0.1Nov. 30. 201119~20Update Detail Information of PPID label and Revision Code
PageDescription
EDID
ver
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1. General Description
The LP140WH2 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 14.0 inches diagonally measured active display area with HD r
esolution (1366 horizontal by 768 vertical pixel array). Each pixel is divided into Red, Green and Blue sub-pi
xels or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is deter
mined with a 6-bit gray scale signal for each dot, thus, presenting a palette of more than 262,144 colors. Th
e LP140WH2 has been designed to apply the interface method that enables low power, high speed, low EM
I. The LP140WH2 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 LP140W
H2 characteristics provide an excellent flat display for office automation products such as Notebook PC.
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LP140WH2
Liquid Crystal Display
Product Specification
EEPROM Block
EEPROM Block
for EDID
for EDID
1
User connector 40 Pin
EEPROM Block
EEPROM Block
for Tcon Operating
for TconOperating
TFT-LCD Panel
Timing Control
LVDS
1port
VCC
VLED
LED_EN
PWM
Timing Control
(Tcon) Block
(Tcon) Block
DVCC
Power
Block
LED Driver
LED Driver
Block
TCLKs
Power
Block
Block
VGH, VGL, GMA
Gate Signals, DSC
Control & DataPower
E
PI
DVCC, AVDD
VOUT_LED
FB1~3
(HD, GD-IC, TN)
Source Driver
(Bottom)
LED Backlight Ass’y
EDID signal & Power
General Features
Active Screen Size14.0 inches diagonal
Outline Dimension320.4(H, typ)
Pixel Pitch0.2265mm
Pixel Format1366 horiz. by 768 vert. Pixels RGB strip arrangement
Color Depth6-bit, 262,144 colors
Luminance, White200 cd/m
Power Consumption
Total TBD W(Typ.) Logic : TBD W (Typ.@ Mosaic), B/L : TBD W (Typ.@ VLED 12
V )
Weight320g (Max.)
Display Operating ModeTransmissive mode, normally white
Surface TreatmentGlare treatment of the front Polarizer
RoHS ComplianceYes
BFR / PVC / As Free Yes for all
198.1(V, typ) Ý3.6(D,max) [mm] (with PCB Board)
0.2265 mm
2
1366
1
Gate Driver
768
Gate Signals
,
DSC
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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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LP140WH2
Liquid Crystal Display
Product Specification
Table 1. ABSOLUTE MAXIMUM RATINGS
ParameterSymbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC-0.34.0Vdcat 25 r5qC
TOP050qC1
HST-2060
HOP1090%RH1
HST1090%RH1
Values
MinMax
UnitsNotes
C1
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39
Wet Bulb
Temperature [
10
0
]
30
20
qC Max, and no condensation of water.
90% 80%
60
50
40
60%
Humidity[(%)RH]
40%
20%
10%
Storage
Operation
-20
10
20304050
6070800
Dry Bulb Temperature []
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The LP140WH2 requires two power inputs. The first logic is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. The second backlight is the input about LED BL with LED Driver.
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LP140WH2
Liquid Crystal Display
Product Specification
Table 2. ELECTRICAL CHARACTERISTICS
ParameterSymbol
UnitNotes
MinTypMax
LOGIC :
Values
Power Supply Input VoltageV
Power Supply Input Curre
nt
Mosaic
BlackTBD
Power ConsumptionP
Power Supply Inrush CurrentI
DBC_EN Input VoltageV
LVDS ImpedanceZ
CC3.03.33.6V1
-TBDTBDmA2
CC
I
TBDmA
CCTBDTBDW2
CC_P--1500mA3
DBC_EN3.03.6V
LVDS90100110
BACKLIGHT : ( with LED Driver)
LED Power Input VoltageV
LED Power Input CurrentI
LED Power Consumption P
LED Power Inrush CurrentI
LED7.012.021.0V5
LED-TBDTBDmA
LED-TBDTBDW
LED_P--1000mA7
PWM Duty Ratio5-100%8
PWM Jitter
-
0-0.2%9
4
6
PWM ImpedanceZ
PWM FrequencyF
PWM High Level VoltageV
PWM Low Level VoltageV
LED_EN ImpedanceZ
LED_EN High Voltage
LED_EN Low VoltageV
PWM204060k
PWM200-1000Hz10
PWM_H
PWM_L
PWM204060k
V
LED_EN_
H
LED_EN_L0-0.3V
3.0-3.6V
0-0.3V
3.0-3.6V
Life Time15,000--Hrs11
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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. This Spec. is the max load condition for the cable impedance designing.
4. 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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LP140WH2
Liquid Crystal Display
Product Specification
Rising time
Vcc
0V
5. This impedance value is needed for proper display and measured form LVDS Tx to the mating connector.
6. The measuring position is the connector of LCM and the test conditions are under 25.
7. 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).
