LMT070DICFWD datasheet and manual
Contents
1.2. Document Name LMTO70DICFWD Manual Revo 3 Page 6 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 6 AC Characteristics 6 1 Timing Characteristics Item Symbol MIN TYP MAX Unit Remark HS setup time Thst 8 ns HS hold time Thhd 8 ns VS setup time Tvst 8 ns VS hold time Tvhd 8 ns Data setup time Tdsu 8 ns Data hole time Tdhd 8 ns DE setup time Tesu 8 ns DVoo Power On Slewrate TPOR 20 ms i Weite DCLK cycle time Tcph 20 ns DCLK pulse duty Tcwh 40 50 60 76 Note For the details of the timing please see the Driver IC data sheet 6 2 Input Clock and Data Timing Diagram CLKIN Data DEN CLKIN VSD HSD 6 3 Timing Document Name LMTO70DICFWD Manual Revo 3 Page 7 of 12 TOPWAY Symbol LCD Module User Manual LMTO70DICFWD Item MIN TYP MAX Unit Remark Horizontal Display Area thd 800 DCLK DCLK Freguency fclk 26 4 33 3 46 8 MHz One Horizontal Line th 862 1056 1200 DCLK HS pulse width thpw 1 40 DCLK HS Blanking thb 46 46 46 DCLK HS Front Porch thfp 16 210 354 DCLK Item Symbol MIN TYP MAX Unit Remark Vertical Display Area tvd 480 TH VS period time tv 510 525 650 TH VS pulse width tvpw 1 20 TH VS Blanking tvb 23 23 23 TH VS Front Porch tvfp 7 22 147 TH 6 4 Data Input Format H Pulse Width Chp nnnuuuuuuuuuuuuuuu
3. The contrast ratio could be calculate by the following expression Contrast Ratio CR Luminanc with all pixels white Luminance with all pixels black 2 Definition of Viewing Angle Normal 6x 0y 0 12 o clock direction y 90 6 o clock 6x 90 y 90 3 Definition of response time S2 o0 Bom 1096 Optical response e 4 Definition of Luminance Uniformity Luminance uniformity Lu Min Luminance form pt1 pt9 Max Luminance form Pt1 pt9 Lu ir W 3 W 3 W 6 E Qo Ho o e o Document Name LMTO70DICFWD Manual RevO 3 Page 10 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 7 Precautions of using LCD Modules Mounting Mounting must use holes arranged in four corners or four sides The mounting structure so provide even force on to LCD module Uneven force ex Twisted stress should 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 itis suggested to attach a transparent protective plate to the surface in order to protect the polarizer It should have sufficient strength in order to the resist external force The housing should adopt radiation structure to satisfy the temperature specification Acetic acid type and chlorine type materials for the cover case are not desirable because the former g
4. V 2 Power voltage AVpp 10 2 10 4 10 6 V Vau 15 3 16 0 16 7 V Var 7 7 7 0 6 3 V Input signal voltage Vcom 3 6 3 8 4 0 V Input logic high voltage Vin 0 7VDD DVpp V 1g Input logic low voltage Vi 0 0 3DVpp V Note 1 Be sure to apply DVDD and VGL to the LCD first and then apply VGH 2 DVDD setting should match the signals output voltage refer to Note 3 of customer s system board 3 DCLK HS VS RESET U D L R DE RO R7 G0 G7 B0 B7 MODE DITHB 5 2 Current Consumption Items Symbol Min Typ Max Unit Remark lau 0 2 1 0 mA Ven 16 0V let B 0 2 1 0 mA VaL 7 0V Current for Driver IDVss 4 0 10 mA DVpp 3 3V IAVpp z 20 50 mA AVpp 1 0 4V 5 3 LED Backlight Circuit Characteristics Top 25C Items Symbol MIN TYP MAX Unit Note Forward Voltage Visa 9 0 9 6 10 5 V If 100mA Forward Current Ifgi A 100 0 mA Cautions Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime Document Name LMT070DICFWD Manual Rev0 3 Page 5 of 12 TOPWAY LCD Module User Manual 5 4 Power Sequence 5 4 1 Power on LMTO70DICFWD VGH B L AVDD DVDD DATA GND VGL DVpp gt VGL AVDD VGH Data B L 5 4 2 Power off VGH B L AVDD DVDD DATA GND VGL B L Data VGH AVDD VGL DVpp Note Data include RO R7 B0 B7 G0 G7 U D L R DCLK HS VS DE
