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URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 1 of 12 LM240160DCW LCD Module User Manual Prepared by: Dong Checked by: Approved by: Date: 2018-01-08 Date: Date: Rev. Descriptions Release Date
0.1 Prelimiay release 2009-06-26
0.2 Update Absolute Maximum Ratngs 2018-01-08
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 2 of 12 Table of Content
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 3 of 12 1. Basic Specifications
1.1 Display Specifications
1) LCD Display Mode : FSTN, Possitive, Transmissive 2) Display Color : Display Data = “1” : Dark Gray (*1) : Display Data = “0” : Light Gray (*2) 3) Viewing Angle : 6H 4) Driving Method : 1/160 duty, 1/12 bias 5) Back Light : White LED backlight Note: *1. Color tone may slightly change by Temperature and Driving Condition. *2. The Color is defined as the inactive / background color *3. Fine Contrast adjustment function is necessary in the application design for optimal display result
1.2 Mechanical Specifications
1) Outline Dimension : 92.7 x 72.0 x 9.05MAX (See attached Outline Drawing for details)
1.3 Block Diagram
/CS, /RST DB0 ~ DB7 ST7529 or equivalent COM80 COM159 SEG0 SEG239 COM79 COM0 RS, /WR, /RD BLA VDD Back Light Circuit
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 4 of 12
1.4 Terminal Functions
Pin No. Pin Name I/O Descriptions
1 VDD Power Positive Power Supply
2 VSS Power 0V Supply, Ground (0V)
/CS=LOW : Data IO is enabled
4 RS Input Register Select
RS=HIGH: data on DB0 to DB7 is display data RS=LOW: data on DB0 to DB7 is control data 5 /WR Input Write enable input, active LOW 6 /RD Input Read enable input, active LOW
7 DB0
: :
14 DB7
I/O Bi-directional data bus: 15 /RST Input Reset: /RST=LOW: Initialization is executed /RST=HIGH: Normal
16 BLA Power Backlight Positive Power Supply
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 5 of 12 2. Absolute Maximum Ratings Items Symbol Min. Max. Unit Condition Supply Voltage V DD -0.3 +4.0 V V SS = 0V Input Voltage V IN -0.3 V DD+0.3 V V SS = 0V Operating Temperature T OP -25 +85 C No Condensation Storage Temperature T ST -30 +85 C No Condensation Cautions: 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. 3. Electrical Characteristics
3.1 DC Characteristics
VSS=0V, VDD=3.3V, TOP=25C Items Symbol MIN. TYP MAX. Unit Condition / Application Pin Operating Voltage V DD 3.1 3.3 3.6 V VDD Input High Voltage V IH 0.8xV DD - V DD V Input Low Voltage V IL 0 - 0.2xV DD V /RST, /CS, RS, /WR, /RD, DB0~DB7 Operating Current I DD - 1.5 7.0 mA VDD
3.2 LED Backlight Circuit Characteristics
VSS=0V, IfBLA=60mA, TOP=25C Items Symbol MIN. TYP. MAX. Unit Applicable Pin Forward Voltage Vf BLA - 3.3 - V VLED- Forward Current If BLA - 85 110 mA VLED- Cautions: Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime. VSS BLA No. of LED = 5pcs
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 6 of 12
3.3 AC Characteristics
