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Final Specification
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LP121WX3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
Title 12.1” WXGA TFT LCD
Customer LENOVO
MODEL
APPROVED BY
/
/
/
SIGNATURE
SUPPLIER LG Display Co., Ltd.
*MODEL LP121WX3
Suffix TLB1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
G. J. Kwon / G.Manager
REVIEWED BY
S. R. Kim / Manager
PREPARED BY
SIGNATURE
S. Y. Kim / Engineer
T.S. Yun / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
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LP121WX3
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 CONNECTIONS
3-3 LVDS SIGNAL TIMING SPECIFICATIONS
3-4 SIGNAL TIMING SPECIFICATIONS
3-5 SIGNAL TIMING WAVEFORMS
3-6 COLOR INPUT DATA REFERNECE
Page
1
2
3
4
5
6
8
9
11
11
12
3-7 POWER SEQUENCE
4 OPTICAL SFECIFICATIONS
5 MECHANICAL CHARACTERISTICS
6 RELIABLITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
9 PRECAUTIONS
A APPENDIX. Enhanced Extended Display Identification Data
13
14
17
24
25
25
26
26
27
29
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LP121WX3
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Revision Date Page Description
0.0 Dec. 22. 2008 - First Draft (Preliminary Specification) 0.0
0.1 Feb. 10. 2009 12 Update the LED Power Sequence 0.1
13 Update the Color Coordinates (RGB Data)
28 Update the EDID Data
˧ Product Code: 0A(h): FA 0B(h): 01
1.0 Mar. 14. 2009 - Final Specification 1.0
EDID
ver
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LP121WX3
Liquid Crystal Display
Product Specification
1. General Description
The LP121WX3 is a Color Active Matrix Liquid Crystal Display with an integral White 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 12.1 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 LP121WX3 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP121WX3 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
LP121WX3 characteristics provide an excellent flat display for office automation products such as Notebook
PC.
ڞک
ڌ
ڰێۀۍٻھۊۉۉۀھۏۊۍٻ
ڏڋ
ګۄۉ
ڧڱڟڮٻځ
گۄۈۄۉۂ
ڞۊۉۏۍۊۇ
ڝۇۊھۆ
ګڪڲڠڭٻ
ڝڧڪڞڦ
ڠڟڤڟٻ
ڌ
ڢڤګڃڢڼۏۀٻڤۉٻګڼۉۀۇڄ
ړڋڋ
ڮۊېۍھۀٻڟۍۄۑۀۍٻڞۄۍھېۄۏ
ڌ
گڡگڈڧڞڟٻګڼۉۀۇ
ڃڌڍړڋٻۓٻړڋڋڄ
ڝڧڪڞڦ
ڝڼھۆۇۄۂۃۏٻڜێێ’۔
ࣿࣜࣜ ࣜࣜࣜ
General Features
Active Screen Size 12.1 inches diagonal
Outline Dimension
Pixel Pitch 0.204 mm Ý 0.204 mm
Pixel Format 1280 horiz. By 800 vert. Pixels RGB strip arrangement
Color Depth 6-bit, 262,144 colors
Luminance, White 200 cd/m
Power Consumption Total 3.9 Watt(Typ.) @ LCM circuit 0.8Watt(Typ.), B/L input 3.1Watt(Typ.)
Weight 270g(Max.)
Display Operating Mode Transmissive mode, normally white
Surface Treatment Anti-glare treatment of the front polarizer
275.8 (H) ϧ 178.1 (V) ϧ 5.5(D, max) mm
2
(Typ.5 point)
ڌڍړڋ
RoHS Comply Yes
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LP121WX3
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
Parameter
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC -0.3 4.0 Vdc at 25 r 5qC
T
OP
H
ST
H
OP
H
ST
Values
Units
Min Max
050qC1
-20 60 qC1
10 90 %RH 1
10 90 %RH 1
Note : 1. Temperature and relative humidity range are shown in the figure below.
qC
Wet bulb temperature should be 39
Wet Bulb
Temperature [
]
Max, and no condensation of water.
