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LP125WH2
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
ƹ
Title 12.5” HD TFT LCD
Customer LENOVO
MODEL
APPROVED BY SIGNATURE
/
/
SUPPLIER LG Display Co., Ltd.
*MODEL LP125WH2
Suffix SLT1
*When you obtain standard approval,
please use the above model name without suffi
x
APPROVED BY
J. Y. Lee / Manager
REVIEWED BY
Y. S. Ha / Manager
SIGNATURE
/
PREPARED BY
H. W. Lee / Engineer
Please return 1 copy for your confirmation wit
h
your signature and comments.
Ver. 1.0 Jul. 04, 2012
Products Engineering Dept.
LG Display Co., Ltd
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LP125WH2
Liquid Crystal Display
Product Specification
Contents
No ITEM
COVER
CONTENTS
RECORD OF REVISIONS
1 GENERAL DESCRIPTION
2 ABSOLUTE MAXIMUM RATINGS
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTREISTICS
3-2 INTERFACE CONNECTION
3-3 LVDS SIGNAL TIMING SPECIFICATIONS
3-4 SIGNAL TIMING SPECIFICATIONS
3-5 SIGNAL TIMING WAVEFORMS
3-6 COLOR INPUT DATA REFERNECE
3-7 POWER SEQUENCE
4 OPTICAL SFECIFICATIONS
Page
1
2
3
4
5
6
7
8
10
10
11
12
13
5 MECHANICAL CHARACTERISTICS
6RELIABLITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
8-3 Label Description
9 PRECAUTIONS
A APPENDIX. Enhanced Extended Display Identification Data
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3-2. Interface Connections
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LP125WH2
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision NoRevision Dat
e
1.0 Jul. 04. 2012 - Final Draft 1.3
Page Description
EDID
ver
Ver. 1.0 Jul. 04, 2012
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1. General Description
The LP125WH2 is a Color Active Matrix Liquid Crystal Display with an integral LED backlight system. The
matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in
the normally white mode. This TFT-LCD has 12.5inches diagonally measured active display area with HD re
solution(1366 horizontal by 768 vertical pixel array). Each pixel is divided into Red, Green and Blue sub-pixe
ls or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determi
ned with a 6-bit gray scale signal for each dot, thus, presenting a palette of more than 262,144 colors.
The LP125WH2 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP125WH2 is intended to support applications where thin thickness, low power are critical factors and
graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the LP125W
H2 characteristics provide an excellent flat display for office automation products such as Notebook PC.
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LP125WH2
Liquid Crystal Display
Product Specification
EDID
CN1 User connector 40 Pin
BLOCK
POWER
BLOCK
LVDS &
Timing
Control
TFT-LCD Panel
(1366 x 768)
1
Source Driver Circuit
1366
Block
PWM & VBL
LED Backlight Ass’y
Control & Data Power EDID signal & Power
General Features
Active Screen Size 12.5 inches diagonal
Outline Dimension 290.5(H) ϧ 170.2(V) Ý 2.85(D,Max.) [mm] (w/o PCB)
Pixel Pitch 0.201mm Ý 0.201 mm
Pixel Format 1366 horiz. By 768 vert. Pixels RGB strip arrangement
Color Depth 6-bit, 262,144 colors
2
Luminance, White 300 cd/m
Power Consumption Total 4.33 W(Typ.) Logic :0.83 W (Typ.@ Mosaic), B/L : 3.5W (Typ.@ VLED 12V ))
Weight 205g (Max.)
Display Operating Mode AH-IPS, Normally Black
Surface Treatment Anti Glare treatment of the front polarizer
RoHS Compliance Yes
BFR / PVC / As Free Yes for all
(Typ.5 point)
1
COG(Chip On Glass)
768
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q
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
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LP125WH2
Liquid Crystal Display
Product Specification
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter Symbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC -0.3 4.0 Vdc at 25 r5qC
TOP 050qC1
HST -20 60
HOP 10 90 %RH 1
HST 10 90 %RH 1
Values
Min Max
Units Notes
C1
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39
Wet Bulb
20
]
30
Temperature [
10
0
qC Max, and no condensation of water.
