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SPECIFICATIONS FOR LCD MODULE
CUSTOMER CUSTOMER PART NO. AMPIRE PART NO. APPROVED DATE
Approved For Specifications Approved For Specifications & Sample AMPIRE CO., LTD. 2F., No.88, Sec. 1, Sintai 5th Rd., Sijhih City, Taipei County 221, Taiwan (R.O.C.) 88 2 ( D ) TEL:886-2-26967269 , FAX:886-2-26967196 or 26967270 APPROVED BY CHECKED BY ORGANIZED BY
AM-640480G2TNQW-TW0H
BY
Date : 2009/10/20
AMPIRE CO., LTD.
1
RECORD
Revision Date Page
2009/0703 2009/08/18 2009/10/20 6 7
OF
REVISION
Contents
New Release
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Editor
Emil Emil Emil
Correct the pin definition of touch panel Correct the LCM brightness to 400nit.
Date : 2009/10/20
AMPIRE CO., LTD.
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1 Features
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5.7 inch Amorphous-TFT-LCD (Thin Film Transistor Liquid Crystal Display) module. This module is composed of a 5".7 TFT-LCD panel, LCD controller, power driver circuit, Touch panel, LED driver circuit and backlight unit. 1.1 TFT Panel Feature : (1) Construction: 5.7" a-Si color TFT-LCD, White LED Backlight and PCB. (2) Resolution (pixel): 640(R.G.B) X480 (3) Number of the Colors : Real 262K colors ( R , G , B 6 bit digital each) (4) LCD type : 12'clock Transmissive Color TFT LCD ( normally White) (5) Interface: 40 pin pitch 0.5 FFC (6) Power Supply Voltage: 3.3V . Built-in power supply circuit. (7) Backlight supply voltage : 5.0V 1.2 LCD Controller Feature: (1) MCU interface: i80/M68 series MCU interface (default: i80 series). (2) Pixel data format: 8, 9, 16 and 18 bit. (3) Display RAM size: Built-in 1215K bytes frame buffer. Support up to 864 x 480 at 24bpp display. (4) Arbitrary display memory starts position selection. (5) 16 bit interface support 65K (R5 G6 B5) Color.
2 Physical specifications
Item Display resolution(dot) Active area Screen size Pixel size Color configuration Overall dimension Weight Backlight unit Specifications 640x(RGB)(W) x 480(H) 115.2(W) x 86.4(H) 5.7(Diagonal) 60.5 (W) x 181.5 (H) R.G.B stripe
127.0(W)x98.43(H) x 9.9(D)Max
Unit dot mm inch um mm g
105 LED
Date : 2009/10/20
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3 Electrical specification
3.1 Absolute max. ratings 3.1.1 Electrical Absolute max. ratings Item Power voltage Input voltege Symbol Condition VDD VBin
B
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Min. -0.3 -0.3
Max. 4.6 VDD+0.3
Unit V V
Remark
VSS=0
Note 1
Note1: /CS,/WR,/RD,RS,DB0~DB17 3.1.2 Environmental Absolute max. ratings OPERATING STORAGE Item MIN MAX MIN MAX Temperature Humidity Corrosive Gas -20 Note1 Not Acceptable 70 -30 Note1 Not Acceptable 80
Remark Note2,3,4,5,6,7
Note1 : Ta <= 40 : 85% RH max Ta > 40 : Absolute humidity must be lower than the humidity of 85%RH at 40 Note2 : For storage condition Ta at -30 < 48h , at 80 < 100h For operating condition Ta at -20 < 100h Note3 : Background color changes slightly depending on ambient temperature. This phenomenon is reversible. Note4 : The response time will be slower at low temperature. Note5 : Only operation is guarantied at operating temperature. Contrast , response time, another display quality are evaluated at +25 Note6 : LED BL : When LCM is operated over 40 ambient temperature, the IBLED of the LED back-light should be follow :
B
Allowable Forward Current IF (mA)
150 120 90 60 30 -20 -10 0 10 20 30 40 50 60 70
Ambient Temperature Ta ()
Note7 : This is panel surface temperature, not ambient temperature. Note8 : LED BL: When LCM be operated over than 40, the life time of the LED back-light will be reduced.