8. The below figures are the measuring Vled condition
and the Vled control block LGD used.
VLED control block is same with Vcc control block.
9. The operation of LED Driver below minimum dimming ratio may cause flickering or reliability issue.
10. If Jitter of PWM is bigger than maximum, it may induce flickering.
11. 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.
12. 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 condition.
90%
10%
0.5ms
3.3V
Rising time
LED
V
0V
10%
12.0V
90%
0.5ms
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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.
1. LCD :
SiW, SW0663 (LCD Controller)
Including LVDS Receiver.
2. System : SiW LVDSRx or equivalent
* Pin to Pin compatible with LVDS
[Connector]
UJU IS050-L40B-C10
LSMtron GT05Q-40S-H10 or equivalent
[Mating Connector]
20345-#40E-## series or equivalent
[Connector pin arrangement]
40
[LCD Module Rear View]
1
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˻
˻
·
3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
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LP140WH2
Liquid Crystal Display
Product Specification
VDD=1.8V
Description
LVDS Differential Voltage|V
LVDS Common mode Volta
ge
LVDS Input Voltage RangeV
3-3-2. AC Specification
DescriptionSymbolMinMaxUnitNotes
LVDS Clock to Data Skew Margin
Symbo
l
|100-600mV-
ID
V
CM
IN
MinTypMaxUnit
|VID| /21.2VDD- |VID|/2V-
0.3-VDDV-
t
SKEW
t
SKEW
- 400+ 400ps
- 600+ 600ps
85MHz > Fclk
65MHz > Fclk
Hz
Hz
Note
s
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
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t
SKEW_EO
F
DEV
F
MOD
-1/7+ 1/7T
-
3%-
clk
-200KHz-
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Freq.
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LP140WH2
Liquid Crystal Display
Product Specification
< Clock skew margin between channel >
F
max
F
center
F
min
3-3-3. Data Format
1) LVDS 1 Port
RCLK+
RA+/-
R3R2
R1R0
1
F
MOD
< Spread Spectrum >
G0R5R4R3R2R1R0
F
G0
center
* F
DEV
Time
R5R4
RB+/-
RC+/-
RD+/-
G4G3
B5B4
G7G6
Previous(N-1)th CycleNext(N+1)th Cycle
G2G1
B3B2
R7R6
B1B0G5G4G3G2G1
DE VSYNC HSYNC B5B4B3B2
XB7B6G7G6R7R6
Current(Nth ) Cycle
B1
DE
X
< LVDS Data Format >
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B0G5
VSYNC HSYNC
B7B6
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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.
ITEMSymbolMinTypMaxUnitNote
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LP140WH2
Liquid Crystal Display
Product Specification
Table 4. TIMING TABLE
DCLKFrequencyf
Period
Hsync
Widtht
Width-Activet
Periodt
Vsync
Width-Activet
Horizontal back porcht
Data
Enable
Horizontal front porcht
Vertical back porcht
Vertical front porcht
3-5. Signal Timing Waveforms
Data Enable, Hsync, Vsync
DCLK
tCLK
0.5 Vcc
CLK
t
HP
WH
WHA
VP
WV
WVA
HBP
HFP
VBP
VFP
High: 0.7VCC
Low: 0.3VCC
-69.3-MHz
144614701518
243248
136613661366
780786792
235
768768768
324056
243248
71012
357
Condition : VCC =3.3V
tCLK
tHPWidtht
tCLK
tHP
t
Hsync
t
WH
t
HBP
HP
tWHA
t
HFP
Data Enable
t
VP
t
WV
Vsync
t
VBP
tWVA
t
VFP
Data Enable
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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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3-7. Power Sequence
Power Supply Input
VCC
0V
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Product Specification
90%
LP140WH2
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.
0.5-10ms
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
0-5000ms
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
)
4
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Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 20 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
LP140WH2
Optical Stage(x,y)
LCD Module
500mm·50mm
Equipment
Table 7. OPTICAL CHARACTERISTICS
Ta=25qC, VCC=3.3V, fV=60Hz, f
ParameterSymbol
Contrast RatioCR400500-1
Surface Luminance, whiteL
Luminance Variation
Response TimeTr
Color Coordinates
REDRX0.5550.5850.615
GREENGX0.3100.3400.370
BLUEBX0.1300.1600.190
WHITEWX0.2830.3130.343
Viewing Angle5
=90q)
)
=180q)
=270q)
x axis, right(
x axis, left (
y axis, up (
y axis, down (
Gray Scale6
WH
WHITE
R + TrD
RY0.3150.3450.375
GY0.5300.5600.590
BY0.0950.1250.155
WY0.2990.3290.359
r40--degree
l40--degree
u10 --degree
d30 --degree
MinTypMax
170200-cd/m
-1.41.6-3
-1625ms 4
Values
UnitsNotes
2
CLK
= 69.3MHz
2
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Liquid Crystal Display
Product Specification
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.
