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LM215WF3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
BUYER
MODEL
APPROVED BY
/
/
General
SIGNATURE
DATE
21.5” Full HD TFT LCDTitle
SUPPLIER LG Display Co., Ltd.
*MODEL LM215WF3
SUFFIX SDD1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
S. Y. Park / G.Manager
REVIEWED BY
S. J. So / Manager [C]
D. Y. Kim/ Manager [M]
SIGNATURE
DATE
S. H. Cho / Manager [P]
PREPARED BY
/
Y. T. YOO / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
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Product Specification
Contents
No ITEM Page
LM215WF3
1
2
3
3-1
3-2
3-3
3-4
3-5
3-6
4
5
COVER
CONTENTS
RECORD OF REVISIONS
GENERAL DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL SPECIFICATIONS
ELECTRICAL CHARACTREISTICS
INTERFACE CONNECTIONS
SIGNAL TIMING SPECIFICATIONS
SIGNAL TIMING WAVEFORMS
COLOR INPUT DATA REFERNECE
POWER SEQUENCE
OPTICAL SFECIFICATIONS
MECHANICAL CHARACTERISTICS
1
2
3
4
5
6
6
8
11
12
13
14
16
22
RELIABLITY
6
INTERNATIONAL STANDARDS
7
7-1
7-2
7-3
8-1
8-2
9-1 MOUNTING PRECAUTIONS 28
9-2 OPERATING PRECAUTIONS 28
9-3 ELECTROSTATIC DISCHARGE CONTROL 29
9-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE 29
9-5 STORAGE 29
9-6 HANDLING PRECAUTIONS FOR PROTECTION FILM 29
SAFETY
EMC
ENVIRONMENT
PACKING
8
DESIGNATION OF LOT MARK
PACKING FORM
9 PRECAUTIONS 28
25
26
26
26
26
27
27
27
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Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision
No
0.0 Aug. 24. 2012 - First Draft (Preliminary)
Revision Date Page Description
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LM215WF3
Liquid Crystal Display
Product Specification
1. General Description
LM215WF3 is a Color Active Matrix Liquid Crystal Display with Light Emitting Diode ( White LED) backlight
system without LED driver. The matrix employs a-Si Thin Film Transistor as the active element.
It is a trans missive type display operating in the normally black mode. It has a 21.5inch diagonally
measured active display area with Full HD resolution (1920 vertical by 1080 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 8bit gray scale signal for each dot,
thus, presenting a palette of more than 16M colors. .
It has been designed to apply the 8bit 4Lane Display port interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
RGB
Main Link
2 Lane
AUX CH
HPD
LCD Power
12 V
CN1
(30pin)
Flash
Memory
SPI
Logic Power
3.3V / 1.2V
Timing
Controller
Power
Enable
(Video On)
Power Circuit
Block
G1
Gate Driver Circuit
G1080
Source Driver Circuit
S1 S1920
TFT - LCD Panel
(1920 Ý RGB Ý 1080 pixels)
VLED 6ch
B/L System (White LED)
[ Figure 1 ] Block diagram
General Features
Active Screen Size 21.46 inches(545.22mm) diagonal
Outline Dimension 528.3(H) 318.765(V) 10.95(T) mm (with Cover Glass)
Pixel Pitch 0.2475mm x 0.2475mm
Pixel Format 1920 horiz. By 1080 vert. Pixels RGB stripes arrangement
Color Depth 8-bit, 16,777,216 colors
Luminance, White 415 cd/m
Viewing Angle (CR>10) View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Power Consumption
Total 30.72 Watt (Max.)
(8.4 Watt
Weight 2050g (Typ), 2150g (Max)
Display Operating Mode Trans missive mode, normally black
Surface Treatment Cover Glass with Anti-Reflection layer coated
2
( Center 1 Point, Typ.)
@VLCD, Max 22.32 Watt_ Duty 100% of DC 60 mA_ w/o driver)
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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 Symbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VLCD -0.3 14 Vdc
TOP 050
TST -20 60
HOP 10 90 %RH
HST 10 90 %RH
Values
Units Notes
Min Max
¶C
¶C
Note.
1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 ¶C Max, and no condensation of water.