3.3.1 8080 Mode System Bus Timing VSS=0V, VDD=3.3V, TOP=25C Item Symbol MIN. TYP. MAX. Unit System cycle time tcyc8 285 - - ns Address setup time (A0) taw8 29 - - ns Address hold time (A0) tah8 29 - - ns Control LOW pulse width (/WR) tcclw 143 - - ns Control LOW pulse width (/RD) tcclr 143 - - ns Control HIGH pulse width (/WR) tcchw 143 - - ns Control HIGH pulse width (/RD) tcchr 143 - - ns Data setup time tds8 100 - - ns Data hold time tdh8 29 - - ns /RD access time (*2) tacc8 - - 57 ns Output disable time (*2) tch8 - - 38 ns Note: *1. Input signal rise/fall time should be less than 12ns *2. CL=100pF
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 7 of 12 3.3.2 6800 Mode System Bus Timing VSS=0V, VDD=3.3V, TOP=25C Item Symbol MIN. TYP. MAX. Unit System cycle time tcyc6 285 - - ns Address setup time taw6 29 - - ns Address hold time tah6 29 - - ns Enable High pulse width (Read) tewhr 143 - - ns Enable High pulse width (Write) tewhw 143 - - ns Enable Low pulse width (Read) tewlr 143 - - ns Enable Low pulse width (Write) tewlw 143 - - ns Data setup time tds6 214 - - ns Data hold time tdh6 20 - - ns Output disable time (*2) toh6 - - 43 ns Access time (*2) tacc6 - - 57 ns Note: *1. Input signal rise/fall time should be less than 12ns *2. CL=100pF
3.3.3 Reset Timing
VSS=0V, VDD=3.3V, TOP=25C Item Symbol MIN. TYP. MAX. Unit Reset time tr - - 2 μs Reset LOW pulse width trw 2 - - μs Note: *1. Input signal rise/fall time should be less than 12ns
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 8 of 12 4. Function Specifications
4.1 Adjusting the Display Contrast
- This LCD module equipped with latest digital contrast adjustment function. Its display contrast could be adjusted by MCU command. (Please see the command tables for details) - It is recommended to provide a contrast adjustment interface for end-user, where the best display result could meet the individual preference in mass production.
4.2 Basic Setting
To drive the LCD module correctly and provide normally display, please use the following setting - Internal Oscillator = ON - DC-DC Booster (VB)= ON - Voltage Follower (VF) = ON - Reference Voltage (VR) = ON - Clock Divider (CL) = ½ - Driver duty = 1/160 - FI = 0 - FR Inverse-Set Value (LF) = 0 - COMMON Scan Mode = 001(binary) - Direction of the Line Address (LI) = Inverse - Direction of the Column Address (CL) = Normal - Address-scan direction (C/L) = column direction - P1, P2, P3 arrangement (CLR) = Normal (P1, P2, P3) - Gray Scale Display Mode = 3Bit per 3Pixel mode - OSC Frequency = 19.3kHz - Booster Efficiency Set = 00(binary) - LCD Bias Set = 1/12 - Display ON/OFF = ON Note: *1. These setting/commands should issue the LCD module while start up. *2. See the Display Commands section for details.
4.3 Resetting the LCD module
The LCD module should be initialized by using /RST terminal. While turning on the VDD and VSS power supply, maintain /RST terminal at LOW level. After the power supply stabilized, release the reset terminal (/RST=HIGH)
