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Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
UREVISION HISTORY
Version Date
Ver. 0.0
Ver. 2.0
Ver. 3.0
Sep.11, 2007
Dec.28, 2007
Mar. 31, 2008
Page
(New)
All
7
9
15
18
19
21
26
5
9
15
Section Description
All
Tentative specification was first issued.
3.1
3.2
5.5
6.1
6.2
7.2
2.1
3.2
5.5
TFT LCD MODULE
BACKLIGHT UNIT
EDID DATA STRUCTURE
INPUT SIGNAL TIMING SPECIFICATIONS
POWER ON/OFF SEQUENCE
OPTICAL SPECIFICATIONS
9
PACKING
ABSOLUTE RATINGS OF ENVIRONMENT
BACKLIGHT UNIT (Lamp Turn On Voltage)
EDID DATA STRUCTURE
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1. GENERAL DESCRIPTION
1.1 OVERVIEW
N154I4-L04 is a 15.4” TFT Liquid Crystal Display module with 2 CCFLs backlight unit and 30 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
1.3 APPLICATION
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Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note
Active Area 331.2 (H) x 207.0 (V) (15.4” diagonal) mm
Bezel Opening Area 335.0 (H) x 210.7 (V) mm
Driver Element a-si TFT active matrix - Pixel Number 1280 x R.G.B. x 800 pixel Pixel Pitch 0.2588 (H) x 0.2588 (V) mm Pixel Arrangement RGB vertical stripe - Display Colors 262,144 color Transmissive Mode Normally white - Surface Treatment Hard coating (3H), Glare - -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal(H) 343.5 344.0 344.5 mm
Module Size
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Vertical(V) 223.5 224.0 224.5 mm
Depth(D) - 6.2 6.5 mm
Weight - 535 550 g -
(1)
(1)
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A
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item Symbol
Storage Temperature TB
Operating Ambient Temperature TB
Shock (Non-Operating) SB
Vibration (Non-Operating) VB
Note (1) (a) 90 %RH Max. (Ta <= 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
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Model No.: N154I4-L04
Approval
Value
Min. Max.
B-20 +60 ºC (1)
ST
B0 +50 ºC (1), (2)
OP
B- 220/2 G/ms (3), (5)
NOP
B- 1.5 G (4), (5)
NOP
Unit Note
Note (2) The temperature of panel surface should be 0 ºC min. and 60 ºC max.
Note (3) 1 time for ± X, ± Y, ± Z. for Condition (220G / 2ms) is half Sine Wave,.
Note (4) 10~500 Hz, 0.5hr/cycle 1cycle for X,Y,Z
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:
U
t Room Temperature
Side Mount Fixing Screw
LCD Module
Side Mount Fixing Screw
Stage
Gap=2mm
Bracket
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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 VB
2.2.2 BACKLIGHT UNIT
Item Symbol
Lamp Voltage VB
Lamp Current IB
Lamp Frequency FB
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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Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Value
Min. Max.
B-0.3 Vcc+0.3 V
IN
Value
Min. Max.
B- 2.5K VB
L
B2.0 7.0 mAB
L
B45 80 KHz
L
Unit Note
Unit Note
BLamp Voltage
RMS
Lamp Current
B
RMS
Lamp Frequency
Approval
(1)
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
Parameter Symbol
Min. Typ. Max.
Power Supply Voltage Vcc 3.0 3.3 3.6 V Permissive Ripple Voltage VB
Rush Current IB
Initial Stage Current IB
Power Supply Current
White - 320 mA (3)a
Black
LVDS Differential Input High Threshold VB
LVDS Differential Input Low Threshold VB
LVDS Common Mode Voltage VB
LVDS Differential Input Voltage |VB
Terminating Resistor RB
Power per EBL WG PB
B- 50 - mV -
RP
B- - 1.5 A (2)
RUSH
B- - 1.0 A (2)
IS
Icc
B- - +100 mV
TH(LVDS)
B-100 - - mV
TL(LVDS)
B1.125 - 1.375 V (5)
CM
B| 100 - 600 mV (5)
ID
B- 100 - Ohm
T
B- 4.4 - W (4)
EBL
- 380 480 mA (3)b
Note (1) The ambient temperature is Ta = 25 ± 2 ºC.
Value
Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
Unit Note
(5),
B
B=1.2V
V
CM
(5)
B
B=1.2V
V
CM
Note (2) I
I
B
B: the maximum current when VCC is rising
RUSH
B
B: the maximum current of the first 100ms after power-on
IS
Measurement Conditions: Shown as the following figure. Test pattern: black.
