Dalian Dongfu Color Display Co.,Ltd LCD Module User Manual DM
Contents
1. 16 PCB pattern damage Deep damage is found on copper foil and the pattern is nearly broken Damage on copper foil other than 1 above 17 Faulty PCB correction Due to PCB copper foil pattern burnout the pattern is connected using a jumper wire for repair 2 or more places are corrected per PCB Short circuited part is cut and no resist coating has been performed 18 Bezel flaw Bezel claw missing or not bent 19 Indication on name plate sampling indication label Failure to stamp or label error or not legible all acceptable if legible The separation is more than 1 3 for indication discoloration in which the characters can be checked Dalian Dongfu Color Disply Co Ltd Page 12 of 14 7 1 Lifetime LCD Module User Manual Reliability 50 000 hours 25 C in the room without ray of sun 7 2 Items of reliability Item Condition Criterion 1 High Temperature Operating 60 C 96hrs Low Temperature Operation 20 C 96hrs No cosmetic failure is allowable Contrast ratio should be between initial value 10 Total current consumption should be below double of initial value Humidity 40 C 90 RH 96hrs High Temperature 70 C 96hrs Low Temperature 30C 96hrs Thermal shock 25 C 30 C 25 C 70 C 5 min 30 min 5 min 30 min 5 cycle 55 60 RH No cosmetic failure is allowable Contrast ratio should be between initial2. 0 7 the X address register Display Start Indicates the display Line Display slart iino data RAM displayed at Z address the top of the screen Status Read Read status BUSY L Ready H In operation ON OFF L Display ON H Display OFF RESET L Normal H Reset Write Display A Writes data DBO 7 into Data Write Data display data RAM After writing instruction Y address is increased by 1 automatically i 7 fr ea come data bus Note The details of The Display Commands please refer to KSO108 PT6608data sheet Dalian Dongfu Color Disply Co Ltd Page 9 of 14 LCD Module User Manual 6 Quality Level 6 1 Inspection conditions 6 1 1The environmental conditions for inspection shall be as follows Room temperature 202 3 C Humidity 65 20 RH 6 1 2 The external visual inspection The inspection shall be performed by using a 20W fluorescent lamp for illumination and the distance between LCD and the eyes of the inspector should be at least 30cm 1 Light method 6 2 Sampling procedures for each item s acceptance level table Defect type Sampling procedure AQL MIL STD 105D Inspection Level Major defect Normal inspection QC 07 2006 1 Single sample inspection MIL STD 105D Inspection Level Minor defect Normal inspection QC 07 2006 1 Single sample inspection 6 3 Classification of defects 6 3 1 Major defect A major defect refers to a defect that may substantially degrade usability for product applications
3. 6 3 2 Minor defect A minor defect refers to a defect that deviates from existing standards almost unrelated to the effective use of the product or its operation Dalian Dongfu Color Disply Co Ltd Page 10 of 14 6 4 Inspection standar LCD Module User Manual Criterion for defects Defect type 1 Display on inspection 1 Non display 2 Vertical line is deficient 3 Horizontal line is deficient 4 Cross line is deficient Major 2 Black White spot ize mm Acceptable number zo gnore note 0 3 lt 0 45 0 45 x 0 6 0 3 D Note Not allowed if four more spots crowd together 3 Black White line Length mm Width mm Acceptable number Lx10 Wx 0 03 Ignore 5 0 lt L lt 10 0 03 lt W lt 0 04 5 0 lt L lt 10 0 04 W x 0 05 1 0 lt L lt 10 0 05 W x 0 06 1 0 lt L lt 10 0 06 W x 0 08 Defects separate with each other at an interval of more than 20mm 4 Display pattern i L J if IR i A B lt 0 45 0 C D E lt 0 35 F G lt 0 35 2 2 2 Note 1 Up to 3 damages acceptable Unit mm 2 Not allowed if there are two or more pinholes every 3 of fourths inch 5 Spot like contrast irregularity lt 0 7 Ignore note 0 7 lt lt 1 0 1 0 6 1 5 1 5 o Note 1 Conformed to limit samples 2 Intervals of defects are more than 30mm Dalian Dongfu Color Disply Co Ltd Page 11 of 14 6 Bubbles in polarizer 7 Scratches an
