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LB104V03 Liquid Crystal Display
Product Specification
SPECIFICATION FOR APPROVAL
(
) Preliminary Specification
( V ) Final Specification
Title
BUYER MODEL
10.4" VGA TFT LCD
SUPPLIER *MODEL Suffix LG.Philips LCD Co., Ltd. LB104V03 A1
*When you obtain standard approval, please use the above model name without suffix
SIGNATURE SIGNATURE DATE S.H. Kang / G.Manager / REVIEWED BY K. K. Jang / G. Manager / S. C. Won / G. Manager PREPARED BY / S. D. Cho/ Engineer S. H. Park / Engineer
DATE
Please return 1 copy for your confirmation with your signature and comments.
Products Engineering Dept. LG. Philips LCD Co., Ltd
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LB104V03 Liquid Crystal Display
Product Specification
Contents
No
COVER CONTENTS RECORD OF REVISIONS 1 2 3 3-1 3-2 3-3 3-4 3-5 3-6 4 5 6 7 7-1 7-2 8 8-1 8-2 9 A GENERAL DESCRIPTION ABSOLUTE MAXIMUM RATINGS ELECTRICAL SPECIFICATIONS ELECTRICAL CHARACTREISTICS INTERFACE CONNECTIONS SIGNAL TIMING SPECIFICATIONS SIGNAL TIMING WAVEFORMS COLOR INPUT DATA REFERNECE POWER SEQUENCE OPTICAL SFECIFICATIONS MECHANICAL CHARACTERISTICS RELIABLITY INTERNATIONAL STANDARDS SAFETY EMC PACKING DESIGNATION OF LOT MARK PACKING FORM PRECAUTIONS
ITEM
Page
1 2 3 4 5
6 7 9 9 10 11 12 16 20
21 21
22 22 23 25
APPENDIX. INCOMING INSPECTION STANDARD
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LB104V03 Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Revision Date
0.1 0.2 Mar. 14. 2003 Jul. 22. 2003
Page
4 13 17 18 19 20 First Draft (Preliminary)
Description
Note
weight 480g a 500g(Max) Changing Color coordinates weight 480g a 500g Changing Mechanical drawing Changing Mechanical drawing Half sine wave, 100G a120G, 6ms a2ms weight 500g a 490g(Max) Insert Min value of Operating Voltage (455Vrms,7.0mArms) Insert Note 7 item (.. external inverter for 2 CCFLs.) Changing Connector marker Hirose or equivalent -> Hirose,LG Cable or equivalent insert Min value of Surface Luminance, white (320) weight 500 a 490g Changing Mechanical drawing Version 1.0(Final specification) Change Vibration test condition
0.3
Aug. 19. 2003
4 6 7 7 13 17 19
1.0 1.1
Sep. 01. 2003 Oct. 10. 2003
21
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Product Specification
1. General Description
The LB104V03-A1 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 10.4 inches diagonally measured active display area with VGA resolution(480 vertical by 640 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 262,144 colors. The LB104V03-A1 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 sub-pixels, the LB104V03-A1 characteristics provide an excellent flat display for office automation products such as Notebook PC.
GND VBL CN2 LAMP1
POWER (VDD,GND)
SOURCE DRIVE CIRCUIT POWER SUPPLY
G1 G2 D1 D2 D1919D1920
CN1 DISPLAY DATA & TIMING SIGNAL INPUT CONNECTOR VBL GND CN3 LAMP2
TIMING CONTROLLER
GATE DRIVE CIRCUIT
G479 G480
TFT-LCD
(640 X 3 X 480)
General Features
Active Screen Size Outline Dimension Pixel Pitch Pixel Format Color Depth Luminance, White Power Consumption Weight Display Operating Mode Surface Treatment 10.4 inches(26.42cm) diagonal 236(H) x 180(V) x 10(D) mm 0.33 mm x 0.33 mm 640 horiz. By 480 vert. Pixels RGB strip arrangement 6-bit, 262,144 colors 400 cd/m2(Typ.) Lamp Ass'y replaceable 6.3 Watt(Typ.) 490g (Max.) Transmissive mode, normally white Hard coating(3H) Anti-glare treatment of the front polarizer
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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 Min Max 4.0 50 60 90 90 Vdc C C %RH %RH at 25 5C 1 1 1 1 VCC TOP TST HOP HST -0.3 0 -20 10 10 Units Notes
Power Input Voltage Operating Temperature Storage Temperature Operating Ambient Humidity Storage Humidity
Note : 1. Temperature and relative humidity range are shown in the figure below. Wet bulb temperature should be 39C Max, and no condensation of water.