+3.3V
R1
47K
Q1 2SK1475
FUSE
(High to Low)
(Control Signal)
SW
+12V
C1
1uF
VR1
R2
1K
47K
0.01uF
Q2
2SK1470
C2
UVcc rising time is 470us
0.9Vcc
0V
470us
0.1Vcc
+3.3V
100ms
IB
RUSH
B
C3
1uF
BISB
I
Vcc
(LCD Module Input)
VCC
ICC
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|
|
|
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Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
Note (3) The specified power supply current is under the conditions at Vcc = 3.3 V, Ta = 25 ± 2 ºC, fB
Hz, whereas a power dissipation check pattern below is displayed.
a. White Pattern
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
B
B = 60 Hz,
v
(b) The pattern used is a black and white 32 x 36 checkerboard, slide #100 from the VESA file
123 7B # 4 New line character indicates end of ASCII string
124 7C # 4 Padding with “Blank” character
125 7D # 4 Padding with “Blank” character
126 7E Extension flag
127 7F Checksum
4C 01001100
30 00110000
34 00110100
0A 00001010
20 00100000
20 00100000
00 00000000
00 00000000
00 00000000
FE 11111110
00 00000000
43 01000011
4D 01001101
4F 01001111
0A 00001010
20 00100000
20 00100000
20 00100000
20 00100000
20 00100000
20 00100000
20 00100000
20 00100000
20 00100000
00 00000000
00 00000000
00 00000000
FE 11111110
00 00000000
30 00110000
34 00110100
0A 00001010
20 00100000
20 00100000
00 00000000
96 10010110
01001110
00110001
00110101
00110100
01001001
00110100
00101101
01001100
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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 45 71 80 MHz (2)
Vertical Total Time TV 802 823 1000 TH -
Vertical Active Display Period TVD 800 800 800 TH -
DE
Vertical Active Blanking Period TVB TV-TVD23 TV-TVD TH
Horizontal Total Time TH 138014401600 Tc (2)
Horizontal Active Display Period THD 128012801280 Tc (2)
Horizontal Active Blanking Period THB
UINPUT SIGNAL TIMING DIAGRAM
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TH-THD
160
Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
TH-THD
Tc (2)
DE
DCLK
DE
DATA
TC
HD
T
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6.2 POWER ON/OFF SEQUENCE
UPower On
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UPower Off
Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
URestart
Power Supply
for LCD, Vcc
- LVDS Interface
- Power for Lamp
Timing Specifications:
0V
0V
0 < t1 Љ 20 msec
0 < t2 Љ 50 msec
0 < t3 Љ 50 msec
t4 Њ 200 msec
10%
90%
t1
90%
Valid Data
t6 t5
50%50%
ONOFF OFF
t7
10%
t4
t3 t2
10%
t5 Њ 100 msec
t6 Њ 0 msec
5Љt7 Љ 50 msec
Note (1) Please follow the power on/off sequence described above. Otherwise, the LCD module might be
damaged.
Note (2) Please avoid floating state of interface signal at invalid period. 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 is better to follow 5Љt7Љ50 ms.
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6.3 Momentary Voltage Drops
(1) When 2.5V Љ Vcc І3.0V and tdЉ10ms , the unit must work normally when VCC return to 3.0V.
(2) When Vcc < 2.5V, momentary voltage shall conform to the input voltage sequence.
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7. OPTICAL CHARACTERISTICS
7.1 TEST CONDITIONS
Item Symbol Value Unit
Ambient Temperature Ta
Ambient Humidity Ha
Supply Voltage VB
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
Inverter Current IB
Inverter Driving Frequency FB
Inverter Darfon-VK.12164.101
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
Note (6).
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Model No.: N154I4-L04
Approval
PoP
25r2
50r10
B3.3 V
CC
B6.0 mA
L
B55 KHz
L
C
%RH
7.2 OPTICAL SPECIFICATIONS
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio CR 500 800 - - (2), (5)
TB
B- 3 8 ms
Response Time
Central Luminance of White LB
Red
Green
Color
Chromaticity
Blue
White
Color Gamut C.G%
Horizontal
Viewing Angle
Vertica l
White Variation of 5 Points
R
B
B- 5 12 ms
T
F
B420 500 - cd/mP
C
Rx
Ry
Gx
Gy
Bx
By
B
B=0q, TBYB =0q
T
x
Viewing Normal Angle
TYP.
-0.03
0.642
0.334
0.279
0.603
0.150
0.069
TYP.
+0.03
Wx 0.313 Wy
0.329
- 72 - % ( 7 )
TB
T
TB
T
GW
B+
x
B
B-
x
B+
Y
B
B-
Y
B5pB
CRt10
TB
B=0q, TBYB =0q
x
(USB2000)
70 80 70 80 50 60 -
Deg.(1),(5)
70 80 -
75 - - % (5),(6)
(3)
2
P
(4), (6)
-
-
-
-
-
(1)
-
-
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.67 ms
Note (1) Definition of Viewing Angle (Tx, Ty):
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Model No.: N154I4-L04
Approval
TX- = 90º
x-
6 o’clock
T
y- = 90º
y-
Note (2) Definition of Contrast Ratio (CR):
The contrast ratio can be calculated by the following expression.
Contrast Ratio (CR) = L63 / L0
Normal
Tx = Ty = 0º
Ty-Ty
Tx
Tx
y+
12 o’clock direction
T
y+ = 90º
x+
TX+ = 90º
L63: Luminance of gray level 63
L 0: Luminance of gray level 0
CR = CR (1)
CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note (6).
