LMT121EAGFWA-NND-1
LCD Module User Manual
Prepared by:
Checked by:
Approved by:
Chenzhonghua
Date: 2024-02-23
Date:
Date:
Rev.
Descriptions
Edit
Release Date
0.1
Preliminary release
Chenzhonghua 2024-02-23
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 1 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Table of Content
1. General Specifications................................................................................................................... 3
2. Input/Output Terminals................................................................................................................... 4
2.1 TFT LCD Panel (CN1)...........................................................................................................4
2.2 Backlight (CN2)......................................................................................................................5
2.3 K1 Capacitive Touch Panel Terminal(USB TYPE-C)............................................................ 6
3. Absolute Maximum Ratings........................................................................................................... 7
4. Electrical Characteristics................................................................................................................8
4.1 Driving TFT LCD Panel..........................................................................................................8
4.2 Driving Backlight....................................................................................................................8
4.3 CTP recommended Operating Condition..............................................................................9
4.4 Block Diagram..................................................................................................................... 10
5. Timing Chart................................................................................................................................. 11
5.1 Timing Characteristics......................................................................................................... 11
5.2 Input signal timing chart.......................................................................................................11
5.3 LVDS data input format....................................................................................................... 12
5.4 LVDS Rx AC SPEC..............................................................................................................13
5.5 Display Colors and Input Data Signals............................................................................... 15
5.5.1 16,777,216colors......................................................................................................15
5.5.2 262,144colors...........................................................................................................16
5.6 Display Positions................................................................................................................. 16
5.7 Scanning Direction.............................................................................................................. 17
5.8 POWER SUPPLY VOLTAGE SEQUENCE.........................................................................17
5.8.1 LCD panel signal processing board.........................................................................17
5.8.2 LED Driver................................................................................................................18
6. Optical Characteristics................................................................................................................. 19
6.1 Optical Specification............................................................................................................19
7. Environmental / Reliability Test.................................................................................................... 23
8. Precautions for Use of LCD Modules...........................................................................................24
8.1 Handling Precautions.......................................................................................................... 24
8.2 Storage Precautions............................................................................................................24
8.3 Transportation Precautions................................................................................................. 24
9. LCD Module Design and Handling Precautions.......................................................................... 25
10. CTP Mounting Instructions......................................................................................................... 26
11. Warranty......................................................................................................................................28
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 2 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
1. General Specifications
Feature
Spec
Size
12.1 inch
Resolution
1024(RGB) x 768
Technology Type
SFT
Pixel Configuration
R.G.B. Vertical Stripe
Display Spec.
Pixel Pitch (mm)
0.240 (H) 0.240 (V)
Display Mode
Transmissive, Normally Black
Surface Treatment(Up Polarizer)
HC
Viewing Direction
All direction
LCM (W x H x D) (mm)
288.2x226.2x17.9
Active Area(mm)
245.76*184.32
Mechanical
Characteristics With /Without TSP
With Capacitive Touch Panel
Matching Connection Type
FI-SEB20P-HFE
Electrical
Interface
1port LVDS 8bit / 6-bit
Characteristics Color Depth
16.7M&262K
Note 1:Viewing direction for best image quality is different from TFT definition, there is a 180 degree
shift.
