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Specification
T420XW01
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Version June 2006
Note: This specification is subject to change without prior notice
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Contents
No
COVER CONTENTS RECORD OF REVISIONS 1 2 3 GENERAL DESCRIPTION ABSOLUTE MAXIMUM RATINGS ELECTRICAL SPECIFICATIONS
ITEM
3-1 3-2 3-3
ELECTRICAL CHARACTREISTICS INTERFACE CONNECTIONS SIGNAL TIMING SPECIFICATIONS
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3-4 3-5 3-6 4 5 6 6-1 6-2 7 8 SIGNAL TIMING WAVEFORMS
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COLOR INPUT DATA REFERNECE POWER SEQUENCE OPTICAL SFECIFICATIONS MECHANICAL CHARACTERISTICS INTERNATIONAL STANDARDS SAFETY EMC PACKING PRECAUTIONS
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Record of Revision
Version 1.0 Date 2005/12/23 No Old Description First release New Description Remark
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1. General Description
This specification applies to the 42 inch Color TFT-LCD Module T420XW01 V0. This LCD module has a TFT active matrix type liquid crystal panel 1366x768 pixels, and diagonal size of 42 inch. This module supports 1366x768 WXGA mode (Non-interlace). Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray scale signal for each dot. The T420XW01 V0 has been designed to apply the 8-bit 1 channel LVDS interface method. It is intended to support displays where high brightness, wide viewing angle, high color saturation, and high color depth are very important.
* General Information
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Items
Active Screen Size Display Area Outline Dimension Driver Element Display Colors Number of Pixels Pixel Arrangement Display Mode Surface Treatment
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42.02 930.25(H) x 523.01(V) 983.0(H) x 576.0(V) x 54.2(D) a-Si TFT active matrix 16.7M 1366 x 768 RGB vertical stripe Normally Black AG, 3H
Unit
inches mm mm
Note
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With inverter
Colors Pixel
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2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit. Item Logic/LCD Drive Voltage Input Voltage of Signal BLU Input Voltage
BLU Brightness Control Voltage
Symbol Vdd Vin VddB BLON TOP HOP TST HST
Min -0.3 -0.3 -0.3 -0.3 0 10 -20 10 -20
Max 14.0 3.6 27.0 6.0 +50 90 +60 90 50 1.5 60
Unit [Volt] [Volt] [Volt] [Volt] [ C] [%RH] [ C] [%RH] G G C
o o
Note 1 1 1 1 2 2 2 2 3 4 5
Operating Temperature Operating Humidity Storage Temperature Storage Humidity Shock (non-operation) Vibration (non-operation) Thermal shock Altitude test
50000feet (12Kpa)
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Note 1 : Duration = 50msec
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Note 2 : Maximum Wet-Bulb should be 39
and No condensation.
Note 3 : Half sine wave, shock level : 50G(11ms), direction : x, y, z (one time each direction) Note 4 : Wave form : random, vibration level : 1.5G RMS, Bandwidth : 10-- 300Hz Duration : X,Y,Z 30min (one time each direction) Note 5 : -20C/0.5hr ~ 60C/0.5hr, 10 cycles
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3. Electrical Specification
The T420XW01 requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and liquid crystal. The second input which powers the CCFL, is typically generated by an inverter.
