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LP141WX5
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 14.1" WXGA TFT LCD
Customer Lenovo SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LP141WX5
Suffix TLN1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY SIGNATURE APPROVED BY SIGNATURE
G. J. Kwon / G.Manager
/
REVIEWED BY
/
S. R. Kim / Manager
/ PREPARED BY
S. Y. Kim / Engineer
Y. C. Jung / Engineer
Please return 1 copy for your confirmation with Products Engineering Dept.
your signature and comments. LG Display Co., Ltd
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LP141WX5
Liquid Crystal Display
Product Specification
Contents
No ITEM Page
COVER 1
CONTENTS 2
RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS
3-1 ELECTRICAL CHARACTREISTICS 6
3-2 INTERFACE CONNECTIONS 7
3-3 LVDS SIGNAL TIMING SPECIFICATIONS 9
3-4 SIGNAL TIMING SPECIFICATIONS 11
3-5 SIGNAL TIMING WAVEFORMS 11
3-6 COLOR INPUT DATA REFERNECE 12
3-7 POWER SEQUENCE 13
4 OPTICAL SFECIFICATIONS 14
5 MECHANICAL CHARACTERISTICS 18
6 RELIABLITY 25
7 INTERNATIONAL STANDARDS
7-1 SAFETY 26
7-2 EMC 26
8 PACKING
8-1 DESIGNATION OF LOT MARK 27
8-2 PACKING FORM 27
9 PRECAUTIONS 28
A APPENDIX. Enhanced Extended Display Identification Data 30
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LP141WX5
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
EDID
Revision No Revision Date Page Description
ver
0.0 OCT. 16. 2008 - First Draft (Preliminary Specification) -
4 Update the Luminance spec.
6 Update of the Electrical Characteristics.
11 Update of the Signal Timing spec.
0.1 NOV. 18. 2008 13 Modify Power Sequence table. 0.1
14 Update of the Optical Characteristics.
19~20 Change of FPC Tolerance & Label.
30~32 Update of the EEDID Table.
1.0 Feb. 18. 2009 - Final Specification 1.0
20 Update of the Label Drawing.
30~32 Update of the EEDID Table.
18 Byte(hex) : 18 EA , 7F Byte(hex) : 44 72(Checksum)
1.1 Feb. 23. 2009 - Final Specification 1.0
6 Add Note 3. contents.
1.2 Mar.11.2009 28 Label information is added. 1.0
1.3 Apr.01.2009 20 Update of Drawing (Removing Sponges) 1.0
1.4 Arp.03.2009 28 Update of Label information and NEG glass comment 1.0
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LP141WX5
Liquid Crystal Display
Product Specification
1. General Description
The LP141WX5 is a Color Active Matrix Liquid Crystal Display with an integral 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 14.1 inches diagonally measured active display area with WXGA
resolution(800 vertical by 1280 horizontal pixel array). Each pixel is divided into Red, Green and Blue sub-
pixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is
determined with a 6-bit gray scale signal for each dot, thus, presenting a palette of more than 262,144
colors.
The LP141WX5 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP141WX5 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
LP141WX5 characteristics provide an excellent flat display for office automation products such as Notebook
PC.
CN
CN
1
1
User connector
User connector
30
30
Pin
Pin
(( Pin)
12 '
FPC
12
FPC
Pin)
General Features
Active Screen Size 14.1 inches diagonal
Outline Dimension 319.5(H,Typ.) 205.5(V,Typ.) 5.5(D,Max.) [mm]
Pixel Pitch 0.2373mm 0.2373 mm
Pixel Format 1280 horiz. By 800 vert. Pixels RGB strip arrangement
Color Depth 6-bit, 262,144 colors
Luminance, White 220 cd/m2 (Typ.5 point)
Power Consumption Total 3.5 Watt(Typ.) @ LCM circuit 1.2 Watt (Typ._Mosaic), B/L 2.3Watt(Typ.)
Weight 400g(Max.)
Display Operating Mode Transmissive mode, normally white
Surface Treatment Glare treatment of the front polarizer
RoHS Comply Yes
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LP141WX5
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
Values
Parameter Symbol Units Notes
Min Max
Power Input Voltage VCC -0.3 4.0 Vdc at 25 r 5qC
Operating Temperature TOP 0 50 qC 1
Storage Temperature HST -20 60 qC 1
Operating Ambient Humidity HOP 10 90 %RH 1
Storage Humidity HST 10 90 %RH 1
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39qC Max, and no condensation of water.
