Mitsubishi AA121XH03 Specification

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TENTATIVE
All information in this technical data sheet is tentative
and subject to change without notice.
12.1” XGA
AA121XH03
MITSUBISHI ELECTRIC Corp.
Date: Mar.17,’09
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CONTENTS
No. Item Page
-- COVER 1
-- CONTENTS 2
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1 APPLICATION 3 2 OVERVIEW 4 3 ABSOLUTE MAXIMUM RATINGS 5 4 ELECTRICAL CHARACTERISTICS 5, 6, 7 5 INTERFACE PIN CONNECTION 8, 9 6 INTERFACE TIMING 10, 11, 12, 13, 14 7 BLOCK DIAGRAM 15 8 MECHANICAL SPECIFICATION 16, 17
9 OPTICAL CHARACTERISTICS 18, 19, 20 10 RELIABILITY TEST CONDITION 21 11 OTHER FEATURE 22 12 HANDLING PRECAUTIONS FOR TFT-LCD MODULE 23, 24, 25
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1. APPLICATION
This specification applies to color TFT-LCD module, AA121XH03.
These specification papers are the proprietary product of Mitsubishi Electric Corporation
(“MITSUBISHI) and include materials protected under copyright of MITSUBISHI. No part of this document may be reproduced in any form or by any means without the express written permission of MITSUBISHI.
MITSUBISHI does not assume any liability for infringement of patents, copyrights or other
intellectual property rights of third parties by or arising from use of a product specified in this document. No license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of MITSUBISHI or of others.
MITSUBISHI classifies the usage of the TFT-LCD module as follows. Please confirm the usage
before using the product.
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(1) Standard Usage
Computers, office equipment, factory automation equipment, test and measurement equipment, communications, transportation equipment(automobiles, ships, trains, etc.), provided, however, that operation is not influenced by TFT-LCD directly.
(2) Special Usage
Medical equipment, safety equipment, transportation equipment, provided, however, that TFT-LCD is necessary to its operation.
(3) Specific Usage
Cockpit Equipment, military systems, aerospace equipment, nuclear reactor control systems, life support systems and any other equipment. MITSUBISHI should make a contract that stipulate apportionment of responsibilities between MITSUBISHI and our customer.
The product specified in this document is designed for “Standard Usage” unless otherwise specified
in this document. If customers intend to use the product for applications other than those specified for “Standard Usage”, they should first contact MITSUBISHI sales representative for it's intended use in writing.
MITSUBISHI has been making continuous effort to improve the reliability of its products. Customers should implement sufficient reliability design of their application equipments such as redundant system design, fail-safe functions, anti-failure features.
MITSUBISHI assumes no responsibility for any damage resulting from the use of the product that
does not comply with the instructions and the precautions specified in this document.
Please contact and consult a MITSUBISHI sales representative for any questions regarding this
product.
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2. OVERVIEW
AA121XH03 is 12.1” color TFT-LCD (Thin Film Transistor Liquid Crystal Display) module composed of LCD panel, driver ICs, control circuit, and backlight unit.
By applying 6 bit or 8 bit digital data, 1024u 768, 262k-color or 16.7M-color images are displayed on the 12.1” diagonal screen. Input power voltage is single 3.3 V for LCD driving. The type of data and control signals are digital and transmitted via LVDS interface per Typ. 65 MHz clock cycle.
Inverter for backlight is not included in this module. General specifications are summarized in the following table:
ITEM SPECIFICATION Display Area (mm) Number of Dots
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245.76(H) u 184.32(V)
(12.106-inch diagonal)
1024 u3 (H) u 768 (V) Pixel Pitch (mm) Color Pixel Arrangement RGB vertical stripe Display Mode Normally white TN Number of Color 262k(6 bit/color), 16.7M(8 bit/color) Luminance (cd/m2) 320 Wide Viewing Angle Technology Optical Compensation Film Viewing Angle (CR t10) 65~65° (H) 75~45° (V) Surface Treatment Anti-glare and hard-coating 3H Electrical Interface LVDS (6 bit/8 bit) Optimum Viewing Angle (Contrast ratio) 6 o’clock Module Size (mm) Module Mass (g) 720 Backlight Unit CCFL, 2-tubes, edge-light, replaceable
Characteristic value without any note is typical value.
0.240 (H) u 0.240 (V)
280.0 (W) u 210.0 (H) u 12.0 (D)
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3. ABSOLUTE MAXIMUM RATINGS
ITEM SYMBOL MIN. MAX. UNIT
Power Supply Voltage for LCD VCC 0 4.0 V
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Logic Input Voltage VI
0.3
VCC+0.3 V Lamp Voltage VL 0 2000 Vrms Lamp Current IL 0 18 mArms Lamp Frequency FL -- 100 kHz Operation Temperature (Panel) Operation Temperature (Ambient) Storage Temperature
Note 2)
T
Note 1,2)
Note 2)
T
T
op(Panel)
op(Ambient)
stg
202020
70 °C 70 °C 80 °C
[Note]
1) Measured at the center of active area and at the center of panel back surface
2) Top,Tstgd 40qC : 90%RH max. without condensation Top,Tstg > 40qC : Absolute humidity shall be less than the value of 90%RH at 40qC without
condensation.