3-1 Electrical Characteristics
Parameter Symbol Min LCD: Power Supply Input Voltage Power Supply Input Current Power Consumption Inrush Current LVDS Differential Input Vdd Idd Pc I RUSH VTH 10.8 12 TBD TBD 13.2 TBD +100 Vdc A Watt A mV 4 1 1 1 Values Typ Max Unit Notes
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Interface High Threshold Voltage Differential Input Low Threshold Voltage Common Input Voltage CMOS Interface Input High Threshold Voltage Input Low Threshold Voltage Backlight Power Consumption Life Time
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VTL -100 mV
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4
VICM
1.10
1.25
1.40
V
VIH (High) VIL (Low)
2.4
3.3
Vdc
0
0.7
Vdc
50000
(170) 60000
-
Watt Hours
2 3
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced by the characteristics of the DC-AC Inverter. So all the parameters of an inverter should be carefully designed so as not to produce too much leakage current from high-voltage output of the inverter. When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of the lamp and the inverter (no lighting, flicker, etc) never occurs. When you
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confirm it, the LCD Assembly should be operated in the same condition as installed in your instrument. Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to conducting tape, TFT-LCD Module have a low luminance and the inverter has abnormal action because leakage current occurs between lamp wire and conducting tape. The relative humidity must not exceed 80% non-condensing at temperatures of 40 temperatures greater than 40 , the wet bulb temperature must not exceed 39 or less. At
. When operate
at low temperatures, the brightness of CCFL will drop and the lifetime of CCFL will be reduced. Note : 1. Vdd=12.0V, fv=60Hz, fCLK=81.5 Mhz , 25 pattern 2. The lamp power consumption shown above does include loss of external inverter at 25 used lamp current is the lamp typical current 3. The life is determined as the time at which luminance of the lamp is 50% compared to that of initial value at the typical lamp current on condition of continuous operating at 25 2 . 4. VICM = 1.2V . The , Vdd Duration time= 400 s , Test pattern : white
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VTH VCIM VTL
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0V
Figure : LVDS Differential Voltage
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3-2 Interface Connections
LCD connector (CN1): FI-X30SSL-HF (JAE) or equivalent Mating connector: FI-30C2L (JAE) or equivalent
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Pin No 1 2 3 4 5 6 7 8 9 10 11 12
Symbol VCC VCC VCC VCC GND GND GND GND LVDS Option Reserved GND RXIN0RXIN0+ GND RXIN1RXIN1+ GND RXIN2RXIN2+ GND RXCLKINRXCLKIN+ GND RXIN3RXIN3+ GND Reserved Reserved GND GND
Description +12V, DC, Regulated +12V, DC, Regulated +12V, DC, Regulated +12V, DC, Regulated Ground and Signal Return Ground and Signal Return Ground and Signal Return Ground and Signal Return Low/Open for Normal (NS), High for JEIDA Open or High Ground and Signal Return for LVDS LVDS Channel 0 negative .com LVDS Channel 0 positive Ground and Signal Return for LVDS LVDS Channel 1 negative LVDS Channel 1 positive Ground and Signal Return for LVDS LVDS Channel 2 negative LVDS Channel 2 positive Ground and Signal Return for LVDS LVDS Clock negative LVDS Clock positive Ground and Signal Return for LVDS LVDS Channel 3 negative LVDS Channel 3 positive Ground and Signal Return for LVDS Open or High Open or High Ground and Signal Return Ground and Signal Return
Note
Default : NS mode AUO internal test
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13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
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AUO internal test AUO internal test
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LVDS Option = High
JEIDA
Current Cycle Next Cycle
Previous Cycle
Clock
RIN0+ RIN0-
R3
R2
G2
R7
R6
R5
R4
R3
R2
G2
RIN1+ RIN1-
G4
G3
B3
B2
G6
G6
G5
G4
G3
B3
RIN2+ RIN2-
B5
B4
DE
NA
NA
B7
B6
B5
B4
DE
RIN3+ RIN3-
R1
R0
NA
B1
B0
G1
G0
R1
R0
NA
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LVDS Option = Low/OPEN
Previous Cycle
NS
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Current Cycle Next Cycle
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Clock
RIN0+ RIN0-
R1
R0
G0
R5
R4
R3
R2
R1
R0
G0
RIN1+ RIN1-
G2
G1
B1
B0
G5
G4
G3
G2
G1
B1
RIN2+ RIN2-
B3
B2
DE
NA
NA
B5
B4
B4
B2
DE
RIN3+ RIN3-
R7
R6
NA
B7
B6
G7
G6
R7
R6
NA
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Backlight Connector Pin Configuration
1. Electrical specification
No 1 2 ITEM Input Voltage Input Current SYMBOL VDDB IDDB Max. Brightness VDDB=24V 3 Input Power PDDB Dimming Max. VDDB=24V 4 5 6 Voltage ON/OFF Control 7 Current External PWM 8 Control Voltage External PWM EV PWM MIN MAX EIPWM Control Current External PWM Duty 10 Ratio External PWM 11 Frequency EFPWM --120 180 300 Hz EDPWM --30 --100 % MIN --PWM=100% PWM=100% 0 TBD TBD ------0.7 ----VDC mADC mADC MAX --2.0 --3.3 VDC IBLON VDDB=24V TBD --TBD mADC Input inrush current Output Frequency ON/OFF Control V BLON OFF VDDB =24V 0.0 --0.7 VDC IRUSH Dimming Max. FBL ON VDDB=24V VDDB=24V --2.0 58 ----3.3 kHz VDC ----(12) ADC 2 --(170) TBD W 1 CONDITION --VDDB=24V TBD TBD TBD ADC 1 MIN TYP MAX UNIT VDC Note
22.8 24.0 26.4
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Ta=25 5 Note 1 : VDIM/Open = 1.6V; PDIM = Open/High Note 2 : Duration = 20 ms
, Turn on for 45minutes
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2. Input specification Master Board: Connector 1: JST_S14B-PH-SM3-TB or equivalent Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 Symbol VDDB VDDB VDDB VDDB VDDB BLGND BLGND BLGND BLGND BLGND VDIM (1) (ADIM) VBLON PDIM
(2)
Description Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Ground and Current Return Ground and Current Return Ground and Current Return Ground and Current Return Ground and Current Return GND: 80%; Open/1.6V: 100%; High (3.3V) 120%, Luminance BL On-Off: Open/High (3.3V) for BL On as default External PWM/Analog Dimming Control input; Open/High (3.3V, 100% Duty) for 100% GND: External PWM dimming; .com Open/High: Analog dimming.