Note 2 : Requirements on Environmental Protection: Q/S0002
Note 3: LCM weight tolerance: +/-5%
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 3 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
2. Input/Output Terminals
2.1 TFT LCD Panel (CN1)
Connector type: JAE FI-SEB20P-HFE
Input data signal: 8-bit
Pin No. Symbol
Signal
Input data
Remark
MAP A
MAP B
signal: 6-bit
s
A
D3+
Pixel data
R0-R1,G0-G1,B0-B R6-R7,G6-G7,B6-B
-
1
1
7
B
GND
Ground
-
Ground
A
D3-
Pixel data
R0-R1,G0-G1,B0-B R6-R7,G6-G7,B6-B
-
2
1
7
B
GND
Ground
-
Ground
3
DPS
Selection
High :
Normal scan
of scan direction
Low or Open :
Reverse scan
4
FRC
Selection of the
number of colors
High
Low or Open
5
GND
Ground
Ground
6
CLK+
Pixel clock
Pixel clock
7
CLK-
8
GND
Ground
Ground
9
D2+
Pixel data
B4-B7,DE
B2-B5,DE
10
D2-
11
GND
Ground
Ground
12
D1+
Pixel data
G3-G7,B2-B3
G1-G5,B0-B1
13
D1-
14
GND
Ground
Ground
15
D0+
Pixel data
R2-R7,G2
R0-R5,G0
16
D0-
17
GND
Ground
Ground
18
MSL
Selection of
LVDS input map
Low(Note1)
High or Open
Low(Note2)
19
VCC
Power supply
Power supply
20
VCC
Note1: FRC is high
Note2: FRC is low
Note3: Detail can refer to Page 12~13
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 4 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
2.2 Backlight (CN2)
Connector type: SM10B-SHLS-TF(LF)
No
Symbol
I/O
Description
Remarks
1
Vi
P
Converter input voltage
2
Vi
P
Converter input voltage
3
Vi
P
Converter input voltage
4
Vi
P
Converter input voltage
5
V GND
P
Converter ground
6
V GND
P
Converter ground
7
V GND
P
Converter ground
8
V GND
P
Converter ground
9
EN
I
Enable pin
Default L(Note1)
10
PWM
I
Backlight Adjust
Default H(Note2)
I/O definition:
I----Input O----Output I/O----Input/Output P----Power/Ground N—No Connect
Note1 : The circuit diagram of PWM on LCM is as follows
Note2 : The circuit diagram of EN on LCM is as follows
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 5 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
2.3 K1 Capacitive Touch Panel Terminal(USB TYPE-C)
Pin No.
Pin Name
IO
Descriptions
A1/B12 GND
Power Power Supply GND (0V)
A4/B9 VBUS
Power Positive Power Supply(5.0V)
A5
NC
-
No connection
B8
NC
-
No connection
B7
D-
I/O
USB D- Signal
A6
D+
I/O
USB D+ Signal
B6
D+
I/O
USB D+ Signal
A7
D-
I/O
USB D- Signal
B5
NC
-
No connection
A8
NC
-
No connection
B4/A9 VBUS
Power Positive Power Supply(5.0V)
A12/B1 GND
Power Power Supply GND (0V)
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 6 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
3. Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Remarks
LCD panel signal processing
VCC
-0.5 to +5.0
Power supply
board
voltage
V
LED driver
V i
9V to 28V
Low level
Logic Input
VIL
0 to 0.3VCC
Ta=25 C
Voltage
V
Input voltage
High level
ViH
0.7VCC to VCC
for signals
PWM
TBD to +(5.5)
LED driver
V
EN
TBD to(12)
Inrush current
Irush
-
A
Storage temperature
Tst
-40 to +90
C
-
Front surface
TopF
-30 to +80
C
Note1
Operating temperature
Rear surface
TopR
-30 to +80
C
Note2
95
%
Ta 40 C
85
%
40 C < Ta 50 C
Relative humidity
55
%
50 C < Ta 60 C
Note4
RH
36
%
60 < Ta 70 C
24
%
70 < Ta 80 C
Absolute humidity
70
Note3
AH
g/m 3
Note4
Ta = 80 C
Note1: Measured at LCD panel surface (including self-heat)
Note2: Measured at LCD module's rear shield surface (including self-heat)
Note3: No condensation
Note4: Water amount at Ta= 80°C and RH= 24%
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 7 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
4. Electrical Characteristics
4.1 Driving TFT LCD Panel
(Ta= 25 C)
Parameter
Symbol
min.
typ.
max.
Unit
Remarks
Power supply voltage
VCC
(3.2)
3.3
(3.4)
V
-
Power supply current
ICC
-
(TBD)
(TBD)
Note1
Note2
mA
at VCC= 3.3V
Permissible ripple voltage
VRPC
-
-
100
mVp-p
for VCC
High
VTH
-
-
(+100)
Differential input threshold
at VCM= 1.2 V
voltage
mV
Note3
Low
VTL
(-100)
-
-
Input voltage for
High
VFH1
(0.7VCC)
-
(VCC)
DPS,FRC and MSL signal
V
CMOS level
Low
VFL1
0
-
0.3VCC
Input current for
High
IFH1
-
-
(-300)
DPS,FRC and MSL signal
A
-
Low
IFH1
(-300)
-
-
Note1:
Checkered flag pattern [by IEC 61747-6]
Note2:
Pattern for maximum current
Note3:
Common mode voltage for LVDS receiver
4.2 Driving Backlight
(Ta= 25 C)
Parameter
Symbol
min.
typ.
max.
