Product Specification SPECIFICATION FOR APPROVAL 14.1 XGA TFT LCD. BUYER IBM SUPPLIER LG.Philips LCD Co., Ltd. MODEL Toronto 2 *MODEL LP141X7

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1 LP4X7BIB ( ) Preliminary Specification (SIT EVENT) ( ) Final Specification Title SPECIFICATION FOR APPROVAL 4. XGA TFT LCD BUYER IBM SUPPLIER LG.Philips LCD Co., Ltd. MODEL Toronto 2 *MODEL LP4X7 SIGNATURE / / / DATE SUFFIX BIB * When you obtain standard approval, please use the above model name without suffix. APPROVED BY S.H.Kang / G.Manager REVIEWED BY S.C.Yoon / Manager B.H.Koo / Manager PREPARED BY M.J.Lee / Engineer H.J.Kim / Engineer DATE Please return copy for your confirmation with your signature and comments. Product Engineering Dept. LG.Philips LCD Co., Ltd. Ver.3 AUG 25, 2 Page /2

2 LP4X7BIB CONTENTS NO. ITEM Page COVER CONTENTS 2 RECORD OF REVISIONS 3 GENERAL DESCRIPTION 4 2 ABSOLUTE MAXIMUM RATINGS 5 3 ELECTRICAL SPECIFICATIONS 6 3 ELECTRICAL CHARACTERISTICS 6 32 INTERFACE CONNECTIONS 7 33 SIGNAL TIMING SPECIFICATIONS 9 34 SIGNAL TIMING WAVEFORMS 35 COLOR INPUT DATA REFERENCE 36 POWER SEQUENCE 2 4 OPTICAL SPECIFICATIONS 3 5 MECHANICAL CHARACTERISTICS 4 6 RELIABILITY 8 7 INTERNATIONAL STANDARDS 9 7 SAFETY 9 72 EMC 9 8 PACKING 2 8 DESIGNATION OF LOT MARK 2 82 PACKING FORM 2 9 PRECAUTIONS 2 APPENDIX A OPTICAL CHARACTERISTIC MEASUREMENT EQUIPMENT AND METHOD 23 A2 LUMINANCE 23 A3 RESPONSE TIME 23 A4 VIEWING ANGLE 24 Ver.3 AUG 25, 2 Page 2/2

3 LP4X7BIB RECORDS OF REVISIONS Version No Date Page DESCRIPTION MAY 27, 2 JUN 3, 2 JUN 27, 2 AUG 25, ,4 5 ~ 7 2 First Draft Change Power Consumption 5.W to 4.67W Filling the lamp typical specification Change the interface chip SN75LVDS88B to Thine KZ4E38C2CFP and User connector. Change the signal timing for Thine chip Change the Contrast Ratio 7(typ) to 25(typ). Cahnge the maxium depth of user connector area 5.6mm to 5.8mm. Change Color Coordinates Change the LCD weight from 425g(Typ) to 427.5g(Typ) Change the lamp wire length, back cover and screw position. Change Power sequence specification Ver.3 AUG 25, 2 Page 3/2

4 LP4X7BIB. General Description The LP4X7BIB is a Color Active Matrix with an integral Cold Cathode Fluorescent Lamp(CCFL) backlight system. The matrix employs asi Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode. This TFTLCD has a 4. inches diagonally measured active display area with XGA resolution(768 vertical by 24 horizontal pixel array). Each pixel is divided into Red, Green and Blue subpixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the subpixel color is determined with a 6bit gray scale signal for each dot, thus, presenting a palette of more than 262,44 colors. The LP4X7BIB has been designed to apply the interface method that enables low power, high speed, low EMI. Flat Link must be used as a LVDS(Low Voltage Differential Signaling) chip. The LP4X7BIB is intended to support applications where thin thickness, low power are critical factors and graphic displays are important. In combination with the vertical arrangement of the subpixels, the LP4X7BIB characteristics provide an excellent flat panel display for office automation products such as Notebook PC. General Features Active screen size Outline dimensions Pixel pitch Pixel format Color depth CN CN2 Luminance,White Power Consumption Weight Display operating mode Surface treatments FlatLink interface Timing Control Block Power Block 4. inches(35.84cm) diagonal 298.5(H) 227(V) 5.3(D) mm (Typ.).279 mm.279 mm 24 horiz. by 768 vert. pixels RGB stripe arrangement 6bit, 262,44 colors 5 cd/m 2 (Typ.) Total 4.67Watt(Typ.) 427.5g (Typ.) Transmissive mode, normally white Hard coating (3H), Column driver circuit Antiglare treatment of the front polarizer Ver.3 AUG 25, 2 Page 4/2 Row Driver circuit TFTLCD (24 768) Backlight Ass y