4. 1 Data register for write and read Input terminal interfaced with MPU 5 R W Data read write R W 1 Read R W 0 Write Input terminal interfaced with MPU A Enabe signal 7 14 DB0 DB7 Data bus line 15 CS1 This is the chip select signal 16 CS2 This is the chip select signal 17 RST When RST is set to L the settings are initialized 18 VEE Power supply for LCD 19 BL Power supply for LED 20 BL Power supply for LED 5 2 Signal timing diagra eo amp e Ennan w amp m Eee Ww at Em Im M amp m Emm t 5 m ies Sk Te L3 a E sesso Tine we bere amp 39 m Data Hold Time Write Data Hold Time Read te 2 m j Dalian Dongfu Color Disply Co Ltd Page 7 of 14 LCD Module User Manual 0 8 2 0v CS1 CS2 NPU Write timing CS1 CS2 DBO0 DBT EPU Read timing Dalian Dongfu Color Disply Co Ltd Page 8 of 14 LCD Module User Manual 5 3 Display command WT RS RAY DBT DBE DBS DBA 69 Da2 Det Dep ___Fenction_ Display ON OFF L L L L H H L H Controls the display on or off Interna status and display RAM data is not affected L OFF H ON Set Address L L L Y address 0 63 Sets the Y address in Y address the Y address counter Set Page Page Sets the X address at X address
5. liquid leaked out of a damaged glass cell comes in contact with your hands please wash it off well at once with soap and water 9 Precautions for Use 9 1 9 2 Both parties should provide a limit sample on an occasion when both parties agree its necessity The judgement by a limit sample shall take effect after the limit sample has been established and confirmed by both parties On the following occasions the handling of problem should be decided through discussion and agreement between responsible of the both parties When a question is arisen in this manual When a new problem is arisen which is not specified in this manual Some problem is arisen due to the change of inspection and operating conditions in users When a new problem is arisen at the customer s operating set for sample evaluation in the customer site Dalian Dongfu Color Disply Co Ltd Page 14 of 14
6. occur please contact the nearest supplier or our company 2 Warranty If module is not stored or used as specified in this manual it will be void the 12 month warranty 3 Features 3 1 Features 1 Display mode reflective type STN LCD 2 Display color Display dots Black oce vd 3 Display Fonts Graphics Matrix 4 Input data 8 bit parallel data interfaced from a MPU 5 Multiplex ratio 1 64 Duty 1 9 Bias 6 Viewing direction 6 O clock 7 Back light No 8 Controller KS0108 3 2 Mechanical features Item Specifications Outline dimensions 93 0 W x70 0 H x9 0Max T Viewing Area 71 7 W x39 0 H Image Area 66 52 W x32 44 H Number of Dots 128 W x64 H Dot Size Dot Pitch 0 48 W x0 48 H 0 52 W x0 52 H Weight 3 3 Absolute maximum ratings Item Condition Min Max Power supply for logic 25 C 0 3 7 0 Operating voltage for LCD 25 C VDD 19 0 Vdd 0 3 Input voltage 25 C 0 3 Vdd 0 3 Operating temperature 0 50 Storage temperature 20 Dalian Dongfu Color Disply Co Ltd Page 4 of 14 70 LCD Module User Manual Note 1 The modules may be destroyed if they are used beyond absolute maximum ratings In ordinary operation it is desirable to use them within recommended operation conditions Using the modules beyond these conditions may cause malfunction and poor relia
7. value 20 Total current consumption should be below double of initial value Vibration 10 55 10hz amplitude 1 5mm 2hrs for each direction X Y Z 8 Handling Precautions 8 1 Mounting method No defects in cosmetic and operational function are allowable Total current consumption should be below double of initial value A panel of LCD module consists of two thin glass plates with polarizers that easily get damaged And since the module in so constructed as to be fixed by utilizing fitting holes in the printed circuit board PCB Extreme care should be used when handling the LCD modules 8 2 Cautions of LCD handling and cleaning When cleaning the display surface use soft cloth with solvent recommended below and wipe lightly o Isopropyl alcohol o Ethyl alcohol o Trichlorotriflorothane Do not wipe the display surface with dry or hard materials that will damage the polarizer surface Do not use the following solvent o Water O Ketone o Aromatics Dalian Dongfu Color Disply Co Ltd Page 13 of 14 LCD Module User Manual 8 3 Caution against static charge The LCD module use C MOS LSI drivers So we recommend you Connect any unused input terminal to Vaa or Vss Do not input any signals before power is turned on and ground your body work assembly areas assembly equipment to protect against static electricity 8 4 Packaging Module employs LCD elements and must be treated as suc