90% 80%
60
50
60%
Humidity[(%)RH]
Storage
NotesSymbol
40
30
20
10
0
-20
10
20 30 40 50
60 70 800
Dry Bulb Temperature []
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40%
20
%
10%
Operation
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LP121WX3
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP121WX3 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
Parameter Symbol
Values
Min Typ Max
Unit Notes
LOGIC :
Power Supply Input Voltage VCC 3.0 3.3 3.6 V
Power Supply Input Current I
Power Consumption
CC
Pc Mosaic - 0.8 0.9 W
Power Supply Inrush Current I
LVDS Impedance Z
Mosaic - 250 280 mA 1
CC_P
LVDS 90 100 110
- - 1500 mA
DC
˟
LED Backlight:
Operating Current per string I
Operating Voltage per string V
Power Consumption P
LED
LED
BL
5.0 20.0 21.0 mA 3
- 22.1 23.8 V
3.1 3.4 W 3
Life Time 12,000 Hrs 4
LED Driver
Power Supply Input Voltage V
Frequency F
PWM Dimming (Duty) Ratio D
PWM High Voltage Level V
PWM Low Voltage Level V
LED_EN High Voltage V
LED_EN Low Voltage V
PWM_ H
PWM_ L
LED_EN_H
LED_EN_L
BL+
PWM
on
7.0 12.0 20.0 V
200 1000 Hz 5
12.5 - 100 % 6
3.0 - 5.3 V
0-0.5V
3.0 - 5.3 V
0-0.5V
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
2. This impedance value is needed to proper display and measured form
LVDS Tx to the mating connector.
3. 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.
4. 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.
5. 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.
6. The operation of LED Driver below minimum dimming ratio may cause flickering or reliability issue.
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LP121WX3
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs one interface connections, a 40 pin connector is used for the module electronics interface
and the integral backlight system.
The electronics interface connector is a model FI-NXB40SL-HF10 manufactured by JAE.
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
Pin Symbol Description Notes
1 NC No Connection (Reserved for supplier)
2 VCC Power Supply, 3.3V (typical)
3 VCC Power Supply, 3.3V (typical)
4 V EEDID DDC 3.3V power
5 NC No Connection
6 Clk EEDID DDC Clock
7 DATA EEDID DDC Data
0- Negative LVDS differential data input
8
9
10
11
12
13
14
15
16
17
18
19 GND Ground
20 NC No Connection
21 NC No Connection
22 GND Ground
23 NC No Connection
24 NC No Connection
25 GND Ground
26 NC No Connection
27 NC No Connection
28 GND Ground
29 NC No Connection
30 NC No Connection
31 VBL- LED Ground
32 VBL- LED Ground
33 VBL- LED Ground
34 NC No Connection (Reserved for supplier)
35 VBL+ LED Power Supply 6V-20V
36 VBL+ LED Power Supply 6V-20V
37 VBL+ LED Power Supply 6V-20V
38 BLIM PWM for luminance control (200Hz ~ 1000Hz)
39 BL_Enable Backlight On/Off Control
40 NC No Connection (Reserved for supplier)
R
IN
R
0+ Positive LVDS differential data input
IN
GND Ground
R
1- Negative LVDS differential data input
IN
1+ Positive LVDS differential data input
R
IN
GND Ground
R
2- Negative LVDS differential data input
IN
R
2+ Positive LVDS differential data input
IN
GND Ground
CLKIN- Negative LVDS differential clock input
CLKIN+ Positive LVDS differential clock input
1, Interface chips
1.1 LCD : SW, SW0612B (LCD Controller)
including LVDS Receiver
1.2 System : THC63LVD823A or
* Pin to Pin compatible with LVDS
2. Connector
2.1 LCD
2.2 Mating : FI-NX400L or equivalent.
2.3 Connector pin arrangement
: FI-NXB40SL-HF10, JAE
it’s compatible.
[W
equivalent
X
[LCD Module Rear View]
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Product Specification
3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
LP121WX3
Liquid Crystal Display
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 ˻
65MHz
25MHz
LVDS Clock to Clock Skew Margin (Even
to Odd)
Maximum deviation
of input clock frequency during SSC
Maximum modulation frequency
of input clock during SSC
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SKEW_EO
F
DEV
F
MOD
-1/7 -
+ 1/7 T
clk
- · 3%
- 200 KHz
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Freq.