Note (3) Definition of Response Time (T
100%
90%
Optical
Response
10%
0%
T
BRB
66.67 ms
B
B, TBFB):
R
66
Time
T
BFB
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Doc No.:
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Model No.: N154I4-L04
Approval
Note (4) Definition of Average Luminance of White (LB
Measure the luminance of gray level 63 at 5 points
LB
B = [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5
AVE
L (x) is corresponding to the luminance of the point X at Figure in Note (6)
Note (5) Measurement Setup:
The LCD module should be stabilized at given temperature for 20 minutes to avoid abrupt
temperature change during measuring. In order to stabilize the luminance, the measurement
should be executed after lighting Backlight for 20 minutes in a windless room.
LCD Module
LCD Panel
Center of the Screen
Field of View = 2º
AVE
B):
B
Photometer
(USB2000,CS-1000T)
500 mm
Light Shield Room
(Ambient Luminance < 2 lux)
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Note (6) Definition of White Variation (GW):
Measure the luminance of gray level 63 at 5 points
GW
B
B = Minimum [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / Maximum [L (1)+ L (2)+ L (3)+ L (4)+ L (5)]
5p
˄˃
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Model No.: N154I4-L04
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ˉ
˛˂ˇ
˛
ˌ
˛˂ˇ˛˂ˇ˛˂ˇ
˄˄˄˅
˄˃˄˃
˄˃
˪˂ˇ˪˂ˇ˪˂ˇ˪˂ˇ
Note (7) Definition of color gamut (C.G%):
C.G%= ΓR G B /ΓR
R
R, G, B
ΓR
B
B, GB0B, BB0 B: color coordinates of red, green, and blue defined by NTSC, respectively.
0
B
B: color coordinates of module on 63 gray levels of red, green, and blue, respectively.
B
B GB0B BB0 B: area of triangle defined by RB0B, GB0B, BB
0
B
B GB0B BB0B,*100%
0
ˊ
˅
˄
ˆ
ˋ
X
˄˃
: Test Point
X=1 to 13
ˇˈ
Active area
˄ˆ
˪
B
0
ΓR G B: area of triangle defined by R, G, B
˖˜˘ʳ˄ˌˆ˄
˃ˁˌ
˃ˁˋ
˃ˁˊ
˃ˁˉ
˃ˁˈ
˃ˁˇ
˃ˁˆ
˃ˁ˅
˃ˁ˄
˃
˃˃ˁ˅˃ˁˇ˃ˁˉ˃ˁˋ
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G
0
G
R
0
R
B
B
0
24 / 30
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8. PRECAUTIONS
8.1 HANDLING PRECAUTIONS
(1) The module should be assembled into the system firmly by using every mounting hole. Be careful not
to twist or bend the module.
(2) While assembling or installing modules, it can only be in the clean area. The dust and oil may cause
electrical short or damage the polarizer.
(3) Use fingerstalls or soft gloves in order to keep display clean during the incoming inspection and
assembly process.
(4) Do not press or scratch the surface harder than a HB pencil lead on the panel because the polarizer is
very soft and easily scratched.
(5) If the surface of the polarizer is dirty, please clean it by some absorbent cotton or soft cloth. Do not use
Ketone type materials (ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid or Methyl chloride. It might
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Model No.: N154I4-L04
Approval
permanently damage the polarizer due to chemical reaction.
(6) Wipe off water droplets or oil immediately. Staining and discoloration may occur if they left on panel for
a long time.
(7) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. In
case of contacting with hands, legs or clothes, it must be washed away thoroughly with soap.
(8) Protect the module from static electricity, it may cause damage to the C-MOS Gate Array IC.
(9) Do not disassemble the module.
(10) Do not pull or fold the lamp wire.
(11) Pins of I/F connector should not be touched directly with bare hands.
8.2 STORAGE PRECAUTIONS
(1) High temperature or humidity may reduce the performance of module. Please store LCD module within
the specified storage conditions.
(2) It is dangerous that moisture come into or contacted the LCD module, because the moisture may
damage LCD module when it is operating.
(3) It may reduce the display quality if the ambient temperature is lower than 10 ºC. For example, the
response time will become slowly, and the starting voltage of lamp will be higher than the room
temperature.
8.3 OPERATION PRECAUTIONS
(1) Do not pull the I/F connector in or out while the module is operating.
(2) Always follow the correct power on/off sequence when LCD module is connecting and operating. This
can prevent the CMOS LSI chips from damage during latch-up.
(3) The startup voltage of Backlight is approximately 1000 Volts. It may cause electrical shock while
assembling with inverter. Do not disassemble the module or insert anything into the Backlight unit.
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9. PACKING
9.1 CARTON
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Doc No.:
Issued Date: Mar, 31, 2008
Model No.: N154I4-L04
Approval
Packing testing criteria :
(1) Packing drop : 1 corner, 3 edges, 6 faces, each direction for one time, follow ISTA standard.
Packing vibration : Random, follow ISTA standard.
Figure. 9-1 Packing method
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9.2 PALLET
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Figure. 9-2 Packing method
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Doc No.:
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Model No.: N154I4-L04
Approval
10. DEFINITION OF LABELS
10.1 CMO MODULE LABEL
The barcode nameplate is pasted on each module as illustration, and its definitions are as following explanation.