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3.2 Electrical characteristics
3.2.1 DC Electrical characteristic of the LCD Typical operting conditions (VSS=0V) Symbol Min. Typ. Item Power supply Input Voltage for logic H Level L Level VDD VBIH VBIL
B
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Max. 4 VDD 0.3 VDD -
Unit V V V mA
Remark
3.0 0.7 VDD VSS -
3.3 --80
Note 1 Note 2
B
Power Supply current
IDD
Note 1: /CS,/WR,/RD,RS,DB0~DB17 Note 2: fV =60Hz , Ta=25 , Display pattern : All Black *:Will be reference only 3.2.2 Electrical characteristic of LED Back-light Paramenter Symbol Min. Typ. Max. Unit LED voltage LED forward current LED DRIVER current VAK ILED IDLED 9.0 ---120 220 10.5 140 -V mA mA
Condiction ILED =120mA,Ta=25 Ta=25 VLED=5V
The constant current source is needed for white LED back-light driving. When LCM is operated over 60 ambient temperature, the IBLED of the LED
B
back-light should be adjusted to 15mA max(For one dice LED).
Date : 2009/10/20
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3.2.3 Touch Panel Electrical Specification Parameter Terminal Resistance Insulating Resistance Linearity Pen writing Durability Input life by finger Note A . Writing length 35 mm. Writing speed: 300mm/sec. Shape of pen end : R0.8 Load : 250 g Note B By Silicon rubber tapping at same point Shape of rubber end : R8 Load : 200g Frequency : 5 Hz Interface No. 1 2 3 4 Symbol YU XL YD XR Function Touch Panel Top Signal Touch Panel Left Signal Touch Panel Bottom Signal Touch Panel Right Signal Condition X Axis Y Axis DC 25 V -Note a Note b Standard Value 340 ~ 1090 180 ~ 470 More than 20M 1.5 % 100,000 times(min) 1,000,000 times (min)
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4 Optical specification 4.1 Optical characteristic:
Item Contrast ratio Luminance Luminance Uniformity Response Time ( White - Black ) Viewing Angle
Vertical
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Symbol CR Lw L Tr +Tf Rx Ry Gx Gy Bx By Wx Wy
Condition
Min. 200 -70 --
Typ. 250 400 75 50 100 140 0.616 0.352 0.358 0.568 0.146 0.136 0.346 0.378
Max. --0.666 0.402 0.408 0.618 0.196 0.186 0.396 0.428
Unit -cd/m2
Note (1)(2)(3)
ILED=140mA
Point - 5 ==0
% ms Deg.
(1)(3) (1)(3) (1)(3)(5) (1)(2)(4)
Horizontal
Red Green Blue White
CR10 Point - 5
80 120 0.566 0.302 0.308 0.518 0.096 0.086 0.296 0.328
Color chromaticity
Point - 5 ==0
--
(1)(3)
NOTE : (1) Measure conditions : 252 , 6010%RH under 10Lux , in the dark room by BM-7TOPCON) ,viewing 2 , VCC=3.3V , VDD=3.3V
(2) Definition of Contrast Ratio : Contrast Ratio (CR) = (White) Luminance of ON / (Black) Luminance of OFF (3) Definition of Luminance : Definition of Luminance Uniformity Measure white luminance on the point 5 as figure9-1 Measure white luminance on the point 1 ~ 9 as figure9-1 L = [ L(MIN) / L(MAX)] X 100%
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(4) Definition of Viewing Angle(,), refer to Fig9-2 as below :
(5) Definition of Response Time.(White - Black)
Date : 2009/10/20
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5 Interface specifications
Pin no 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 31 32 33 34 35-37 38-40 Symbol DGND VLED NC /RESET RS /CS /WR /RD DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16 DB17 NC DGND NC NC NC NC NC VDD DGND I/O - GND I I I I Description
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Remark
LED Power input (5V) No connection Reset signal for TFT LCD controller. Register and Data select for TFT LCD controller. Chip select low active signal for TFT LCD controller. 80mode: /WR low active signal for TFT LCD controller. I 68mode: E signal latch on rising edge. 80mode: /RD low active signal for TFT LCD controller. I 68mode: R/W signal Hi: read, Lo: write. I I I I I I I I I Data bus. I I I I I I I I I - No connection. - GND - No connection. - No connection. - No connection. - No connection. - No connection. - Power supply for the logic (3.3V). - GND.