4.4 Display Memory Map
0,0 (P1) 1,0 (P2) 2,0 (P3) 3,0 (P1) 4,0 (P2) 236,0 (P3) 237,0 (P1) 238,0 (P2) 239,0 (P3) 0,1 (P1) 1,1 (P2) 2,1 (P3) 3,1 (P1) 4,1 (P2) 236,1 (P3) 237,1 (P1) 238,1 (P2) 239,1 (P3) 0,2 (P1) 1,2 (P2) 2,2 (P3) 3,2 (P1) 4,2 (P2) 236,2 (P3) 237,2 (P1) 238,2 (P2) 239,2 (P3) 0,157 (P1) 1,157 (P2) 2,157 (P3) 3,157 (P1) 4,157 (P2) 236,157 (P3) 237,157 (P1) 238,157 (P2) 239,157 (P3) 0,158 (P1) 1,158 (P2) 2,158 (P3) 3,158 (P1) 4,158 (P2) 236,158 (P3) 237,158 (P1) 238,158 (P2) 239,158 (P3) 0,159 (P1) 1,159 (P2) 2,159 (P3) 3,159 (P1) 4,159 (P2) 236,159 (P3) 237,159 (P1) 238,159 (P2) 239,159 (P3) Pixel mapping (Top View) Based on the top view of the LCD module, X = COLUMN, Y = Line 0, 0 (x, y) pixel is the upper-left pixel; 239, 159 (x, y) pixel is the lower-right pixel. Note: *1. Based on the Basic Setting
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4.5 Commands
4.5.1 EXT select Commands
/RD /WR D0 HEX Descriptions Ext=0 - 0 1 0 00 1 1 00003 0 Set Ext=0 Ext=1 - 0 1 0 00 1 1 00013 1 Set Ext=1
4.5.2 EXT=0 Commands
/RD /WR D0 HEX Descriptions DISON - 0 1 0 10 1 0 1111A F Display ON DISOFF - 0 1 0 10 1 0 1110A E Display OFF DISNOR - 0 1 0 10 1 0 0110A 6 Normal Display DISINV - 0 1 0 10 1 0 0111A 7 Inverse Display COMSCN - 0 1 0 10 1 1 1011B B COM Scan Direction (with 1 parameter) PB1 1 1 0 * * * * * CD2 CD1 CD0 ** 000: C0C79, C80C159 001: C0C79, C159C80 010: C79C0, C80C159 011: C79C0, C159C80 DISCTRL - 0 1 0 11 0 0 1010C A Display Control (with 3 parameter) PB1 1 1 0 * * * 0 0 CLD 0 0 ** CLD=0: CLOCK no division, CD=1: CLOCK divide by 2 PB2 1 1 0 * * DT5 DT4 DT3 DT2 DT1 DT0 ** DT= (duty no/4 - 1) PB3 1 1 0 * * * FI LF3 LF2 LF1 LF0 FI=inversion type, LF=n-line inversion SLPIN - 0 1 0 10 0 1 01019 5 Sleep In SLPOUT - 0 1 0 10 0 1 01009 4 Sleep Out LASET - 0 1 0 01 1 1 01017 5 Line Address Set (with 2 Parameter) PB1 1 1 0 SL7 SL6 SL5 SL4 SL3 SL2 SL1 SL0 Start Line PB2 1 1 0 EL7 EL6 EL5 EL4 EL3 EL2 EL1 EL0 End Line CASET - 0 1 0 00 0 1 01011 5 Column Address Set (with 2 Parameter) PB1 1 1 0 SC7 SC6 SC5 SC4 SC3 SC2 SC1 SC0 Start Column PB2 1 1 0 EC7 EC6 EC5 EC4 EC3 EC2 EC1 EC0 ** End Column DATSDR - 0 1 0 10 1 1 1100B C Data Scan Direction (with 3 Parameter) PB1 1 1 0 * * * * * C/L CI LI ** Address Scan Direction, C/L=0: column dir; C/L=1: line dir Column Address Direction, CI=0: normal; CI=1: reverse Line Address Direction, LI=0: normal; LI=1: inverse PB2 1 1 0 * * * * * * * CLR ** Pixel arrangement, CLR=0: P1, P2, P3…. CLR=1: P3, P2, P1… PB3 1 1 0 * * * * * GS2 GS1 GS0 GS=001: 32 Gray Scale 2byte 3pixel mode GS=010: 32 Gray Scale 3byte 3pixel mode RAMWR - 0 1 0 01 0 1 11005 C Writing to Memory (with data) Data 1 1 0 Data to be Write Data to be Write : : : : : : RAMRD - 0 1 0 01 0 1 11015 D Reading from Memory (with data) Data 1 0 1 Data to be Read ** Data to be Read : : : : : : PTLIN - 0 1 0 10 1 0 1000A 8 Partial Display In (with 2 parameter) PB1 1 1 0 * * PTS5 PTS4 PTS3 PTS2 PTS1 PTS0 ** Start Block Address PB2 1 1 0 * * PTE5 PTE4 PTE3 PTE2 PTE1 PTE0 ** End Block Address PTLOUT - 0 1 0 10 1 0 1001A 9 Partial Display Out RMWIN - 0 1 0 11 1 0 0000E 0 Read and Modify Write RMWOUT - 0 1 0 11 1 0 1110E E Read and Modify Write End ASCSET - 0 1 0 10 1 0 1010A A Area Scroll Set (with 4 parameter) PB1 1 1 0 * * TB5 TB4 TB3 TB2 TB1 TB0 ** Top Block Address PB2 1 1 0 * * BB5 BB4 BB3 BB2 BB1 BB0 ** Bottom Block Address PB3 1 1 0 * * NSB5 NSB4 NSB3 NSB2 NSB1 NSB0 ** Number of Specified Blocks PB4 1 1 0 * * * * * * SCM1 SCM0 ** Area Scroll Mode, 00=Center Mode 01=Top Mode 10=Bottom Mode 11=Whole Mode SCSTART - 0 1 0 10 1 0 1011A B Scroll Start Set (with 1 parameter) PB1 1 1 0 * * SB5 SB4 SB3 SB2 SB1 SB0 ** Start Block Address OSCON - 0 1 0 11 0 1 0001D 1 Internal OSC On OSCOFF - 0 1 0 11 0 1 0010D 2 Internal OSC Off PWRCTRL - 0 1 0 00 1 0 00002 0 Power Control (with 1 parameter) PB1 1 1 0 * * * 0 VB 0 VF VR ** VR=1: Reference Voltage ON VF=1: Voltage Follower ON VB=1: Booster ON
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4.5.3 EXT=0 Commands (continue)
/RD /WR D0 HEX Descriptions VOLCTRL - 0 1 0 10 0 0 00018 1 EC control (with 2 parameter) PB1 1 1 0 * * VPR5 VPR4 VPR3 VPR2 VPR1 VPR0 ** VPR[5:0] PB2 1 1 0 * * * * * VPR8 VPR7 BPR6 VPR[8:6] VOLUP - 0 1 0 11 0 1 0110D 6 EC increase 1 VOLDOWN - 0 1 0 11 0 1 0111D 7 EC decrease1 RESERVED - 0 1 0 10 0 0 00108 2 Not Use EPSRRD1 - 0 1 0 01 1 1 11007 C Read Register1 EPSRRD2 - 0 1 0 01 1 1 11017 D Read Register2 NOP - 0 1 0 00 1 0 01012 5 NOP Instruction STREAD - 0 0 1 Status Status Read D7=Area Scroll Mode (SCM1) D6=Area Scroll Mode (SCM0) D5=1:PMW IN; D5=0:PMW OUT D4=1:Line Scan Dir; D4=0:Column Scan Dir D3=1:Display On; D3=0:Display Off D2=1:EEPROM In Access; D2=0:EEPROM Out Access D1=1:Display Normal; D1=0:Display Inverse D0=1:Partial Display On; D0=0:Partial Display Off EPINT - 0 1 0 00 0 0 01110 7 Initial code (with 1 parameter) PB1 1 1 0 00 0 1 10011 9
4.5.4 EXT=1 Commands
/RD /WR D0 HEX Descriptions Gray1 Set - 0 1 0 0 0 1 0 0 0 0 0 20 Odd Frame Gray PWM Set (with 16 parameter) PB1 1 1 0 * * * G0F14 G0F13 G0F12 G0F11 G0F10 ** Set Gray Level 0 at Odd Frames PB16 1 1 0 * * * G15F14 G15F13 G15F12 G15F11 G15F10 ** Set Gray level 15 at Odd Frames Gray2 Set - 0 1 0 0 0 1 0 0 0 0 1 21 Even Frame Gray PWM Set (with 16 parameter) PB1 1 1 0 * * * G0F24 G0F23 G0F22 G0F21 G0F20 ** Set Gray Level 0 at Even Frames PB16 1 1 0 * * * G15F24 G15F23 G15F22 G15F21 G15F20 ** Set Gray Level 15 at Even Frames ANASET - 0 1 0 0 0 1 1 0 0 1 0 32 Analog Circuit Set (with 3 parameter) PB1 1 1 0 * * * * * OSF2 OSF1 OSF0 ** OSC Frequency Adjustment 000=12.7kHz, 100=13.2kHz, 010=14.3kHz, 110=15.7kHz, 001=17.3kHz, 101=19.3kHz 011=21.9kHz, 111=25.4kHz PB2 1 1 0 * * * * * * BE1 BE0 ** Booster Efficiency Set 00=3kHz, 01=6kHz, 10=12kHz, 11=24kHz PB3 1 1 0 * * * * * BS2 BS1 BS0 Bias Set 000=1/14bias, 001=1/13bias, 010=1/12bias, 011=1/11bias, 100=1/10bias, 101=1/9bias, 110=1/7bias, 111=1/5bias SWINT - 0 1 0 0 0 1 1 0 1 0 0 34 Software Initial EPCTIN - 0 1 0 1 1 0 0 1 1 0 1 CD Control EEPROM (with 1 parameter) PB1 1 1 0 0 0 EEWR 0 0 0 0 0 EEW=1, EEPROM Write Enable EEW=0, EEPROM Read Enable EPCOUT - 0 1 0 1 1 0 0 1 1 0 0 CC Cancel EEPROM EPMWR - 0 1 0 1 1 1 1 1 1 0 0 FC Write to EEPROM EPMRD - 0 1 0 1 1 1 1 1 1 0 1 FD Read from EEPROM Note: Please refer to ST7529 datasheet for details