LWH = Average(L1,L2, … L5)
3. The variation in surface luminance , The panel total variation (G WHITE) is determined by measuring LN
at each test position 1 through 13 and then defined as following numerical formula.
For more information see FIG 2.
LP140WH2
Maximum(L1,L2, … L13) - Minimum(L1,L2, … L13)
G WHITE( = * 100(%)
4. Response time is the time required for the display to transition from white to black (rise time, TrR) and
from black to white(Decay Time, TrD). For additional information see FIG 3.
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 * fV = 60Hz
Maximum(L1,L2, … L13)
Gray LevelLuminance [%] (Typ)
L00.16
L71.45
L155.36
L2312.2
L3121.0
L3934.8
L4752.5
L5574.2
L63100.0
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FIG. 2 Luminance
<Measuring point for Average Luminance & measuring point for Luminance variation>
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LP140WH2
Liquid Crystal Display
Product Specification
H
10mm
B
V
FIG. 3 Response Time
678
910
1112
A
10mm
2
1
4
3
5
13
Active Area
H,V
: ACTIVE AREA
A : H/4 mm
B : V/4 mm
POINTS: 13 POINTS
The response time is defined as the following figure and shall be measured by switching the input signal
for “black” and “white”.
Tr
Tr
R
D
%
100
90
Optical
Response
10
0
white
white
black
FIG. 4 Viewing angle
I
= 180
q
<Dimension of viewing angle range>
,
Left
Normal
Eye
Y
I
= 90q, Up
T
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 LP140WH2. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
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LP140WH2
Liquid Crystal Display
Product Specification
Horizontal320.4
Outline Dimension
Bezel Area
Active Display Area
Weight320g (Max.)
Surface TreatmentHard Coating(3H), Anti glare treatment of the front polarizer
Vertical198.1
Thickness3.6mm (max)
Horizontal312.60
Vertical177.50
Horizontal309.40 mm
Vertical173.95 mm
0.5mm
0.5mm
<Outline Dimension : With PCB Board>
A
0.5mm
0.5mm
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B
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LP140WH2
Liquid Crystal Display
Product Specification
<FRONT VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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LP140WH2
Liquid Crystal Display
Product Specification
<REAR VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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[ DETAIL INFORMATION OF PPID LABEL AND REVISION CODE ]
* Country of Origin
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LP140WH2
Liquid Crystal Display
Product Specification
* PPID Label Revision
* PPID Label Revision :
It is subject to change with Dell event. Please refer to the below table for detail.
ClassificationNo Change1st Revision
SST(WS)X00X01X02…A09…
PT(ES)X10X11X12…A19…
ST(CS)X20X21X22…A29…
XB(MP)A00A01A02…A09…
Country of OriginFactory ID
CN: ChinaLGDNJ
KR: Korea-
2nd Revisio
n
…
9th Revisio
n
…
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q
q
q
q
6. Reliability
Environment test condition
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LP140WH2
Liquid Crystal Display
Product Specification
No
.
1High temperature storage testTa= 60
2Low temperature storage testTa= -20
3High temperature operation testTa= 50
4Low temperature operation testTa= 0
5Vibration test (non-operating)Sine wave, 5 ~ 150Hz, 1.5G, 0.37oct/min
6Shock test (non-operating)- No functional or cosmetic defects following a s
7Altitude operati
ng
{ Result Evaluation Criteria }
nt
There should be no change which might affect the practical display function when the display quality
test is conducted under normal operating condition.
Test ItemConditions
C, 240h
C, 240h
C, 50%RH, 240h
C, 240h
3 axis, 30min/axis
hock to all 6 sides delivering at least 180 G in a h
alf sine pulse no longer than 2 ms to the display
module
- No functional defects following a shock deliveri
ng at least 200 g in a half sine pulse no longer th
an 2 ms to each of 6 sides. Each of the 6 sides w
ill be shock tested with one each display, for a to
tal of 6 displays
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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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LP140WH2
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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LP140WH2
Liquid Crystal Display
Product Specification
Note
1. YEAR
Year
Mark
CBA
2014E2015
D
201320122011
2016G2017H2018J2019
F
2. MONTH
Month
Mark
Apr5May
4
Jun7Jul8Aug9Sep
6
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 : 20pcs
b) Box Size : 478mm X 365mm X 288mm
2020
K
Oct
A
Nov
B
DecMarFebJan
C321
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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.
(10) When handling the LCD module, it needs to handle with care not to give mechanical stress to the PCB
and Mounting Hole area.”
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LP140WH2
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
When storing modules as spares for a long time, the following precautions are necessary.
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LP140WH2
Liquid Crystal Display
Product Specification
(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
Product Specification
TBD
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APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 2/3
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Liquid Crystal Display
Product Specification
TBD
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APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 3/3
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TBD
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