Unit
Remarks
Power supply voltage
V i
(11.2)
12.0
(12.8)
V
Note1
Power supply current
192
(TBD)
Note2
Ii
-
(TBD)
Note3
mA
Note4
Permissible ripple voltage
VRPD
-
-
200
mVp-p
for VDD
High
VDFH1
(1.2)
-
(5.5)
V
Input voltage for
PWM signal
-
Low
VDFL1
0
-
(0.35)
V
High
VDFH2
5
(12)
12.5
V
Input voltage for
EN signal
-
Low
VDFL2
0
(0.8)
V
PWM frequency
f PWM
( 200 )
-
( 10K )
Hz
Note5, Note6
PWM duty ratio
DR PWM
( 5% )
-
( 100 )
%
Note7
PWM pulse width
tPWH
TBD
-
-
s
LED Life Time
LT
-
50000
-
Hrs
Note8
Note1:When designing of the power supply, take the measures for the prevention of surge
voltage.
Note2:The power supply lines (Viand GND) may have ripple voltage during luminance control of
LED. There is the possibility that the ripple voltage produces acoustic noise and signal
wave noise in audio circuit and so on. Put a capacitor between the power supply
lines (Viand GND) to reduce the noise if necessary.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 8 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Note3:This value excludes peak current such as overshoot current.
Note4:At the maximum luminance control
Note5:A recommended f PWM value is as follows.
Note6:Depending on the frequency used, some noise may appear on the screen,
Please Conduct a thorough evaluation.
Note7:The recommended PWM frequency is 200Hz to 10kHz, but the LED current cannot be
100% proportional to duty cycle, especially for high frequency and low duty ratio.
While the EN signal is high, do not set the tPWH (PWM pulse width) is less than 0.1us.
It may cause abnormal working of the backlight. In this case, turn the backlight off and
then on again by EN signal.
Note8: Optical performance should be evaluated at Ta=25 ℃ only.
If LED is driven by high current, high ambient temperature & humidity condition.
he life time of LED will be reduced.
Operating life means brightness goes down to 50% of initial brightness.
Typical operating life time is estimated data.
4.3 CTP recommended Operating Condition
Parameter
Symbol
min.
typ.
max.
Unit
Remarks
Power supply voltage
VBUS
4.5
5.0
5.5
V
Power supply current
I_ VBUS
-
100
-
mA
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 9 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
4.4 Block Diagram
Note1:GND (Signal ground)is connected to FG (Frame ground) in the LCD module
Note2:GND and FG must be connected to customer equipment’s ground, and it is
recommended that these grounds to be connected together in customer equipment.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 10 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5. Timing Chart
5.1 Timing Characteristics
Parameter
Symbol
min.
typ.
max.
Unit
Remarks
CLK
Frequency
1/tc
(50.34) 50.66 (65.34) MHz
19.739ns (typ.)
-
21.477
-
s
Cycle
th
46.561 kHz
Horizontal
(typ.)
1084
1,088
1214
CLK
DE
Display period
thd
1024
CLK
-
Vertical
-
16.666
-
ms
Cycle
tv
60.0Hz (typ.)
(One
774
776
897
H
frame)
Display period
tvd
768
H
-
Note1:Definition of parameters is as follows.
tc= 1CLK, th= 1H
Note2:See the data sheet of LVDS transmitter.
Note3:Vertical cycle (tv) should be specified in integral multiple of Horizontal cycle (th).
5.2 Input signal timing chart
Note1:DATA = R0-R7, G0-G7, B0-B7
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 11 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5.3 LVDS data input format
Input data signal: 8-bit
Note1:LSB (Least Significant Bit) – R0, G0, B0 ; MSB (Most Significant Bit) – R7, G7, B7
Note2:Twist pair wires with 100R(Characteristic impedance) should be used between
LCD panel signal processing board and LVDS transmitter.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 12 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Input data signal: 6-bit
Note1:LSB (Least Significant Bit) – R0, G0, B0 MSB (Most Significant Bit) – R7, G7, B7
Note2:Twist pair wires with 100R(Characteristic impedance) should be used between
LCD panel signal processing board and LVDS transmitter.
