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LP141WX5
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 14.1" WXGA TFT LCD
Customer SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LP141WX5
Suffix TPP1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY SIGNATURE APPROVED BY SIGNATURE
H.S. Kim / G.Manager
/
REVIEWED BY
/
Y. S. Ha / Manager
/ PREPARED BY
K.Y. Kwon / Engineer
C.Y. 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 CONNECTION 7
3-3 eDP SIGNAL TIMING SPECIFICATIONS 8
3-4 SIGNAL TIMING SPECIFICATIONS 10
3-5 SIGNAL TIMING WAVEFORMS 10
3-6 COLOR INPUT DATA REFERNECE 11
3-7 POWER SEQUENCE 12
4 OPTICAL SFECIFICATIONS 13
5 MECHANICAL CHARACTERISTICS 16
A APPENDIX. LPL PROPOSAL FOR SYSTEM COVER DESIGN 20-22
6 RELIABLITY 23
7 INTERNATIONAL STANDARDS
7-1 SAFETY 24
7-2 EMC 24
8 PACKING
8-1 DESIGNATION OF LOT MARK 25
8-2 PACKING FORM 25
9 PRECAUTIONS 26
A APPENDIX. Enhanced Extended Display Identification Data 28-30
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LP141WX5
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
EDID
Revision No Revision Date Page Description
ver
0.0 Mar. 29. 2010 All First Draft (Preliminary Specification) 0.0
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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 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 14.1 inches diagonally measured active display area with
WXGA resolution (1280 horizontal by 800 vertical 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.
EEPROM Block
EEPROM Block 1 1280
for Tcon & EDID
for Tcon & EDID
User connector
TFT-LCD Panel
Timing Control
Timing Control (WXGA, GIP, TN)
eDP (Tcon) Block
(Tcon) Block
Min
i- LVD 800
DVCC TCLKs S
40
DVCC, AVDD
Pin
Power Source Driver
Power VGH, VGL, GMA
VCC (Bottom Bent)
Block
Block GIP CLKs, DSC
VLED VOUT_LED
LED_EN
LED Driver
LED Driver FB1~6
LED Backlight Ass'y
PWM / Block
SMBUS Block
Control & Data Power EDID signal & Power
General Features
Active Screen Size 14.1 inches diagonal
Outline Dimension 319.5(H, Typ.) 206.5(V, Typ.) 5.5(D, Max.) mm
Pixel Pitch 0.2373mm X 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., @ ILED= 18 mA)
Power Consumption Total 4.7 W(Typ.) Logic : 1.5 W (Typ.@ Mosaic), B/L : 3.2 W (Typ.@ 18mA )
Weight 375g (Max.)
Display Operating Mode Transmissive mode, normally white
Surface Treatment Anti-Glare treatment (3H) of the front Polarizer
RoHS Compliance Yes
BFR / PVC / As Free Yes for all
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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. 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.
Table 2. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min Typ Max
LOGIC :
Power Supply Input Voltage VCC 3.0 3.3 3.6 V 1
Power Supply Input Current Mosaic ICC - 450 520 mA 2
Power Consumption PCC - 1.5 1.7 W 2
Power Supply Inrush Current ICC_P - - 2000 mA 3
eDP Impedance ZeDP 90 100 110 4
BACKLIGHT : ( with LED Driver)
LED Power Input Voltage VLED 7.5 12.0 21.0 V 5
LED Power Input Current ILED - 18 21 mA 6
LED Power Consumption PLED - 3.2 3.4 W 6
LED Power Inrush Current ILED_P - - 2000 mA 7
PWM Duty Ratio 5 - 100 % 8
PWM Jitter - 0 - 0.2 % 9
PWM Impedance ZPWM 20 40 60 k
PWM Frequency FPWM 200 - 1000 Hz 10
PWM High Level Voltage VPWM_H 3.0 - 5.3 V
PWM Low Level Voltage VPWM_L 0 - 0.3 V
LED_EN Impedance ZPWM 20 40 60 k
LED_EN High Voltage VLED_EN_H 3.0 - 5.3 V
LED_EN Low Voltage VLED_EN_L 0 - 0.3 V
Life Time 15,000 - - Hrs 11
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LP141WX5
Liquid Crystal Display
Product Specification
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.
3.3V
Rising time
Vcc 90%
0V 10%
0.5ms
5. This impedance value is needed for proper display and measured form eDP 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 12.0V
and the Vled control block LGD used. Rising time 90%
VLED control block is same with Vcc control block. VLED
0V 10%
0.5ms
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 sum of the continuous operation time at which brightness of LCD at the
typical LED current is 50% compare to that of minimum value specified in table 7 under general user condition.