2. Storage condition is guaranteed under LCM packing condition (with Al-Bag).
90%
60
60%
Wet Bulb
Temperature [C]
30
20
10
0
50
40
40%
Humidity [(%)RH]
10%
at 25 r 2¶C
1
Storage
Operation
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [C]
[ Figure 2 ] Temperature and relative humidity
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LM215WF3
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Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and
liquid crystal. The second input power for the WLED.
Table 2-1. ELECTRICAL CHARACTERISTICS
Parameter Symbol
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple V
Power Supply Input Current I
Power Consumption
Rush current I
Min Typ Max
LCD 11.4 12.0 12.6 Vdc
RF - - 400 mV
LCD
LCD 4.6 6.0 Watt 1
P
LCD 6.5 8.4 Watt 2
P
RUSH --3.0A3
271 387 503 mA 1
378 539 701 mA 2
Values
Unit Notes
Note.
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
is the frame frequency.
V
=12.0V, 25 r 2¶C,fV=60Hz condition
LCD
2. The current is specified at the maximum current pattern.
3. The duration of rush current is about 2ms and rising time of power Input is 1ms(min.)
White : 255Gray
Black : 0Gray
Maximum current pattern
Mosaic Pattern(8 x 6)
White Pattern
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Table 2-2. LED Bar ELECTRICAL CHARACTERISTICS
Spec
Items Symbol
Min Typ Max
LM215WF3
Liquid Crystal Display
Unit Remark Notes
LED String Current I
LED String Voltage V
BL Power P
LED Life Time LED_LT 30K - - Hrs
LED Junction Temperature Tj - - 90 ć - 5,6,7
S
S
BL
- 60 62.5 Vrms
- 59.5 62 Vrms
- 21.42 22.32 W
Ta=25ć, 100% PWM at
60 mA
Ta=25ć, 100% PWM at
60 mA
ć, 100% PWM
at 60 mA
1,2,3,
1,2,3,
1,4,6,
LED driver design guide
: The design of the LED driver must have specifications for the LED in LCD Assembly.
The performance of the LED in LCM, for example life time or brightness, is extremely influenced by
the characteristics of the LED driver.
So all the parameters of an LED driver should be carefully designed and output current should be
Constant current control.
Please control feedback current of each string individually to compensate the current variation
among the strings of LEDs.
When you design or order the LED driver, please make sure unwanted lighting caused by
the mismatch of the LED and the LED driver (no lighting, flicker, etc) never occurs.
When you confirm it, the LCD module should be operated in the same condition as installed in
your instrument.
4,7
7
7
5,7
1. Specified values are for a single LED bar.
2. The specified current is input LED chip 100% duty current.
3. The specified voltage is input LED string voltage at typical 60mA 100% duty current.
4. The specified power consumption is input LED string power consumption at typical 60mA 100% duty current.
5. The life is determined as the time at which luminance of the LED is 50% compared to that of initial
value at the typical LED current on condition of continuous operating at 25 r 2¶C.
6. The LED power consumption shown above does not include loss of external driver.
The used LED BL current is the LED typical current.
String Power Consumption is calculated with P
BL Power Consumption is calculated with P
= VSx 60mA
S
= PS x 6
BL
7. LED operating DC Forward Current and Junction Temperature must not exceed LED Max Ratings.
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3-2. Interface Connections
3-2-1. LCD Module
- LCD Connector(CN1) : 20525-130E-01 (I-PEX) or Equivalent
Table 3. MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Description
LM215WF3
1
2
3
4
5
6
7
8
9
10
11
12
VIN
VIN
VIN
VIN
VIN
VIN
GND
GND
GND
GND
GND
GND
12V for LCM Main Power
12V for LCM Main Power
12V for LCM Main Power
12V for LCM Main Power
12V for LCM Main Power
12V for LCM Main Power 21
Ground 22
Ground 23
Ground 24
Ground 25
Ground 26 Lane1P
Ground 27 Lane1N
16
17
18
19
20
I2C_SCL
SPDIF
HPD
GND
AUX_CHN Component Signal for Auxiliary Channel
AUX_CHP True Signal for Auxiliary Channel
GND
Lane0P
Lane0N
GND
DDC Clock
Audio output from DP RX
Hot Plug Detect Signal
High Speed Ground
High Speed Ground
True Signal for Main Link 0
Component Signal for Main Link 0
High Speed Ground
True Signal for Main Link 1
Component Signal for Main Link 1
13
14
15
DDC_SDA
DDC_SCL
I2C_SDA
DDC Data 28
DDC Clock 29 VIDEO_ON
DDC Data 30 VSYNC
GND
High Speed Ground
Video status from DP RX
Vertical Frame Sync.
Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD’s metal frame.
301
#1
#30
Rear view of LCM
20525-130E-01 (I-PEX)
[ Figure 3 ] User Connector diagram
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Product Specification
3-2-2. User Connector
- LCD Connector(CN2) : 53780-8602 (Manufactured by Molex) or Equivalent
Table 4. THERMAL SENSOR CONNECTOR(CN2) PIN CONFIGURATION
Pin Symbol Description NOTES
1 DXP Positive connection to remote temperature sensor.
2 DXN Negative connection to remote temperature sensor.
LM215WF3
Liquid Crystal Display
#1 #2
[ Figure 3-1 ] Thermal Sensor Connector diagram
53780-8602
#1 #2
Rear view of LCM
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3-2-3. Backlight Interface
Driver connector: 504050-1001 (Manufactured by Molex)
Mating Connector: 504050-1091 (Manufactured by Molex)
Table 5. LED DRIVER CONNECTOR PIN CONFIGURATION
Pin Symbol Description NOTES
1 NC Not connected
LM215WF3
Liquid Crystal Display
2
3
4
5
6
7
8
9
10 NC Not connected
LED6-
LED5-
LED4-
CA135
CA246
LED3-
LED2-
LED1-
LED channel 6 cathode
LED channel 5 cathode
LED channel 4 cathode
Channel 1,3,5 Common anode
Channel 2,4,6 Common anode
LED channel 3 cathode
LED channel 2 cathode
LED channel 1 cathode
Pin1
Pin10
[ Figure 4 ] LED Driver Connector Pin
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Liquid Crystal Display
Product Specification
3-3. Signal Timing Specifications
All of the interface signal timing should be satisfied with the following specifications for it’s proper operation.
Table 6. TIMING TABLE
ITEM Symbol Min Typ Max Unit Note
DCLK
Horizontal
Vertical
Period t
Frequency - 138.5 138.5 138.5 MHz
total t
Frequency fH 66.59 66.59 66.59
Blanking 160 160 160 tCLK
valid tWH 1920 1920 1920 tCLK/2
total t
Frequency f
Blanking 31 31 31 t
valid tWV 1080 1080 1080 tHP
Note: Hsync period and Hsync width-active should be even number times of t
is odd number times of t
CLK, display control signal can be asynchronous. In order to operate
CLK 7.22 7.22 7.22 ns
HP 2080 2080 2080 tCLK
KHz
VP 1111 1111 1111 tHP
V 60 60 60 Hz
HP
CLK. If the value
this LCM a Hsync, Vsync, and DE(data enable) signals should be used.
1. The performance of the electro-optical characteristics may be influenced by variance of the
vertical refresh rates.
2. Vsync and Hsync should be keep the above specification.
3. Hsync Period, Hsync Width, and Horizontal Back Porch should by any times of character
number(8).
4. The polarity of Hsync, Vsync is not restricted.
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3-4. Signal Timing Waveforms
1. DCLK , DE, DATA waveforms
t
CLK
Dclk
t
SD
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Product Specification
t
HD
Valid
LM215WF3
Liquid Crystal Display
Invalid
Data
DE(Data Enable)
2. Horizontal waveform
DE(Data Enable)
3. Vertical waveform
Invalid
t
SI
t
HI
tHP
tHV
DE
t
VP
tVV
tHP
DE(Data Enable)
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3-5. Color Input Data Reference
The Brightness of each primary color(red,green,blue) is based on the 8-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 7. COLOR DATA REFERENCE
Input Color Data
Basic
Color
RED
Color
MSB LSB
R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0
Black 000000000000000000000000
Red (255) 1 1 1 1 1 1 1 1 0 0 0 0 000000000000
Green (255) 0 0 0 0 0 0 0 0 1 1 1 1 111100000000
Blue (255) 0 0 0 0 0 0 0 0 0 0 0 0 000011111111
Cyan 000000001111111111111111
Magenta 111111110000000011111111
Yellow 111111111111111100000000
White 111111111111111111111111
RED (000) Dark 000000000000000000000000
RED (001) 000000010000000000000000
... ... ... ...
