Dalian Dongfu Color Display Co.,Ltd LCD Module User Manual DM
Contents
1. 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 Ethyl alcohol o Isopropyl 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 8 3 Caution against static charge Dalian Dongfu Color Display Co Ltd Page 14 of 15 LCD Module User Manual The LCD module use C MOS LSI drivers So we recommend you Connect any unused input terminal to Vag 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 such Avoid intense shock and falls from a height To prevent modules from degradation2. Read busy flag and address Whether during internal operation or not can be known by Reading BF the contents of address Counter can also be read Write Data to RAM Write data into internalRAM DDRAM CGRAM Readdata from RAM Read data from internalRAM DDRAM CGRAM Note The details of The Display Commands please refer to SPLC780D data sheet Dalian Dongfu Color Display Co Ltd Page 10 of 15 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 6 1 3 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 6 3 2 Minor defect Dalian Dongfu Color Display Co Ltd Page 11 of 15 LCD Module
3. User Manual A minor defect refers to a defect that deviates from existing standards almost unrelated to the effective use of the product or its operation 6 4 Inspection standards Criterion for defects Defect type 1 Displ ti 1 Non display 2 Vertical line is deficient Maior isplay on inspection pe p 3 Horizontal line is deficient 4 Cross line is deficient l Size O mm D lt 0 3 Ignore note 0 3 lt 0 lt 0 45 0 45 lt 0 lt 0 6 0 3 lt D Note Not allowed if four more spots crowd together Length mm Width mm Acceptable number L lt 10 WS0 03 5 0 lt L lt 10 0 03 lt W lt 0 04 5 0 lt L lt 10 0 04 lt W lt 0 05 1 0 lt L lt 10 0 05 lt W lt 0 06 1 0 lt L lt 10 0 06 lt W lt 0 08 L lt 10 0 08 lt W follows 2 point defect Defects separate with each other at an interval of more than 20mm 2 Black White spot 3 Black White line J _ 4 Display pattern Unit mm A B 0 45 0 lt C D E lt 0 35 F G lt 0 35 2 2 2 Note 1 Up to 3 damages acceptable 2 Not allowed if there are two or more pinholes every 3 of fourths inch Size_ mm lt 0 7 Ignore note 0 7 lt lt 1 0 1 0 lt 0 lt 1 5 1 5 lt D Note 1 Conformed to limit samples 5 Spot like contrast irregularity 2 Intervals of defects are more than 30mm Dalian Dongfu Color Display Co Ltd Page 12 of 15 LCD Module User Manual Criterion for defects Defect type 6 Bubbles in polarizer Size P m
4. 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 liquid leaked out of a damaged glass cell comes in contact with your hands please was
5. LCD Module User Manual Dalian Dongfu Color Display Co Ltd LCD Module User Manual DM 2402 01 Tel 86 411 84619565 Fax 86 411 84619585 E mail sales dongfu com Website http www dongfu com Dalian Dongfu Color Display Co Ltd Page 1 of 15 LCD Module User Manual REVISION RECORD DATE REVISION ITEMS Jul 5 2007 First Release Version Dalian Dongfu Color Display Co Ltd Page 2 of 15 LCD Module User Manual contents eeo aa a ER 4 2 Wan E 4 Features meia E ee Gas eae area e ee ees 4 4 Mechanical Diagram u onsa ancas noes penas eee ee ina 6 SP AO ME A cc a rd 7 O Qualy Level psa 11 A ES 14 g Handing Precanion 2 5 2000000anca sucede apostado 14 9 Precautons for Use toi RAS 15 Dalian Dongfu Color Display Co Ltd Page 3 of 15 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 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 Transflective Positive type STN LCD 2 Display color C Display dots Black Background Yellow Green Grey 3 Input data 8 bit parallel data interfaced from a MPU 4 Multiplex ratio 1 16 Duty 1 5 Bias 5 Viewing direction 6 O clo