5.4 LVDS Rx AC SPEC
Parameter
Symbol
Min.
Typ.
Max. Unit
Condition
Clock
frequency
RXFCLK
10
-
110
MHz
1 data bit time
UI
1/7
1/RXFCLK
Position 1
Rspos1
-0.2
0
0.2
UI
Position 2
Rspos2
0.8
1
1.2
UI
Position 3
Rspos3
1.8
2
2.2
UI
Position 4
Rspos4
2.8
3
3.2
UI
Position 5
Rspos5
8
4
4.2
UI
Position 6
Rspos6
4.8
5
5.2
UI
Position 7
Rspos7
5.8
6
6.2
UI
Input data skew
|VID|=100mV
margin
TRSKM
-
-
0.2
UI
RXVCM=1.2V
RXFCLK=75MHz
Clock high time TLVCH
-
4/(7*RXFCLK)
-
ns
Clock low time
TLVCL
-
3/(7*RXFCLK)
-
ns
PLL wake-up
time
TenPLL
-
-
150
us
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 13 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Ideal TX Pulse Position
Ideal TX Pulse Position
TRSKM: Receiver strobe margin
Tsw : Strobe width ( internal data
sampling window )
VTH=Rxvcm+|VID|/2, VTL=Rxvcm-|VID|/2
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 14 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5.5 Display Colors and Input Data Signals
5.5.1 16,777,216colors
This product can display equivalent of 16,777,216colors with 256 gray scales(FRC:High).
Also the relation between display colors and input data signals is as follows.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 15 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5.5.2 262,144colors
This product can display equivalent of 262,144colors with 64gray scales(FRC:Low).
Also the relation between display colors and input data signals is as follows.
5.6 Display Positions
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 16 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5.7 Scanning Direction
The following figures are seen from a front view.
Figure1. Normal scan (DPS:High)
Figure2. Reverse scan (DPS:Low)
5.8 POWER SUPPLY VOLTAGE SEQUENCE
5.8.1 LCD panel signal processing board
* These signals should be measured at the terminal of 100R resistance.
Note1:If there is a voltage variation (voltage drop) at the rising edge of VCC below 3.0V,
there is a possibility that a product does not work due to a protection circuit.
Note2:Display signals (D0+/-, D1+/-, D2+/- and CLK+/-) and function signals (DPS) must
be set to Low or High-impedance, except the VALID period (See above sequence
diagram), in order to avoid the circuitry damage.
If some of display and function signals of this product are cut while this product is
working, even if the signal input to it once again, it might not work normally. If a
customer stops the display and function signals, VCC also must be shut down.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 17 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
5.8.2 LED Driver
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 18 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
6. Optical Characteristics
6.1 Optical Specification
Ta=25 ℃
Item
Symbol Condition
Min
Typ
Max
Unit
Remark
θT
70
88
-
View Angles
θB
CR ≧ 10
70
88
-
Degree
Note 2
θL
70
88
-
θR
70
88
-
Contrast Ratio
CR
θ=0°
800
1000
-
-
Note1
Note3
Response Time
T ON
Note1
T OFF
25 ℃
-
25
35
ms
Note4
x
TBD
White
y
TBD
x
TBD
Red
Chromaticity
y
Backlight is on
TBD
-
Note5
Note1
Gree
x
TBD
n
y
TBD
x
TBD
Blue
y
TBD
Uniformity
U
-
75
80
-
%
Note1
Note6
NTSC
-
-
65
72
-
%
Note5
Luminance
L
-
-
500
-
cd/m 2
Note1
Test Conditions:
1. The ambient temperature is 25±2 ℃ .humidity is 65±7%
2. The test systems refer to Note 1 and Note 2.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 19 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Note 1:Definition of optical measurement system.
The optical characteristics should be measured in dark room. After 5minutes operation, the optical
properties are measured at the center point of the LCD screen. All input terminals LCD panel must
be ground when measuring the center area of the panel.
Note 2: Definition of viewing angle range and measurement system.
viewing angle is measured at the center point of the LCD by CONOSCOPE(ergo-80) 。
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 20 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Note 3: Definition of contrast ratio
“ White state “:The state is that the LCD should driven by Vwhite.