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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.
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
Pin Symbol Description Notes
1 PAID Conn. Continuity Test [Interface Chip]
2 1. LCD :
GND High Speed (Main Link) Ground
IDT, VPP1420 (LCD Controller
3 Lane1_N Complement Signal-Lane 1 ( No Connection ) Including eDP Receiver.
4 Lane1_p True Signal-Main Lane 1 ( No Connection ) 2. System : TBD or equivalent
5 GND High Speed (Main Link) Ground * Pin to Pin compatible with eDP
6 Lane0_N Complement Signal-Lane 0
[Connector]
7 Lane0_p True Signal-Main Lane 0 CABLINE-VS RECE ASS'Y, I-PEX
or its compatibles
8 GND High Speed (Main Link) Ground
9 AUX_P True Signal-Auxiliary Channel [Mating Connector]
10 CABLINE-VS PLUG CABLE ASS'Y or
AUX_N Complement Signal-Auxiliary Channel
equivalent.
11 GND High Speed (Main Link) Ground
12 VCC LCD Logic and driver power (3.3V Typ.) [Connector pin arrangement]
30 1
13 VCC LCD Logic and driver power (3.3V Typ.)
14 BIST LCD Panel Self Test Enable
15 GND Ground
[LCD Module Rear View]
16 GND Ground
17 HPD HPD signal pin
18 GND LED Backlight Ground
19 GND LED Backlight Ground
20 GND LED Backlight Ground
21 GND LED Backlight Ground
22 LED_EN (NC) LED Backlight On/Off
23 PWM System PWM Signal input for dimming
24 SMBUS_CLK Backlight Control Clk
25 SMBUS_DATA Backlight Control Data
26 VLED LED Backlight Power (7.5V-21V)
27 VLED LED Backlight Power (7.5V-21V)
28 VLED LED Backlight Power (7.5V-21V)
29 VLED LED Backlight Power (7.5V-21V)
30 PAID Conn. Continuity Test
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LP141WX5
Liquid Crystal Display
Product Specification
3-3. eDP Signal Timing Specifications
3-3-1. DC Specification
The VESA Display Port related AC specification is compliant with the VESA Display Port Standard v1.1a.
Description Symbol Min Max Unit Notes
120 - For high bit rate
Differential peak-to-peak Input voltage VDIFF p-p mV
40 - For reduced bit rate
Rx DC common mode voltage VCM 0 2.0 V -
3-3-2. AC Specification
The VESA Display Port related AC specification is compliant with the VESA Display Port Standard v1.1a.
Description Symbol Min Typ Max Unit Notes
Unit Interval for high bit rate
UI_High_Rate - 370 - ps Range is nominal 350ppm.
(2.7Gbps/lane) DisplayPort Link Rx does not
require local crystal for link
Unit Interval for high bit rate clock generation
UI_Low_Rate - 617 - ps
(1.62Gbps/lane)
V Rx-SKEW-
Lane-to-Lane skew - - 5200 ps -
INTER_PAIR
V Rx-SKEW- - - 100 ps For high bit rate
Lane intra-pair skew
INTRA_PAIR - - 300 ps For reduced bit rate
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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 eDP Tx/Rx for its proper operation.
Table 4. TIMING TABLE
ITEM Symbol Min Typ Max Unit Note
DCLK Frequency fCLK - 74.8 - MHz
Period Thp 1376 1472 1600
Hsync Width tWH 32 44 56 tCLK
Width-Active tWHA 1280 1280 1280
Period tVP 807 846 885
Vsync
Width tWV 2 8 16 tHP
Width-Active tWVA 800 800 800
Horizontal back porch tHBP 32 94 172
tCLK
Data Horizontal front porch tHFP 32 54 92
Enable Vertical back porch tVBP 4 29 54
tHP
Vertical front porch tVFP 1 9 18
Condition : VCC =3.3V
3-5. Signal Timing Waveforms
High: 0.7VCC
Data Enable, Hsync, Vsync
Low: 0.3VCC
tCLK
DCLK 0.5 Vcc
tHP
Hsync t
WH
tHBP tWHA tHFP
Data Enable
tVP
tWV
Vsync tVFP
tVBP tWVA
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 5. 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 B 5 B 4 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 3.3V
90% 90%
Power Supply Input T1
VCC
10% 10%
0V
T2 T7
T6
HPD Out from LCM 0V
HPD Valid Channel Operational Data
Vcm
Aux Channel Data Input 0V
Link
AUX Training Idle
T3
Valid
Vcm Data Valid Video Data
Main Link Data Input 0V
ML0 T4 T5 T T9
8
3.3V 3.3V
LED BL Control Signal (No signal) BL On/Off (No signal) BL On/Off
( On/Off, Dimming, Mode ) & Dimming & Dimming
T11
SMBus T10
3.3V (High) 3.3V (High)
Additional Dimming Dimming Dimming
(DPST Only)
Control Signal for DPST 0V (Low) (DPST Only)
PWM T14 T15
90% 90%
LED input Voltage
0V 10% 10%
VLED
T12 T13
Table 6. POWER SEQUENCE TABLE
Logic Value LED Value
Units Units
Parameter Min. Typ. Max. Parameter Min. Typ. Max.