90% 80%
60
50
40
60%
Humidity[(%)RH]
40%
20%
10%
Storage
Operation
-20
10
20 30 40 50
60 70 800
Dry Bulb Temperature []
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ȳ
ȳ
ȳ
3. Electrical Specifications
3-1. Electrical Characteristics
The LP125WH2 requires two power inputs. One is employed to power the LCD electronics and to drive the
TFT array and liquid crystal. The second input which powers the LED BL.
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LP125WH2
Liquid Crystal Display
Product Specification
Table 2. ELECTRICAL CHARACTERISTICS
Parameter Symbol
Unit Notes
Min Typ Max
LOGIC :
Values
Power Supply Input Voltage V
Power Supply Input Curre
nt
Mosaic I
Power Consumption P
Power Supply Inrush Current I
LVDS Impedance Z
CC 3.0 3.3 3.6 V 1
CC - 252 290 mA 2
CC - 0.83 0.96 W 2
CC_P - 1500 mA 3
LVDS 90 100 110
BACKLIGHT : ( with LED Driver)
LED Power Input Voltage V
LED Power Input Current I
LED Power Consumption P
LED Power Inrush Current I
LED 7.0 12.0 21.0 V 5
LED - 292 336 mA 6
LED - 3.5 4.1 W 6
LED_P - 2000 mA 7
PWM Duty Ratio 1 - 100 % 8
PWM Jitter
-
0-0.2%9
4
PWM Impedance Z
PWM Frequency F
PWM High Level Voltage V
PWM Low Level Voltage V
LED_EN Impedance Z
LED_EN High Voltage
LED_EN Low Voltage V
PWM 20 40 60 k
PWM - 210 - Hz 10
PWM_H
PWM_L
PWM 20 40 60 k
LED_EN_
V
H
LED_EN_L 0-0.3V
2.2 - 5.3 V
0-0.3V
2.2 - 5.3 V
Life Time 12,000 - - Hrs 11
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Note)
1. The measuring position is the connector of LCM and the test conditions are under 25, fv = 60Hz,
Black pattern.
2. The specified Icc current and power consumption are under
the Vcc = 3.3V , 25, fv = 60Hz condition and Mosaic pattern.
3. The below figures are the measuring Vcc condition and the Vcc control block LGD used.
The Vcc condition is same as the minimum of T1 at Power on sequence.
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LP125WH2
Liquid Crystal Display
Product Specification
Rising time
Vcc
0V
4. This impedance value is needed for proper display and measured form LVDS Tx to the mating connector.
5. The measuring position is the connector of LCM and the test conditions are under 25.
6. The current and power consumption with LED Driver are under the Vled = 12.0V , 25, Dimming of
Max luminance and White pattern with the normal frame frequency operated(60Hz).
7. The below figures are the measuring Vled condition
and the Vled control block LGD used.
VLED control block is same with Vcc control block.
90%
10%
0.5ms
3.3V
Rising time
LED
V
0V
10%
12.0V
90%
0.5ms
8. The operation of LED Driver below minimum dimming ratio may cause flickering or reliability issue.
9. This Spec. is not effective at 100% dimming ratio as an exception because it has DC level equivalent
to 0Hz. In spite of acceptable range as defined, the PWM Frequency should be fixed and stable for
more consistent brightness control at any specific level desired.
10. The life time is determined as the time at which brightness of LCD is 50% compare to that of minimum
value specified in table 7. under general user conditionU
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3-2. Interface Connections
This LCD employs two interface connections, a 40 pin connector used for the module electronics interface and t
he other connector used for the integral backlight system.