“Black state”: The state is that the LCD should driven by Vblack.
Vwhite: To be determined Vblack: To be determined.
Note 4: Definition of Response time
The response time is defined as the LCD optical switching time interval between “White” state and
“Black” state. Rise time (TON) is the time between photo detector output intensity changed from
90% to 10%. And fall time (TOFF) is the time between photo detector output intensity changed from
10% to 90%.
Note 5: Definition of color chromaticity (CIE1931)
Color coordinates measured at center point of LCD.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 21 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
Note 6: Definition of Luminance Uniformity
Active area is divided into 9 measuring areas (Refer Fig. 2). Every measuring point is placed at the
center of each measuring area.
Luminance Uniformity(U) = Lmin/ Lmax
L-------Active area length W-----Active area width
Fig. 2 Definition of uniformity
Lmax: The measured maximum luminance of all measurement position.
Lmin: The measured minimum luminance of all measurement position.
Note 7: Definition of Luminance
Measure the luminance of white state at center point.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 22 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
7. Environmental / Reliability Test
No
Test Item
Condition
Remark
1
High Temperature
IEC60068-2-1
Operation
Ta= +80 ℃ ,240hours
GB2423.2
2
Low Temperature
IEC60068-2-1
Operation
Ta = -30 ℃ , 240 hours
GB2423.1
3
High Temperature Storage Ta = +90 ℃ , 240 hours
IEC60068-2-1
GB2423.2
4
Low Temperature Storage Ta = -40 ℃ , 240 hours
IEC60068-2-1
GB2423.1
5
High Temperature & High
Ta = +60 ℃ , 90% RH max,240 IEC60068-2-78
Humidity Operation
hours
GB/T2423.3
Start with cold temperature,
6
ThermalShock
-30 ℃ 30 min~+80 ℃ 30 min,
(non-operation)
End with high temperature,
Change time:5min, 100 Cycle
IEC60068-2-14,GB2423.22
C=150pF,R=330Ω,9point/pan
el
Air:±15Kv,5times;
7
ESD
IEC61000-4-2
Contact:±8Kv,5times
GB/T17626.2
(Environment:15 ℃ ~35 ℃ ,
30%~60%.86Kpa~106Kpa)
5~100HZ , 19.60m/s2
8
Vibration Test(Non Op)
IEC60068-2-6
1min/cycle 120times Per
GB/T17626.6
X\Y\Z
539m/s2, 11ms
9
Mechanical Shock (Non
IEC60068-2-27
Op)
5times ± X 、± Y 、± Z
GB/T2423.5
Note1: Ts is the temperature of panel’s surface.
Note2: Ta is the ambient temperature of sample.
Note3: Before cosmetic and function test, the product must have enough recovery time, at least 2
hours at room temperature.
Note 4: In the standard condition, there shall be no practical problem that may affect the display
function. After the reliability test, the product only guarantees operation, but don’t guarantee all of
the cosmetic specification.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 23 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
8. Precautions for Use of LCD Modules
8.1 Handling Precautions
8.1.1 The display panel is made of glass. Do not subject it to a mechanical shock by dropping
it from a high place, etc.
8.1.2 If the display panel is damaged and the liquid crystal substance inside it leaks out, be
sure not to get any in your mouth, if the substance comes into contact with your skin or
clothes, promptly wash it off using soap and water.
8.1.3 Do not apply excessive force to the display surface or the adjoining areas since this may
cause the color tone to vary.
8.1.4 The polarizer covering the display surface of the LCD module is soft and easily
scratched. Handle this polarizer carefully.
8.1.5 If the display surface is contaminated, breathe on the surface and gently wipe it with a
soft dry cloth. If still not completely clear, moisten cloth with one of the following solvents:
- Isopropyl alcohol
- Ethyl alcohol
Solvents other than those mentioned above may damage the polarizer. Especially, do
not use the following:
- Water
- Ketone
- Aromatic solvents
8.1.6 Do not attempt to disassemble the LCD Module.
8.1.7 If the logic circuit power is off, do not apply the input signals.
8.1.8 To prevent destruction of the elements by static electricity, be careful to maintainan
optimum work environment.