6. ck 6 Back light 3 2 Mechanical features Yellow Green Item Specifications Outline dimensions 118 0 W x 36 0 H X14 0Max T 93 50 W x 15 80 H 88 30 W X 11 50 H 3 20 W X5 55 H 0 50 W x 0 4 H Dot Size 0 55 W x0 6 H Dot Pitch 0 60 W X 0 65 H Weight Viewing Area Image Area Character Size Distance between characters 3 3 Absolute maximum rat Item ings Symbol Condition Max Power supply for logic Vdd Vss 25 C 7 0 Operating voltage for LCD Vdd VO 25 C 13 0 Input voltage Vin 25 C Vdd 0 3 Operating temperature Top 70 Storage temperature Note Dalian Dongfu Color Display Co Ltd Tstg Page 4 of 15 80 LCD Module User Manual 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 reliability 2 All voltage values are referenced to GND 0V 3 4 Electrical characteristics VDD 2 7V to 4 5V Ta 25 C Item Symbol Condition Min Logic Vdd 2 7 Power Voltage LCDdrive Vdd Vss H Level Vih1 Pins E RS R W 0 7Vdd L Level Vil DB7 DBO 0 3 H Level Vih2 0 7Vdd L Level Vil2 0 2 loh 0 1mA H Level Voh1 0 75Vdd Output Voltage Pins DB7 DBO TTL lo
7. en DDRAM address and display positions on the LCD panel Display position 1 2 3 A 38 39 40 DDRAM Address The first line 00H 01H 03H oe 25H 26H 27H DDRAM Address The second line 40H 41H 42H 65H 66H 67H Note The details of The DDRAM please refer to SPLC780D 5 3 5 Character Code Rom Please refer to SPLC780D Data sheet 5 4 Instruction Table Instruction code Instruction Description DB5 DB4 DB3 Clear 5 E 5 writes 20H toDDRAMaddr display esses SetDDRAM address to OOh from AC and return Return cursor to its original home positionifshifted Theconte nts of DDRAM are not changed Assign cursor moving Entry Direction and enable the mode set i shift of entire display The display is on when D is 1 and off when D is 0 Display Thecursor is displayed on off whenCis1andnotdispla control yedwhenCis 0 blinking of cursor on offcontrol bit Dalian Dongfu Color Display Co Ltd Page 9 of 15 Cursor or display shift LCD Module User Manual SetCursor moving and displayshiftcontrolbit a ndthe direction without changingDDRAMdata Function set Sets the interface datalength DL 8bit 4bit N Sets the numbers of display lines and displayfonttype F 5 10 dots 5 8dots Set CGRAM address SetCGRAM address in address counter Set DDRAM address SeDDRAM address in address counter
8. h 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 Display Co Ltd Page 15 of 15
9. ion Enable cycle time teycE Enable pulse width high level PWEN Enable rise fall time ter ter Vdd 3 3V Address set up time A 5 RS R W to E Vss 0V Address hold time tAH Ta 25 C Data set up time Data hold time tH 2 Read Operation Item Symbol Condition Enable cycle time teycE Enable pulse width high level PWEN Enable rise fall time ter ter Vdd 3 3V Address set up time i 5 RS R W to E Vss 0V Address hold time taH Ta 25 Data set up time tDsw Data hold time tH 5 3 Application features of modules 5 3 1 Basic Setting To drive the LCD module correctly and provide normaly disply please use the following setting N 1 2 Line Dlisply F 0 5 8 dots font Dalian Dongfu Color Display Co Ltd Page 8 of 15 LCD Module User Manual D 1 disply on Note 1 These setting should issue to the LCD module while start up 2 See the Disply Commands Section for details 5 3 2 Character Generator RAM CGRAM Character Generator RAM is for storing the User defined Charachers Users can store custom character pattern data of 8 5X8 dot character character code 00h 07h by using CGRAM Note The details of The CGRAM please refer to SPLC780D 5 3 4 Disply Data RAM DDRAM The display positions of characters on LCD panels correspond to the storage addresses of character codes in DDRAM The following is the relationship betwe