F
max
F
center
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Product Specification
< Clock skew margin between channel >
LP121WX3
Liquid Crystal Display
m
QGm
kl}
F
min
3-3-3. Data Format
1) LVDS 1 Port
RCLK+
RA+/-
RB+/-
RC+/-
R3 R2
G4 G3
B5 B4
R1 R0
G2 G1
B3 B2
X
m
tvk
< Spread Spectrum >
G0 R5 R4 R3 R2 R1 R0
B1 B0 G5 G4 G3 G2 G1
DE VSYNC HSYNC B5 B4 B3 B2
Time
G0
B1
DE
VSYNC HSYNC
R5 R4
B0 G5
RD+/-
G7 G6
Previous (N-1)th Cycle Next (N+1)th Cycle
R7 R6
X B7 B6 G7 G6 R7 R6
Current (Nth ) Cycle
X
< LVDS Data Format >
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LP121WX3
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 4. TIMING TABLE
ITEM Symbol Min Typ Max Unit Note
DCLK Frequency f
Period Thp 1376 1408 1480
Width t
Width-Active t
Period t
Vsync
Width t
Width-Active t
Horizontal back porch t
Data
Enable
Horizontal front porch t
Vertical back porch t
Vertical front porch t
3-5. Signal Timing Waveforms
Data Enable, Hsync, Vsync
CLK
WH
WHA
VP
WV
WVA
HBP
HFP
VBP
VFP
High: 0.7VCC
Low: 0.3VCC
66.9 69.3 73.9 MHz
24 32 40
tCLKHsync
1280 1280 1280
810 820 832
24 6
tHP
800 800 800
56 72 96
tCLK
16 24 64
61218
tHP
24 8
Condition : VCC =3.3V
DCLK
Hsync
t
WH
tCLK
t
HBP
0.5 Vcc
t
HP
WHA
t
Data Enable
t
VP
t
WV
Vsync
t
VBP
tWVA
Data Enable
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LP121WX3
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
Basic
Color
RED
Color
Black
Red
Green
Blue
Cyan
Magenta
Yellow
White
RED (00)
RED (01)
RED (62)
RED (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
MSB LSB
GREEN
BLUE
MSB LSB
GREEN (00)
GREEN (01)
GREEN
...
GREEN (62)
GREEN (63)
BLUE (00)
BLUE (01)
BLUE
…
BLUE (62)
BLUE (63)
Ver. 1.0 Mar. 14, 2009
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
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3-7. Power Sequence
Power Supply Input
VCC
0V
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Product Specification
90%
LP121WX3
Liquid Crystal Display
90%
10%10%
Interface Signal, V
i
LVDS
LED on/off control Signal
LED_EN
Dimming control signal
Of LED BL
PWM
LED input Voltage
VLED
T
T
1
2
Valid Data
0V
T
5
0V (Off)
T
9
Valid Data
0V (Low)
T
8
90%
0V
10%
Table 6. POWER SEQUENCE TABLE
T
T
3
7
T
6
T
10
T
11
T
4
Value
Parameter
Units
Min. Typ. Max.
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
T
10
T
Note)
Note)
1. Valid Data is Data to meet “3-3. LVDS Signal Timing Specifications”
1. Valid Data is Data to meet “3-3. LVDS Signal Timing Specifications”
2. Please avoid floating state of interface signal at invalid period.
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.
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.
4. LED power must be turn on after power supply for LCD and interface signal are valid.
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0.5 - 10 ms
0-50 ms
0-50 ms
400 - - ms
200 - - ms
200 - - ms
3-10 ms
10 - - ms
10 - - ms
0-- ms
10 - - ms
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LP121WX3
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 25
at a viewing angle of
FIG. 1 presents additional information concerning the measurement equipment and method.
FIG. 1 Optical Characteristic Measurement Equipment and Method
qC. The values specified are at an approximate distance 50cm from the LCD surface
)
and 4equal to 0q.