4. ELECTRICAL CHARACTERISTICS
(1) TFT-LCD Ambient temperature: Ta = 25
ITEM SYMBOL
Power Supply Voltages for LCD VCC 3.0 3.3 3.6 V *1)
MIN. TYP. MAX. UNIT Remarks
Power Supply Currents for LCD ICC -- 320 600 mA *2) Permissive Input Ripple Voltage VRP -- -- 100 mVp-p VCC=+3.3V
High VIH 2.4 -- VCC V MODE, SC
Logic Input Voltage
Low VIL 0 -- 0.8 V MODE, SC
*1) Power and signals sequence:
d 10ms 200ms d t4
t1
d 50ms 200ms d t5 d 50ms 0 d t6
VCC
data
t2
t1
t3
0.9VCC
0.1VCC
t4
0.1VCC
LCD Power Supply
Logic Signal
0 < t2 0 < t3
0.9VCC
0.1VCC
Backlight Power Supply
t5 t6
data: RGB DATA, DCLK, DENA, MODE, SC
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VCC-dip conditions:
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1) When 2.6 V
d VCC < 3.0 V, td d 10 ms
2) When VCC < 2.6 V VCC-dip conditions should also follow the power and signals sequence.
VCC
3.0 V
2.6 V
td
*2) VCC = +3.3 V , f
= 48.4 kHz, fV= 60 Hz, f
H
= 65 MHz
CLK
Display image at typical power supply current value is 256-gray-bar pattern (8 bit), 768 line
mode.
*3) Fuse
Parameter Fuse Type Name Supplier Remark
VCC FCC16162AB Kamaya Electric Co., Ltd. *)
*) The power supply capacity should be designed to be more than the fusing current.
(2) Backlight Ta = 25
ITEM
SYMBOL
MIN. TYP. MAX. UNIT Remarks
Lamp Voltage VL -- 540 -- Vrms IL = 12.0 mArms Lamp Current IL 6.0 12.0 14.0 mArms *2),*6)
Lamp Frequency FL 30 -- 70 kHz *3)
1000 -- -- Ta = 25°C
Starting Lamp Voltage VS
1200 -- -- Ta = 0°C 1290 -- --
Lamp Life Time LT 50,000 -- -- h
Vrms
Ta = 20°C
*4),*5)IL = 12.0 mArms,
Continuous operation
[Note]
*1) Please use synchronous inverter. *2) Lamp Current measurement method (The current meter is inserted in low voltage line.)
A
Inverter
Power
Supply
LCD
Module
CTL
CTH
CTH
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*3) Lamp frequency of inverter may produce interference with horizontal synchronous frequency,
and this may cause horizontal beat on the display. Therefore, please adjust lamp frequency, and keep inverter as far from module as possible or use electronic shielding between inverter and module to avoid the interference.
*4) Lamp life time is defined as the time either when the brightness becomes 50% of the initial
value, or when the starting lamp voltage does not meet the value specified in this table.
*5) The life time of the backlight depends on the ambient temperature. The life time will decrease
under low/high temperature.
*6) Please use the inverter which has symmetrical current wave form as follows,
The degree of unbalance: less than 10% The ratio of wave height: less than
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±10%
2
I
PH
I
PL
IPH: High side peak
I
: Low side peak
PL
Th e degree of unbalance = |IPH - IPL| / Irms The ratio of wave height = I
(or IPL) / Irms
PH
100(%)
u
CURRENT WAVE FORM
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V
5. INTERFACE PIN CONNECTION
(1)CN 1(INTERFACE SIGNAL)
Used connector: FI-SE20P-HFE (JAE) Corresponding connector: FI-S20S[for discrete wire] (JAE)
Pin
No.