90% 80%
60 60%
Wet Bulb 50
Humidity[(%)RH]
Temperature [ ] Storage
40 40%
30 Operation
20
20%
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ ]
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LP141WX5
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP141WX5 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, is typically generated by an
LED Driver. The LED Driver is an external unit to the LCD.
Table 2. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VCC 3.0 3.3 3.6 V
Power Supply Input Current 305 360 415
ICC mA 1
(WinXP Desktop Pattern) ( 300 ) ( 355 ) ( 410 )
Power Consumption 1.2 1.4
PCC - W 1
(WinXP Desktop Pattern) ( 1.2 ) ( 1.4 )
Power Supply Inrush Current ICC_P - - 1500 mA
LVDS Impedance ZLVDS 90 100 110 2
LED :
Operating Current IBL 5.0 20.0 25.0 mA 3
Operating Voltage per string VLED 17.4 19.2 20.5 V
Power Consumption PBL - 2.3 2.5 W 4
Life Time 12,000 Hrs 5
Note)
1. The specified current and power consumption are under the Vcc = 3.3V , 25 , fv = 60Hz condition
whereas Mosaic pattern is displayed and fv is the frame frequency.
2. This impedance value is needed to proper display and measured form LVDS Tx to the mating connector.
3. The typical operating current is for the typical surface luminance (LWH) in optical characteristics
ILED is the current of each LED's string, LED backlight has 6 strings X 6 numbers on it.
4. The specified LED current and power consumption are under the Vled = 12.0V , 25 , Dimming of Max
luminance whereas White pattern is displayed and fv is the frame frequency.
5. The life time is determined as the time at which brightness of LCD is 50% compare to that of minimum
value at Table 7. These LED backlight has 6 strings on it and the typical current of LED's string is base
on typical current at Table 2.
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LP141WX5
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs two interface connections, a 30 pin connector is used for the module electronics interface
and the other connector is used for the integral backlight system.
The electronics interface connector is a model GT101-30S-HR11 manufactured by LSC.
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
Pin Symbol Description Notes
1 GND Ground
2 VCC Power Supply, 3.3V Typ.
3 VCC Power Supply, 3.3V Typ. 1, Interface chips
1.1 LCD : SW, SW0612B (LCD Controller)
4 V EEDID DDC 3.3V power including LVDS Receiver
1.2 System : THC63LVD823A or equivalent
5 NC Reserved for supplier test point
* Pin to Pin compatible with LVDS
6 Clk EEDID DDC Clock
2. Connector
7 DATA EEDID DDC Data 2.1 LCD : GT101-30S-HR11, LSC
it's compatible.
8 RIN 0- Negative LVDS differential data input
2.2 Mating : FI-X30M or equivalent.
9 RIN 0+ Positive LVDS differential data input
2.3 Connector pin arrangement
10 GND Ground
11 RIN 1- Negative LVDS differential data input
12 RIN 1+ Positive LVDS differential data input
13 GND Ground
14 RIN 2- Negative LVDS differential data input
[LCD Module Rear View]
15 RIN 2+ Positive LVDS differential data input
16 GND Ground
17 CLKIN- Negative LVDS differential clock input
18 CLKIN+ Positive LVDS differential clock input
19 GND Ground
20 NC No Connect
21 NC No Connect
22 GND Ground
23 NC No Connect
24 NC No Connect
25 GND Ground
26 NC No Connect
27 NC No Connect
28 GND Ground
29 NC No Connect
30 NC No Connect
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LP141WX5
Liquid Crystal Display
Product Specification
Table 4. LED FPC CONNECTOR PIN CONFIGURATION
Pin Symbol Description Notes
1 FB1 LED Channel 1 Cathode
Connector
2 FB2 LED Channel 2 Cathode FH33-12S-0.5SH, Hirose
it's compatible.
3 FB3 LED Channel 3 Cathode
4 FB4 LED Channel 4 Cathode
5 FB5 LED Channel 5 Cathode
6 FB6 LED Channel 6 Cathode
7 NC No Connect FPC
8 NC No Connect
9 NC No Connect
10 Vin LED Power ( LED Anode)
[LCD Module Front View]
11 Vin LED Power ( LED Anode)
12 Vin LED Power ( LED Anode)
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LP141WX5
Liquid Crystal Display
Product Specification
3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
Symb
Description Min Max Unit Notes
ol
LVDS Differential Voltage |VID| 100 600 mV -
LVDS Common mode Voltage VCM 0.6 1.8 V -
LVDS Input Voltage Range VIN 0.3 2.1 V -
3-3-2. AC Specification
Description Symbol Min Max Unit Notes
85MHz > Fclk
tSKEW - 400 + 400 ps
65MHz
LVDS Clock to Data Skew Margin
65MHz > Fclk
tSKEW - 600 + 600 ps
25MHz
LVDS Clock to Clock Skew Margin (Even
tSKEW_EO - 1/7 + 1/7 Tclk -
to Odd)
Maximum deviation
FDEV - 3 % -
of input clock frequency during SSC
Maximum modulation frequency
FMOD - 200 KHz -
of input clock during SSC
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LP141WX5
Liquid Crystal Display
Product Specification
< Clock skew margin between channel >
Freq.