8.1.8.1 Be sure to ground the body when handling the LCD Modules.
8.1.8.2 Tools required for assembly, such as soldering irons, must be properly ground.
8.1.8.3 To reduce the amount of static electricity generated, do not conduct assembly and
other work under dry conditions.
8.1.8.4 The LCD Module is coated with a film to protect the display surface. Be care when
peeling off this protective film since static electricity may be generated.
8.2 Storage Precautions
8.2.1 When storing the LCD modules, avoid exposure to direct sunlight or to the light of
fluorescent lamps.
8.2.2 The LCD modules should be stored under the storage temperature range. If the LCD
modules will be stored for a long time, the recommend condition is:
Temperature : 0 ℃ ~ 40 ℃
Relatively humidity: ≤80%
8.2.3 The LCD modules should be stored in the room without acid, alkali and harmful gas.
8.3 Transportation Precautions
The LCD modules should be no falling and violent shocking during transportation, and also
should avoid excessive press, water, damp and sunshine.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 24 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
9. LCD Module Design and Handling
9. 液晶显示模块设计和使用须知
Precautions
- Please ensure V0, VCOM is adjustable, to enable LCD module get the best - 请注意 V0, VCOM 的设定, 以确保液晶显示
contrast ratio under different temperatures, view angles and positions.
模块在不同的使用温度下以及在不同的视角
和位置观察模块显示 , 均能达到最佳对比度 ,
请务必将应用电路上设置为对比度可调 。
- Normally display quality should be judged under the best contrast ratio within - 请注意液晶显示模块的显示品质判定是指在
viewable area. Unexpected display pattern may com out under abnormal
正常对比度下以及视窗(V.A)范围内进行的 ,
contrast ratio.
非正常对比度下液晶可能会出现非预期的显
示不良 , 应注意区分 。
- Never operate the LCD module exceed the absolute maximum ratings.
- 请勿在最大额定值以外使用液晶显示模块
- Never apply signal to the LCD module without power supply.
- 请勿在没有接通电源的条件下 给液晶显示
模块输送信号 。
- Keep signal line as short as possible to reduce external noise interference.
- 请尽可能缩短信号线的连接 以避免对液晶
显示模块的信号干扰 。
- IC chip (e.g. TAB or COG) is sensitive to light. Strong light might cause - 集成电路因 IC 芯片(如 TAB COG)对紫外线
malfunction. Light sealing structure casing is recommended.
极为敏感 , 强光环境下可能会引起液晶显示
模块功能失效 , 故应采用不透光的外壳 。
- Make sure there is enough space (with cushion) between case and LCD panel, - 请在液晶显示模块与外壳之间保留足够的空
to prevent external force passed on to the panel; otherwise that may cause
间(可使用衬垫) , 以缓冲外力对液晶显示模
damage to the LCD and degrade its display result.
块的损坏或因受力不均而产生的显示不匀等
异常现象 。
- Avoid showing a display pattern on screen for a long time (continuous ON - 避免液晶显示屏在某一画面下长时间点亮
segment).
否则有出现残影的风险 ; 请通过软件每隔一
段时间改变一次画面 。
- LCD module reliability may be reduced by temperature shock.
- 液晶显示模块的可靠性可能因温度冲击而降
低 。
- When storing and operating LCD module, avoids exposure to direct sunlight, - 请勿在阳光直射 高湿 高温或低温下储存
high humidity, high or low temperature. They may damage or degrade the LCD
和使用液晶显示模块 , 这将造成液晶显示模
module.
块的损坏或失效 。
- Never leave LCD module in extreme condition (max./min storage/operate - 请勿在极限环境(最大/最小存储/工作温度)
temperature) for more than 48hr.
下使用或放置液晶显示模块超过 48 小时以
上 。
- Recommend LCD module storage conditions is 0 C~40 C <80%RH.
- 液晶显示模块建议存储条件为: 0 C~40 C
<80%RH
- LCD module should be stored in the room without acid, alkali and harmful gas.
- 请勿让液晶显示模块存储于带有 酸性,
性, 有害气体环境之中 。
- Avoid dropping & violent shocking during transportation, and no excessive - 在运输过程中, 请勿让液晶显示模块跌落与
pressure press, moisture and sunlight.
猛烈震动, 同时避免 异常挤压, 高湿度,
与阳光照射.