10. l 0 1mA L Level Vol Pins DB7 DBO loh 40UA H Level Voh2 Output Voltage Pins CL1 CL2 M D COMS lol 40Ua L Level Vol2 Pins CL1 CL2 M D Vdd 5 0V Rf 91k Q 2 Input Voltage Input Voltage Frame Frequency Fosc Power Consumption Idd Note All the dots are in the static state 3 5 Electro optical Characteristics tem Symbol Temp Conditions Min Typ Max Unit Leo Diving ngs vip ase oso or as 0 A EA Time Time FOR RE td 1000 1500 Time rales e o x Pow e 20 50 gt Dalian Dongfu Color Display Co Ltd Page 5 of 15 LCD Module User Manual 4 Mechanical Diagram 16 7 1 00 PAD 1 60 36 00 0 50 31 06 7XP2 54 o0s oL 0S 0 00 8 LL 0 0 0S cOL v N0 0F09 E6 v 0Ee s8 SOFOELL lt ha gt j ES 00 pL XVIN S E 056 o o on TT 0 l o 6 l l a is s o gt e RE E kaz 4 71 0 Mo oze 7 oso 4 2 2 50 PAD 5 00 S0 0 1 090 ty LA 19 19 Do o E 9 y o l DESIGN MODEL VAR A CUSTOMER MODEL PAGE 1 1 MET Rol ne 4 DM2402 01 DATE 2006 07 11 APPROVED BY DONG WEI CHECKED BY WANG DAN DRAWN BY SY ZHAO Dalian Dongfu Color Display Co Ltd Page 6 of 15 5 1 0 Terminal 5 1 I O Connecti
11. m Acceptable Number lt 0 4 Ignore note 0 4 lt lt 0 65 0 65 lt 0 lt 1 2 1 2 lt D 7 Scratches and dent on the polarizer 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 Failure to mount parts Parts not in the specifications are mounted For example Polarity is reversed HSC or TCP falls off 14 Part alignment LSI IC lead width is more than 50 beyond pad outline More than 50 of LSI IC leads is off the pad outline 15 Conductive foreign matter solder ball solder hips 0 45 lt 0 N gt 1 0 3 lt 0 lt 0 45 N21 Dd Average diameter of solder ball unit mm 0 5 lt L N21 L Average length of solder chip unit mm 16 PCB pattern damage Deep damage is found on copper foil and the pattern is nearly broken Damage o
12. n 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 Display Co Ltd Page 13 of 15 7 1 Lifetime LCD Module User Manual 7 Reliability 50 000 hours 25 C in the room without ray of sun 7 2 Items of reliability ltem Condition Criterion 1 High Temperature Operating 60 C 96hrs Low Temperature Operation 20C 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 High Temperature 40 C 90 RH 96hrs 70 C 96hrs Low Temperature 30 C 96hrs Thermal shock 25C gt 30 C gt 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 initial value 20 Total current consumption should be below double of initial value Vibration
13. on LCD Module User Manual Function Power supply GND Power supply Contrast adjust Input terminal interfaced with MPU Register select signal RS 0 Instruction register for write Busy flag address counter for read RS 1 Data register for write and read Input terminal interfaced with MPU Data read write R W 1 Read R W 0 Write Input terminal interfaced with MPU Enabe signal DBO DB7 Input output terminal interfaced with MPU transfers and receives data between the MPU and module DB4 DB7 Four high order bi directional data bus pins DB7 can be used as a busy flag DBO DB3 Four low order bi directional data bus pins These pins are not used during 4 bit operation Power supply for LED 5 2 Signal timing diagram Power supply for LED 7 VIH1 VIH RS N VILI VILIA tas AH R W o VILI VILI B PWEN at dis AH ter ter VIHI VIHI VONT VILI VILI tDsw ll ee tH oer VIH1 VIHIS DBO DB7 X VILI Valid data VIL teycE Write mode timing diagram Dalian Dongfu Color Display Co Ltd Page 7 of 15 LCD Module User Manual gt VIH VHN RS X yiL VILI tas AH Ri Vial VIHIS la PWEN ar AH Er ter E 7 VIH1 VIHI A VIL1 VILI gt VILI DDR DHR 7 VIHI gt VIHIK DBO DB7 X vILI Valid data VILLAS teycE E id Hy Read mode timing diagram 1 Write Operations Item Symbol Condit
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