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LM215WF3
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
() Preliminary Specification
( ) Final Specification
BUYER
MODEL
APPROVED BY
/
/
SIGNATURE
DATE
21.5” Full HD TFT LCDTitle
SUPPLIER LG Display Co., Ltd.
*MODEL LM215WF3
SUFFIX SLA2
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
Hans. Kim / G.Manager
REVIEWED BY
J. K. Lee / Manager [C]
Y. H. Hwang / Manager[M]
SIGNATUR
E DATE
D. H. Kang / Manager [P]
PREPARED BY
/
S. H. Han / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 0.0 FEB. 10 . 2010
MNT Products Engineering Dept.
LG Display Co., Ltd
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LM215WF3
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 SIGNAL TIMING SPECIFICATIONS
3-4 SIGNAL TIMING WAVEFORMS
3-5 COLOR INPUT DATA REFERNECE
3-6 POWER SEQUENCE
3-7 V
4 OPTICAL SFECIFICATIONS
Power Dip Condition
LCD
Page
1
2
3
4
5
6
6
9
14
15
16
17
18
19
5 MECHANICAL CHARACTERISTICS
6 RELIABLITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
7-3 ENVIRONMENT
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
9 PRECAUTIONS 31
25
28
29
29
29
29
30
30
30
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LM215WF3
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision
No
0.0 Feb. 10. 2010 - First Draft(Preliminary)
Revision Date Page Description
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1. General Description
LM215WF3 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent
Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally black mode. It has a 21.5 inch diagonally measured
active display area with FHD resolution (1080 vertical by 1920horizontal 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 8-bit gray scale signal for each dot,
thus, presenting a palette of more than 16,7M colors with A-FRC(Advanced Frame Rate Control).
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
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LM215WF3
Liquid Crystal Display
Product Specification
RGB
LVDS
2port
+12.0V
CN1
(30pin)
+5.0V
Timing
Controller
Power Circuit
G1
Gate Driver Circuit
G1080
Block
VLamp
General Features
2 x 4 Sockets (High)
[Figure1]Blockdiagram
Active Screen Size 21.46 inches(545.22mm) diagonal
Outline Dimension 495.6(H) x 292.2(V) x 16.5(D) mm (Typ.)
Pixel Pitch 0.2475 mm x 0.2475mm
Source Driver Circuit
S1 S1920
TFT - LCD Panel
(1920 RGB 1080 pixels)
Back light Assembly
(4CCFL)
Pixel Format 1920 horiz. By 1080 vert. Pixels RGB stripes arrangement
Color Depth 16,7M colors
2
Luminance, White 200 cd/m
(1point)
Viewing Angle(CR>10) View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Power Consumption Total 27.66 Watt (Typ.) ( 3.66 Watt
@VLCD, 24 Watt @250cd/])
Weight 2450 g (typ.)
Display Operating Mode Transmissive mode, normally black
Surface Treatment Hard coating(3H), Anti-Glare treatment of the front polarizer
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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
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LM215WF3
Liquid Crystal Display
Product Specification
Parameter Symbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VLCD
TOP
TST
HOP
HST
Values
Min Max
-0.3 14
050
-20 60
10 90
10 90
Units Notes
Vdc at 25 ± 2C
C
C
%RH
%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.
Note : 2. Maximum Storage Humidity is up to 40, 70% RH only for 4 corner light leakage Mura.