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14 Note (1)
PDIM (3) Selection
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VDIM is control signal for Inverter 's output Power to Back Light Lamp Bulb. Input Signal should be able to control Amplitude of Inverter Output voltage. From 0V to 3.3V, Inverter Output Voltage should be able to vary to control Brightness of Lamp from 80% to 120% Luminescence variation. Approx. 1.6V might be 100% Luminance control point. PDIM is PWM duty control Input for +3.3V TTL Level Signal. This Input Signal is Continuous Pulse Signal with +3.3V, TTL Level Signal Spec. If this is Open or +3.3V, 100% Duty (i.e. +3.3V, DC level), Back Light should perform 100% Luminance. Duty Ratio of this Input signal should be proportional relationship in certain range of control without any kind of inherent side effect like Waterfall effect on Screen. Guaranteed Duty Range and Dimming Ratio should be specified with supplementary measurement result. 14 Pin is selection pin for PWM control method; if this pin is connected to GND, PDIM input of 13th Pin should have Logic Level Duty Signal for PWM control. If this is set to High or Open, 13th Pin should have DC level signal therefore the Inverter should have Saw Tooth Wave Generator to generate internal PWM signal. Default setting is "Analog", means when it is "Not Connected", 13th pin of PWM control should be have DC Level signal for PWM.
Note (2)
Note (3)
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Slave Board: Connector 2: JST_S12B-PH-SM3-TB or equivalent Pin No 1 2 3 4 5 6 7 8 9 10 11 12 Symbol VDDB VDDB VDDB VDDB VDDB BLGND BLGND BLGND BLGND BLGND NC NC Description Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Operating Voltage Supply, +24V DC regulated Ground and Current Return Ground and Current Return Ground and Current Return Ground and Current Return Ground and Current Return
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3-3 Signal Timing Specifications
This is the signal timing required at the input of the User connector. All of the interface signal timing should be satisfied with the following specifications for it 's proper operation.
Timing Table (DE only Mode)
Signal
Item Period Active
Symbol Tv Tdisp (v) Tblk (v) Th Tdisp (h) Tblk (h) CLK Freq Vs Hs Vs Hs
Min 789 -- 21 1414 -- 48 -- 55 58 47.34 48 39.45
Type
Max 822
Unit Th Th Th Tclk Tclk Tclk ns MHz Hz KHz Hz KHz
768
-- 54 1722
Vertical Section
Blanking Period Active
1366
-- 356
Horizontal Section Clock
Blanking Period Frequency
--
18.18 88
Vertical Frequency
Frequency Frequency Frequency Frequency
60
62 49.32
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Horizntal Frequency Vertical Frequency Horizntal Frequency
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50
52 41.1
*1) DCLK signal input must be valid while power supply is applied. *2) Display position is specific by the rise of ENAB signal only. Horizontal display position is specified by the falling edge of 1 displayed on the left edge of the screen. Vertical display position is specified by the rise of ENAB after a "Low" level period equivalent to eight times of horizontal period. The 1 st data corresponding to one horizontal line after the rise the of ENAB is displayed at the top line of screen. 3.) If a period of ENAB "High" is less than 1366 DCLK or less than 768 lines, the rest of the screen displays black. 4.) The display position does not fit to the screen if a period of ENAB "High" and the effective data period do not synchronize with each other.
st
DCLK right after the rise of ENAB, is
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Tv Tdisp(v) Th
DE
RGB Data 768 Line Invalid Data
1 Line
2 Line
3 Line
4 Line
768 Line
Invalid Data
CLK
Tclk
Th Tdisp(h)
3-4 Signal Timing Waveforms
DE
RGB Data
Pixel 1366
Invalid Data
Pixel 1
Pixel 2
Pixel 3
Pixel 4
Pixel 5
Pixel 6
Pixel 1366
Invalid Data
Pixel 1
Pixel 2
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3-5 Color Input Data Reference
The brightness of each primary color (red, green and blue) is based on the 8 bit gray scale data input for the color; the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.