5 LP4X7BIB 2. Absolute Maximum Ratings The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit. Parameter Power Input Voltage Operating Temperature Storage Temperature Operating Ambient Humidity Storage Humidity Table ABSOLUTE MAXIMUM RATINGS symbol Values Min. Max. V CC T OP T ST H OP H ST.3 2 Note. Temperature and relative humidity range are shown in the figure below Units Vdc %RH %RH Wet bulb temperature should be 39 Max, and no condensation of water. 2 Wet Bulb Temperature [ ] % 8% Dry Bulb Temperature [ ] Storage Operation Notes at 25 ±5 6% 4% 2% % Humidity [(%)RH] Ver.3 AUG 25, 2 Page 5/2

6 LP4X7BIB 3. Electrical Specifications 3. Electrical Characteristics The LP4X7BIB 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 Symbol Values Units Notes Min. Typ. Max. MODULE Power Supply Input Voltage V CC Vdc Power Supply Input Current I CC A Differential Impedance Z m 9 Ohm 2 Power Consumption P c.4.22 W Rush Current I RUSH..5 A Duration of rush current 3 ms LAMP Operating Voltage Operating Current Established Starting Voltage at 25 at Operating Frequency Discharge Stabilization Time Power Consumption Life Time T RUSH V L I L V s F L T s P L 68(6mA) 725(5mA) , (3mA) Vrms marms Vrms Vrms khz Minutes W Hours Note)The design of the inverter must have specifications for the lamp in LCD Assembly mA The performance of the Lamp in LCM,for example life time or brightness,is extremely influenced by the characteristics of the DCAC Inverter.So all the parameters of an inverter should be carefully designed so as not to produce too much leakage current from highvoltage 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. Notes. The specified current and power consumption are under the Vcc = 3.3V, 25, fv = 6Hz condition whereas full black pattern is displayed and fv is the frame frequency. 2. This impedance value is needed to proper display and measured from LVDS Tx to the mating connector. 3. The variance of the voltage is ±%. 4. The voltage above V s should be applied to the lamps for more than second for startup. Otherwise,the lamps may not be turned on. 5. The output of the inverter must have symmetrical(negative and positive) voltage waveform and symmetrical current waveform.(unsymmetrical ratio is less than %) 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 %. T s is the time required for the brightness of the center of the lamp to be not less than 95%. 7. The lamp power consumption shown above does not include loss of external inverter. 8. The life time is determined as the time at which brightness of lamp is 5% compared to that of initial value at the typical lamp current on condition of continuous operating at 25 ±2. Ver.3 AUG 25, 2 Page 6/2

7 LP4X7BIB 32. Interface Connections This LCD employs two interface connections, a 2 pin connector is used for the module electronics and the other connector is used for the integral backlight system. The electronics interface connector is a model GT222PH3R manufactured by LG Cable. The pin configuration for the connector is shown in the table below. Table 3 MODULE CONNECTOR PIN CONFIGURATION (LVDS) [CN] Pin Symbol Description Notes Vcc Vcc GND GND AM AP GND AM AP GND A2M A2P GND CLKM CLKP GND NC NC GND GND Power (3.3V) Power (3.3V) Ground Ground Differential Signal Differential Signal Ground Differential Signal Differential Signal Ground Differential Signal Differential Signal Ground Differential Signal Differential Signal Ground No Connection No Connection Ground Ground. Interface chips. LCD KZ4E38C2CFP (Thine) (THC63LVDF64A core + Timing Controller).2 System THC63LVDM63A(Thine) * Pin to Pin compatible with TI LVDS 2. Connector 2. LCD GT222PH3 R (LG Cable) 2.2 Mating FIWEB2PHF(JAE) or compatible 2.3 Connector pin arrangement Viewing on Display side The backlight interface connector is a model BHSR2VS, manufactured by JST. The mating connector part number is SM2BBHSS or equivalent. The pin configuration for the connector is shown in the table below. Notes 2 Table 4 BACKLIGHT CONNECTOR PIN CONFIGURATION Pin Symbol Description Notes 2 HV LV Power supply for lamp (High voltage side) Power supply for lamp (Low voltage side). The high voltage side terminal is colored pink. The low voltage side terminal is white. CN CN2 Ver.3 AUG 25, 2 Page 7/2