Date : 2009/10/20
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6 NBLOCK DIAGRAM
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640 xRGBx480
VCOM DC/DC Gate Driver Circuit Power Supply Circuit
Driving Circuit
TFT Panel
DCLK
VS HS DE
R6 G6 B6
Output control SRAM PLL
4
/CSLCD SDI SCK /RESET
MCU
Power circuit
SRAM control Input control
OSC TFT LCD controller
LED Driver
PCB circuit
Date : 2009/10/20
VDD VSS /RESET /WR (E) /RD(R/W) /CS RS DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16 DB17
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7 Interface Protocol 7.1 M68 Series
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6800 Mode Timing Diagram (Use CS# as Clock)
6800 Mode Timing Diagram (Use E as Clock)
Date : 2009/10/20
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7.2 i80 Series
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7.3 Data transfer order Setting
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8
Command Table
Command nop soft_reset get_power_mode get_address_mode get_pixel_format get_display_mode get_signal_mode enter_sleep_mode
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Hex Code 0x 00 0x 01 0x 0A 0x 0B 0x 0C 0x 0D 0x 0E 0x 10
0x 11
exit_sleep_mode
0x 12 0x 13 0x 20 0x 21 0x 26 0x 28 0x 29 0x 2A 0x 2B 0x 2C
enter_partial_mode enter_normal_mode exit_invert_mode enter_invert_mode set_gamma_curve set_display_off set_display_on set_column_address set_page_address write_memory_start
0x 2E
read_memory_start
0x 30 0x 33 0x 34 0x 35 0x 36 0x 37 0x 38 0x 39 0x 3A 0x 3C 0x 3E 0x 44 0x 45 0x A1 0x B0 0x B1 0x B4 0x B5 0x B6 0x B7 0x B8
set_partial_area set_scroll_area set_tear_off set_tear_on set_address_mode set_scroll_start exit_idle_mode enter_idle_mode set_pixel_format write_memory_continue read_memory_continue set_tear_scanline get_scanline read_ddb set_lcd_mode_pad_size get_lcd_mode_pad_size set_hori_period get_hori_period set_vert_period get_vert_period set_gpio_conf
Description No operation Software Reset Get the current power mode Get the frame memory to the display panel read order Get the current pixel format The display module returns the Display Signal Mode. Get the current display mode from the peripheral Turn off the panel. This command will pull low the GPIO0. If GPIO0 is configured as normal GPIO or LCD miscellaneous signal with command set_gpio_conf, this command will be ignored. Turn on the panel. This command will pull high the GPIO0. If GPIO0 is configured as normal GPIO or LCD miscellaneous signal with command set_gpio_conf, this command will be ignored. Part of the display area is used for image display. The whole display area is used for image display. Displayed image colors are not inverted. Displayed image colors are inverted. Selects the gamma curve used by the display device. Blanks the display device. Show the image on the display device. Set the column extent. Set the page extent. Transfer image information from the host processor interface to the peripheral starting at the location provided by set_column_address and set_page_address. Transfer image data from the peripheral to the host processor interface starting at the location provided by set_column_address and set_page_address. Defines the partial display area on the display device. Defines the vertical scrolling and fixed area on display area. Synchronization information is not sent from the display module to the host processor. Synchronization information is sent from the display module to the host processor at the start of VFP. Set the read order from frame buffer to the display panel. Defines the vertical scrolling starting point. Full color depth is used for the display panel. Reduce color depth is used on the display panel. Defines how many bits per pixel are used in the interface. Transfer image information from the host processor interface to the peripheral from the last written location. Read image data from the peripheral continuing after the last read_memory_continue or read_memory_start. Synchronization information is sent from the display module to the host processor when the display device refresh reaches the provided scan line. Get the current scan line. Read the DDB from the provided location. Set the LCD panel mode (RGB TFT or TTL). Get the current LCD panel mode, pad strength and resolution. Set front porch. Get current front porch settings. Set the vertical blanking interval between last scan line and next LFRAME pulse. Set the vertical blanking interval between last scan line and next LFRAME pulse. Set the GPIO configuration.