90% 80% 60 60%
Wet Bulb Temperature [C]
40 30 20 10 0
50 40%
Humidity[(%)RH]
Storage
Operation
20% 10%
-20
0
10
20
30
40
50
60
70
80
Dry Bulb Temperature [? ]
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LB104V03 Liquid Crystal Display
Product Specification
3. Electrical Specifications 3-1. Electrical Characteristics
The LB104V03-A1 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 3.0 3.3 175 0.58 3.6 200 0.66 Vdc mA Watt 1 1 Symbol Min Values Typ Max Unit Notes
LAMP : Operating Voltage Operating Current Established Starting Voltage VBL IBL Vs 455 (7.0mArms) 2.0 485 (6.0mArms) 6.0 625 (2.0mArms) 7.0 VRMS mARMS VRMS VRMS kHz Min Watt Hrs 5 6 7 8 2 3 4 fBL Ts PBL 40 40,000 55 5.8 750 940 80 3 6.4 -
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. 1. VCC=3.3V, 25C, fV (frame frequency) = 60Hz condition, whereas full black pattern is displayed. 2. The variance of the voltage is 10%. 3. The typical operating current is for the typical surface luminance (LWH) in optical characteristics. 4. 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. The used lamp current is the lamp typical current.
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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 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%. 7. The lamp power consumption shown above does not include loss of external inverter for 2 CCFLs. The used lamp current is the lamp typical current. 8. The life time 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. 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.
* Asymmetry rate: I
p
|Ip-I
-p
| / Irms * 100%
* Distortion rate I -p I p (or I -p) / Irms
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.
3-2. Interface Connections
This LCD employs Three interface connections, a 30 pin connector is used for the module electronics interface and the other connectors are used for the integral backlight system. The electronics interface connector is a model KN10G-30S-1H manufactured by Hirose, GT101-30S-H16 manufactured by LG Cable or equivalent. (Mating connector: FI-X30M manufactured by JAE)
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
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LB104V03 Liquid Crystal Display
Product Specification
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Symbol GND VCC VCC GND DCLK DTMG VSYNC HSYNC GND R0 R1 R2 R3 R4 R5 GND G0 G1 G2 G3 G4 G5 GND B0 B1 B2 B3 B4 B5 GND Description Ground Power (3.3V) Power (3.3V) Ground Data Clock Data Enable Vertical sync Horizontal sync Ground Red Data Red Data Red Data Red Data Red Data Red Data Ground Green Data Green Data Green Data Green Data Green Data Green Data Ground Blue Data Blue Data Blue Data Blue Data Blue Data Blue Data Ground Blue data most significant bit (MSB) Blue data least significant bit (LSB) Green data most significant bit (MSB) Green data least significant bit (LSB) Red data most significant bit (MSB) Notes
[ I/F PIN ARRANGEMENT ]
PWB
30 1
Rear View
Pleas refer to page 19, for detail Red data least significant bit (LSB)
The backlight interface connector is a model BHSR-02VS-1, manufactured by JST. The mating connector part number is SM02B-BHSS-1 or equivalent. Pin 1 2 Symbol HV LV Description High Voltage (Pink color) Low Voltage (white color) Notes -
