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LTM171W02-A4 Dataheets PDF



Part Number LTM171W02-A4
Manufacturers LG
Logo LG
Description LCD Display Module
Datasheet LTM171W02-A4 DatasheetLTM171W02-A4 Datasheet (PDF)

LM171W02-A4 Liquid Crystal Display Product Specification 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 pix.

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LM171W02-A4 Liquid Crystal Display Product Specification 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 ūůū#Ūŭŭşcolors. 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. RGB, Dclk, DE Hsync, Vsync CN1 (TMDS 1port) (30pin) VCC(+3.3V) Source Driver Circuit Timing Control Block G1 S1 S1440 Gate Driver circuit Power Circuit Block TFT-LCD Panel (1440 × 900 pixels) G900 VLamp VLamp CN2 CN3 Backlight Assembly(2 CCFL) General Features Active Screen Size Outline Dimension Pixel Pitch Pixel Format Color Depth Luminance, White Power Consumption Weight Display Operating Mode Surface Treatment Ver. 0.1 17.1 inches(43.3019cm) diagonal 395(H) x 256.4(V) x 11(D)mm (Typ.)/11.5(D)mm(Max.) 0.255mm x 0.255m 1440 horiz. By 900 vert. Pixels RGB strip arrangement ūůū#ŪŭŭşŶ ' 200 cd/m2 (Typ.) şŧůƉ' # Total 11.5 Watt(Typ.) 1,250 g (Max.) Transmissive mode, normally white Hard coating(3H) Anti-glare treatment of the front polarizer, JUN. 28, 2002 1/8 Free Datasheet http://www.Datasheet4U.com LM171W02-A4 Liquid Crystal Display Product Specification 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. Table 2. ELECTRICAL CHARACTERISTICS Parameter MODULE : Power Supply Input Voltage Power Supply Input Current Power Consumption Vcc Icc Pc 3.15 3.3 570 1.9 3.45 950 3.1 Vdc mA Watt 1 1 Symbol Min Values Typ Max Unit Notes LAMP : Operating Voltage Operating Current Established Starting Voltage VBL IBL Vs 1000 1300 fBL Ts PBL 40,000 9.6 40 60 80 3 10.6 VRMS VRMS kHz minutes Watt Hrs 5 6 7 8 580(9mA) 2.5 600(8mA) 8.0 785(2.5mA) 9.0 VRMS mARMS 4 3 at 25 ¶C at 0 ¶C Operating Frequency 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. 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 2/8 Free Datasheet http://www.Datasheet4U.com LM171W02-A4 Liquid Crystal Display Product Specification Notes: 1. The specified current and power consumption are under the VCC=3.3V, 25¶C,fV=60Hz condition whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency. . 2. This impedance value is needed to proper display and measured from TMDST X to the mating 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 VS should be applied to the lamps for more than 1 second 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%. 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 at 25¶C. The used lamp .


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