90%
60
60%
Wet Bulb
Temperature [C]
10
0
20
50
40
40%
30
Humidity [(%)RH]
10%
Storage
Operation
1, 2
10 20 30 40 50 60 70 800-20
Dry Bulb Temperature [C]
[ Figure 2 ] Temperature and relative humidity
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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 CCFL, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2. ELECTRICAL CHARACTERISTICS
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LM215WF3
Liquid Crystal Display
Product Specification
Parameter Symbol
MODULE :
Power Supply Input Voltage V
Permissive Power Input Ripple V
Power Supply Input Current I
Differential Impedance
Power Consumption
Rush current I
LAMP :
Operating Voltage V
Operating Current I
Established Starting Voltage Vs 4, 6
LCD 11.4 12 12.6 Vdc
RF - - 100 mV 13
LCD
Zm
LCD 3.66 4.23 Watt 1
P
P
LCD 4.45 5.12 Watt 2
RUSH --3 A3
BL
BL
Min Typ Max
90 100 110
780
(8.0mA)
2.5 7.5 8.0
at 25 C
at 0 C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
fBL
Ts
PBL
40 - 70
50,000 Hrs 4, 10
Values
800
(7.5mA)
24 26.4
1000
(2.5mA)
1600 V
1900 V
3
Unit Notes
mA 1
mA 2
ohm
V
RMS
mA
RMS
RMS
RMS
kHz 7
Min 4, 8
Watt 9
4, 5
4
Note : The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced by
the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch
of the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD–
Assembly should be operated in the same condition as installed in you instrument.
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Note. Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to a conducting tape,
TFT-LCD Module has a low luminance and the inverter has abnormal action. Because leakage current
is occurred between lamp wire and conducting tape.
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
2. The current is specified at the maximum current pattern. See the figure 3.
3. The duration of rush current is about 5ms and rising time of power Input is 500us ± 20%.(min.).
4. Specified values are for a single lamp.
5. Operating voltage is measured at 25 ± 2C, and follows as below condition.
The variance of the voltage is ± 10%. (Based on single Lamp.)
The variance of the voltage is ± 20%. (Based on system & Test equipment tolerance.)
6. The voltage above V
(Inverter open voltage must be more than lamp starting voltage.)
Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
7. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may
cause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal
synchronous frequency and from its harmonics in order to prevent interference.
8. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
T
is the time required for the brightness of the center of the lamp to be not less than 95%.
S
The used lamp current is the lamp typical current.
9. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (P
10. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 ± 2C.
11. Requirements for a system inverter design, which is intended to have a better display performance,
a better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within √2 10%.
* Inverter output waveform had better be more similar to ideal sine wave.
should be applied to the lamps for more than 1 second for start-up.
S
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Product Specification
is the frame frequency.
V
= VBLx IBLx N
BL
LM215WF3
Liquid Crystal Display
=12V, 25 ± 2C,fV=60Hz condition
LCD
)
Lamp
* Asymmetry rate:
I p
|I
p–I–p
|/I
rms
x 100%
* Distortion rate
I -p
(or I–p)/I
I
p
rms
12. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast)
condenser at the high voltage output side. When you use the inverter which has not coupling(ballast)
condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
13. Permissive power ripple should be measured under V
=12.0V, 25C, fV(frame frequency)=MAX
LCD
condition and At that time, we recommend the bandwidth configuration of oscilloscope is to be under
20Mhz. See the figure 3.
14. In case of edgy type back light with over 4 parallel lamps, input current and voltage wave form should
be synchronized
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LM215WF3
Liquid Crystal Display
Product Specification
• Permissive Power input ripple (V
White pattern
• Power consumption (V
=12V, 25C, fV (frame frequency=60Hz condition)
LCD
=12.0V, 25C, fV(frame frequency)=MAX condition)
LCD
Black pattern
Typical power Pattern