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3-3. Signal Timing Specifications
Table 5. TIMING TABLE ITEM
Frequency Width_Low
Symbol fCLK tWCL tWCH trCLK tfCLK tSH tHH tHP tWH tHr, tHf tSV tHV tVP tWV tVr, tVf tSI tHI tIr, tIf tHBP tHFP tVBP tVFP tSD tHD tDr, tDf
MIN. 21 8 5 3 8 770 12 0 2 515 2 6 1 12 12 5 1 6 3 -
TYP. 25.1 800 525 -
MAX. 28 -
UNIT MHz
NOTE
DCLK
Width_High Rise Time Fall Time Setup Time Hold Time
ns 25 25 ns 900 120 30 ns 560 24 50 ns 30 tCLK tHp tCLK
For Dclk
Hsync
Period Width_Active Rise/Fall Time Setup Time Hold Time Period Width_Active Rise/Fall Time Setup Time Hold Time Rise/Fall Time Horizontal Back Porch Horizontal Front Porch Vertical Back Porch Vertical Front Porch Setup Time
ns For Hsync
Vsync
ns For Dclk
ns
DE
ns 25 ns For Dclk
tHp
DATA
Hold Time Rise/Fall Time
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LB104V03 Liquid Crystal Display
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3-4. Signal Timing Waveforms
tHr,tVr tIr,tD ,tSD 0.7VCC 0.3VCC
tHf,tVf tIf,tDf ,tHD
DCLK, Hsync, Vsync, DE, DATA tCLK 0.5VCC DCLK tCLKL DATA tHD tSD
tWCH
tWCL
tfCLK
trCL
K
Invalid Data tHI tSI
Invalid Data
DE
DCLK tHH Hsync tSV Vsync tHP tWH Hsync tHBP DE tVP tWV Vsync tVBP DE tVFP tHFP tHV tSH
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LB104V03 Liquid Crystal Display
Product Specification
3-5. Color Input Data Reference
The brightness of each primary color (red,green and blue) is based on the 6-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 6. COLOR DATA REFERENCE
Input Color Data Color RED MSB
R5 R4 0 1 0 0 0 1 1 1 0 0 R3 0 1 0 0 0 1 1 1 0 0 ... 1 1 0 0 1 1 0 0 1 1 0 0 ... 0 0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0 00 00 0 0 0 0 0 0 0 0 0 0 0 0 01 01 00 00 1 1 0 0 1 1 0 0 ... 0 0 0 0 01 01 1 1 1 1 1 1 0 0 1 1 0 0 00 10 00 00 0 0 0 0 0 0 0 0 ... 1 1 0 0 1 1 0 0 00 10 00 00 0 0 0 0 0 0 0 0 ... 1 1 1 1 0 1 R2 0 1 0 0 0 1 1 1 0 0 R1 0 1 0 0 0 1 1 1 0 0
GREEN LSB MSB
R0 G5 00 10 01 00 01 10 11 11 00 10 G4 0 0 1 0 1 0 1 1 0 0 G3 0 0 1 0 1 0 1 1 0 0 ... 0 0 0 0 0 0 0 0 00 00 00 10 0 0 0 0 G2 0 0 1 0 1 0 1 1 0 0 G1 0 0 1 0 1 0 1 1 0 0
BLUE LSB MSB
G0 B5 00 00 10 01 11 01 10 11 00 00 B4 0 0 0 1 1 1 0 1 0 0 B3 0 0 0 1 1 1 0 1 0 0 ... 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 B2 0 0 0 1 1 1 0 1 0 0 B1 0 0 0 1 1 1 0 1 0 0
LSB
B0 0 0 0 1 1 1 0 1 0 0
Black Red Green Basic Color Blue Cyan Magenta Yellow White RED (00) RED (01) RED ... RED (62) RED (63) GREEN (00) GREEN (01) GREEN ... GREEN (62) GREEN (63) BLUE (00) BLUE (01) BLUE ... BLUE (62) BLUE (63)
0 1 0 0 0 1 1 1 0 0
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LB104V03 Liquid Crystal Display
Product Specification
3-6. Power Sequence
90%
Power supply for LCD ( VCC)
90% 10%
10% 0V T1 T2
Interface Signal (Tx)
T5 T6 Valid data
T7
10% 0V T3
Power for Lamp
10%
T4
OFF
ON
OFF
Table 7. POWER SEQUENCE TABLE
Parameter Min. T1 T2 T3 T4 T5 T6 T7 0 200 200 0 400 Value Typ. Max. 10 50 50 10 (ms) (ms) (ms) (ms) (ms) (ms) (ms) Units
Note) 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 VCC to 0V. 3. Lamp power must be turn on after power supply for LCD and interface signal are valid.