Optical Stage(x,y)
LCD Module
Pritchard 880 or
equivalent
50cm
Table 7. OPTICAL CHARACTERISTICS
Ta=25qC, VCC=3.3V, fV=60Hz, f
Parameter Symbol
Contrast Ratio CR - 300 - 1
Surface Luminance, white L
Luminance Variation G
Response Time
Color Coordinates
RED RX
GREEN
BLUE
WHITE WX 0.283 0.313 0.343
Viewing Angle 5
x axis, right()=0q) 4r 40 - - degree
x axis, left ()=180q)
y axis, up ()=90q)
y axis, down ()=270q)
Gray Scale 6
WH
WHITE
TrR+ Tr
RY
GX
GY
BX
BY
WY 0.299 0.329 0.359
4l 40 - - degree
4u 10 - - degree
4d 30 - - degree
Min Typ Max
170 200 - cd/m
--1.6 3
D
0.562
0.321
0.304
0.519
0.124
0.100
Values
16 ms 4
0.592
0.351
0.334
0.549
0.154
0.130
0.622
0.381
0.364
0.579
0.184
0.160
= 69.3MHz, I
CLK
Units Notes
2
LED
= 20.0mA
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.
= Average(L1,L2, … L5)
L
WH
LP121WX3
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
L7
L15
L23
L31
L39
L47
L55
L63
0.22
2.77
8.65
16.4
25.4
39.3
57.2
77.9
100
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FIG. 2 Luminance
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LP121WX3
Liquid Crystal Display
Product Specification
<measuring point for surface luminance & measuring point for lu
H
A
L6
L7
C
L2
L3
B
V
L9
L1
Center Point
L4 L5
L11 L13
L12
minance variation>
D
L8
L10
H,V : ACTIVE AREA
A : H/4 mm
B : V/4 mm
C : 10 mm
D : 10 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
Tr
R
D
%
100
90
Optical
Response
10
0
white
white
black
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LP121WX3
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP121WX3. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
Horizontal 275.8 r 0.5mm
Outline Dimension
Bezel Area
Active Display Area
Weight 270g(Max)
Surface Treatment Anti-glare treatment of the front polarizer
Vertical 178.1 r 0.5mm
Thickness 5.5 (Max)
Horizontal 264.8 r 0.5mm
Vertical 166.6 r 0.5mm
Horizontal 261.12 r 0.3mm
Vertical 163.20 r 0.3mm
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LP121WX3
Liquid Crystal Display
Product Specification
<FRONT VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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LP121WX3
Liquid Crystal Display
Product Specification
<REAR VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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Product Specification
[ DETAIL DESCRIPTION OF SIDE MOUNTING SCREW ]
LP121WX3
Liquid Crystal Display
*Screw Torque (4 point): Max. 2Kgf.Cm
*Mounting SCREW Depth : 1.8mm max
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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Product Specification
LGD Proposal for system cover design.(Appendix)
LP121WX3
Liquid Crystal Display
1
Gap check for securing the enough gap between LCM
and System cover.
Define
Define
1.
Rear side of LCM is sensitive against external stress,and previous check
about interference is highly needed.
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..)
Check if antenna cable is sufficiently apart from T-CON of LCD Module.2
NO GOOD
GOOD
1.If system antenna is overlapped with T-CON,it might be cause the noise.
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Product Specification
LGD Proposal for system cover design.
LP121WX3
Liquid Crystal Display
3
Gap check for securing the enough gap between LCM
and System hinge.
Define
4
Define
1
.At least 2.0mm of gap needs to be secured to prevent the shock
related defects.
2.”L” type of hinge is recommended than “I” type under shock test.
Checking the path of the System wire.
Good
Ok
#4#5#6
Bad
#3
#2
#1
1.COF area needs to be handled with care.
2.GOOD ÎWire path design to system side.
OKÎ Wire path is located between COFs.
BADÎWire path overlapped with COF area.
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Product Specification
LGD Proposal for system cover design.