[ Figure 3 ] Mosaic pattern & White Pattern for power consumption measurement
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Maximum power Pattern
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3-2. Interface Connections
3-2-1. LCD Module
-LCD Connector(CN1). : IS100-L30B-C23(UJU), GT103-30S-H23 (LSC)
- Mating Connector : FI-XC30C2L (Manufactured by JAE) or Equivalent
Table 3 MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Symbol
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LM215WF3
Liquid Crystal Display
Product Specification
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
FR0M
FR0P
FR1M
FR1P
FR2M
FR2P
GND
FCLKINM
FCLKINP
FR3M
FR3P
SR0M
SR0P
GND
SR1M
Minus signal of odd channel 0 (LVDS)
Plus signal of odd channel 0 (LVDS)
Minus signal of odd channel 1 (LVDS)
Plus signal of odd channel 1 (LVDS)
Minus signal of odd channel 2 (LVDS)
Plus signal of odd channel 2 (LVDS)
Ground
Minus signal of odd clock channel (LVDS)
Plus signal of odd clock channel (LVDS)
Minus signal of odd channel 3 (LVDS)
Plus signal of odd channel 3 (LVDS)
Minus signal of even channel 0 (LVDS)
Plus signal of even channel 0 (LVDS)
Ground
Minus signal of even channel 1 (LVDS)
16
SR1P
17
GND
18
SR2M
19
SR2P
SCLKIN
20
M
21
SCLKINP
22
SR3M
23
SR3P
24
GND
25
NC
26
NC
PWM_OUT For Control Burst frequency of Inverter
27
28
VLCD
29
VLCD
30
VLCD
Plus signal of even channel 1 (LVDS)
Ground
Minus signal of even channel 2 (LVDS)
Plus signal of even channel 2 (LVDS)
Minus signal of even clock channel (LVDS)
Plus signal of even clock channel (LVDS)
Minus signal of even channel 3 (LVDS)
Plus signal of even channel 3 (LVDS)
Ground
No Connection (I2C Serial interface for LCM)
No Connection.(I2C Serial interface for LCM)
Power Supply +12.0V
Power Supply +12.0V
Power Supply +12.0V
Note: 1. All GND(ground) pins should be connected together and to Vss which should also be connected to
the LCD’s metal frame.
2. All V
LCD (power input) pins should be connected together.
3. Input Level of LVDS signal is based on the IEA 664 Standard.
4. PWM_OUT signal controls the burst frequency of a inverter.
This signal is synchronized with vertical frequency.
It’s frequency is 3 times of vertical frequency, and it’s duty ratio is 50%.
If you don’t use this pin, it is no connection.
[ Figure 4 ] User Connector diagram
IS100-L30B-C23(UJU)
#1 #30
#1 #30
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Table 4. REQUIRED SIGNAL ASSIGNMENT FOR Flat Link (TI:SN75LVDS83) Transmitter
Pin # Require SignalPin Name Pin # Require SignalPin Name
1 Power Supply for TTL InputVCC 29 Ground pin for TTLGND
2 TTL Input (R7)D5 30 TTL Input (DE)D26
3 TTL Input (R5)D6 31 TTL Level clock InputTXCLKIN
4 TTL Input (G0)D7 32 Power Down InputPWR DWN
5 Ground pin for TTLGND 33 Ground pin for PLLPLL GND
6 TTL Input (G1)D8 34 Power Supply for PLLPLL VCC
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LM215WF3
Liquid Crystal Display
Product Specification
7 TTL Input (G2)D9 35 Ground pin for PLLPLL GND
8 TTL Input (G6)D10 36 Ground pin for LVDSLVDS GND
9 Power Supply for TTL InputVCC 37 Positive LVDS differential data output 3
10 TTL Input (G7)D11 38 Negative LVDS differential data output 3
11 TTL Input (G3)D12 39 Positive LVDS differential clock output
12 TTL Input (G4)D13 40 Negative LVDS differential clock output
13 Ground pin for TTLGND 41 Positive LVDS differential data output 2
14 TTL Input (G5)D14 42 Negative LVDS differential data output 2
15 TTL Input (B0)D15 43 Ground pin for LVDSLVDS GND
16 TTL Input (B6)D16 44 Power Supply for LVDSLVDS VCC
17 Power Supply for TTL InputVCC 45 Positive LVDS differential data output 1
18 TTL Input (B7)D17
19 TTL Input (B1)D18
20 TTL Input (B2)D19
22 TTL Input (B3)D20
23 TTL Input (B4)D21
46 Negative LVDS differential data output 1
47 Positive LVDS differential data output 0
48 Negative LVDS differential data output 0
49 Ground pin for LVDSLVDS GND21 Ground pin for TTL InputGND
50 TTL Input (R6)D27
51 TTL Input (R0)D0
TxOUT3
TxOUT3
TXCLKOUT
TXCLKOUT
TXOUT2
TXOUT2
TXOUT1
TXOUT1
TXOUT0
TXOUT0
24 TTL Input (B5)D22
25 TTL Input (RSVD)D23
26 Power Supply for TTL InputVCC 54 TTL Input (R2)D2
52 TTL Input (R1)D1
53 Ground pin for TTLGND
55 TTL Input (R3)D327 TTL Input (HSYNC)D24
56 TTL Input (R4)D428 TTL Input (VSYNC)D25
Notes : 1. Refer to LVDS Transmitter Data Sheet for detail descriptions.