- LCD module can be easily damaged by static electricity. Please maintain an - 液晶显示模块极易受静电损坏 请务必保证
optimum anti-static working environment to protect the LCD module. (eg. ground
液晶显示模块在防静电的工作环境中使用或
the soldering irons properly)
保存 。 (如: 烙铁正确接地,等)
- Be sure to ground the body when handling LCD module.
- 拿取液晶显示模块时需注意操作人员的接地
情况 。
- Only hold LCD module by its sides. Never hold LCD module by applying force - 请手持液晶显示模块的边沿取放模块 防止
on the heat seal or TAB.
热压纸或 TAB 部位受力 。
- When soldering, control the temperature and duration avoid damaging the - 焊接液晶模块时 请注意控制烙铁的温度
backlight guide or diffuser which might degrade the display result such as
焊接时间 , 以免烫坏导光板或偏光片 , 导致
uneven display.
显示不匀等不良现象发生 。
- Never let LCD module contact with corrosive liquids, which might cause damage - 请勿使用洗板水等腐蚀性液体接触液晶模
to the backlight guide or the electric circuit of LCD module.
块 , 以免腐蚀导光板或模块电路 。
- Only clean LCD with a soft dry cloth, Isopropyl Alcohol or Ethyl Alcohol. Other - 仅可使用柔软的干布, 异丙醇或乙醇清洁液
solvents (e.g. water) may damage the LCD.
晶屏表面 , 其他任何溶剂(如:水)都有可能损
坏液晶模块 。
- Never add force to components of LCD module. It may cause invisible damage - 请勿挤压液晶显示模块上的元器件 以避免
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 25 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
or degrade the module's reliability.
产生潜在的损坏或失效而影响产品可靠性 。
- When mounting LCD module, please make sure it is free from twisting, warping - 装配液晶显示模块时 请务必注意避免液晶
and bending.
显示模块的扭曲或变形 。
- Do not add excessive force on surface of LCD, which may cause the display - 请勿挤压液晶显示屏表面 这将导致显示颜
color change abnormally.
色的异常 。
- LCD panel is made with glass. Any mechanical shock (e.g. dropping from high - 液晶屏由玻璃制作而成 任何机械碰撞(如从
place) will damage the LCD module.
高处跌落)均有可能损坏液晶显示模块 。
- Protective film is attached on LCD screen. Be careful when peeling off this - 液晶屏表面带有保护膜, 揭除保护膜时需要
protective film, since static electricity may be generated.
注意可能产生的静电 。
- Polarizer on LCD gets scratched easily. If possible, do not remove LCD - 因液晶显示屏表面的偏光片极易划伤 安装
protective film until the last step of installation.
完成之前请尽量不要揭下保护膜 。
- When peeling off protective film from LCD, static charge may cause abnormal - 请缓慢揭除保护膜 在此过程中液晶显示屏
display pattern. The symptom is normal, and it will turn back to normal in a short
上可能会产生静电线 , 此为正常情况 , 可在
while.
短时间内消失 。
- LCD panel has sharp edges, please handle with care.
- 请注意避免被液晶显示屏的边缘割伤
- Never attempt to disassemble or rework LCD module.
- 请不要试图拆卸或改造液晶显示模块
- If display panel is damaged and liquid crystal substance leaks out, be sure not - 当液晶显示屏出现破裂, 内部液晶液体可能
to get any in your mouth, if the substance comes into contact with your skin or
流出; 相关液体不可吞吃, 绝对不可接触嘴
clothes promptly wash it off using soap and water.
巴, 如接触到皮肤或衣服, 请使用肥皂与清
水彻底清洗.
10. CTP Mounting Instructions
10. 电容触摸屏安装指导
10.1 Bezel Mounting (Figure 1)
10.1 面框安装 附图 1
- The bezel window should be bigger than the CTP active area. It should be
- 客户面框窗口应大于 CTP 动作区域 各边离
0.5mm each side.
动作区应 ≥ 0.5mm.
- Gasket should be installed between the bezel and the CTP surface. The final
- 面框与 CTP 面板间应垫有胶垫 其最终间隙
gap should be about 0.5~1.0mm.
约为 0.5 ~ 1.0mm.