Pin Symbol Description Notes
1 NC No Connection
2 VCC LCD Logic and driver power (3.3V Typ.)
3 VCC LCD Logic and driver power (3.3V Typ.)
4 V EEDID DDC Power (3.3V)
5 NC No Connection
6 Clk EEDID DDC Clock
7 DATA EEDID DDC Data
8 ORX0- Negative LVDS differential data input
9 ORX0+ Positive LVDS differential data input
10 GND LCM Ground
11 ORX1- Negative LVDS differential data input
12 ORX1+ Positive LVDS differential data input
13 GND LCM Ground
14 ORX2- Negative LVDS differential data input
15 ORX2+ Positive LVDS differential data input
16 GND LCM Ground
17 ORXC- Negative LVDS differential clock input
18 ORXC+ Positive LVDS differential clock input
19 GND LCM Ground
20
21
22 GND LCM Ground
23
24
25 GND LCM Ground
26
27
28 GND LCM Ground
29
30
31
32
33
34
35
36
37
38
39
40
NC
NC
NC
NC
NC
NC
NC
NC
GND
GND
GND
NC
PWM System PWM Signal input for dimming
LED_EN
NC
VLED LED Backlight Power (7V-21V)
VLED LED Backlight Power (7V-21V)
VLED LED Backlight Power (7V-21V)
No Connection
No Connection
No Connection
No Connection
No Connection
No Connection
No Connection
No Connection
LCM Ground (LED Backlight Ground)
LCM Ground (LED Backlight Ground)
LCM Ground (LED Backlight Ground)
No Connection
LED Backlight On/Off
No Connection
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Product Specification
LP125WH2
Liquid Crystal Display
[Interface Chip]
1. LCD :
SiW, SW0632 (LCD Controller)
Including LVDS Receiver.
2. System :
* Pin to Pin compatible with LVDS
[Connector]
LSMtron GT05Q-40S-H10 or equivalent
[Mating Connector]
20345-#40E-## series or equivalent
[Connector pin arrangement]
[W
[LCD Module Rear View]
X
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˻
˻
·
3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
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LP125WH2
Liquid Crystal Display
Product Specification
Description
LVDS Differential Voltage |V
LVDS Common mode Voltage V
LVDS Input Voltage Range V
3-3-2. AC Specification
Description Symbol Min Max Unit Notes
LVDS Clock to Data Skew Margin
Symb
ol
| 100 600 mV -
ID
CM
IN
t
SKEW
t
SKEW
Min Max Unit Notes
0.6 1.8 V -
0.3 2.1 V -
- 400 + 400 ps
- 600 + 600 ps
85MHz > Fclk
65MHz > Fclk
Hz
Hz
65M
25M
LVDS Clock to Clock Skew Margin (Ev
en to Odd)
Maximum deviation
of input clock frequency during SSC
Maximum modulation frequency
of input clock during SSC
Ver. 1.0 Jul. 04, 2012
t
SKEW_EO
F
DEV
F
MOD
-1/7 + 1/7 T
-
3% -
clk
- 200 KHz -
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Freq.
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LP125WH2
Liquid Crystal Display
Product Specification
< Clock skew margin between channel >
F
max
F
center
F
min
3-3-3. Data Format
- LVDS 1 Port
RCLK+
RA+/-
R3 R2
R1 R0
X
m
tvk
< Spread Spectrum >
G0 R5 R4 R3 R2 R1 R0
G0
m
QGm
kl}
Time
R5 R4
RB+/-
RC+/-
RD+/-
G4 G3
B5 B4
G7 G6
Previous (N-1)th Cycle Next (N+1 )th Cycle
G2 G1
B3 B2
R7 R6
B1 B0 G5 G4 G3 G2 G1
DE VSYNC HSYNC B5 B4 B3 B2
X B7 B6 G7 G6 R7 R6
Current (Nth ) Cycle
B1
DE
VSYNC HSYNC
X
< LVDS Data Format >
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B7 B6
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3-4. Signal Timing Specifications
This is the signal timing required at the input of the User connector. All of the interface signal timing should be
satisfied with the following specifications and specifications of LVDS Tx/Rx for its proper operation.
ITEM Symbol Min Typ Max Unit Note
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LP125WH2
Liquid Crystal Display
Product Specification
Table 5. TIMING TABLE
DCLK Frequency f
CLK
- 74.6 - MHz
Period Thp 1490 1578 1884
Hsync
Vsync
Data
Enable
Appendix) All reliabilities are specified for timing specification based on refresh rate of 60 Hz.
Width t
Width-Active t
Period t
Width-Active t
Horizontal back porch t
Horizontal front porch t
Vertical back porch t
Vertical front porch t
WH
WHA
VP
WV
WVA
HBP
HFP
VBP
VFP
32 32 32
1366 1366 1366
777 790 801
25 8
768 768 768
59 132 438
33 48 48
61520
12 5
tCLK
tCLK
Even though actual performance in 50Hz and 40Hz for low power is displayed normally,
remark and inform to user that display quality in 40 Hz and 50 Hz is out of guarantee range.