T1 0.5 - 10 ms T9 200 - - ms
T2 0 - 200 ms T10 200 - - ms
T3 50 75 - ms T11 0 - 50 ms
T4 0 - - ms T12 0.5 - - ms
T5 0 - - ms T13 0 - 5000 ms
T6 500 - - ms T14 0 - - ms
T7 3 - 10 ms T15 50 - - ms
T8 200 - - ms
Note)
1. Do not insert the mating cable when system turn on.
2. Valid Data have to meet "3-3. eDP 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.
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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 7. OPTICAL CHARACTERISTICS
Ta=25qC, VCC=3.3V, fV=60Hz, fCLK= 69.3MHz
Values
Parameter Symbol Units Notes
Min Typ Max
Contrast Ratio CR 300 - - 1
2
Surface Luminance, white LWH 200 220 - cd/m 2
Luminance Variation G WHITE - 1.4 1.6 3
TrR+
Response Time 16 ms 4
TrD
Color Coordinates
RED RX 0.550 0.580 0.610
RY 0.315 0.345 0.375
GREEN GX 0.307 0.337 0.367
GY 0.526 0.556 0.586
BLUE BX 0.129 0.159 0.189
BY 0.104 0.134 0.164
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 10 15 - degree
y axis, down ()=270q) 4d 30 35 - 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 following 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 0.2
L7 1.7
L15 5.8
L23 12.5
L31 21.6
L39 35.8
L47 54.8
L55 77.5
L63 100
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LP141WX5
Liquid Crystal Display
Product Specification
FIG. 2 Luminance
H
10mm A
6 7 8 10mm
2 3
B H,V : ACTIVE AREA
V A : H/4 mm
9 1 10
B : V/4 mm
POINTS: 13 POINTS
4 5 13
11 12
Active Area
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
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 206.5 r 0.5mm
Thickness 5.5mm (max.)
Horizontal 312.5 r 0.5mm
Bezel Area
Vertical 193.8 r 0.5mm
Horizontal 303.74 mm
Active Display Area
Vertical 189.84 mm
Weight 375g (Max.)
Surface Treatment Anti-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 ]
* Mounting Screw Length (A)
= 2.0(Min) / 2.5(Max)
* Mounting Screw Hole Depth (B)
= 2.5(Min)
* Mounting hole location : 3.7(typ.)
* Torque : 2.5 kgf.cm(Max)
(Measurement gauge : torque meter)
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.
[ DETAIL INFORMATION OF PPID LABEL AND REVISION CODE ]
* PPID Label Revision
37 mm
78 mm
* PPID Label Revision :
It is subject to change with Dell event. Please refer to the below table for detail.
Classification No Change 1st Revision 2nd Revision ... 9th Revision ...
SST(WS) X00 X01 X02 ... A09 ...
PT(ES) X10 X11 X12 ... A19 ...
ST(CS) X20 X21 X22 ... A29 ...
XB(MP) A00 A01 A02 ... A09 ...
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LP141WX5
Liquid Crystal Display
Product Specification
LGD Proposal for system cover design.(Appendix)
Gap check for securing the enough gap between LCM
1
and System cover.
Max Thickness
Sponge
LCM Reflector Side
System Cover
A Boundary Line
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
LGD Proposal for system cover design.
Gap check for securing the enough gap between LCM
3
and System hinge.
LCM Reflector Side
COF
(D-IC)
Hinge
Side Mount Screw Hole (2ea) GAP:Min2.0mm
("I" TYPE) ("L" TYPE)
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.
LCM Reflector Side
Ok Bad Good
1.COF area needs to be handled with care.
2.GOOD