- It is recommended to provide an additional support bracket for backside support
- 建议必要时在背面提供附加支架(例如无安
when necessary (e.g. slim type TFT module without mounding structure). They
装结构的薄型 TFT 模块) , 应仅利用适当支撑
should only provide appropriate support and keep the module in place.
以保持模块位置.
- The mounting structure should be strong enough to prevent external uneven
- 安装结构应具有足够的强度 以防止外部不
force or twist act onto the module.
均匀力或扭曲力作用到模块上.
Figure 1
10.2 Surface Mounting (Figure 2)
10.2 嵌入安装 附图 2
- As the CTP assembling on the countersink area with double side adhesive.The - 客户面框应具有使用双面胶粘贴 CTP 的结构
countersink area should be flat and clean to ensure the double side adhesive
沉台面 , 其粘贴面要求平整且洁净无污以保
installation result.
证粘贴牢靠.
- The Bezel is recommend to keep a gap ( 0.3mm each side) around the cover - 考虑到制作误差 建议面框与 CTP 盖板之间
lens for tolerance.
四周留有 ≥ 0.3mm 间隙.
- It is recommended to provide an additional support bracket with gasket for - 建议必要时在背面提供垫有胶垫附加支架
backside support when necessary (e.g.
TFT module without mounding
(例如无安装结构的 TFT 模块) , 应仅利用适
structure). They should only provide appropriate support and keep the module in
当支撑以保持模块位置.
place.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 26 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
- The mounting structure should be strong enough to prevent external uneven - 安装结构应具有足够的强度 以防止外部不
force or twist act onto the module
均匀力或扭曲力作用到模块上 。
Figure 2
10.3 Additional Cover Lens Mounting (Figure 3)
10.3 覆加盖板 附图 3
- For the case of additional cover Lens mounting, it is necessary to recheck with - 需要覆加玻璃盖板的安装 为确保其功能
the CTP specification about the material and thickness to ensure the
有必要查看产品规格书中有关盖板材料和厚
functionality.
度的说明.
- It should keep a 0.2~0.3mm gap between the cover lens and the CTP surface..
- 玻璃盖板与 CTP 表面之间应留有 0.2 0.3mm
间隙.
- The cover lens window should be bigger than the active area of the CTP.It - 玻璃盖板视窗应大于 CTP 动作区域 各边离
should be 0.5mm each side.
动作区应 ≥ 0.5mm 。
- It is recommended to provide an additional support bracket for backside support - 建议必要时在背面提供附加支架(例如无安
when necessary (e.g. slim type TFT module without mounding structure). They
装结构的薄型 TFT 模块) , 应仅利用适当支撑
should only provide appropriate support and keep the module in place.
以保持模块位置.
- The mounting structure should be strong enough to prevent external uneven - 安装结构应具有足够的强度 以防止外部不
force or twist act onto the module.
均匀力或扭曲力作用到模块上.
Figure 3
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 27 of 28
TOPWAY
LCD Module User Manual
LMT121EAGFWA-NND-1
11. Warranty
This product has been manufactured to our company’s specifications as a part for use in your company’s general
electronic products. It is guaranteed to perform according to delivery specifications. For any other use apart from general
electronic equipment, we cannot take responsibility if the product is used in medical devices, nuclear power control
equipment, aerospace equipment, fire and security systems, or any other applications in which there is a direct risk to
human life and where extremely high levels of reliability are required. If the product is to be used in any of the above
applications, we will need to enter into a separate product liability agreement.
- We cannot accept responsibility for any defect, which may arise form additional manufacturing of the product
(including disassembly and reassembly), after product delivery.
- We cannot accept responsibility for any defect, which may arise after the application of strong external force to the
product.
- We cannot accept responsibility for any defect, which may arise due to the application of static electricity after the
product has passed our company’s acceptance inspection procedures.
- When the product is in CCFL models, CCFL service life and brightness will vary according to the performance of the
inverter used, leaks, etc. We cannot accept responsibility for product performance, reliability, or defect, which may
arise.
We cannot accept responsibility for intellectual property of a third part, which may arise through the
application of our product to our assembly with exception to those issues relating directly to the
structure or method of manufacturing of our product.
URL: www.topwaydisplay.com
Document Name: LMT121EAGFWA-NND-1-Manual-Rev0.1(w_dwg).doc
Page: 28 of 28