3-5. Signal Timing Waveforms
High: 0.7VCC
Condition : VCC =3.3V
Data Enable, Hsync, Vsync
Low: 0.3VCC
tHPWidth t
tHP
DCLK
Hsync
t
tCLK
WH
t
HBP
0.5 Vcc
t
HP
Data Enable
t
VP
t
WV
Vsync
t
VBP
Data Enable
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tWHA
tWVA
t
HFP
t
VFP
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3-6. Color Input Data Reference
The brightness of each primary color (red,green and blue) is based on the 6-bit gray scale data input for the
color ; the higher the binary input, the brighter the color. The table below provides a reference for color
versus data input.
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LP125WH2
Liquid Crystal Display
Product Specification
Table 7. COLOR DATA REFERENCE
Input Color Data
Basic
Color
RED
GREEN
BLUE
Color
Black
Red
Green
Blue
Cyan
Magenta
Yellow
White
RED (00)
RED (01)
…
RED (62)
RED (63)
GREEN (00)
GREEN (01)
...
GREEN (62)
GREEN (63)
BLUE (00)
BLUE (01)
…
BLUE (62)
BLUE (63)
RED
MSB LSB
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
…… …
1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
…… …
0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0
0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
…… …
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
MSB LSB
GREEN
BLUE
MSB LSB
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3-7. Power Sequence
Power Supply Input
VCC
0V
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Product Specification
90%
LP125WH2
Liquid Crystal Display
90%
10%10%
T
Interface Signal, V
T
T
3
T
T
1
i
2
Valid Data
7
LVDS
0V
LED BL
On/Off Control Signal
LED_EN
0V (Off)
T
5
T
9
3.0V
3.0V
T
6
T
10
LED BL
Dimming Control Signal
PWM
LED Driver Input Voltage
VLED
0V (Low)
0V
T
90%
10%
8
Valid Data
T
12
T
11
90%
T
10%
13
Table 6. POWER SEQUENCE TABLE
Logic
Parameter
T
1
T
2
T
3
T
4
T
5
T
6
T
7
Note)
Value
Units
Min. Typ. Max.
0.5 - 10 ms
0-50ms
0-50ms
400 - - ms
200 - - ms
200 - - ms
3-10ms
LED
Parameter
T
8
T
9
T
10
T
11
T
12
T
13
Min. Typ. Max.
10 - - ms
0--ms
0--ms
10 - - ms
0.5 - - ms
0 - 5000 ms
Value
1. Do not insert the mating cable when system turn on.
2. Valid Data have to meet “3-3. LVDS Signal Timing Specifications”
3. LVDS, LED_EN and PWM need to be on pull-down condition on invalid status.
4. LGD recommend the rising sequence of VLED after the Vcc and valid status of LVDS turn on.
4
Units
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G
)=0q
4
)
4
)
4
)
q
4
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes in
a dark environment at 25
at a viewing angle of
FIG. 1 presents additional information concerning the measurement equipment and method.
qC. The values specified are at an approximate distance 50cm from the LCD surface
) and 4 equal to 0q.
FIG. 1 Optical Characteristic Measurement Equipment and Method
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LP125WH2
Liquid Crystal Display
Product Specification
Optical Stage(x,y)
LCD Module
Pritchard 880 or
equivalent
50cm
Table 8. OPTICAL CHARACTERISTICS
Ta=25qC, VCC=3.3V, fV=60Hz, f
Parameter
Contrast Ratio CR 500 - - 1
Surface Luminance, white L
Luminance Variation
Response Time
Color Coordinates
RED RX 0.563 0.593 0.623
GREEN GX 0.305 0.335 0.365
BLUE BX 0.125 0.155 0.185
WHITE WX 0.283 0.313 0.343
Viewing Angle 5
x axis, right(
x axis, left (
y axis, up (
y axis, down (
)
Gray Scale 6
Color Gamut C/G - 50 - %
=180q)
=90q)
=270
Symbo
l
WH
WHITE
TrR+ Tr
D
RY 0.323 0.353 0.383
GY 0.540 0.570 0.600
BY 0.085 0.115 0.145
WY 0.299 0.329 0.359
)
r 80 - - degree
l 80 - - degree
u80 - -degree
d80 - -degree
Min Typ Max
255 300 - cd/m
-1.41.6 3
-3550ms 4
Values
Units Notes
2
CLK
= 74.6 MHz
2
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Note)
1. Contrast Ratio(CR) is defined mathematically as
Surface Luminance with all white pixels
Contrast Ratio =
Surface Luminance with all black pixels
2. Surface luminance is the average of 5 point across the LCD surface 50cm from the surface with
all pixels displaying white. For more information see FIG 1.