LP121WX3
Liquid Crystal Display
5
Define
Using a bracket on the top of LCM is not recommended.
bracket
With bracket Without bracket
1.Condition without bracket is good for mechanical noise,and can minimize
the light leakage from deformation of bracket.
2.The results shows that there is no difference between the condition
6
Define
with or without bracket.
Securing additional gap on CNT area..
System cover inner side.
User connector
area.
User connector
Cable pathway.
A
A~A-1
A-1
cut
FPC:Flexible Printed Circuit.
1.CNT area is specially sensitive against external stress,and additional
gap by cutting on system cover will be helpful on removing the Ripple.
2.Using a thinner CNT will be better. (eg: FPC type)
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Product Specification
6. Reliability
Environment test condition
No. Test Item Conditions
1 High temperature storage test Ta= 60qC, 240h
2 Low temperature storage test Ta= -20qC, 240h
3 High temperature operation test Ta= 50qC, 50%RH, 240h
4 Low temperature operation test Ta= 0qC, 240h
5 Vibration test (non-operating) Sine wave, 10 ~ 500 ~ 10Hz, 1.5G, 0.37oct/min
3 axis, 1hour/axis
LP121WX3
Liquid Crystal Display
6 Shock test (non-operating) Half sine wave, 180G, 2ms
one shock of each six faces(I.e. run 180G, 2ms
for all six faces)
7 Altitude operating
storage / shipment
{ 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.
0 ~ 10,000 feet (3,048m) 24Hr
0 ~ 40,000 feet (12,192m) 24Hr
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7. International Standards
7-1. Safety
a) UL 60950-1:2003, First Edition, Underwriters Laboratories, Inc.,
Standard for Safety of Information Technology Equipment.
b) CAN/CSA C22.2, No. 60950-1-03 1
Standard for Safety of Information Technology Equipment.
c) EN 60950-1:2001, First Edition,
European Committee for Electrotechnical Standardization(CENELEC)
European Standard for Safety of Information Technology Equipment.
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Liquid Crystal Display
Product Specification
st
Ed. April 1, 2003, Canadian Standards Association,
LP121WX3
7-2. EMC
a) ANSI C63.4 “Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and
Electrical Equipment in the Range of 9kHZ to 40GHz. “American National Standards Institute(ANSI),
1992
b) C.I.S.P.R “Limits and Methods o
Technology Equipment.“ International Special Committee on Radio Interference.
c) EN 55022 “Limits and Methods of Measurement of Rad
Technology Equipment.“ European Committee for Electrotechnical Standardization.(CENELEC), 1998
( Including A1: 2000 )
f Measurement of Radio Interface Characteristics of Information
io Interface Characteristics of Information
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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.
Note
1. YEAR
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LP121WX3
Liquid Crystal Display
Product Specification
Year
Mark
321
200452005
4
200320022001
2006720078200892009
6
2. MONTH
Month
Mark
Apr5May
4
Jun
6
Jul
7
Aug9Sep
8
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 : 30 pcs
b) Box Size : 480mm Ý 348mm Ý 243mm
2010
0
Oct
A
Nov
B
DecMarFebJan
C321
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LP121WX3
Liquid Crystal Display
Product Specification
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 shou
force is not transmitted directly to the module.
(3) Please attach the surface transparent protective plate to the su
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
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
deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
ld have sufficient strength so that external
rface in order to protect the polarizer.
absorbent cotton or other soft materials like
. Their long time contact with polarizer causes
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
electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time
(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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, remnant image is likely to occur.
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LP121WX3
Liquid Crystal Display
Product Specification
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.