RED (254) 111111100000000000000000
RED (255) 1111111100000000
RED
MSB LSB
GREEN
BLUE
MSB LSB
00000000
GREEN (000) Dark 0 0 0 0 0 0 0 0 0000000000000000
GREEN (001) 0 0 0 0 0 0 0 0 0000000100000000
GREEN
GREEN (254) 0 0 0 0 0 0 0 0 1111111000000000
GREEN (255) 0 0 0 0 0 0 0 0 1111111100000000
BLUE (000) Dark 0 0 0 0 0 0 0 0 0 0 0 0 000000000000
BLUE (001) 0 0 0 0 0 0 0 0 0 0 0 0 000000000001
BLUE
BLUE (254) 0 0 0 0 0 0 0 0 0 000000011111110
BLUE (255) 0 0 0 0 0 0 0 0 0 000000011111111
... ... ... ...
... ... ... ...
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3-6. Power Sequence
3-6-1. Power Sequence
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LM215WF3
Liquid Crystal Display
Product Specification
Notes : [1] HPD is asserted high by Sink at power-up
[2] SYMBOL_LOCK indicated by contents of Sink DPCD registers 00202h to 00205h
[3] VIDEO_ON asserted high by Sink when video to panel is valid
[6] BL_EN is an active-high MLB enable signal for panel BLU
Notes : 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for LCD V
3. LED power must be turn on after power supply for LCD and interface signal are valid.
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Liquid Crystal Display
Product Specification
Notes : [2] SYMBOL_LOCK indicated by contents of Sink DPCD registers 00202h to 00205h
[4] Power-state set by Source in Sink DPCD register 00600h
[5] VIDEO_ON asserted low by Sink because of :
1) loss of SYMBOL_LOCK or
2) DP Sink is powered down
[7] BL_EN must be asserted low by system as rapidly as possible when video is invalid
to avoid visible artifacts
[8] T14 defines minimum off-time for 12V power
[9] min. times of 0 indicate precedence ordering of events, e.g. where actual timing is TBD
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Liquid Crystal Display
Product Specification
4. Optical Specifications
Optical characteristics are determined after the unit has been ‘ON’ for approximately 30 minutes
in a dark environment at 25·2¶C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of ) and T equal to 0 ¶ and aperture 1 degree.
FIG. 8 presents additional information concerning the measurement equipment and method.
Pritchard 880 or
equivalent
Optical Stage(x,y)
LCD Module
50cm
[ Figure 5 ] Optical characteristic measurement equipment and method
Table 8. OPTICAL CHARACTERISTICS
Parameter Symbol
(Ta=25 ¶C, V
Min Typ Max
Contrast Ratio CR 700 1000 - 1
Surface Luminance, white L
Luminance Variation
Response Time
Rise Time Tr
Decay Time Tr
G
WH
WHITE
R
D
330 415 - cd/m
75 % 3
- 6.5 14 ms 4.1
- 7.5 14 ms 4.1
RED Rx
Ry 0.332
GREEN Gx 0.296
Color Coordinates
[CIE1931]
Gy 0.625
BLUE Bx 0.149
Typ
-0.03
By 0.048
WHITE Wx 0.313
Wy 0.329
Color Shift
Horizontal
Vertical
T
CST_H
T
CST_V
- 178 -
- 178 -
Viewing Angle (CR>10)
T
GMA_H
T
GMA_V
T
H
T
V
170 178 -
170 178 -
General
Effective
Horizontal
Vertical
Horizontal
Vertical
Gray Scale 2.2 8
=12.0V, fV=60Hz Dclk=138.5MHz)
LCD
Values
Units Notes
0.655
Typ
+0.03
Degree 5
Degree 6
178 -
Degree 7
178 -
2
2
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Notes 1. Contrast Ratio(CR) is defined mathematically as :
LM215WF3
Liquid Crystal Display
RatioContrast
pixelswhiteallwithLuminanceSurface
pixelsblackallwithLuminanceSurface
It is measured at center point(Location P1)
2. Surface luminance(L
with all pixels displaying white. For more information see FIG 9.
