LG.Philips LCD LP171W02-A4 Specification
Global LCD Panel Exchange Center
1. General Description
The LM171W02-A4 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 17.1 inch
diagonally measured active display area with WXGA resolution(900 vertical by 1440 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 6-bit gray scale signal for each dot,
thus, presenting a palette of more than colors.
The LM171W02-A4 has been designed to apply the 8Bit TMDS interface method.The LM171W02-A4 is
intended to support displays where high brightness, wide viewing angle, high color saturation, and high color
depth are very important.
www.panelook.com
LM171W02-A4
Liquid Crystal Display
Product Specification
RGB, Dclk, DE
Hsync, Vsync
(TMDS 1port)
(+3.3V)
V
CC
V
Lamp
V
Lamp
CN1
(30pin)
CN2
CN3
General Features
Color Depth
Timing Control
Block
Power Circuit Block
17.1 inches(43.3019cm) diagonalActive Screen Size
395(H) x 256.4(V) x 11(D)mm (Typ.)/11.5(D)mm(Max.)Outline Dimension
0.255mm x 0.255mPixel Pitch
1440 horiz. By 900 vert. Pixels RGB strip arrangementPixel Format
2
200 cd/m
(Typ.)Luminance, White
Source Driver Circuit
S1440S1
Gate Driver circuit
G1
TFT-LCD Panel
(1440 × 900 pixels)
G900
Backlight Assembly(2 CCFL)
Total 11.5 Watt(Typ.)Power Consumption
1,250 g (Max.)Weight
Transmissive mode, normally whiteDisplay Operating Mode
Surface Treatment
Ver. 0.1 JUN. 28, 2002
Hard coating(3H)
Anti-glare treatment of the front polarizer,
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory!
1/ 8
www.panelook.com
Global LCD Panel Exchange Center
2. Electrical Specifications
The LM171W02-A4 requires two power inputs. One is employed to power the LCD electronics and to drive
the TFT array and liquid crystal. The second input which powers the CCFL, is typically generated by an
inverter. The inverter is an external unit to the LCD.
www.panelook.com
LM171W02-A4
Liquid Crystal Display
Product Specification
Table 2. ELECTRICAL CHARACTERISTICS
Parameter Symbol
MODULE :
LAMP :
at 25 ¶C
at 0 ¶C
Operating Frequency
-
-
BL
Values
MaxTypMin
Vdc3.453.33.15VccPower Supply Input Voltage
785(2.5mA)600(8mA)580(9mA)VBLOperating Voltage
9.08.02.5IBLOperating Current
1000
1300
mA
V
V
RMS
RMS
RMS
RMS
Discharge Stabilization Time
Power Consumption
Life Time
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.
NotesUnit
1mA950570IccPower Supply Input Current
1Watt3.11.9PcPower Consumption
3V
4VsEstablished Starting Voltage
5kHz806040f
6minutes3Ts
7Watt10.69.6PBL
8Hrs40,000
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.
Ver. 0.1 JUN. 28, 2002
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory!
2/ 8
www.panelook.com
Global LCD Panel Exchange Center
Notes:
1. The specified current and power consumption are under the V
whereas mosaic pattern(8 x 6) is displayed and f
www.panelook.com
Product Specification
is the frame frequency.
V
LM171W02-A4
Liquid Crystal Display
=3.3V, 25¶C,fV=60Hz condition
CC
2. This impedance value is needed to proper display and measured from TMDST
to the mating
X
connector.
3. Operating voltage is measured at 25¶C. The variance of the voltage is 10%.
4. The output voltage at the transformer in the inverter must be high considering to the loss of the ballast
capacitor in the inverter. The voltage above V
should be applied to the lamps for more than 1 second
S
for start-up. Otherwise, the lamps may not be turned on.
5. 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.
6. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
is the time required for the brightness of the center of the lamp to be not less than 95%.
T
S
The used lamp current is the lamp typical current.
7. The lamp power consumption shown above does not include loss of external inverter at 25¶C.
. The used lamp current is the lamp typical current.
8. The life is determined as the time at which luminance of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25 ± 2¶C.
Note. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform(Asymmetry ratio is less than 10%). Please do not use the inverter
which has asymmetrical voltage and asymmetrical current and spike wave.
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 asymmetry rate of the inverter current and voltage waveform should be 10% below;
b. The distortion rate of the current and voltage waveform should be within 2 10%;
c. The ideal sine current and voltage waveform shall be symmetric in positive and negative polarities.
I p
I -p
Ver. 0.1 JUN. 28, 2002
* Asymmetry rate = | I
* Distortion rate = I
–I –p| / I
p
(or I –p) / I
p
rms
rms
* 100%
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory!
3/ 8
www.panelook.com
Loading...