(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 s
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.
tored for a long time, sometimes there remains a
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Liquid Crystal Display
Product Specification
APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 1/3
Byte
Establ
Byte
(Dec)
(Hex)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Version
15
16
17
Vendor / Product EDID
Display
Panel Color Coordinates
ished
Standard Timing ID Header
18
19
20
21
22
23
Parameters
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Timin
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Header
00
Header
01
Header
02
Header
03
Header
04
Header
05
Header
06
Header
07
EISA manu fact u re co de ( 3 Ch arac ter ID ) LGD
08
EISA manufacture code (Compressed ASCซ)
09
Panel Supplier Reserved - Product Code 01FAh
0A
( Hex. LSB first )
0B
LCD Module Serial No - Preferred but Optional ("0" If not used)
0C
LCD Module Serial No - Preferred but Optional ("0" If not used)
0D
LCD Module Serial No - Preferred but Optional ("0" If not used)
0E
LCD Module Serial No - Preferred but Optional ("0" If not used)
0F
W eek o f Ma n u fact u re 00 w eeks
10
Year of M a n u fac ture 2009 y ears
11
EDID structure version # = 1
12
EDID revision # = 3
13
Video input Definition = Digital signal
14
Max H image size (Rounded cm) = 26 cm
15
Max V image size (Rounded cm) = 16 cm
16
Dis play g amma = (g amma * 100)-100 = Example:(2.2*100)-100= 120 = 2.2 Gamma
17
Feature Support (no_DPMS, no_Active Off/Very Low Power, RGB color display, Timing BLK 1,no_ GTF)
18
Red/Green Low Bits (RxRy/GxGy)
19
Blue/White Low Bits (BxBy/WxWy)
1A
Red X Rx = 0.592
1B
Red Y Ry = 0.351
1C
Gre e n X Gx = 0. 334
1D
Gre e n Y Gy = 0.549
1E
Blue X Bx = 0.154
1F
Blue Y By = 0.130
20
White X Wx = 0.313
21
W hite Y W y = 0.329
22
Establis hed timing 1 (00h if not used)
23
Establis hed timing 2 (00h if not used)
24
Manufacturer's timings (00h if not used)
25
Standard timing ID1 (01h if not used)
26
Standard timing ID1 (01h if not used)
27
Standard timing ID2 (01h if not used)
28
Standard timing ID2 (01h if not used)
29
Standard timing ID3 (01h if not used)
2A
Standard timing ID3 (01h if not used)
2B
Standard timing ID4 (01h if not used)
2C
Standard timing ID4 (01h if not used)
2D
Standard timing ID5 (01h if not used)
2E
Standard timing ID5 (01h if not used)
2F
Standard timing ID6 (01h if not used)
30
Standard timing ID6 (01h if not used)
31
Standard timing ID7 (01h if not used)
32
Standard timing ID7 (01h if not used)
33
Standard timing ID8 (01h if not used)
34
Standard timing ID8 (01h if not used)
35
Field Name and Comments
Value
(Hex)
00
FF
FF
FF
FF
FF
FF
00
30
E4
FA
01
00
00
00
00
00
13
01
03
80
1A
10
78
0A
BA
95
97
59
55
8C
27
21
50
54
00
00
00
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
LP121WX3
Value
(Bi n)
00000000
11111111
11111111
11111111
11111111
11111111
11111111
00000000
00110000
11100100
11111010
00000001
00000000
00000000
00000000
00000000
00000000
00010011
00000001
00000011
10000000
00011010
00010000
01111000
00001010
10111010
10010101
10010111
01011001
01010101
10001100
00100111
00100001
01010000
01010100
00000000
00000000
00000000
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
00000001
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Liquid Crystal Display
Product Specification
APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 2/3
Byte
Byte
(Dec)
(Hex)
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
Timing Descripto r #3 Timing Descriptor #1Timing Descriptor #2
103
104
105
106
107
Pixel Cloc k/ 10,000 (LS B) 69.3 M Hz @ 60H z
36
Pixel Cloc k/ 10,000 (M SB)