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0x B9 0x BA 0x BB
get_gpio_conf set_gpio_value get_gpio_status
0x BC 0x BD 0x BE 0x BF 0x C0 0x C1 0x C2 0x C3 0x C4 0x C5 0x C6 0x C7 0x C8 0x C9. 0x CA 0x CB 0x CC 0x CD 0x CE 0x CF 0x D0 0x D1 0x D4 0x D5 0x E0 0x E2 0x E3 0x E4 0x E5 0x E6 0x E7 0x F0 0x F1
set_post_proc get_post_proc set_pwm_conf get_pwm_conf set_lcd_gen0 get_lcd_gen0 set_lcd_gen1 get_lcd_gen1 set_lcd_gen2 get_lcd_gen2 set_lcd_gen3 get_lcd_gen3 set_gpio0_rop get_gpio0_rop set_gpio1_rop get_gpio1_rop set_gpio2_rop get_gpio2_rop set_gpio3_rop get_gpio3_rop set_abc_dbc_conf get_abc_dbc_conf set_dbc_th get_dbc_th set_pll_start set_pll_mnk get_pll_mnk get_pll_status set_deep_sleep set_lshift_freq get_lshift_freq set_pixel_data_interface get_pixel_data_interface
If the GPIO is not used for LCD, set the direction. Otherwise, they are toggled with LCD signals. www..com Get the current GPIO configuration. Set GPIO value for GPIO configured as output. Read current GPIO status. If the individual GPIO was configured as input, the value is the status of the corresponding pin. Otherwise, it is the programmed value. Set the image post processor. Set the image post processor. Set the image post processor. Set the image post processor. Set the rise, fall, period and toggling properties of LCD signal generator 0 Get the current settings of LCD signal generator 0 Set the rise, fall, period and toggling properties of LCD signal generator 1. Get the current settings of LCD signal generator 1. Set the rise, fall, period and toggling properties of LCD signal generator 2. Get the current settings of LCD signal generator 2. Set the rise, fall, period and toggling properties of LCD signal generator 3. Get the current settings of LCD signal generator 3. Set the GPIO0 with respect to the LCD signal generators using ROP3 operation. No effect if the GPIO0 is configured as general GPIO. Get the GPIO0 properties with respect to the LCD signal generators. Set the GPIO1 with respect to the LCD signal generators using ROP3 operation. No effect if the GPIO1 is configured as general GPIO. Get the GPIO1 properties with respect to the LCD signal generators. Set the GPIO2 with respect to the LCD signal generators using ROP3 operation. No effect if the GPIO2 is configured as general GPIO. Get the GPIO2 properties with respect to the LCD signal generators. Set the GPIO3 with respect to the LCD signal generators using ROP3 operation. No effect if the GPIO3 is configured as general GPIO. Get the GPIO3 properties with respect to the LCD signal generators. Set the ambient back light and dynamic back light configuration. Get the ambient back light and current dynamic back light configuration. Set the threshold for each level of power saving. Get the threshold for each level of power saving. Start the PLL. Before the start, the system was operated with the crystal oscillator or clock input. Set the PLL. Get the PLL settings. Get the current PLL status. Set deep sleep mode. Set the LSHIFT (pixel clock) frequency. Get current LSHIFT (pixel clock) frequency setting. Set the pixel data format of the parallel host processor interface. Get the current pixel data format settings.
About the further detail, please refer the datasheet of SSD1963.