= Average(L1,L2, … L5)
L
WH
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LP125WH2
Liquid Crystal Display
Product Specification
3. The variation in surface luminance , The panel total variation (
G
) is determined by measuring L
WHITE
N
at each test position 1 through 13 and then defined as followed numerical formula.
For more information see FIG 2.
Maximum(L
G
WHITE
=
Minimum(L
4. Response time is the time required for the display to transition from white to black (rise time, Tr
from black to white(Decay Time, Tr
). For additional information see FIG 3.
D
1,L2
1,L2
, … L13)
, … L13)
) and
R
5. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are determined
for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the
LCD surface. For more information see FIG 4.
6. Gray scale specification * f
= 60Hz
V
Gray Level Luminance [%] (Typ)
L0 0.11
L7 0.82
L15 4.04
L23 10.00
L31 18.60
L39 32.10
L47 49.30
L55 73.30
L63 100
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FIG. 2 Luminance
<measuring point for surface luminance & measuring point for luminance variation>
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LP125WH2
Liquid Crystal Display
Product Specification
H
10mm
678
B
V
910
11 12
A
10mm
2
1
4
3
5
13
Active Area
: ACTIVE AREA
H,V
A : H/4 mm
B : V/4 mm
POINTS: 13 POINTS
FIG. 3 Response Time
The response time is defined as the following figure and shall be measured by switching the input signal
for “black” and “white”.
Tr
R
Tr
D
%
100
90
Optical
Response
10
0
white
white
black
FIG. 4 Viewing angle
I
= 180
Normal
,
q
Left
T
Eye
Y
I
= 90q, Up
I
q
,
Right
I
= 270
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q
Down
,
I
= 0
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r
r
r
r
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP125WH2. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
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LP125WH2
Liquid Crystal Display
Product Specification
Horizontal 290.5
Outline Dimension
Bezel Area
Active Display Area
Weight 205.0g (Max.)
Surface Treatment Anti Glare treatment of the front polarizer
Vertical 170.2
Thickness 2.85mm (max) (w/o PCB)
Horizontal 280.1
Vertical 159.5
Horizontal 275.59 mm
Vertical 154.94 mm
0.5 mm
0.5 mm
0.5 mm
0.5 mm
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LP125WH2
Liquid Crystal Display
Product Specification
<FRONT VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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LP125WH2
Liquid Crystal Display
Product Specification
<REAR VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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q
q
q
q
6. Reliability
Environment test condition
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LP125WH2
Liquid Crystal Display
Product Specification
No
.
1 High temperature storage test Ta= 60
2 Low temperature storage test Ta= -20
3 High temperature operation test Ta= 50
4 Low temperature operation test Ta= 0
5 Vibration test (non-operating) Sine wave, 10 ~ 500 ~ 10Hz, 1.5G, 0.37oct/min
6 Shock test (non-operating) Half sine wave, 180G, 2ms
7 Altitude operati
ng
nt
{ Result Evaluation Criteria }
There should be no change which might affect the practical display function when the display quality
test is conducted under normal operating condition.
Test Item Conditions
C, 240h
C, 240h
C, 50%RH, 240h
C, 240h
3 axis, 1hour/axis
one shock of each six faces(I.e. run 180G 6ms
for all six faces)
0 ~ 10,000 feet (3,048m) 24Hr
0 ~ 40,000 feet (12,192m) 24Hr
storage / shipme
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7. International Standards
7-1. Safety
a) UL 60950-1, Second Edition, Underwriters Laboratories Inc.
Information Technology Equipment - Safety - Part 1 : General Requirements.
b) CAN/CSA C22.2 No.60950-1-07, Second Edition, Canadian Standards Association.
Information Technology Equipment - Safety - Part 1 : General Requirements.
c) EN 60950-1:2006 + A11:2009, European Committee for Electrotechnical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1:2005, Second Edition, The International Electrotechnical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
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LP125WH2
Liquid Crystal Display
Product Specification
7-2. EMC
a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.”
American National Standards Institute (ANSI), 2003.
b) CISPR 22 “Information technology equipment – Radio disturbance characteristics – Limit and
methods of measurement." International Special Committee on Radio Interference
(CISPR), 2005.
c) CISPR 13 “Sound and television broadcast receivers and associated equipment – Radio disturbance
characteristics – Limits and method of measurement." International Special Committee on Radio
Interference (CISPR), 2006.