5. Yun Power Positive Backlight Power Supply LED i vem Power Negative Backlight Power Supply 5 GND Power Power GND 0V 6 Vcom Input Common voltage 7 DVpp Power Power for Digital Circuit 8 MODE Input DE SYNC mode select 1 9 DE Input Data input enable 10 VS Input Vertical Sync Input 11 HS Input Horizontal Sync Input 12 B7 Input 8bit Data for Blue 19 BO 20 G7 Input 8bit Data for Green 27 GO 28 R7 Input 8bit Data for Red 35 RO 36 GND Power Power GND 0V 37 DCLK Input Sample clock 2 38 GND Power Power GND 0V 39 L R Input Left right selection 3 40 U D Input Up down selection 3 41 Van Power Gate ON Voltage 42 Var Power Gate OFF Voltage 43 AV pp Power Power for Analog Circuit 44 RESET Input Global reset pin 4 45 NC No connection 46 VcoM Input Common Voltage 47 DITHB Input Dithering function 5 48 GND Power Power GND 0V aa NE 3 No connection 50 NC Note 1 DE SYNC mode select Normally pull high When select DE mode MODE 1 VS and HS must pull high When select SYNC mode MODE 0 DE must be grounded 2 Data shall be latched at the falling edge of DCLK 8 Selection of scanning mode Sering oi scan contol input Scanning direction GND DVpp Up to down left to right DVpp GND Down to up right to left GND GND Up to down right to left DVpp DVpb Down to up left to right 4 Global reset pin Active low to enter reset state Suggest to connect with an RC reset
6. TOPWAY displays info topwaydisplays eu www topwaydisplays eu LMTO70DICFWD LCD Module User Manual Prepared by Checked by Approved by Rev Descriptions Release Date 0 1 Preliminary release 2010 09 07 0 2 Refine 8 Appendix 0 3 Refine 6 1 Timing Characteristics Document Name LMTO70DICFWD Manual Revo 3 Page 1 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD Table of Content Bowen os PAD DIC AOS fe m 3 General Specifiealloh deed c tad crede ead aee 3 Terminal Function Input Terminal esee eee eee 4 Absolute Maximum RatiMgS o ococo o o o o o o ooo o oo o o o ooooo ooooomoo omooo oooo ooo ooo moo oo 5 Electrical Characteristics ooo oo mo oom 5 DCGharacteristid se 5 ed Ns NN nana 5 Gurrent Gonsumripltione 5 5 diens ctio t NN el caa EN t e NN d hee 5 LED Backlight Circuit Characteristics oooo W oo Wo WWW eene nennen nennen nenne a trennen inneren ns 5 Power Seduence om AA A NE AE nas 6 AC Characteristics reel eere Pe na nan an Kanaan 7 Timing Gharacteristies bea ac eit NN i ED Mic ot ter BN one teo hun ana Nak 7 Input Clock and Data Timing Diagram ooooooo Wo Woo Wanna 7 ale ELI ln Ann en errr NN NN RN Rn ena A DN EN ON ni 7 Data Input Format oi idea an A aa akan EUR hua 8 OpticaliGharacteristics eis ea e BU iii eeu 10 Precautions of using LCD ModuleS ii oom anna 11 Ap
7. circuit for stability Normally pull high 5 Dithering function enable control normally pull high When DITHB 1 Disable internal dithering function When DITHB 0 Enable internal dithering function Document Name LMT070DICFWD Manual Revo 3 Page 4of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 4 Absolute Maximum Ratings Items Symbol Min Max Unit Condition DVpp 0 3 5 0 V AVop 6 5 13 5 V Power voltage Vau 0 3 40 0 V VeL 20 0 0 3 V Vou VaL 5 40 0 V Operating Temperature Top 20 70 C No Condensation Storage Temperature Tsr 30 80 C No Condensation Note 1 This rating applies to all parts of the module And should not be exceeded 2 The operating temperature only guarantees operation of the circuit The contrast response speed and the other specification related to electro optical display quality is determined at the room temperature Top 25 8 Ambient temperature when the backlight is lit reference value 4 Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability 5 Electrical Characteristics 5 1 DC Characteristics Items Symbol Min Typ Max Unit Remark DVpp 3 0 3 3 3 6
8. ed for a long time remnant image is likely to occur 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 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 Strong Light Exposure Strong light exposure causes degradation of polarizer and color filter 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 C and 35 C at normal humidity 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 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 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 yo
