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LM215WF3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 21.5" Full HD TFT LCD
BUYER General SUPPLIER LG Display Co., Ltd.
MODEL *MODEL LM215WF3
SUFFIX SDD1
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE SIGNATURE
APPROVED BY APPROVED BY
DATE DATE
/ S. Y. Park / G.Manager
REVIEWED BY
S. J. So / Manager [C]
/ D. Y. Kim/ Manager [M]
S. H. Cho / Manager [P]
PREPARED BY
/
Y. T. YOO / Engineer
Please return 1 copy for your confirmation with
MNT Products Engineering Dept.
your signature and comments. LG Display Co., Ltd
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LM215WF3
Liquid Crystal Display
Product Specification
Contents
No ITEM Page
COVER 1
CONTENTS 2
RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS 6
3-1 ELECTRICAL CHARACTREISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 SIGNAL TIMING SPECIFICATIONS 11
3-4 SIGNAL TIMING WAVEFORMS 12
3-5 COLOR INPUT DATA REFERNECE 13
3-6 POWER SEQUENCE 14
4 OPTICAL SFECIFICATIONS 16
5 MECHANICAL CHARACTERISTICS 22
6 RELIABLITY 25
7 INTERNATIONAL STANDARDS 26
7-1 SAFETY 26
7-2 EMC 26
7-3 ENVIRONMENT 26
8 PACKING 27
8-1 DESIGNATION OF LOT MARK 27
8-2 PACKING FORM 27
9 PRECAUTIONS 28
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
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LM215WF3
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision
Revision Date Page Description
No
0.0 Aug. 24. 2012 - First Draft (Preliminary)
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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
Flash Source Driver Circuit
Memory
SPI
S1 S1920
G1
Gate Driver Circuit
Timing
Controller
Main Link
2 Lane TFT - LCD Panel
AUX CH
CN1 (1920 RGB 1080 pixels)
Power
HPD (30pin) Logic Power
Enable
3.3V / 1.2V (Video On) G1080
LCD Power
12 V
Power Circuit
Block
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/m2 ( Center 1 Point, Typ.)
Viewing Angle (CR>10) View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Total 30.72 Watt (Max.)
Power Consumption
(8.4 Watt @VLCD, Max 22.32 Watt_ Duty 100% of DC 60 mA_ w/o driver)
Weight 2050g (Typ), 2150g (Max)
Display Operating Mode Trans missive mode, normally black
Surface Treatment Cover Glass with Anti-Reflection layer coated
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LM215WF3
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. ABSOLUTE MAXIMUM RATINGS
Values
Parameter Symbol Units Notes
Min Max
Power Input Voltage VLCD -0.3 14 Vdc at 25 r 2 C
Operating Temperature TOP 0 50 C
Storage Temperature TST -20 60 C
1
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %RH
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%
50 Storage
Humidity [(%)RH]
Wet Bulb
Temperature [C]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [C]
[ Figure 2 ] Temperature and relative humidity
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LM215WF3
Liquid Crystal Display
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
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 11.4 12.0 12.6 Vdc
Permissive Power Input Ripple VRF - - 400 mV
271 387 503 mA 1
Power Supply Input Current ILCD
378 539 701 mA 2
PLCD 4.6 6.0 Watt 1
Power Consumption
PLCD 6.5 8.4 Watt 2
Rush current IRUSH - - 3.0 A 3
Note.
1. The specified current and power consumption are under the VLCD=12.0V, 25 r 2 C,fV=60Hz condition
whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
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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LM215WF3
Liquid Crystal Display
Product Specification
Table 2-2. LED Bar ELECTRICAL CHARACTERISTICS
Spec
Items Symbol Unit Remark Notes
Min Typ Max
1,2,3,
LED String Current IS - 60 62.5 Vrms
4,7
Ta=25 , 100% PWM at 1,2,3,
LED String Voltage VS - 59.5 62 Vrms
60 mA 7
Ta=25 , 100% PWM at 1,4,6,
BL Power PBL - 21.42 22.32 W
60 mA 7
7- , 100% PWM
LED Life Time LED_LT 30K - - Hrs 5,7
at 60 mA
LED Junction Temperature Tj - - 90 - 5,6,7
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.
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 PS = VS x 60mA
BL Power Consumption is calculated with PBL = PS x 6
7. LED operating DC Forward Current and Junction Temperature must not exceed LED Max Ratings.
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LM215WF3
Liquid Crystal Display
Product Specification
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
1 VIN 12V for LCM Main Power 16 I2C_SCL DDC Clock
2 VIN 12V for LCM Main Power 17 SPDIF Audio output from DP RX
3 VIN 12V for LCM Main Power 18 HPD Hot Plug Detect Signal
4 VIN 12V for LCM Main Power 19 GND High Speed Ground
5 VIN 12V for LCM Main Power 20 AUX_CHN Component Signal for Auxiliary Channel
6 VIN 12V for LCM Main Power 21 AUX_CHP True Signal for Auxiliary Channel
7 GND Ground 22 GND High Speed Ground
8 GND Ground 23 Lane0P True Signal for Main Link 0
9 GND Ground 24 Lane0N Component Signal for Main Link 0
10 GND Ground 25 GND High Speed Ground
11 GND Ground 26 Lane1P True Signal for Main Link 1
12 GND Ground 27 Lane1N Component Signal for Main Link 1
13 DDC_SDA DDC Data 28 GND High Speed Ground
14 DDC_SCL DDC Clock 29 VIDEO_ON Video status from DP RX
15 I2C_SDA DDC Data 30 VSYNC 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.
1 30
#1 #30
Rear view of LCM
20525-130E-01 (I-PEX)
[ Figure 3 ] User Connector diagram
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LM215WF3
Liquid Crystal Display
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.