8 LP4X7BIB Table 5 REQUIRED SIGNAL ASSIGNMENT FOR FlatLink Transmitter Pin # Pin Name Require Signals Pin # Pin Name Require Signals D4 R4 48 D3 R3 2 Vcc Vcc 47 D2 R2 3 D5 R5 46 GND GND 4 D6 G 45 D R 5 GND GND 44 D R 6 D7 G 43 NC NC 7 D8 G2 42 LVDS GND LVDS GND 8 Vcc Vcc 4 YM AM 9 D9 G3 4 YP AP D G4 39 YM AM GND GND 38 YP AP 2 D G5 37 LVDS Vcc LVDS Vcc 3 D2 B 36 LVDS GND LVDS GND 4 NC NC 35 Y2M A2M 5 D3 B 34 Y2P A2P 6 D4 B2 33 CLKOUTM CLKM 7 GND GND 32 CLKOUTP CLKP 8 D5 B3 3 LVDS GND LVDS GND 9 D6 B4 3 PLLGND PLL GND 2 D7 B5 29 PLLVcc PLL Vcc 2 Vcc Vcc 28 PLLGND PLL GND 22 D8 HSYNC 27 SHDN SHDN 23 D9 VSYNC 26 CLKIN Dclk 24 GND GND 25 D2 DE(Data Enable) Notes Refer to LVDS Transmitter Data Sheet for detail descriptions. Ver.3 AUG 25, 2 Page 8/2

9 LP4X7BIB 33. Signal Timing Specifications This is the signal timing required at the input of the LVDS Transmitter. 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 Frequency fclk MHz Dclk WidthLow t WCL 3 Width High t WCH 3 Period t HP Hsync Width t WH Active Period t WHA Period t VP Vsync Width twv 24 Active Period t WVA Set up Time t SI 3 ns for Dclk Hold Time t HI 3 Horizontal thbp Back Porch DTMG Horizontal thfp (DE) Front Porch Vertical tvbp 2 Back Porch Vertical tvfp Front Porch Set up Time t SD 3 ns for Dclk DATA Hold Time t HD 3 * The Maximum Dclk jitter is 2.nsec. t CLK t HP Ver.3 AUG 25, 2 Page 9/2

10 LP4X7BIB Dclk DATA DTMG Hsync DTMG Vsync DTMG 34. Signal Timing Waveforms Dclk,Hsync, Vsync, DTMG, DATA t WH t WV t CLK Invalid Data t HBP t VBP t HD t HI t SD t S t WCH t HP t VP t WHA t WVA t WCL V H =.7VDD V L =.3VDD t HfP t VfP Invalid Data Ver.3 AUG 25, 2 Page /2

11 LP4X7 LP4X7 LP4X7 LP4X7BIB IB IB IB Ver. Ver. Ver. Ver.3 AUG 25 AUG 25 AUG 25 AUG 25, Page Page Page Page /2 /2 /2 35. Color Input Data Reference The brightness of each primary color(red, green and blue) is based on the 6bit 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 Color Red MSB LSB Green MSB LSB Blue MSB LSB R5 R4 R3 R2 R R G5 G4 G3 G2 G G B5 B4 B3 B2 B B Basic Colors Black Red(63) Green(63) Blue(63) Cyan Magenta Yellow White Red Red() Dark Red() Red(2) Red(6) Red(62) Red(63) Bright Green Green()Dark Green() Green(2) Green(6) Green(62) Green(63)Bright Blue Blue() Dark Blue() Blue(2) Blue(6) Blue(62) Blue(63) Bright 36. Power Sequence