9. enerates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro chemical reaction Do not touch push or rub the exposed polarizers with glass tweezers or anything harder than HB pencil lead Never rub with dust clothes with chemical treatment Do not touch the surface of polarizer for bare hand or greasy cloth Some cosmetics deteriorate the polarizer When the surface becomes dusty please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzine 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 Wipe off saliva or water drops as soon as possible Their long time contact with polarizer Operating The spike noise causes the mis operation of circuits It should be within the 200mV level Over and under shoot voltage Response time depends on the temperature In lower temperature it becomes longer 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 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 When fixed patterns are display
10. pendix A Inspection items and criteria for appearance defects 12 Document Name LMTO70DICFWD Manual Revo 3 Page 2 of 12 TOPWAY Applications LCD Module User Manual LMTO70DICFWD This Module is designed for portable DVD GPS car TV amp PMP portable multimedia player application which require high quality flat panel displays It is also a good substitute for many outmoded CSTN module in the industrial application This product is composed of a TFT LCD panel driver ICs FPC and LED backlight unit 2 General Specification Signal Interface Display Technology Display Mode Screen Size Diagonal Outline Dimension Active Area Number of dots Pixel Pitch Pixel Configuration Backlight Surface Treatment Viewing Direction Operating Temperature Storage Temperature Digital 24 bits RGB a Si TFT active matrix TN Type Full Color Transmissive Normal White 7 0 164 9 x 100 0 x 5 7 mm see attached drawing for details 154 08 x 85 92 mm 800 x 3 RGB x 480 0 0642 x 0 179 mm RGB Stripe LED Anti Glare Treatment 6 o clock 20 70 C 30 80 C Document Name LMT070DICFWD Manual Rev0 3 Page 3 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 3 Terminal Function Input Terminal Pin No Pin Name 1 0 Descriptions 1
11. u peel off the film the glue is apt tore main on the polarizer Please carefully peel off the protection film without rubbing it against the polarizer 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 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 normal hexane Transportation The LCD modules should be no falling and violent shocking during transportation and also should avoid excessive press water damp and sunshine Document Name LMTO70DICFWD Manual Revo 3 Page 11 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 8 Appendix Inspection items and criteria for appearance defect gt 81 Bright Dark Dots Defect Type Specification Major Minor Bright Dots Ns 2 e Dark Dots Ns 3 e Total Bright and Dark Dots Ns 4 e Note 1 The definition of dot The size of a defective dot over 1 2 of whole dot is regarded as one defective dot 2 Bright dot Dots appear bright and unchanged in size in which LCD panel is displaying under black pattern 3 Dark dot Dots appear dark and unchanged in size in which LCD panel is displaying under pure red green blue pattern Document Name LMTO70DICFWD Manual RevO 3 Page 12 of 12
12. uuuuiuuuuuuut HV Mode v XX OCXB4 0000000 6909090909999 00 OCODO COO OCO eeeeeoeoe 09090999999 OOO00 r X X CX 900000090 AT X 5 CX XX ADD OOOO 0009000 909009009099 0 0 OCOO0o DE Mode OOO 000000000808 008888880 OOOO r XX CX 000000009 090990099999 C X 5 CX X XO DE Ly Blanking thb Active Area thd Total Area th re H Front Porch th p el Document Name LMTO70DICFWD Manual Revo 3 Page 8 of 12 TOPWAY LCD Module User Manual LMTO70DICFWD Figure 6 2 1 Horizontal input timing diagram ro Ao a SEA T VS Figure 6 2 2 Vertical input timing diagram Document Name LMTO70DICFWD Manual Revo 3 Page 9of 12 TOPWAY LCD Module User Manual LMTO70DICFWD 6 5 Optical Characteristics Item Symbol Condition MIN TYP MAX UNIT Note 9 9 o clock 60 70 5 iewi 0 3 o clock 60 70 Mrd angle R degree 2 CR210 er 12 o clock 40 50 Op 6 o clock 60 70 s T 10 20 msec Response Time A 3 T 15 30 msec Contrast ratio CR 400 500 Wx Normal feel 0 31 026 y 4 Color chromaticlty gt 0 0 Wy 0 28 0 33 0 38 Luminance L 250 cd m 4 Luminance uniformity Yu 70 15 Yo 4 Note 1 Definition of Contrast Ratio
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