3. The variation in surface luminance , G WHITE is defined as :
Where L1 to L9 are the luminance with all pixels displaying white at 9 locations.
For more information see FIG 6.
4. Response time is the time required for the display to transition from black to white (Rise Time,
) and from white to black (Decay Time, TrD). For additional information see FIG 10
Tr
R
5. Color shift is the angle at which the color difference is lower than 0.04.
For more information see FIG 11.
- Color difference (
WH)is luminance value at Center of the LCD surface 50cm from the surface
G
WHITE
}
)L..,L,Minimum(L
P9P2P1
100
u
)L....,L,(LMaximum
P9P2P1
4
u
3122
yx
u’1, v’1 : u’v’ value at viewing angle direction
- Pattern size : 25% Box size
- Viewing angle direction of color shift : Horizontal, Vertical
6. 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 12.
7. Effective viewing angle is the angle at which the gamma shift of gray scale is lower than 0.3.
For more information see FIG 13 and FIG 14.
8. Gray scale specification
Gamma Value is approximately 2.2. For more information see Table 10.
2
21
'
v
21
'
x
9
y
3122
yx
2
)''()''('' vvuuvu '
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Measuring point for surface luminance & measuring point for luminance variation.
H
LM215WF3
Liquid Crystal Display
H/2
P2
P5
V/2
V
V/10
[ FIG 6 ] Measure Point for Luminance
The response time is defined as the following figure and shall be measured by switching the input signal for
“black” and “white”.
P7
P3
P1
P8
H/10
P4
P6
P9
Optical
Response
100
90
10
0
black
TrR
white
[ FIG 7 ] Response Time
TrD
black
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Color shift is defined as the following test pattern and color.
LM215WF3
Liquid Crystal Display
25% Box size
[ FIG 8 ] Test Pattern
Average RGB values in Bruce RGB for Macbeth Chart
Dark skin Light skin Blue sky Foliage Blue flower Bluish green
R 98 206 85 77 129 114
G 56 142 112 102 118 199
B 45 123 161 46 185 178
Orange Purplish blue Moderate red Purple Yellow green Orange yellow
R 219 56 211 76 160 230
G 104 69 67 39 193 162
B 24 174 87 86 58 29
Blue Green Red Yellow Magenta cyan
R 26 72 197 241 207 35
G 32 148 27 212 62 126
B 145 65 37 36 151 172
White Neutral 8 Neutral 6.5 Neutral 5 Neutral 3.5 black
R 240 206 155 110 63 22
G 240 206 155 110 63
B 240 206 155 110 63 22
22
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Dimension of viewing angle range.
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LM215WF3
Liquid Crystal Display
Product Specification
I
= 180q, Left
I
= 270q, Down
Normal
E
T
I
[ FIG 9 ] Viewing angle
Y
I
= 90q, Up
I
= 0q, Right
[ FIG 10 ] Sample Luminance vs. gray scale
(using a 256 bit gray scale)
r
LaVL
b
[ FIG 11 ] Sample Log-log plot of
luminance vs. gray scale
b
The GAMMA we calculate from the log-log representation (FIG. 11)
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Table 9. Gray Scale Specification
Gray Level Relative Luminance [%] (Typ.)
00.10
31 1.08
63 4.71
95 11.5
127 21.7
159 35.5
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LM215WF3
Liquid Crystal Display
Product Specification
191 53.1
223 74.5
255 100
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Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics. In addition the figures in the next page are detailed
mechanical drawing of the LCD.
Horizontal 528.3mm
Outline Dimension
Bezel Area
Active Display Area
Weight 2050g (Typ.), 2150g(Max.)
Surface Treatment Cover Glass with Anti-Reflection layer coated
Vertical 318.765mm
Depth 10.95mm (with Cover Shield)
Horizontal 477.6mm
Vertical 269.7mm
Horizontal 475.2mm
Vertical 267.3mm
Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.
