ 30 [cd/m2]=
117 75 SMBUS value @ 60 [cd/m2]=
118 76 SMBUS value @ 110 [cd/m2]=
119 77 SMBUS value @ 150 [cd/m2]=
120 78 SMBUS value @ max [cd/m2]=
121 79 Numbers of LVDS Recevier chip = 1 01 00000001
122 7A BIST Enable: Yes = '01' No = '00' ("Yes") 01 00000001
123 7B
124 7C
125 7D
Byte #
(hex)
Field Name and Comments
# 3 FE (hex) defines ASCII string (Model Name “N141XB”,
ASCII)
Manufacturer P/N (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)
Va l ue
(hex)
Value
(binary)
FE 11111110
0A 00001010
FF
E5
D4
C5
9A
67
3B
00
0A 00001010
20 00100000
20 00100000
11111111
11100101
11010100
11000101
10011010
01100111
00111011
00000000
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126 7E Extension flag 00 00000000
127 7F Checksum 59 01011001
5.6 EDID SIGINAL SPECIFICATION
(1) EDID Power
Parameter Symbol Conditions Min. Typ. Max. Unit
Power supply
voltage
Vcc Read Operation 2.2 — 5.5 V
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
(2) DC characteristics
Symbol Min. Max. Unit Index
SCL, SDA terminal input voltage
Hysteresis Voltage VHYS 0.05 VCC— V
Output Voltage
Input Leak current
(Vin =0.1V~VCC)
Output Leak current ILO -10 10 uA
Terminal capacity(Input, Output) Cin, Cout— 10 pF
Operating current
Stillness current
(SDA=SCL=VCC)
(WP=VSS,A0,A1,A2=VSS)
High VoltageVIH
Low VoltageVIL —
VOL1
VOL2
ILI
ICC Write
ICC Read
ICCS —
0.7uV
—
-10
-10
—
CC
— V
0.3uV
0.4
0.6
10
50
3
1
30
100
V
CC
IOL=3mA, CC=2.5V
V
IOL=6mA, CC=2.5V
uA
mA
uA
WP=VSS
WP=VCC
Vout =0.1V~VCC,
WP=VSS
VCC=5.0V
Ta=25
Fclk=1.0MHz
VCC=5.5V,
SCL=400KHz
VCC=3.0V
VCC=5.5V
0
C,
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(3) AC characteristics (VCC=2.5~5.5V standard operation mode)
Item Symbol
Clock frequency Fclk — 100 — 400 KHz
Clock High Time THIGH 4000 — 900 —
Clock Low Time TLOW 4700 — 1300 —
SDA, SCL falling time TR — 1000 — 300
SDA, SCL rising time TF — 300 — 300
START hold time THD: STA 4000 — 600 —
START setup time TSU: STA 4700 — 600 —
Data input hold time THD: Data 0 — 0 —
Data input setup time TSU: Data 250 —100 —
STOP setup time TSU: STO 4700 —600 —
Output decision time from
a clock
Bus free time TBUF 4700 —1300 —
Rising time of Min VIH,
VIL
Spike oppression TSP — 50— 50ns
A write-in cycle time TWR — 10— 10ms
The number of times of
data rewriting
TAA — 3500
TOF — 250
— 1M — 1M — cycles
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VCC=2.5V-5.5V
(Standard operation
mode)
Min. Max. Min. Max. Unit Index
VCC=4.5V-5.5V
(High-speed
operation mode)
100 900
20 250
Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CBЉ100pF
Byte and
page mode
VCC=5.0V
Ta=25
0
C,
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6. INVERTER SPECIFICATION
6.1 Connector type:
Input connector type: LVC-D20SFYG (HONDA)
Output connector: JST SM02B-BHSS-1-TB (JST)
6.2 Input Connector pin assignment:
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
Input connector
HONDA LVC-D20SFYG
Pin Function
1 INV_SRC
2 INV_SRC
3 INV_SRC
4 NC No Connection
5 GND Ground
6 5VSUS
7 5VALW
8 GND Ground
9 SMB_DAT
10 SMB_CLK
This power rail should be used as a power rail to drive the backlight
DC-AC converter
This power rail should be used as a power rail to drive the backlight
DC-AC converter
This power rail should be used as a power rail to drive the backlight
DC-AC converter
This should be used as power source for the control circuitry on the
inverter
This should be used as power source that stores the brightness/contrast
values & the circuit that interfaces with SMB_CLK & SMB_DAT
SMBus interface for sending brightness & contrast information to the
inverter/panel
SMBus interface for sending brightness & contrast information to the
inverter/panel
Comments
11 GND Ground
12 FPBACK
13 GND Ground
14 LAMP_STAT
15 ~ 20 NC
Absolute maximum ratings
Control signal input into the inverter to turn the backlight ON & OFF (1 ON, 0 – OFF)
Lamp status (Feedback, Lamp On = 5v, Lamp Off 0v), from control chip
No Connection
Items Absolute max. ratings Unit
INV_SRC (Voltage) -1.0~23.5 V
FPBACK/SMB_CLK/SMB_DAT
-1.0~5.5 V
(Voltage)
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6.3 Output connector pin assignment
Pin Name Description
1 CFL-High High-voltage output to the CCFL
2 CFL-Low Low-voltage output to the CCFL
Absolute maximum ratings
Items Absolute max. ratings Unit
INV_SRC (Voltage) -1.0~23.5 V
FPBACK/SMB_CLK/SMB_DAT
(Voltage)
6.4 General electrical specification:
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Issued Date: Apr. 27, 2005
Model No.: N141XB -L07
Approval
-1.0~5.5 V
Electrical characteristics:
No. Item Symbol
Condition
Min. Typ. Max.Uint
1 Input Voltage INV_SRC7.5 14.4 21 V
Input Signal Level for
2
Input Signal Level for
3
5VSUS
5VALW
5VSUS 4.85 5 5.2 V
5VALW 4.85 5 5.2 V
Vin=7.5V~21V
4 Input Power Pin(Max)
- - 5.7 W
SMB_DAT=00H
Backlight
FPBACK=
ON
Enable the inverter 2.0 - 5.25 V
5
ON/OFF Control
6
Brightness Adjust
(Lamp Current Control)
FPBACK=
OFF
Disable the inverter -0.3 - 0.8 V
SMB_DAT Control by SMBus FFH - 00H -
7 Output Voltage Vout IL = 6.0mA(typ) TBD640 TBDVrms