2. 7 means MSB and 0 means LSB at R,G,B pixel data
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LVDS Input characteristics
1. DC Specification
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LM215WF3
Liquid Crystal Display
Product Specification
Description
LVDS Differential Voltage |V
LVDS Common mode Voltage V
LVDS Input Voltage Range V
2. AC Specification
LVDS Clock
LVDS Data
SKEW
t
Description Symbol Min Max Unit Notes
LVDS Clock to Data Skew Margin
Symbo
l
| 100 600 mV -
ID
CM
IN
SKEW(Fclk
t
=1/T
1) 95 MHz > Fclk≥85MHz : - 300 ~ +300
2) 85 MHz > Fclk≥65MHz : - 400 ~ +400
3) 65 MHz > Fclk≥30MHz : - 600 ~ +600
t
SKEW
t
SKEW
t
SKEW
Min Max Unit Notes
0.6 1.8 V -
0.3 2.1 V -
clk
T
clk
)
- 300 + 300 ps 95MHz > Fclk ≥ 85MHz
- 400 + 400 ps 85MHz > Fclk ≥ 65MHz
- 600 + 600 ps 65MHz > Fclk ≥ 30MHz
LVDS Clock to Clock Skew Margin (Even to
Odd)
t
SKEW_EO
- 1/7 + 1/7 T
clk
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LM215WF3
Liquid Crystal Display
Product Specification
< Clock skew margin between channel >
3. Data Format
1) LVDS 2 Port
< LVDS Data Format >
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Product Specification
Table 5. BACKLIGHT CONNECTOR PIN CONFIGURATION(CN2,CN3,CN4,CN5)
The backlight interface connector is a model 35001HS-02LD manufactured by Yeonho. The mating
connector part number are 35001WR-02L or equivalent. The pin configuration for the connector is shown in
the table below.
Pin Symbol Description NOTES
1 HV High Voltage for Lamp 1
LM215WF3
Liquid Crystal Display
2 LV Low Voltage for Lamp 1, 2
Note : 1. The high voltage power terminal is colored Sky blue, Gray.
The low voltage pin color is Black, Blue.
2. The backlight ground should be common with LCD metal frame.
3. 35001HS-02LD (Locking type)
Up Side
Lamp1
Lamp2
CN2
CN3
Down Side
Lamp3
Lamp4
CN4
CN5
[ Figure 5 ] Backlight connector diagram
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3-3. Signal Timing Specifications
This is signal timing required at the input of the TMDS transmitter. All of the interface signal timing should be
satisfied with the following specifications for it’s proper operation.
Table 6. TIMINGTABLE
ITEM Symbol Min Typ Max Unit Note
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LM215WF3
Liquid Crystal Display
Product Specification
DCLK
Horizontal
Vertical
Period t
Frequency total t
Frequency fH
Blanking
valid tWH
total t
Frequency fV
Blanking
valid tWV
CLK
HP
VP
11.76 13.89 15.38
60 72 87.5
1000 1088 1120
64 66 83
40 128 160
960 960 960
1090 1100 1160
50 60 75
10 20 80
1080 1080 1080
ns
MHz
tCLK
KHz
tCLK
tCLK/2
tHP
Hz
tHP
tHP
Note:
1. DE Only mode operation. The i nput of Hsync & Vsync signal does not
have an effect on LCD normal operation.
2. The performance of the electro-optical characteristics may be influenced by variance of the
vertical refresh rates.