Fmax
Fcenter
Fmin
Time
< Spread Spectrum >
3-3-3. Data Format
1) LVDS 1 Port
RCLK+
RA+/- R3 R2 R1 R0 G0 R5 R4 R3 R2 R1 R0 G0 R5 R4
RB+/- G4 G3 G2 G1 B1 B0 G5 G4 G3 G2 G1 B1 B0 G5
RC+/- B5 B4 B3 B2 DE VSYNC HSYNC B5 B4 B3 B2 DE VSYNC HSYNC
RD+/- G7 G6 R7 R6 X B7 B6 G7 G6 R7 R6 X B7 B6
Previous (N-1)th Cycle Current (Nth ) Cycle Next (N+1)th Cycle
< LVDS Data Format >
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LP141WX5
Liquid Crystal Display
Product Specification
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.
Table 5. TIMING TABLE
ITEM Symbol Min Typ Max Unit Note
DCLK Frequency fCLK - 69.3 - MHz
Period Thp 1360 1406 1480
Hsync Width tWH 16 32 48 tCLK
Width-Active tWHA 1280 1280 1280
Period tVP 809 822 860
Vsync
Width tWV 2 6 10 tHP
Width-Active tWVA 800 800 800
Horizontal back porch tHBP 40 46 96
tCLK
Data Horizontal front porch tHFP 24 48 56
Enable Vertical back porch tVBP 6 13 32
tHP
Vertical front porch tVFP 1 3 18
Note) Refresh Rate for Power Saving Mode
In this documentation, all reliabilities are specified for timing specification based on refresh rate of 60Hz.
However, LP141WX5 has a good actual performance even at lower refresh rate (eg. 40Hz or 50Hz)
for power saving mode, whereas LP141WX5 is secured only for function under lower refresh rate.
60Hz at Normal mode, 50Hz, 40Hz at Power save mode. Don't care Flicker level (power save mode).
3-5. Signal Timing Waveforms Condition : VCC =3.3V
High: 0.7VCC
Data Enable, Hsync, Vsync
Low: 0.3VCC
tCLK 0.5 Vcc
DCLK
tHP
Hsync t
WH
tHBP tWHA tHFP
Data Enable
tVP
tWV
Vsync tVBP tWVA tVFP
Data Enable
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LP141WX5
Liquid Crystal Display
Product Specification
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.
Table 6. COLOR DATA REFERENCE
Input Color Data
RED GREEN BLUE
Color
MSB LSB MSB LSB MSB LSB
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Red 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
Green 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
Basic Blue 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
Color Cyan 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
Magenta 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1
Yellow 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
White 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
RED (00) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RED (01) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
RED ... ... ... ...
RED (62) 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
RED (63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (00) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (01) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
GREEN ... ... ... ...
GREEN (62) 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0
GREEN (63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
BLUE (00) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
BLUE (01) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
BLUE ... ... ... ...
BLUE (62) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0
BLUE (63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
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LP141WX5
Liquid Crystal Display
Product Specification
3-7. Power Sequence
90% 90%
Power Supply For LCD
VCC
0V 10% 10%
T5 T6 T7
T1 T2
Interface Signal, Valid Data
Vi
(LVDS Signal of Transmitter) 0V
T3 T4
LED Power OFF LED ON OFF
Table 7. POWER SEQUENCE TABLE
Parameter Value Units
Min. Typ. Max.
T1 0 - 10 (ms)
T2 0 - 50 (ms)
T3 200 - - (ms)
T4 0 - - (ms)
T5 0 - - (ms)
T6 0 - 10 (ms)
T7 150 - - (ms)
Note)
1. Valid Data is Data to meet "3-3. LVDS Signal Timing Specifications"
2. Please avoid floating state of interface signal at invalid period.
3. When the interface signal is invalid, be sure to pull down the power supply for LCD VCC to 0V.
4. LED power must be turn on after power supply for LCD and interface signal are valid.
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LP141WX5
Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been `ON' and stable for approximately 30 minutes in
a dark environment at 25qC. The values specified are at an approximate distance 50cm from the LCD surface
at a viewing angle of ) and 4 equal to 0q.