Date : 2009/10/20
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9 DISPLAYED COLOR AND INPUT DATA
Color & Gray Scale Black Red(63) Green(63) Blue(63) Cyan Magenta Yellow White Black Red(1) Red(2) : Red(31) : Red(62) Red(63) Black Green(1) Green(2) : Green(31) : Green(62) Green(63) Black Blue(1) Blue(2) : Blue(31) : Blue(62) Blue(63) DATA SIGNAL R5 0 1 0 0 0 1 1 1 0 0 0 : 0 : 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 R4 0 1 0 0 0 1 1 1 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 R3 0 1 0 0 0 1 1 1 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 R2 0 1 0 0 0 1 1 1 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 R1 0 1 0 0 0 1 1 1 0 0 1 : 1 : 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 R0 0 1 0 0 0 1 1 1 0 1 0 : 1 : 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 G5 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 1 1 0 0 0 : 0 : 0 0 G4 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 G3 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 G2 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1 0 0 0 : 0 : 0 0 G1 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 0 1 : 1 : 1 1 0 0 0 : 0 : 0 0 G0 0 0 1 0 1 0 1 1 0 0 0 : 0 : 0 0 0 1 0 : 0 : 0 1 0 0 0 : 0 : 0 0 B5 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 0 0 : 0 : 1 1 B4 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1
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Basic Color
Red
Green
Blue
B3 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1
B2 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 0 0 : 1 : 1 1
B1 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 0 1 : 1 : 1 1
B0 0 0 0 1 1 1 0 1 0 0 0 : 0 : 0 0 0 0 0 : 0 : 0 0 0 1 0 : 1 : 0 1
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10 QUALITY AND RELIABILITY
10.1 TEST CONDITIONS Tests should be conducted under the following conditions : Ambient temperature : 25 5C Humidity : 60 25% RH. 10.2 SAMPLING PLAN
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Sampling method shall be in accordance with MIL-STD-105E , level II, normal single sampling plan .
10.3 ACCEPTABLE QUALITY LEVEL A major defect is defined as one that could cause failure to or materially reduce the usability of the unit for its intended purpose. A minor defect is one that does not materially reduce the usability of the unit for its intended purpose or is an infringement from established standards and has no significant bearing on its effective use or operation. 10.4 APPEARANCE An appearance test should be conducted by human sight at approximately 30 cm distance from the LCD module under flourescent light. The inspection area of LCD panel shall be within the range of following limits.
Zone A ( Active Area) Zone B ( Viewing Area)
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10.5 INSPECTION QUALITY CRITERIA
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DEFECT TYPE
SPOT
LIMIT
0.15mm
Note
Ignore N4 N=0 N3 N=0 Ignore N2 N=0 Note1
0.15mm0.5mm
0.5mm 0.03mmNote1
VISUAL DEFECT
FIBER
INTERNAL
POLARIZER BUBBLE
Note1
Mura
It' OK if mura is slight visible through 6%ND filter A Grade B Grade
Total C Area O Area Total C Area O Area
BRIGHT DOT
Note3
N0
N2 N3 N4
N2 N3
N2 N3 N5
N3 N5 N6 N1 pair
N5 N8 N8 N1 pair
Note2
DARK DOT
ELECTRICAL DEFECT
N2
TOTAL DOT TWO ADJACENT DOT THREE OR MORE
N0
Note2 Note4
N1 pair
N1 pair
N1 pair
NOT ALLOWED ADJACENT DOT LINE DEFECT NOT ALLOWED
(1) One pixel consists of 3 sub-pixels, including R,G, and B dot.(Sub-pixel = Dot)
(2) LITTLE BRIGHT DOT ACCEPTITABLE UNDER 6 % ND-Filter
[Note1] W : Width[mm], L : Length[mm], N : Number, : Average Diameter
[Note2] Bright dot is defined through 6% transmission ND Filter as following.
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[Note3]
C Area: Center of display area C Area: Outer of display area [Note4] Judge defect dot and adjacent dot as following. Allow below (as A, B, C and D status) adjacent defect dots, including bright and dart adjacent dot. And they will be counted 2 defect dots in total quantity.
(1) The defects that are not defined above and considered to be problem shall be reviewed and discussed by both parties. (2) Defects on the Black Matrix, out of Display area, are not considered as a defect or counted.