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LB104V03 Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been `ON' and stable for approximately 30 minutes in a dark environment at 25C. The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of and equal to 0. FIG. 1 presents additional information concerning the measurement equipment and method. FIG. 1 Optical Characteristic Measurement Equipment and Method Optical Stage(x,y) LCD Module Pritchard 880 or equivalent
50cm Table 8. OPTICAL CHARACTERISTICS
Ta=25C, VCC=3.3V, fV=60Hz, Dclk= 25.1MHz, VIN=3.3V, IL=6.0mA Parameter Contrast Ratio Surface Luminance, white Luminance Variation Response Time Rise Time Decay Time Color Coordinates RED GREEN BLUE WHITE Viewing Angle x axis, right(=0) x axis, left (=180) y axis, up (=90) y axis, down (=270) r l u d 50 50 35 45 60 60 40 50 degree degree degree degree RX RY GX GY BX BY WX WY 0.614 0.331 0.275 0.547 0.126 0.087 0.275 0.305 0.634 0.351 0.295 0.567 0.146 0.107 0.295 0.325 0.654 0.371 0.315 0.587 0.166 0.127 0.315 0.345 5 TrR TrD 5 20 8 25 ms ms Symbol CR LWH WHITE Values Min 320 Typ 300 400 1.25 MAx 1.45 cd/m2 Units Notes 1 2 3 4
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LB104V03 Liquid Crystal Display
Product Specification
Note) 1. Contrast Ratio(CR) is defined mathematically as Surface Luminance with all white pixels Contrast Ratio = Surface Luminance with all black pixels 2. Surface luminance is the center point across the LCD surface 50cm from the surface with all pixels displaying white. For more information see FIG 1. 3. The variation in surface luminance , The Panel total variation ( WHITE) is determined by measuring LN at each test position 1 through 5, and then dividing the maximum LN of 5 points luminance by minimum LN of 5 points luminance. For more information see FIG 2.
WHITE = Maximum(L1,L2, ... L5) / Minimum(L1,L2, ...
L5)
4. Response time is the time required for the display to transition from white to black (rise time, TrR) and from black to white(Decay Time, TrD). For additional information see FIG 3. 5. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are d e t e r m i n e d 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. 6. Gray scale specification * fV=60Hz
Gray Level L0 L7 L15 L23 L31 L39 L47 L55 L63
Luminance [%] (Typ) 0.2 0.8 4.5 11.0 22.0 35.5 52.5 74.0 100
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LB104V03 Liquid Crystal Display
Product Specification
FIG. 2 Luminance
H H/2 H/4 V/4 V/2
L2
L3
V
L1
Center Point
H,V : ACTIVE AREA
L4 L5
FIG. 3 Response Time The response time is defined as the following figure and shall be measured by switching the input signal for "black" and "white".
% 100 90 Optical Response 10 0 white
TrR
TrD
white black
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LB104V03 Liquid Crystal Display
Product Specification
FIG. 4 Viewing angle
Normal Eye Y = 90 , Up
= 180 , Left

= 0
, Right
= 270
, Down
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LB104V03 Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LB104V03-A1. In addition the figures in the next page are detailed mechanical drawing of the LCD.