3. Horizontal period should be even.
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3-4. Signal Timing Waveforms
1. DCLK , DE, DATA waveforms
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LM215WF3
Liquid Crystal Display
Product Specification
DCLK
tCLK
First data
Second data
DE(Data Enable)
2. Horizontal waveform
Invalid data
Invalid data
Valid data
Pixel 0,0
Valid data
Pixel 1,0
Pixel 2,0
Pixel 3,0
tHV
Invalid data
Invalid data
tHP
DE(Data Enable)
3. Vertical waveform
tVV
tHP
DE(Data Enable)
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DE
t
VP
DE
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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
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LM215WF3
Liquid Crystal Display
Product Specification
Input Color Data
Basic
Color
RED
Color
Black 000000000000000000000000
Red (255) 111111110000000000000000
Green (255) 000000001111111100000000
Blue (255) 0000000000 00000011111111
Cyan 000000001111111111111111
Magenta 111111110000000011111111
Yellow 1111111111 11111100000000
White 1111111111 11111111111111
RED (000) Dark 000000000000000000000000
RED (001) 000000010000000000000000
... ... ... ...
RED (254) 111111100000000000000000
RED (255) 111111110000000000000000
GREEN (000) Dark 000000000000000000000000
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
RED
MSB LSB
GREEN
BLUE
MSB LSB
GREEN (001) 000000000000000100000000
GREEN
GREEN (254) 000000001111111000000000
GREEN (255) 000000001111111100000000
BLUE (000) Dark 000000000000000000000000
BLUE (001) 0000000000 00000000000001
BLUE
BLUE (254) 0000000000 00000011111110
BLUE (255) 0000000000 00000011111111
... ... ... ...
... ... ... ...
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3-6. Power Sequence
V
LCD
Power Supply, V
Interface Signal, Vi
(Digital RGB signal,
SCDT ,Vsync, Hsync,
DE, Clock to PanelLink
Transmitter)
LCD
0V
0V
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Liquid Crystal Display
Product Specification
90%
10%
T1
T2 T5 T7
Valid Data
T3
T4
90%
10%
T6
LM215WF3
Power Supply for
LAMP ONLAMP OFF
Backlight Inverter
[Figure6]Powersequence
Table 8. POWER SEQUENCE
Values
Parameter
Min Typ Max
T1 0.5 - 10 ms
T2 0.01 - 50 ms
T3 500 - - ms
T4 200 - - ms
T5 0.01 - 50 ms
T7 1000 - ms
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. Lamp power must be turn on after power supply for LCD and interface signal are valid.
LAMP OFF
Units
LCD
to 0V.
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LM215WF3
Liquid Crystal Display
Product Specification
3-7. V
LCD
1) Dip condition
2) V
Power Dip Condition
10V ≤V
LCD
10V
11V , td≤20ms
LCD
10V
t
d
[Figure7]Powerdipcondition
V
12V
LCD
-dip conditions should also follow the Power On/Off conditions for supply voltage.
V
LCD
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PR 880 or R D 80 S
or PR 650
(B y PR 65 0 )
4. Optical Specifications
Optical characteristics are determined after the unit has been ‘ON’ for approximately 30 minutes
in a dark environment at 252C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of Φ and θ equal to 0 and aperture 1 degree.
FIG. 1 presents additional information concerning the measurement equipment and method.