#1 #2
53780-8602 #1 #2
Rear view of LCM
[ Figure 3-1 ] Thermal Sensor Connector diagram
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LM215WF3
Liquid Crystal Display
Product Specification
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
2 LED6- LED channel 6 cathode
3 LED5- LED channel 5 cathode
4 LED4- LED channel 4 cathode
5 CA135 Channel 1,3,5 Common anode
6 CA246 Channel 2,4,6 Common anode
7 LED3- LED channel 3 cathode
8 LED2- LED channel 2 cathode
9 LED1- LED channel 1 cathode
10 NC Not connected
Pin1
Pin10
[ Figure 4 ] LED Driver Connector Pin
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LM215WF3
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
Period tCLK 7.22 7.22 7.22 ns
DCLK
Frequency - 138.5 138.5 138.5 MHz
total tHP 2080 2080 2080 tCLK
Frequency fH 66.59 66.59 66.59 KHz
Horizontal
Blanking 160 160 160 tCLK
valid tWH 1920 1920 1920 tCLK/2
total tVP 1111 1111 1111 tHP
Frequency fV 60 60 60 Hz
Vertical
Blanking 31 31 31 tHP
valid tWV 1080 1080 1080 tHP
Note: Hsync period and Hsync width-active should be even number times of t CLK. If the value
is odd number times of tCLK, display control signal can be asynchronous. In order to operate
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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LM215WF3
Liquid Crystal Display
Product Specification
3-4. Signal Timing Waveforms
1. DCLK , DE, DATA waveforms
tCLK
Dclk
tSD tHD Valid
Invalid Invalid
Data
tSI tHI
DE(Data Enable)
2. Horizontal waveform
tHP
tHV
DE(Data Enable) DE
3. Vertical waveform
tVP
tVV
tHP
DE(Data Enable) DE
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Liquid Crystal Display
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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
RED GREEN BLUE
Color
MSB LSB MSB LSB 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Red (255) 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Green (255) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
Basic Blue (255) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Color Cyan 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Magenta 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Yellow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
White 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
RED (000) Dark 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RED (001) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RED ... ... ... ...
RED (254) 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RED (255) 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (000) Dark 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (001) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
GREEN ... ... ... ...
GREEN (254) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0
GREEN (255) 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
BLUE (000) Dark 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
BLUE (001) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
BLUE ... ... ... ...
BLUE (254) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0
BLUE (255) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
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LM215WF3
Liquid Crystal Display
Product Specification
3-6. Power Sequence
3-6-1. Power Sequence
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 VLCD to 0V.
3. LED power must be turn on after power supply for LCD and interface signal are valid.
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LM215WF3
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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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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
LCD Module
Optical Stage(x,y) equivalent
50cm
[ Figure 5 ] Optical characteristic measurement equipment and method
Table 8. OPTICAL CHARACTERISTICS (Ta=25 C, VLCD=12.0V, fV=60Hz Dclk=138.5MHz)
Values
Parameter Symbol Units Notes
Min Typ Max
Contrast Ratio CR 700 1000 - 1
Surface Luminance, white LWH 330 415 - cd/m2 2
Luminance Variation G WHITE 75 % 3
Rise Time TrR - 6.5 14 ms 4.1
Response Time
Decay Time TrD - 7.5 14 ms 4.1
RED Rx 0.655
Ry 0.332
GREEN Gx 0.296
Color Coordinates Gy Typ 0.625 Typ
[CIE1931] BLUE Bx -0.03 0.149 +0.03
By 0.048
WHITE Wx 0.313
Wy 0.329
Horizontal TCST_H - 178 -
Color Shift Degree 5
Vertical TCST_V - 178 -
Viewing Angle (CR>10)
Horizontal TH 170 178 -
General Degree 6
Vertical TV 170 178 -
Horizontal TGMA_H 178 -
Effective Degree 7
Vertical TGMA_V 178 -
Gray Scale 2.2 8
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Notes 1. Contrast Ratio(CR) is defined mathematically as :
Surface Luminance with all white pixels
Contrast Ratio
Surface Luminance with all black pixels
It is measured at center point(Location P1)
2. Surface luminance(LWH)is luminance value at Center of the LCD surface 50cm from the surface
with all pixels displaying white. For more information see FIG 9.
3. The variation in surface luminance , G WHITE is defined as :
Minimum(L P1 , L P2 , }.. L P9 )
GWHITE u 100
Maximum (L P1 , L P2 , .... L P9 )
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,
TrR) and from white to black (Decay Time, TrD). For additional information see FIG 10
5. Color shift is the angle at which the color difference is lower than 0.04.
For more information see FIG 11.
- Color difference ( X