8. LCD Module User Manual Dalian Dongfu Color Display Co Ltd LCD Module User Manual DM 12864 27 Tel 86 411 84619565 Fax 86 411 84619585 E mail sales dongfu com Website http www dongfu com Dalian Dongfu Color Disply Co Ltd Page 1 of 14 LCD Module User Manual REVISION RECORD REV NO DATA REVISION ITEMS 1 0 JAN 20 2006 First Release Version Dalian Dongfu Color Disply Co Ltd Page 2 of 14 LCD Module User Manual Contents 1 SCOp6 4 2 Warranty 4 3 FeaturesS 4 4 Mechanical Diagram 6 5 1 0 Terminal 7 6 Quality Level 9 7 Reliability 13 8 Handling Precautions 13 9 Precautions for Use 14 Dalian Dongfu Color Disply Co Ltd Page 3 of 14 LCD Module User Manual 1 Scope This manual defines general provisions as well as inspection standards for standard LCD module If the event of unforeseen problem or unspecified items may
9. bility 2 All voltage values are referenced to GND OV 3 4 Electrical characteristics VDD 5 0V Vss 0V Ta 25 C Item Symbol Condition Logic Vdd Power Voltage LCDdrive Vdd Vee Input High Voltage Vih1 Vih2 Input Low Voltage Vil Vil2 H Level Voh loh 200UA Output Voltage L Level Vol lolz1 6mA Vdd 5 0V Rf 75k Q 2 Frame Frequency Fosc Power Consumption Idd Note All the dots are in the static state 3 5 Example of power supply o VDD 5V o VSS OV NC NC Dalian Dongfu Color Disply Co Ltd Page 5 of 14 LCD Module User Manual 4 Mechanical Diagram c i 8 i i a i i a ai am fo d a 5S 2 E S22 es 3 aa Ae qa c fe E Oa c ca am ai a ai aa fe aa In bog E Y YT i le 32 AA LA el TE j 65 0 big 0 0 PCB od 2 NOTE TOLERENCES UNLESS OTHERWISE SPECIFIED 3 0 2 ALL DIMENSIONS ARE IN mm k 0 04 8 Dalian Dongfu Color Disply Co Ltd Page 6 of 14 LCD Module User Manual 5 1 0 Terminal 5 1 I O Connection Pin No Symbol Function 1 VSS Power supply GND 2 VDD Power supply 5 0V 3 VO Contrast adjust Input terminal interfaced with MPU Register select signal 4 D I D l 0 Instruction register for write Busy flag address counter for read D l
10. d dent on the polarizer LCD Module User Manual Criterion for defects Defect type Size mm Acceptable Number o lt 0 4 Ignore note 0 4 lt lt 0 65 0 65 6 lt 1 2 1 2 o Scratches and dent on the polarizer shall be in the accordance with 2 Black white spot and 3 Black White line 8 Stains on the surface of LCD panel Stains which cannot be removed even when wiped lightly with a soft cloth or similar cleaning 9 Rainbow color No rainbow color is allowed in the optimum contrast on state within the active area 10 Viewing area encroachment Polarizer edge or line is visible in the opening viewing area due to polarizer shortness or sealing line 11 Bezel appearance Rust and deep damages that are visible in the bezel are rejected 12 Defect of land surface contact Evident crevices that are visible are rejected 13 Parts mounting 1 2 3 Failure to mount parts Parts not in the specifications are mounted For example Polarity is reversed HSC or TCP falls off 14 Part alignment 2 LSI IC lead width is more than 5096 beyond pad outline More than 5096 of LSI IC leads is off the pad outline 15 Conductive foreign matter solder ball solder hips 1 1 2 0 45 0 NZ1 0 3 lt 0 lt 0 45 N21 o Average diameter of solder ball unit mm 0 5 L N21 L Average length of solder chip unit mm
11. h Avoid intense shock and falls from a height To prevent modules from degradation do not operate or store them exposed direct to sunshine or high temperature humidity 8 5 Caution for operation It is an indispensable condition to drive LCD module within the limits of the specified voltage since the higher voltage over the limits may cause the shorter life of LCD module An electrochemical reaction due to DC direct current causes LCD undesirable deterioration so that the uses of DC direct current drive should be avoided Response time will be extremely delayed at lower temperature than the operating temperature range and on the other hand at higher temperature LCD module may show dark color in them However those phenomena do not mean malfunction or out of order of LCD module which will come back in the specified operating temperature 8 6 Storage In the case of storing for a long period of time the following ways are recommended Storage in polyethylene bag with the opening sealed so as not to enter fresh air outside in it And with not desiccant Placing in a dark place where neither exposure to direct sunlight nor light is Keeping the storage temperature range Storing with no touch on polarizer surface by any thing else 8 7 Safety It is recommendable to crash damaged or unnecessary LCD into pieces and to wash off liquid crystal by either of solvents such as acetone and ethanol which should be burned up later When any
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