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LM170E01
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 17.0" SXGA TFT LCD
BUYER General SUPPLIER LG.Philips LCD Co., Ltd.
MODEL *MODEL LM170E01
SUFFIX G5
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE DATE APPROVED BY DATE
/ G.T. Kim / Manager
REVIEWED BY
/ K.J. Kwon / Manager
PREPARED BY
/ S.J. So / Engineer
Please return 1 copy for your confirmation with Product Engineering Dept.
your signature and comments. LG. Philips LCD Co., Ltd
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LM170E01
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 CHARACTERISTICS 6
3-2 INTERFACE CONNECTIONS 8
3-3 SIGNAL TIMING SPECIFICATIONS 12
3-4 SIGNAL TIMING WAVEFORMS 13
3-5 COLOR INPUT DATA REFERANCE 14
3-6 POWER SEQUENCE 15
3-7 VCC POWER DIP CONDITION 16
4 OPTICAL SPECIFICATIONS 17
5 MECHANICAL CHARACTERISTICS 21
6 RELIABILITY 24
7 INTERNATIONAL STANDARDS 25
7-1 SAFETY 25
7-2 EMC 25
8 PACKING 26
8-1 DESIGNATION OF LOT MARK 26
8-2 PACKING FORM 26
9 PRECAUTIONS 27
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LM170E01
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Date Page Description
Ver 0.1 Jun.01.2004 Preliminary Specifications
Ver 0.1 Jun. 01, 2004 3 / 28
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LM170E01
Liquid Crystal Display
Product Specification
1. General Description
The LM170E01-G5 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 white mode. This TFT-LCD has a 17.0 inch diagonal
measured active display area with SXGA resolution(1024 vertical by 1280 horizontal pixel array)
Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot,
thus, presenting a palette of more than 16.2M colors with FRC(Frame Rate Control).
The LM170E01-G5 has been designed to apply the interface method that enables low power, high speed,low
EMI. FPD Link or compatible must be used as a LVDS(Low Voltage Differential Signaling) chip.
The LM170E01-G5 is intended to support applications where thin thickness,wide viewing angle, low power are
critical factors and graphic displays are important. In combination with the vertical arrangement of the sub-pixels,
the LM170E01-G5 characteristics provide an excellent flat panel display for office automation products such as
monitors.
Column Driver circuit
S1 S1280
LVDS
pair #1
Column Driver Circuit
G1
LVDS LVDS Rx &
Row Driver circuit
pair #2
Timing Controller
CN1
(30pin) TFT-LCD
(1280 x RGB x 1024 pixels)
+5.0V Power G1024
VCC Circuit
Block
CN2,3
CN4,5
Backlight Assembly(4CCFL)
Figure 1. Block diagram
General Features
Active screen size 17.0 inch (43.27cm) diagonal
Outline Dimension 358.5(H) x 296.5(V) x 17.0(D) mm(Typ.)
Pixel Pitch 0.264 mm x 0.264 mm
Pixel Format 1280 horiz. by 1024 vert. Pixels. RGB stripe arrangement
Display Colors 16.2M colors
Luminance, white 250 cd/m2(Typ. Center 1 point)
Power Consumption T.B.D Watts(Typ.)
Weight 2250g (Typ.)
Display operating mode Transmissive mode, normally white
Surface treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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LM170E01
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 Supply Input Voltage VCC 0.3 5.5 V dc At 25
Operating Temperature TOP 0 50 1
Storage Temperature TST 20 60 1
Operating Ambient Humidity HOP 10 90 %RH 1
Storage Humidity HST 10 90 %RH 1
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.
Figure 2. Temperature and relative humidity
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LM170E01
Liquid Crystal Display
Product Specification
3. Electrical specifications
3-1. Electrical characteristics
The LM170E01-G5 requires two power inputs. One is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. Another which powers the CCFL, is typically generated by an inverter.
The inverter is an external unit to the LCD.
Table 2. Electrical Characteristics
Values
Parameter Symbol Units Notes
Min. Typ. Max.
MODULE :
Power Supply Input Voltage VCC 4.5 5.0 5.5 V
Permissive Power Input Ripple VRF - - 0.1 V
Power Supply Input Current ICC - T.B.D T.B.D A 1
Differential Impedance Zm 90 100 110 ohm
Power Consumption PC - T.B.D T.B.D Watts
Rush Current IRUSH - 2.0 3.0 A 2
LAMP for each CCFL:
Operating Voltage VBL 640 650 740 VRMS 3
(@7.0mA) (@6.5mA) (@3.0mA)
Operating Current IBL 3.0 6.5 7.0 mARMS
Established Starting Voltage VBS 4
at 25 C - - 1000 VRMS
at 0 C - - 1250 VRMS
Operating Frequency f BL 40 60 70 kHz 5
Discharge Stabilization Time TS - - 3 Minutes 6
Power Consumption PBL - 16.90 18.60 Watts 7
Life Time 50,000 - - Hrs 8
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 your instrument.
Note. Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to conducting tape,
TFT-LCD Module have a low luminance and the inverter has abnormal action because leakage current
occurs between lamp wire and conducting tape.
1. The specified current and power consumption are under the VCC=5.0V, 25 C, fV(frame frequency)
=60Hz condition. Mosaic(black & white) pattern shown in the [ Figure 3 ] is displayed.
2. The duration of rush current is about 5ms. And VCC rise time is 500us r 20%.
3. Operating voltage is measured under 25 .The variance of the voltage is 10%.
4. The voltage above VBS should be applied to the lamps for more than 1 second for start-up.
Otherwise,the lamps may not be turned on.
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LM170E01
Liquid Crystal Display
Product Specification
5. 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 interference with horizontal synchronous frequency and as a result this
may cause beat on the display.Therefore lamp frequency shall be as away as possible from the
horizontal synchronous frequency and from its harmonics in order to prevent interference.
6. Let's define the brightness of the lamp after being lighted for 5 minutes as 100%.
Ts is the time required for the brightness of the center of the lamp to be not less than 95%.
The used lamp current is the lamp typical current.
7. The lamp power consumption shown above does not include loss of external inverter under 25 .
The used lamp current is the lamp typical current.
8. The life time is determined as the time at which brightness of lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 2 .
9. Requirements for a system inverter design, which is intended to have a better display performance,
a better power efficiency and a more reliable lamp.
It shall help increase the lamp lifetime and reduce its leakage current.
a. The unbalance rate of the inverter waveform should be 10% below;
b. The distortion rate of the waveform should be within 2 10%;
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
Ip * Asymmetry rate = | I p