FIG. 1 presents additional information concerning the measurement equipment and method.
FIG. 1 Optical Characteristic Measurement Equipment and Method
LCD Module Pritchard 880 or
Optical Stage(x,y)
equivalent
50cm
Table 8. OPTICAL CHARACTERISTICS
Ta=25qC, VCC=3.3V, fV=60Hz, fCLK= 69.3MHz, ILED= 20 mA
Values
Parameter Symbol Units Notes
Min Typ Max
Contrast Ratio CR - 500 - 1
Surface Luminance, white LWH 190 220 - cd/m2 2
Luminance Variation (13point) G WHITE 60 70 - % 3
Luminance Variation (5point) G WHITE 70 80 - %
Response Time TrR+ TrD 16 25 ms 4
Color Coordinates
RED RX 0.544 0.574 0.604
RY 0.319 0.349 0.379
GREEN GX 0.305 0.335 0.365
GY 0.512 0.542 0.572
BLUE BX 0.126 0.156 0.186
BY 0.106 0.136 0.166
WHITE WX 0.283 0.313 0.343
WY 0.299 0.329 0.359
Viewing Angle 5
x axis, right()=0q) 4r 40 45 - degree
x axis, left ()=180q) 4l 40 45 - degree
y axis, up ()=90q) 4u 15 20 - degree
y axis, down ()=270q) 4d 35 40 - degree
Gray Scale 2.2 6
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LP141WX5
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 followed numerical formula.
For more information see FIG 2.
Maximum(L1,L2, ... L13)
G WHITE =
Minimum(L1,L2, ... L13)
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
Gray Level Luminance [%] (Typ)
L0
L7
L15
L23
L31
L39
L47
L55
L63
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LP141WX5
Liquid Crystal Display
Product Specification
FIG. 2 Luminance
H
A D
L6 L7 L8 H,V : ACTIVE AREA
C
A : H/4 mm
B : V/4 mm
L2 L3 C : 10 mm
D : 10 mm
B
POINTS : 13 POINTS
V
L9 L1 L10
Center Point
L4 L5
L11 L12 L13
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".
TrR TrD
%
100
90
Optical
Response
10
0 white white
black
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LP141WX5
Liquid Crystal Display
Product Specification
FIG. 4 Viewing angle
Normal
Eye Y
I = 90 q , Up
I = 180 q ,
Left T
I
I = 0q ,
Right
I = 270 q ,
Down
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LP141WX5
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP141WX5. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
Horizontal 319.5 r 0.5mm
Outline Dimension Vertical 205.5 r 0.5mm
Thickness 5.5mm (max)
Horizontal 306.76 r 0.5mm
Bezel Area
Vertical 193.00 r 0.5mm
Horizontal 303.74 mm
Active Display Area
Vertical 189.84 mm
Weight 400(Max)
Surface Treatment Glare treatment of the front polarizer
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LP141WX5
Liquid Crystal Display
Product Specification
Note) Unit:[mm], General tolerance: r 0.5mm
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LP141WX5
Liquid Crystal Display
Product Specification
Note) Unit:[mm], General tolerance: r 0.5mm
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LP141WX5
Liquid Crystal Display
Product Specification
[ DETAIL DESCRIPTION OF SIDE MOUNTING SCREW ]
Notes : 1. Screw plated through the method of non-electrolytic nickel plating is preferred
to reduce possibility that results in vertical and/or horizontal line defect due to
the conductive particles from screw surface.
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LP141WX5
Liquid Crystal Display
Product Specification
LPL Proposal for system cover design.(Appendix)
Gap check for securing the enough gap between LCM
1
and System cover.
1.Rear side of LCM is sensitive against external stress,and previous check
about interference is highly needed.
Define 2.In case there is something from system cover comes into the boundary
above,mechanical interference may cause the FOS defects.
(Eg:Ripple,White spot..)
2 Check if antenna cable is sufficiently apart from T-CON of LCD Module.
Define
NO GOOD GOOD
1.If system antenna is overlapped with T-CON,it might be cause the noise.
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LP141WX5
Liquid Crystal Display
Product Specification
LPL Proposal for system cover design.
Gap check for securing the enough gap between LCM
3
and System hinge.
1.At least 2.0mm of gap needs to be secured to prevent the shock
Define related defects.
2."L" type of hinge is recommended than "I" type under shock test.
4 Checking the path of the System wire.
#6 #5 #4 #3 #2 #1
Good Ok Bad
1.COF area needs to be handled with care.
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