COLOR
DATA REFERENCE
Input Color Data
Color MSB LSB
RED MSB LSB
GREEN MSB LSB
BLUE
R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0 Black Red(255) Green(255) Basic Color Blue(255) Cyan Magenta Yellow White RED(000) RED(001) RED ---RED(254) RED(255) 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 0 1 1 1 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 1 0 1 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 1 0 0
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1 .com 111000 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 1 1 0 0 1 1 0 0 1 1 0 0
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GREEN(000) 0 GREEN(001) 0 GREEN ---GREEN(254) 0 GREEN(255) 0 BLUE(000) BLUE(001) BLUE ------BLUE(254) BLUE(255) 0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1 1 0 0
1 1 0 0
1 1 0 0
1 1 0 0
1 1 0 0
1 1 0 0
1 1 0 0
0 1 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 1
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
1 1
1 1
1 1
1 1
1 1
1 1
1 1
0 1
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3-6 Power Sequence
1. Power sequence of panel
Values
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Parameter t1 t2 t3 t4 t5 t6 t7
Min. 400 20
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-
Units Max. 1000 50 30 us ms ms ms ms ms s
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700 or (200)* 200 50 0.47 1
* : If t3=200ms, input black signal till 700ms from system is necessary. In case of t3<200ms, the abnormal display will be happened. But it will not damage timing controller.
Apply the lamp voltage within the LCD operating range. When the backlight turns on before the LCD operation or the LCD turns off before the backlight turns off, the display may momentarily become abnormal. Caution : The above on/off sequence should be applied to avoid abnormal function in the display. In case of handling, make sure to turn off the power when you plug the cable into the input connector or pull the cable out of the connector.
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2. Power sequence of inverter
90% Power input for Backlight 10%
24V(typ.)
90%
VDDB
T1
T2
T4
Enable Back light on/off
(VBLON) T3
Dimming control signal
VDIM
Deep VDDB
condition
T5
for
Inverter
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VDDB (Typ)
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Parameter Min. T1 T2 T3 T4 T5 20 500 0 1 -
Values Typ. Max. 10
Units
ms ms ms ms ms
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4. Optical Specification
Optical characteristics are determined after the unit has been `ON' and stable for approximately 30 minutes in a dark environment at 25 . The values specified are at an approximate distance 50cm and equal to 0 .
PR880 or equivalent
from the LCD surface at a viewing angle of
Fig.4-1 Optical measurement equipment and method
Parameter
Contrast Ratio Surface Luminance, white Luminance Variation
Symbol
Min. CR LWH
WHITE
Values
Typ. (1200) 400 500 1.3 8 Max.
Units
Notes
1 cd/ 2 3 ms ms ms 4,5 (Gray to Gray)
9p
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Response Time (Average) Rise Time Decay Time Color Coordinates RED
T Tr Tf
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(15) (5)
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RX RY
0.640 0.330 0.270 Typ.-0.03 0.600 0.150 0.060 0.280 0.290 Contrast Ratio>10 Typ.+0.03
GREEN
GX GY
BLUE
BX BY
WHITE
WX WY
Viewing Angle x axis, right( x axis, left( y axis, up( =0 ) =180 ) =90 ) =0 )
r l u d
89 89 89 89
Degree
6
y axis, down (
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Note: 1. Contrast Ratio (CR) is defined mathematically as:
Contrast ratio (CR)=
Brightness on the "white" state Brightness on the "black" state
2. Surface luminance is luminance value at point 1 across the LCD surface 50cm from the surface with all pixels displaying white. From more information see FIG 4-2. When VDDB = 24V, IDDB = TBD. LW H=Lon1, Where Lon1 is the luminance with all pixels displaying white at center 1 location.
H
V/2
1
2
3
4
5
6
V
7
8
V/6
H/6
H/2
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Fig.4-2 Optical measurement point
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3. The variation in surface luminance,
WHITE is defined (center of Screen) as:
WHITE(9P)=Maximum(Lon1,
Lon2,...,Lon9)/Minimum(Lon1, Lon2,...Lon9)
4. Response time is the time required for the display to transition from white(L255) to black(L0) (Decay Time, TrD=Tf) and from black(L0) to white(L255) (Rise Time, Tr R=Tr). For additional information see FIG4-3.
TrD
TrR
Fig.4-3 Response time
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5. The response time is defined as the following figure and shall be measured by switching the input signal for different gray level. For additional information see FIG4-4
100% 90%
L0,15,L31,
.L255
L0,15,L31,
.L255
10% 0%
6. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is
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normal to the LCD surface. For more information see FIG4-5.