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LM215WF3
Liquid Crystal Display
Product Specification
Optical Stage(x,y)
LCD Module
50cm
FIG. 1 Optical Characteristic Measurement Equipment and Method
Table 9. OPTICAL CHARACTERISTICS
Parameter Symbol
Contrast Ratio CR 600 1000 - 1
Surface Luminance, white L
Luminance Variation δ
Gray To Gray
Response Time
Gray-to-Gray (BW) G to G
RED Rx
Color
GREEN Gx 0.303
Coordinates
[CIE1931]
BLUE Bx 0.145
WHITE Wx 0.343
Color Shift
(Avg. Δu’v’
< 0.2))
Horizontal
Vertical
Viewing Angle (CR>10)
General
GSR @ 60dgree
(Gamma shift rate)
Horizontal θ
Vertical θ
Horizontal
Vertical δ
WPT (White Point Tracking) - -300 G255 CCT +700 K 8
Color gamut (CG, CIE1976)
Gray Scale - 2.2 9
WH
WHITE
T
GTG_AVR
Ry 0.335
Gy 0.608
By 0.055
Wy 0.359
θ
CST_H
θ
CST_V
H
V
δ
Gamma_H
Gamma_V
BW
(Ta=25 C, V
Min Typ Max
150 200 - cd/m
=12V, fV=60Hz Dclk=144MHz, IBL=7.5mA)
LCD
Values
Units Notes
2
75 - - % 3
-1425ms4
610ms
Reference
10
0.643
Typ
-0.03
Typ
+0.03
- 140 Degree 5
- 100 -
170 178 170 178 -
--20
Degree 6
%7
--20
-
82 - %
2
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Notes 1. Contrast Ratio(CR) is defined mathematically as : (By PR880)
It is measured at center point(Location P1)
RatioContrast =
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Product Specification
pixelswhiteallwithLuminanceSurface
pixelsblackallwithLuminanceSurface
2. Surface luminance(L
from the surface with all pixels displaying white. For more information see FIG 2. (By PR880)
3. The variation in surface luminance , δ WHITE is defined as :
δ
Where L1 to L9 are the luminance with all pixels displaying white at 9 locations.
For more information see FIG 2.
4. Gray to gray response time is the time required for the display to transition from gray to gray. For
additional information see Table 10.
5. Color shift is the angle at which the average color difference for all Macbeth is lower than 0.02.
For more information see FIG 3 and FIG 4.
- Color difference (Δu’v’)
'
=
u
WH)is luminance value at Center 1 point(P1) across the LCD surface 50cm
(By PR880)
WHITE
=
4
x
3122
++−
yx
24
Δ
∑
=
i
1
)''(
=Δ
vuAvg
…
(By RD80S)
v
'
=
)''(
ivu
)L..,L,Minimum(L
P9P2P1
100
×
)L....,L,(LMaximum
P9P2P1
(By EZ Contrast)
y
9
++−
yx
3122
u’1, v’1: u’v’ value at viewing angle direction
u’2, v’2: u’v’ value at front (θ=0)
i : Macbeth chart number (Define 23 page)
21
2
21
24
- Pattern size : 25% Box size
- Viewing angle direction of color shift : Horizontal, Vertical
2
)''()''('' vvuuvu −+−=Δ
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 4.
7. GSR is the rate of gamma shift at up, down, left and right 60 degree viewing angle compare with
center gamma. For more information see FIG 5 and FIG 6
- GSR (δ
.
) is defined as :
Gamma
(By PR880)
(By EZ Contrast)
Degree)60LightReft,Down,(Up,ValueGammaangleView
×=GSR
100
Degree)(0ValueGa mmaCenter
8. WPT (White Point Tracking) is the variation of color temperature between G255 and G63.
(By PR650)
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Notes 9. Gamma Value is approximately 2.2. For more information see Table 11.
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Notes 10. Response time is the time required for the display to transit from any gray to white (Rise Time, Tr
and from any gray to black (Decay time, Tr
Gto G
BW Spec stands for average value of all measured points.
D).
(By RD80S)
Measuring point for surface luminance & measuring point for luminance variation.
H
H/2
P2
P5
V/2
V
P3
P1
H/10
P4
P6
R)
V/10
P7
P8
P9
FIG. 2 Measure Point for Luminance
The Gray to Gray response time is defined as the following figure and shall be measured by switching the input
signal for “Gray To Gray “.
-Graystep:5Step
- TGTG_AVR is the total averagetime at rising time and fallingtime for “Gray To Gray “.
- if system use ODC ( Over Driving Circuit) function, Gray to Gary response time may be 5ms~8ms GtG
* it depends on Overshoot rate.