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Liquid Crystal Display
Product Specification
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6. Reliability
Environment test condition
No Test Item Condition
1 High temperature storage test Ta= 60¶C 240h
2 Low temperature storage test Ta= -20¶C 240h
3 High temperature operation test Ta= 50¶C 50%RH 240h
4 Low temperature operation test Ta= 0¶C 240h
LM215WF3
Liquid Crystal Display
5
6
7 Humidity condition Operation
8
Vibration test
(non-operating)
Shock test
(non-operating)
Altitude
storage / shipment 0 - 40,000 feet(12,192m)
Wave form : random
Vibration level : 1.0G RMS
Bandwidth : 10-300Hz
Duration : X,Y,Z, 20 min
One time each direction
Shock level : 120G
Waveform : half sine wave, 2ms
Direction : ᇹX, ᇹY, ᇹZ
One time each direction
Ta= 40 ¶C ,90%RH
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7. International Standards
7-1. Safety
a) UL 60950-1, Underwriters Laboratories Inc.
Information Technology Equipment - Safety - Part 1 : General Requirements.
b) CAN/CSA C22.2 No.60950-1-07, Canadian Standards Association.
Information Technology Equipment - Safety - Part 1 : General Requirements.
c) EN 60950-1, European Committee for Electrotechnical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1, The International Electrotechnical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
LM215WF3
Liquid Crystal Display
7-2. EMC
a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.”
American National Standards Institute (ANSI), 2003.
b) CISPR 22 “Information technology equipment – Radio disturbance characteristics – Limit and
methods of measurement." International Special Committee on Radio Interference
(CISPR), 2005.
c) CISPR 13 “Sound and television broadcast receivers and associated equipment – Radio disturbance
characteristics – Limits and method of measurement." International Special Committee on Radio
Interference (CISPR), 2006.
7-3. Environment
a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27 January 2003
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8. Packing
8-1. Designation of Lot Mark
a) Lot Mark
ABCDEFGHI JKLM
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
Note
1. YEAR
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LM215WF3
Liquid Crystal Display
Product Specification
Year
Mark
2. MONTH
Month
Mark
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 : 11pcs
b) Box Size : 408 X 355 X 600 (mm)
2016G2017H2018J2019
F
Jun
5
6
Jul
7
Aug9Sep
8
CBA
2014E2015
D
Apr
4
May
201320122011
2020
K
Oct
A
Nov
B
DecMarFebJan
C321
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9. PRECAUTIONS
Please pay attention to the followings when you use this TFT LCD module.
9-1. MOUNTING PRECAUTIONS
(1) You must mount a module using holes arranged in four corners or four sides.
(2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to the
module. And the case on which a module is mounted should have sufficient strength so that external
force is not transmitted directly to the module.
(3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer.
Transparent protective plate should have sufficient strength in order to the resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.
(5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former
generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break
by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB
pencil lead. And please do not rub with dust clothes with chemical treatment.
Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimental
to the polarizer.)
(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like
chamois soaks with petroleum benzene. Normal-hexane is recommended for cleaning the adhesives
used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause
chemical damage to the polarizer.
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes
deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
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 higher temperature, it becomes lower.)
And in lower temperature, response time(required time that brightness is stable after turned on) becomes
longer.
(4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or
electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be
done by system manufacturers. Grounding and shielding methods may be important to minimized the
interference.
(7) Please do not give any mechanical and/or acoustical impact to LCM. Otherwise, LCM can’t be operated
its full characteristics perfectly.
(8) A screw which is fastened up the steels should be a machine screw.
(if not, it causes metallic foreign material and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.
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9-3. ELECTROSTATIC DISCHARGE CONTROL
Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that
treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly.
9-4. PRECAUTIONS FOR STRONG LIGHT EXPOSURE
Strong light exposure causes degradation of polarizer and color filter.
9-5. STORAGE
When storing modules as spares for a long time, the following precautions are necessary.
(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature
between 5¶C and 35¶C 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) The protection film is attached to the bezel with a small masking tape.
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) When the module with protection film attached is stored for a long time, sometimes there remains a very
small amount of glue still on the bezel after the protection film is peeled off.
(3) You can remove the glue easily. When the glue remains on the bezel surface or its vestige is recognized,
please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal hexane.
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