37
Ho rizonta l A c tiv e (lo wer 8 b its) 1280 Pixels
38
Ho rizonta l Blan king(Th p-HA ) (low er 8 bits ) 128 Pixels
39
Horizontal Active / Horizontal Blanking(Thp-HA) (upper 4:4bits)
3A
Vertic al A v tiv e 8 00 Lin e s
3B
Vertic al Blan kin g (Tvp-HA ) (DE Blan kin g ty p.fo r DE o nly p ane ls) 20 Lin es
3C
Vertical Active : Vertical Blanking (Tvp-HA) (upper 4:4bits)
3D
Ho rizonta l Sy n c . Offs et (T hfp) 24 Pixels
3E
Ho rizonta l Sy n c Pu ls e W idth (HSPW ) 3 2 Pixels
3F
Vertic al Sy n c O ffs et(T v fp ) : Sy n c W idth (VSPW ) 4 Lin e s : 4 Line s
40
Horizontal Vertical Sync Offset/Width (upper 2bits)
41
Ho rizonta l Imag e Size (mm) 261 mm
42
Vertic al Imag e Size (mm) 163 mm
43
Ho rizon tal Imag e S ize / Vertica l Imag e Size
44
Horizontal Border = 0 (Zero for Notebook LCD)
45
Vertical Border = 0 (Zero for Notebook LCD)
46
Non-Interlace, Normal display, no stereo, Digital Separate ( Vsync_NEG, Hsync_NEG )
47
Flag
48
Flag
49
Flag
4A
Data Type Tag (Descriptor Defined by manufacturer )
4B
Flag
4C
Descriptor Defined by manufacturer
4D
Descriptor Defined by manufacturer
4E
Descriptor Defined by manufacturer
4F
Descriptor Defined by manufacturer
50
Descriptor Defined by manufacturer
51
Descriptor Defined by manufacturer
52
Descriptor Defined by manufacturer
53
Descriptor Defined by manufacturer
54
Descriptor Defined by manufacturer
55
Descriptor Defined by manufacturer
56
Descriptor Defined by manufacturer
57
Descriptor Defined by manufacturer
58
Descriptor Defined by manufacturer
59
Flag
5A
Flag
5B
Flag
5C
Data Type Tag ( ASCII String )
5D
Flag
5E
A SCII St ring L
5F
A SCII St ring G
60
A SCII St ring
61
A SCII St ring D
62
A SCII St ring i
63
A SCII St ring s
64
A SCII St ring p
65
A SCII St ring l
66
A SCII St ring a
67
A SCII St ring y
68
M an ufac tu rer P/N (If<13 char--> 0A h, then terminat e w ith A SC
69
M an ufac tu rer P/N (If<13 char--> 0A h, then terminat e w ith A SC
6A
M an ufac tu rer P/N (If<13 char--> 0A h, then terminat e w ith A SC
6B
Field Name and Comments
ซ
ซ
ซ
Value
(Hex)
12
1B
00
80
50
20
14
30
18
20
44
00
05
A3
10
00
00
18
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
FE
00
4C
47
20
44
69
73
70
6C
61
79
0A
20
20
LP121WX3
Value
(Bi n)
00010010
00011011
00000000
10000000
01010000
00100000
00010100
00110000
00011000
00100000
01000100
00000000
00000101
10100011
00010000
00000000
00000000
00011000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
11111110
00000000
01001100
01000111
00100000
01000100
01101001
01110011
01110000
01101100
01100001
01111001
00001010
00100000
00100000
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Liquid Crystal Display
Product Specification
APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 3/3
Byte
Timing Descriptor #4Checksum
(Dec)
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
Byte
(Hex)
Flag
6C
Flag
6D
Flag
6E
Data Type Tag ( ASCII String )
6F
Flag
70
ASCII String L
71
ASCII String P
72
ASCII String 1
73
ASCII String 2
74
ASCII String 1
75
ASCII String W
76
ASCII String X
77
ASCII String 3
78
ASCII String -
79
ASCII String T
7A
ASCII String L
7B
ASCII String B
7C
ASCII String 1
7D
Field Name and Comments
Value
(Hex)
00
00
00
FE
00
4C
50
31
32
31
57
58
33
2D
54
4C
42
31
LP121WX3
Value
(Bin)
00000000
00000000
00000000
11111110
00000000
01001100
01010000
00110001
00110010
00110001
01010111
01011000
00110011
00101101
01010100
01001100
01000010
00110001
126
127
Extension flag (# of optional 128 panel ID extension block to follow, Typ = 0)
7E
Check Sum (The 1-byte sum of all 128 bytes in this panel ID block shall = 0)
7F
00
CA
00000000
11001010
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