Table. 10 GTG Gray Table
Gray to Gray
G255 G191 G127 G63 G0
FallingTime G255
G191
G127
G63
G0
Rising Time
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Color shift is defined as the following test pattern and color.
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LM215WF3
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Product Specification
25% Box size
FIG. 3 Color Shift Test Pattern
Average RGB values in Bruce RGB for Macbeth Chart
Dark skin (i=1) 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 22
B 240 206 155 110 63 22
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Dimension of viewing angle range.
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Product Specification
φ
= 180°, Left
φ
= 270°, Down
Normal
E
θ
φ
[ FIG 12 ] Viewing angle
Y
φ
= 90°,Up
φ
= 0°, Right
[ FIG 13 ] Sample Luminance vs. gray scale
(using a 256 bit gray scale)
r
LaVL +=
b
[ FIG 14 ] Sample Log-log plot of
luminance vs. gray scale
b
+=−
Here the Parameter α and γ relate the signal level V to the luminance L.
The GAMMA we calculate from the log-log representation (FIG. 7)
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Table 10. Gray Scale Specification
Gray Level Relative Luminance [%] (Typ.)
00.11
31 1.08
63 4.72
95 11.49
127 21.66
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Liquid Crystal Display
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159 35.45
191 53.00
223 74.48
255 100
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5. Mechanical Characteristics
The contents provide general mechanical characteristics. In addition the figures in the next page are detailed
mechanical drawing of the LCD.
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LM215WF3
Liquid Crystal Display
Product Specification
Horizontal 495.6mm
Outline Dimension
Bezel Area
Active Display Area
Weight Typ : 2450 g , Max : 2600 g
Surface Treatment
Vertical 292.2mm
Depth 16.5mm
Horizontal 479.8mm
Vertical 271.3mm
Horizontal 475.2mm
Vertical 267.3mm
Hard coating(3H)
Anti-glare treatment of the front polarizer
Notes : Please refer to a mechanic drawing in terms of tolerance at the next page.
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<FRONT VIEW>
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LM215WF3
Liquid Crystal Display
Product Specification
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<REAR VIEW>
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LM215WF3
Liquid Crystal Display
Product Specification
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6. Reliability
Environment test condition
No Test Item Condition
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LM215WF3
Liquid Crystal Display
Product Specification
1 High temperature storage test
2 Low temperature storage test
3 High temperature operation test
4 Low temperature operation test
5
6
7 Humidity condition Operation
8
9
Vibration test
(non-operating)
Shock test
(non-operating)
Altitude
storage / shipment 0 - 40,000 feet(12192m)
Maximum Storage Humidity for
4 corner light leakage Mura.
Ta= 60C 240h
Ta= -20C 240h
Ta= 50C 50%RH 240h
Ta= 0C 240h
Wave form : random
Vibration level : 1.00G RMS
Bandwidth : 10-300Hz
Duration : X, Y, Z, 10 min
One time each direction
Shock level : 100G
Waveform : half sine wave, 2ms
Direction : X, Y, Z
One time each direction
Ta= 40 C ,90%RH
Max 70%RH , Ta=40
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7. International Standards
7-1. Safety
a) UL 60950-1, Second Edition, Underwriters Laboratories Inc.
Information Technology Equipment - Safety - Part 1 : General Requirements.
b) CAN/CSA C22.2 No.60950-1-07, Second Edition, Canadian Standards Association.
Information Technology Equipment - Safety - Part 1 : General Requirements.
c) EN 60950-1:2006 + A11:2009, European Committee for Electrotechnical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1:2005, Second Edition, The International Electrotechnical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
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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:SERIALNO.
Note
1. YEAR
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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 : TBD
b) Box Size : TBD
2006720078200892009
6
Jun7Jul8Aug9Sep
6
321
200452005
4
Apr5May
4
200320022001
2010
0
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.
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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 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 metallicforeign material and deal LCM a fatal blow)
(9) Please do not set LCD on its edge.
(10) When LCMs are used for public display defects such as Yogure, image sticking can not be guarantee.
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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.
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(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature
between 5Cand35C 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 ionblown 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 normalhexane.
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