12 LP4X7BIB Power Supply For LCD Interface Signal, Parameter Values Units Min. Typ. Max. T T 2 T 3 T 4 T 5 T 6 T 7 V CC V i (LVDS Signal of Transmitter) Power for Lamp 3 5 V % 9% 5 5 ms ms ms ms ms ms ms Notes. Please avoid floating state of interface signal at invalid period. V T OFF T 2 Valid Data T 3 T 4 LAMP ON 2. When the interface signal is invalid, be sure to pull down the power supply for LCD V CC to V. 3. Lamp power must be turn on after power supply for LCD and interface signal are valid. T 5 OFF 9% T 6 % T 7 4. Optical Specifications Ver.3 AUG 25, 2 Page 2/2

13 LP4X7BIB Optical characteristics are determined after the unit has been ON and stable for approximately 3 minutes in a dark environment at 25. The values specified are at an approximate distance 5cm from the LCD surface at a viewing angle of Φ and θ equal to. Appendix A presents additional information concerning the measurement equipment and method. Contrast Ratio Table 8 OPTICAL CHARACTERISTICS Parameter Symbol Values Units Notes Min. Typ. Max. Surface Luminance, white Luminance Variation Response Time CIE Color Coordinates Rise Time Decay Time Red Green Blue White Viewing Angle x axis, right (Φ=º) x axis, left(φ=8º) y axis, up(φ=9º) y axis, down (Φ=27º) Gray Scale CR L WH δwhite Tr Tr R Tr D x R y R x G y G x B y B x W y W θ r θ l θ u θ d Notes. Contrast Ratio (CR) is defined mathematically as Surface Luminance with all white pixels Contrast Ratio = Surface Luminance with all black pixels cd/m 2 ms degree IBM Spec. (.577) (.338) (.3) (.563) (.58) (.57) (.33) (.329) 2. Surface luminance is the center point across the LCD surface 5cm from the surface with all pixels displaying white. For more information see Appendix A 2. When I BL =6mA, L WH = 3cd/m 2 (Min.) 5cd/m 2 (Typ.) 3. The variation in surface luminance, δwhite is determined by measuring L ON at each test position through 9, and then dividing the maximum L ON of 9 points luminance by minimum L ON of 9 points luminance. For more information see Appendix A 2. δwhite = Maximum (L ON, L ON2,...L ON9 ) Minimum (L ON, L ON2,...L ON9 ) 4. Response time is the time required for the display to transition from white to black (Rise Time, Tr R ) and from black to white (Decay Time, Tr D ). For additional information see Appendix A Viewing angle is the angle at which the contrast ratio is greater than. 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 Appendix A 4 ( Ta=25, Vcc=3.3V, f V =6Hz, Dclk=65MHz, I BL =6mA) Gray scale specification. Ver.3 AUG 25, 2 Page 3/2

14 LP4X7BIB 5. Mechanical Characteristics Luminance(%) Gray Level (Typ.) L.35 L7. L5 4. L23 L3 2 L39 35 L47 54 L55 75 L63 The contents provide general mechanical characteristics for the model LP4X7BIB LCD. In addition, the figures in the next page are detailed mechanical drawings of the LCD. Outside dimensions Horizontal Bezel area Active Display area Weight (approximate) Vertical Depth Horizontal Vertical Horizontal Vertical Surface Treatment Hard coating (3H) ±.5 mm 227. ±.5 mm 5.3 ±.3 mm ±.5 mm 27.4 ±.5 mm mm mm 427.5g (Typ.), 437.5g(Max.) Antiglare treatment of the front polarizer < FRONT VIEW > Ver.3 AUG 25, 2 Page 4/2 5

15 Note).General Tolerance is ±.5mm. 2.The LCD depth of user connector area is Max 5.8mm. < REAR VIEW > GT222PH3 LP4X7BIB Ver.3 AUG 25, 2 Page 5/2

16 LP4X7BIB <Detail description of side mounting screw> Ver.3 AUG 25, 2 Page 6/2

17 LP4X7BIB 6. Reliability Environment test condition No. Test Item Conditions High temperature storage test Ta = 6 24h 2 Low temperature storage test Ta = 2 24h 3 High temperature operation test Ta = 5 5%RH 24h 4 Low temperature operation test Ta = 24h 5 Vibration test (nonoperating) 6 Shock test (nonoperating) 7 Altitude operating {Result Evaluation Criteria} Sine wave, ~5~Hz,.5G,.37oct/min, 3 axis, hour/axis Half sine wave, G, 6ms, one shock of each six faces (i.e. run G 6ms for all six faces.) 5m 24Hr There should be no change which might affect the practical display function when the display quality test is conducted under normal operating condition. ON/OFF Cycle The display module will be capable of being operated over 24, ON/OFF cycles (Lamp power & Vcc ON/OFF) Mean Time Between Failure The LCD Panel and interface board assembly (excluding the CCFL) have a mean time between failures of 3, hours with a confidence level 9%. Ver.3 AUG 25, 2 Page 7/2