4.5.5 Power off the LCD Module
It recommends that enter sleep mode before power off the LCD module.
4.5.6 Refreshing The LCD Module
It recommends that the operating modes and display contents be refreshed periodically to prevent the effect of unexpected noise.
4.5.7 Using Read EEPROM function for contrast
It recommends to use EPMRD function to ensure the contrast consistencyin batch. Please refer to ST7529 datasheet for the details of operation.
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4.6 Basic Operating Sequence (example)
The following setting should be issue to LCD module after hardware reset. (It is an example only; it could be adjusted if necessary.) Command Para- meter /RD /WR D0 HEX Descriptions Hard Reset - - - - - - - - - - - - - Hardware Reset by pulling the /RST pin to low Delay - - - - - - - - - - - - - Wait until Reset Routine to be finish Ext=0 - 0 1 0 00 1 1 00003 0 Set Ext=0 SLPOUT - 0 1 0 10 0 1 01009 4 Sleep Out OSCON - 0 1 0 11 0 1 0001D 1 Internal OSC On PWRCTRL - 0 1 0 00 1 0 00002 0 Power Control (with 1 parameter) PB1 1 1 0 0 0 0 0 1 00 0 08 Booster ON Delay - - - - - - - - - - - - - Wait for booster fully on PWRCTRL - 0 1 0 00 1 0 00002 0 Power Control (with 1 parameter) PB1 1 1 0 0 0 0 0 1 0110 B Booster ON, Reference Voltage ON, Voltage Follower ON VOLCTRL - 0 1 0 10 0 0 00018 1 EC control (with 2 parameter) PB1 1 1 0 00 0 0 11110 F VPR=040F PB2 1 1 0 00 0 0 01000 4 DISCTRL - 0 1 0 11 0 0 1010C A Display Control (with 3 parameter) PB1 1 1 0 00 0 0 01000 4 CLD=0: CLOCK no division, CD=1: CLOCK divide by 2 PB2 1 1 0 00 1 0 01112 7 DT= (duty no/4 - 1) PB3 1 1 0 00 0 0 00000 0 FI=0, LF=0 COMSCN - 0 1 0 10 1 1 1011B B COM Scan Direction (with 1 parameter) PB1 1 1 0 00 0 0 00010 1 001: C0C79, C159C80 DATSDR - 0 1 0 10 1 1 1100B C Data Scan Direction (with 3 Parameter) PB1 1 1 0 00 0 0 00010 1 C/L=0, Address Scan Direction by column CI=0, Column Address Direction is normal LI=1, Line Address Direction is inverse PB2 1 1 0 00 0 0 00000 0 CLR=0: Pixel arrangement are P1, P2, P3…. PB3 1 1 0 00 0 0 00100 2 GS=010: 32 Gray Scale 3byte 3pixel mode Ext=1 - 0 1 0 00 1 1 00013 1 Set Ext=1 ANASET - 0 1 0 00 1 1 00103 2 Analog Circuit Set (with 3 parameter) PB1 1 1 0 00 0 0 01010 5 OSF=101, OSC Frequency Adjustment101=19.3kHz PB2 1 1 0 00 0 0 00000 0 BE=00, Booster Efficiency Set 3kHz PB3 1 1 0 00 0 0 00100 2 BS=010, Bias Set 1/12bias Ext=0 - 0 1 0 00 1 1 00003 0 Set Ext=0 INITIAL CODE1 - 0 1 0 00 0 0 01110 7 Generate ACK PB1 1 1 0 00 0 1 10011 9 Read for use ACK funtion Ext=1 - 0 1 0 00 1 1 00013 1 Set Ext=1 CONTROL EEPROM - 0 1 0 11 0 0 1101C D PB1 1 1 0 