Luminance
L0,15,L31, .L255
Time
TrD
Fig.4-4 Response time
TrR
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Fig.4-5 Viewing Angle Definition
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5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model T420XW01. In addition the figures in the next page are detailed mechanical drawing of the LCD. Horizontal (typ.) Outline Dimension Vertical (typ.) Depth (typ.) Bezel Area Horizontal (typ.) Vertical (typ.) Active Display Area Horizontal Vertical Weight Surface Treatment 15000g (typ.) AG, 3H 983.0mm 576.0mm 54.2mm (with inverter) 938.3mm 531.3mm 930.25mm 523.01mm
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2D drawing (TBD)
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6. International Standard
6-1. Safety
(1) UL6500, Underwriters Laboratories, Inc. (AUO file number : E204356) Standard for Safety of Information Technology Equipment Including electrical Business Equipment. (2) CAN/CSA C22.2 No. 950-95 Third Edition, Canadian Standards Association, Jan. 28, 1995 Standard for Safety of Information Technology Equipment Including Electrical Business Equipment. (3) EN60950 : 1992+A2: 1993+A2: 1993+C3: 1995+A4: 1997+A11: 1997 IEC 950: 1991+A1: 1992+A2: 1993+C3: 1995+A4:1996 IEC 60065 European Committee for Electro technical Standardization (CENELEC) EUROPEAN STANDARD for Safety of Information Technology Equipment Including Electrical Business Equipment.
6-2. EMC
a) ANSI C63.4 "Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electrical Equipment in the Range of 9kHz to 40GHz. "American National standards
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b)
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Institute(ANSI), 1992 C.I.S.P.R "Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment. " International Special committee on Radio Interference. c) EN 55022 "Limits and Methods of Measurement of Radio Interface Characteristics of Information Technology Equipment." European Committee for Electrotechnical Standardization. (CENELEC), 1998
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7. Packing (TBD)
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8. PRECAUTIONS
Please pay attention to the followings when you use this TFT LCD module.
8-1 MOUNTING PRECAUTIONS
(1) You must mount a module using holes arranged in four corners or four sides. (2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to 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. (3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer. Transparent protective plate should have sufficient strength in order to the resist external force. (4) You should adopt radiation structure to satisfy the temperature specification. (5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. (6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than
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HB pencil lead. And please do not rub with dust clothes with chemical treatment. Do not touch the
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surface of polarizer for bare hand or greasy cloth. (Some cosmetics are detrimental to the polarizer.) (7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. 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. (8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes deformations and color fading. (9) Do not open the case because inside circuits do not have sufficient strength.
8-2 OPERATING PRECAUTIONS
(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage: V= 200mV(Over and under shoot voltage) (2) Response time depends on the temperature. (In lower temperature, it becomes longer..) (3) 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.
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(4) 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. (5) When fixed patterns are displayed for a long time, remnant image is likely to occur. (6) 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 minimize the interface.
8-3 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.
8-4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE
Strong light exposure causes degradation of polarizer and color filter.
8-5 STORAGE
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When storing modules as spares for a long time, the following precautions are necessary.
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(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the temperature between 5 and 35 at normal humidity.
(2) 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.
8-6 HANDLING PRECAUTIONS FOR PROTECTION FILM
(1) The protection film is attached to the bezel with a small masking tape. 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. (2) When the module with protection film attached is stored for a long time, sometimes there remains a very small amount of flue still on the Bezel after the protection film is peeled off. (3) You can remove the glue easily. When the glue remains on the Bezel or its vestige is recognized, please wipe them off with absorbent cotton waste or other soft material like chamois soaked with normal-hexane.
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Data Modul AG
Landsberger-Str. 322 D-80687 Munich Tel.: +49-89-56017-0 Fax: +49-89-56017-119
Data Modul Sales Office Dusseldorf
Fritz-Vomfelde-Str. 8 D-40547 Dusseldorf Tel.: +49-211-52709-0 Fax: +49-211-52709-19
Data Modul Sales Office Stuttgart
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Friedrich-List-Str. 42 D-70771 Leinfelden-Echterdingen .com Tel.: +49-711-782385-0 Fax: +49-711-782385-29
Data Modul Inc. / USA
1767-46 Veterans Memorial Highway Islandia NY 11749 USA Tel.: +1-631-951-0800 Fax: +1-631-951-2121
Data Modul Ltd. / UK
3 Brindley Place Birmingham B12JB UK Tel.: +44 121 698 8641 Fax: +44 121 698 8623
www.data-modul.com display@data-modul.com
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