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11 Reliability test items :
ITEM HIGH TEMPERATURE OPERATION HIGH TEMPERATURE AND HIGH HUMIDITY OPERATION HIGH TEMPERATURE STORAGE LOW TEMPERATURE OPERATION LOW TEMPERATURE STORAGE THERMAL SHOCK
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CONDITIONS 70 , 240Hrs 60 , 90%RH , 240Hrs 80 , 240Hrs -20 , 240Hrs -30 , 240Hrs -30(0.5Hr) ~80(0.5Hr) 200Cycle
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12 USE PRECAUTIONS
12.1 Handling precautions
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1) The polarizing plate may break easily so be careful when handling it. Do not touch, press or rub it with a hard-material tool like tweezers. 2) Do not touch the polarizing plate surface with bare hands so as not to make it dirty. If the surface or other related part of the polarizing plate is dirty, soak a soft cotton cloth or chamois leather in benzine and wipe off with it. Do not use chemical liquids such as acetone, toluene and isopropyl alcohol. Failure to do so may bring chemical reaction phenomena and deteriorations. 3) Remove any spit or water immediately. If it is left for hours, the suffered part may deform or decolorize. 4) If the LCD element breaks and any LC stuff leaks, do not suck or lick it. Also if LC stuff is stuck on your skin or clothing, wash thoroughly with soap and water immediately. 12.2 Installing precautions 1) The PCB has many ICs that may be damaged easily by static electricity. To prevent breaking by static electricity from the human body and clothing, earth the human body properly using the high resistance and discharge static electricity during the operation. In this case, however, the resistance value should be approx. 1M and the resistance should be placed near the human body rather than the ground surface. When the indoor space is dry, static electricity may occur easily so be careful. We recommend the indoor space should be kept with humidity of 60% or more. When a soldering iron or other similar tool is used for assembly, be sure to earth it. 2) When installing the module and ICs, do not bend or twist them. Failure to do so may crack LC element and cause circuit failure. 3) To protect LC element, especially polarizing plate, use a transparent protective plate (e.g., acrylic plate, glass etc) for the product case. 4) Do not use an adhesive like a both-side adhesive tape to make LCD surface (polarizing plate) and product case stick together. Failure to do so may cause the polarizing plate to peel off. 12.3 Storage precautions 1) Avoid a high temperature and humidity area. Keep the temperature between 0C and 35C and also the humidity under 60%. 2) Choose the dark spaces where the product is not exposed to direct sunlight or fluorescent light. 3) Store the products as they are put in the boxes provided from us or in the
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same conditions as we recommend. 12.4 Operating precautions
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1) Do not boost the applied drive voltage abnormally. Failure to do so may break ICs. When applying power voltage, check the electrical features beforehand and be careful. Always turn off the power to the LC module controller before removing or inserting the LC module input connector. If the input connector is removed or inserted while the power is turned on, the LC module internal circuit may break. 2) The display response may be late if the operating temperature is under the normal standard, and the display may be out of order if it is above the normal standard. But this is not a failure; this will be restored if it is within the normal standard. 3) The LCD contrast varies depending on the visual angle, ambient temperature, power voltage etc. Obtain the optimum contrast by adjusting the LC dive voltage. 4) When carrying out the test, do not take the module out of the low-temperature space suddenly. Failure to do so will cause the module condensing, leading to malfunctions. 5) Make certain that each signal noise level is within the standard (L level: 0.2Vdd or less and H level: 0.8Vdd or more) even if the module has functioned properly. If it is beyond the standard, the module may often malfunction. In addition, always connect the module when making noise level measurements. 6) The CMOS ICs are incorporated in the module and the pull-up and pull-down function is not adopted for the input so avoid putting the input signal open while the power is ON. 7) The characteristic of the semiconductor element changes when it is exposed to light emissions, therefore ICs on the LCD may malfunction if they receive light emissions. To prevent these malfunctions, design and assemble ICs so that they are shielded from light emissions. 8) Crosstalk occurs because of characteristics of the LCD. In general, crosstalk occurs when the regularized display is maintained. Also, crosstalk is affected by the LC drive voltage. Design the contents of the display, considering crosstalk.
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12.5 Other
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1) Do not disassemble or take the LC module into pieces. The LC modules once disassembled or taken into pieces are not the guarantee articles. 2) The residual image may exist if the same display pattern is shown for hours. This residual image, however, disappears when another display pattern is shown or the drive is interrupted and left for a while. But this is not a problem on reliability. 3) AMIPRE will provide one year warrantee for all products and three months warrantee for all repairing products.
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13 OUTLINE DIMENSION 13.1 OUTLINE DIMENSION
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