Horizontal Outline Dimension Vertical Depth Horizontal Bezel Area Vertical Horizontal Active Display Area Vertical Weight Surface Treatment 490(Max.) 158.4 mm 163 0.5mm 211.2mm 236.0 0.5mm 180.0 0.5mm Max. 10.5mm 215.6 0.5mm
Hard coating(3H) Anti-glare treatment of the front polarizer
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Product Specification
Note) Unit:[mm], General tolerance: 0.5mm
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Product Specification
Note) Unit:[mm], General tolerance: 0.5mm
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7. International Standards 7-1. Safety
a) UL 60950, Third Edition, Underwriters Laboratories, Inc., Dated Dec. 11, 2000. Standard for Safety of Information Technology Equipment, Including Electrical Business Equipment. b) CAN/CSA C22.2, No. 60950, Third Edition, Canadian Standards Association, Dec. 1, 2000. Standard for Safety of Information Technology Equipment, Including Electrical Business Equipment. c) EN 60950 : 2000, Third Edition IEC 60950 : 1999, Third Edition European Committee for Electrotechnical Standardization(CENELEC) EUROPEAN STANDARD for Safety of Information Technology Equipment Including Electrical Business Equipment.
7-2. EMC
a) ANSI C63.4 "Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electrical Equipment in the Range of 9kHZ to 40GHz. "American National Standards Institute(ANSI), 1992 b) C.I.S.P.R "Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment." International Special Committee on Radio Interference. c) EN 55022 "Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment." European Committee for Electrotechnical Standardization.(CENELEC), 1998 ( Including A1: 2000 )
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LB104V03 Liquid Crystal Display
Product Specification
6. Reliability
Environment test condition No. 1 2 3 4 5 6 7 Test Item High temperature storage test Low temperature storage test High temperature operation test Low temperature operation test Vibration test (non-operating) Shock test (non-operating) Altitude operating storage / shipment Ta= 60C, 240h Ta= -20C, 240h Ta= 50C, 50%RH, 240h Ta= 0C, 240h Random 1.0Grms 3axis(X,Y,Z ), 1hrs/axis Bandwidth : 10~500Hz Half sine wave, 120G, 2ms one shock of each six faces 0 ~ 10,000 feet (3,048m) 24Hr 0 ~ 40,000 feet (12,192m) 24Hr Conditions
{ Result Evaluation Criteria } There should be no change which might affect the practical display function when the display quality test is conducted under normal operating condition.
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LB104V03 Liquid Crystal Display
Product Specification
8. Packing 8-1. Designation of Lot Mark
a) Lot Mark A B C D E F G H I J K L M
A,B,C : Inch D : Year E : Month F : Panel Code G : Factory Code H : Assembly Code I,J,K,L,M : Serial No Note 1. Year
Year Mark 97 7 98 8 99 9 2000 0 2001 1 2002 2 2003 3 2004 4 2005 5 2006 6 2007 7
2. Month
Month Mark Jan 1 Feb 2 Mar 4 Apr 4 May 5 Jun 6 Jul 7 Aug 8 Sep 9 Oct A Nov B Dec C
3. Panel Code
Panel Code Mark P1 Factory 1 P2 Factory 2 P3 Factory 3 P4 Factory 4 P5 Factory 5 Hydis Panel H
4. Factory Code
Factory Code Mark LPL Gumi K LPL Nanjing C
5. Serial No
Serial No. Mark 1 ~ 99,999 00001 ~ 99999 100,000 ~ A0001 ~ A9999, - - - - , Z9999
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 : 10 pcs b) Box Size :L323mm X W270mm X H262mm
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LB104V03 Liquid Crystal Display
Product Specification
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.
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.
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LB104V03 Liquid Crystal Display
Product Specification
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. (1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5C and 35C 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 ion-blown 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 normal-hexane.
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