7-3. Environment
a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27 January 2003
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8. Packing
8-1. Designation of Lot Mark
a) Lot Mark
ABCDEFGHI JKLM
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
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LP125WH2
Liquid Crystal Display
Product Specification
Note
1. YEAR
Year
Mark
2. MONTH
Month
Mark
b) Location of Lot Mark
Serial No. is printed on the label. The label is attached to the backside of the LCD module.
This is subject to change without prior notice.
8-2. Packing Form
a) Package quantity in one box : 20 pcs
b) Box Size : 478 x 365 x 244
2016G2017H2018J2019
F
Jun7Jul8Aug9Sep
6
CBA
2014E2015
D
Apr5May
4
201320122011
2020
K
Oct
A
Nov
B
DecMarFebJan
C321
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8-3. Label Description
Model Name
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LP125WH2
Liquid Crystal Display
Product Specification
Lenovo CODE
LGD CODE
LGD Code
(1) Model Name : L P 1 2 5 W H 2 - S L T 1
(2) Lot Mark : 1 2 5 B 3 0 0 0 0 0 0 0 1
Lenovo Code
Lot Mark
Revision Code
Product Type
Display Mode
Basic Model Serial No.
Resolution : HD
Size (inch) : 12.5”
Application : NBPC
LGPL Brand Initial: L
SERIAL NO.
MONTH
YEAR
SIZE
1)P/N : 0A66690
2)FRU : NA
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9. PRECAUTIONS
Please pay attention to the followings when you use this TFT LCD module.
9-1. MOUNTING PRECAUTIONS
(1) You must mount a module using holes arranged in four corners or four sides.
(2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to the
module. And the case on which a module is mounted should have sufficient strength so that external
force is not transmitted directly to the module.
(3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer.
Transparent protective plate should have sufficient strength in order to the resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.
(5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former
generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break
by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB
pencil lead. And please do not rub with dust clothes with chemical treatment.
Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimental
to the polarizer.)
(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like
chamois soaks with petroleum benzene. Normal-hexane is recommended for cleaning the adhesives
used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause
chemical damage to the polarizer.
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes
deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
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LP125WH2
Liquid Crystal Display
Product Specification
9-2. OPERATING PRECAUTIONS
(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage :
V=· 200mV(Over and under shoot voltage)
(2) Response time depends on the temperature.(In lower temperature, it becomes longer.)
(3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)
And in lower temperature, response time(required time that brightness is stable after turned on) becomes
longer.
(4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or
electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be
done by system manufacturers. Grounding and shielding methods may be important to minimized the
interference.
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9-3. ELECTROSTATIC DISCHARGE CONTROL
Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that
treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.
9-4. PRECAUTIONS FOR STRONG LIGHT EXPOSURE
Strong light exposure causes degradation of polarizer and color filter.
9-5. STORAGE
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LP125WH2
Liquid Crystal Display
Product Specification
When storing modules as spares for a long time, the following precautions are necessary.
(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the
temperature between 5qC and 35qC at normal humidity.
(2) The polarizer surface should not come in contact with any other object.
It is recommended that they be stored in the container in which they were shipped.
9-6. HANDLING PRECAUTIONS FOR PROTECTION FILM
(1) When the protection film is peeled off, static electricity is generated between the film and polarizer.
This should be peeled off slowly and carefully by people who are electrically grounded and with well
ion-blown equipment or in such a condition, etc.
(2) The protection film is attached to the polarizer with a small amount of glue. If some stress is applied
to rub the protection film against the polarizer during the time you peel off the film, the glue is apt to
remain on the polarizer.
Please carefully peel off the protection film without rubbing it against the polarizer.
(3) When the module with protection film attached is stored for a long time, sometimes there remains a
very small amount of glue still on the polarizer after the protection film is peeled off.
(4) You can remove the glue easily. When the glue remains on the polarizer surface or its vestige is
recognized, please wipe them off with absorbent cotton waste or other soft material like chamois
soaked with normal-hexane.
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APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 1/3
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Liquid Crystal Display
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APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 2/3
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Liquid Crystal Display
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APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 3/3
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Liquid Crystal Display
Product Specification
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