00 0 0 00000 0 Enable EEPROM delay 100ms READ EEPROM - 0 1 0 11 1 1 1101F D Read data from EEPROM delay 100ms CANEL EEPROM - 0 1 0 11 0 0 1100C C Canel operation EEPROM CANEL EEPROM - 0 1 0 11 0 0 1100C C Canel operation EEPROM Ext=0 - 0 1 0 00 1 1 00003 0 Set Ext=0 DISON - 0 1 0 10 1 0 1111A F Display ON CASET - 0 1 0 00 0 1 01011 5 Column Address Set (with 2 Parameter) PB1 1 1 0 00 0 0 00000 0 Start at 00 PB2 1 1 0 01 0 0 11114 F End at (240/3)-1=79 LASET - 0 1 0 01 1 1 01017 5 Line Address Set (with 2 Parameter) PB1 1 1 0 00 0 0 00000 0 Start at 00 PB2 1 1 0 10 0 1 11119 F End at 160-1=159 RAMWR - 0 1 0 01 0 1 11005 C Writing to Memory (with data) Data 1 1 0 Data to be Write ** Display Data to be Write : : : : : : : Note: Please refer to ST7529 datasheet for details
TOPWAY LCD Module User Manual LM240160DCW-C URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM240160DCW-Manual-Rev0.2.DOC Page: 12 of 12 5. Design and Handling Precaution 1. The LCD panel is made by glass. Any mechanical shock (eg. dropping form high place) will damage the LCD module. 2. Do not add excessive force on the surface of the display, which may cause the Display color change abnormally. 3. The polarizer on the LCD is easily get scratched. If possible, do not remove the LCD protective film until the last step of installation. 4. Never attempt to disassemble or rework the LCD module. 5. Only Clean the LCD with Isopropyl Alcohol or Ethyl Alcohol. Other solvents (eg. water) may damage the LCD. 6. When mounting the LCD module, make sure that it is free form twisting, warping and distortion. 7. Ensure to provide enough space (with cushion) between case and LCD panel to prevent external force adding on it, or it may cause damage to the LCD or degrade the display result. 8. Only hold the LCD module by its side. Never hold LCD module by add force on the heat seal or TAB. 9. Never add force to component of the LCD module. It may cause invisible damage or degrade of the reliability. 10. LCD module could be easily damaged by static electricity. Be careful to maintain an optimum anti-static work environment to protect the LCD module. 11. When peeling off the protective film from LCD, static charge may cause abnormal display pattern. It is normal and will resume to normal in a short while. 12. Take care and prevent get hurt by the LCD panel sharp edge. 13. Never operate the LCD module exceed the absolute maximum ratings. 14. Keep the signal line as short as possible to prevent noisy signal applying to LCD module. 15. Never apply signal to the LCD module without power supply. 16. IC chip (eg. TAB or COG) is sensitive to the light. Strong lighting environment could possibly cause malfunction. Light sealing structure casing is recommend. 17. LCD module reliability may be reduced by temperature shock. 18. When storing the LCD module, avoid exposure to the direct sunlight, high humidity, high temperature or low temperature. They may damage or degrade the LCD module