18 LP4X7BIB 7. International Standards 7. Safety a) UL 95 Third Edition, Underwriters Laboratories, Inc. Jan. 28, 995. Standard for Safety of Information Technology Equipment Including Electrical Business Equipment. b) CAN/CSA C22.2 No Third Edition, Canadian Standards Association, Jan. 28, 995. Standard for Safety of Information Technology Equipment Including Electrical Business Equipment. c) EN A A A A A 997 IEC A A A A4 996 European Committee for Electrotechnical Standardization (CENELEC) EUROPEAN STANDARD for Safety of Information Technology Equipment Including Electrical Business Equipment. 72. EMC a) ANSI C63.4 Methods of Measurement of RadioNoise Emissions from LowVoltage Electrical and Electronic Equipment in the Range of 9kHz to 4GHz. American National Standards Institute(ANSI),992. b) C.I.S.P.R Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment. International Special Committee on Radio Interference c) EN 5522 Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment. European Committee for Electrotechnical Standardization (CENELEC),988 Ver.3 AUG 25, 2 Page 8/2

19 LP4X7BIB 8. Packing 8. Designation of Lot Mark a) Lot Mark A B C D E F G H I J K L M A, B,C SIZE D YEAR E MONTH F,G PANEL CODE H ASSEMBLY CODE I,J,K,L,M SERIAL NO. Note. YEAR YEAR Mark MONTH MONTH Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Mark A B C 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. 82. Packing Form a) Package quantity in one box pcs 9.PRECAUTIONS Ver.3 AUG 25, 2 Page 9/2

20 LP4X7BIB Please pay attention to the followings when you use this TFT LCD module. 9. MOUNTING PRECAUTIONS () 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 a transparent protective plate to the surface in order to protect the polarizer. Transparent protective plate should have sufficient strength in order to 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 polalizer at high temperature and the latter causes circuit break by electrochemical 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 soaked with petroleum benzene. Normalhexane 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. 9.2 OPERATING PRECAUTIONS () The spike noise causes the misoperation of circuits. It should be lower than following voltage V = ± 2mV (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 minimize the interference. Ver.3 AUG 25, 2 Page 2/2

21 LP4X7BIB 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. () Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5 and 35 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 () 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 ion blown equipment or in such a condition, etc. (2) The protection film is attached to the polarizer with a small amount of glue. If some stress is applied to rub the protection film against the polarizer during the time you peel off the film, the glue is apt to remain on the polarizer. Please carefully peel off the protection film without rubbing it against the polarizer. (3) 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 polarizer after the protection film is peeled off. (4) You can remove the glue easily. When the glue remains on the polarizer surface or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normalhexane. A Optical Characteristic Measurement Equipment and Method Ver.3 AUG 25, 2 Page 2/2

22 LP4X7BIB A2 Luminance <measuring point for luminance variation> <measuring point for surface luminance > 256 A3 Response Time 4 7 The response time is defined as the following figure and shall be measured by switching the input signal for black and white. Optical Response 52 9 % white Optical Stage(x,y) LCD Module Field = 5mm Tr R Tr D black Prichard 88 or equivalent 52 white 384 Ver.3 AUG 25, 2 Page 22/2

23 LP4X7BIB A4 Viewing angle xl <Definition of viewing angle range> φ = 8 (9) TFT LCD MODULE φ = 9 (2) yu θ = z z' θ yd A φ φ = 27 (6) φ = (3) xr Ver.3 AUG 25, 2 Page 23/2

1. General Description

1. General Description LP2X05 Product Specification. General Description The LP2X05 is a Color Active Matrix with an integral Cold Cathode Fluorescent Lamp(CCFL) backlight system. The matrix employs asi Thin Film Transistor