Symbol
1 VCC 2 VCC 3 GND 4 GND 5
Link 0
R0, R1, R2, R3, R4, R5, G0 R2, R3, R4, R5, R6, R7, G2
6 Link 0+ R0, R1, R2, R3, R4, R5, G0 R2, R3, R4, R5, R6, R7, G2 R0, R1, R2, R3, R4, R5, G0 7 GND 8
Link 1
G1, G2, G3, G4, G5, B0, B1 G3, G4, G5, G6, G7, B2, B3
9 Link 1+ G1, G2, G3, G4, G5, B0, B1 G3, G4, G5, G6, G7, B2, B3 G1, G2, G3, G4, G5, B0, B1 10 GND 11
Link 2
B2, B3, B4, B5, DENA B4, B5, B6, B7, DENA
12 Link 2+ B2, B3, B4, B5, DENA B4, B5, B6, B7, DENA B2, B3, B4, B5, DENA 13 GND 14
CLKIN
Clock m
15 CLKIN+ 16 GND 17
Link3
See: *2) R0, R1, G0, G1, B0, B1
18 Link3+ See: *2) R0, R1, G0, G1, B0, B1 R6, R7, G6, G7, B6, B7 19 MODE Low=ISP 6 bit compatibility mode 20 SC
Scan direction control. ( Low : Normal , High : Reverse )
*1) Metal frame is connected to signal GND. *2) Recommended wiring of Pin 17,18 (6 bit input)
Function (ISP 6 bit compatibility mode)
6 bit input 8 bit input
+3.3 V Power supply +3.3 V Power supply
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GND GND
GND
GND
GND
Clock +
GND
Function (ISP 8 bit
compatibility mode)
m m m m
R0, R1, R2, R3, R4, R5, G0
m
G1, G2, G3, G4, G5, B0, B1
m
B2, B3, B4, B5, DENA
m
m m
R6, R7, G6, G7, B6, B7
High=ISP 8 bit compatibility mode
m
LVDS transmitter
(2)CN 2(BACKLIGHT)
Backlight-side connector: BHR-04VS-1 (JST) Inverter-side connector: SM04(4.0)B-BHS(LF)(SN) (JST)
>Note@ VBLH – VBLL = VL
CC
680
LOW data
Ω
Pin 17 Pin 18
or
620
Ω
Pin No. Symbol Function
1, 2 CTH VBLH (High voltage)
4 CTL VBLL (Low voltage)
Pin 17 Pin 18
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(3) ISP data mapping
a. ISP 6 bit compatibility mode(6 bit input)
CLKIN+/-
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1CLK
Link0+/-
Link1+/-
Link2+/-
b. ISP 6 bit compatibility mode(8 bit input)
CLKIN+/-
Link0 +/-
Link1 +/-
Link2 +/-
R1G0 R5 R4 R3 R2 R0
G2B1 B0 G5 G4 G3 G1
B3DENA B5 B4 B2
1CLK
R3G2 R7 R6 R5 R4 R2
G4B3 B2 G7 G6 G5 G3
B5DENA B7 B6 B4
Link3 +/-
c. ISP 8 bit compatibility mode
CLKIN+/-
Link0+/-
Link1+/-
Link2+/-
Link3+/-
R1B1 B0 G1 G0 R0
1CLK
R1G0 R5 R4 R3 R2 R0
G2B1 B0 G5 G4 G3 G1
B3DENA B5 B4 B2
R7B7 B6 G7 G6 R6
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6. INTERFACE TIMING
LVDS transmitter input signal
(1) Timing Specifications
ITEM SYMBOL MIN. TYP. MAX. UNIT
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DCLK
DENA
Frequency f Period t
Active Time t Blanking Time t
Horizontal
Frequency f Period t Active Time t Blanking Time t
Vertical
Frequency f Period t
CLK
CLK
HA
HB
H
H
VA
VB
V
V
50 65 80 MHz
12.5 15.4 20 ns
1024 1024 1024 t
20 320 -- t
CLK
CLK
42.4 48.4 60 kHz
16.6 20.7 23.6
Ps
768 768 768 t
3 38 -- t
55 60 75 Hz
13.3 16.7 18.2 ms
[Note]
1) DENA (Data Enable) should always be positive polarity as shown in the timing specification.
2) DCLK should appear during all invalid period.
3) LVDS timing follows the timing specifications of LVDS receiver IC: THC63LVDF84B(Thine).
4) In case of blanking time fluctuation, please satisfy following condition. t
VBn
> t
VBn-1
3(t
)
H
H
H
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V
V
(2) Timing Chart
a. Horizontal Timing Chart
DCLK
DATA (R,G,B)
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First Data Last Data
1 2
3Invalid Data Invalid Data
1023 1024
t
HB
DENA
b. Vertical Timing Chart
LINE DATA
DENA
t
HA
tH=1/f
H
1 2 767 768 3Invalid Data Invalid Data
t
VB
t
A
tV=1/f
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(3) Color Data Assignment
a. 6 bit input
COLOR
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
MSB LSB MSB LSB MSB LSB
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RED(63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 GREEN(63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
BASIC BLUE(63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
COLOR CYAN 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
MAGENTA 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1 YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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INPUT DATA
R DATA G DATA B DATA
RED(1) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 RED(2) 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
RED
RED(62) 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 RED(63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 GREEN(1) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 GREEN(2) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0
GREEN
GREEN(62) 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0 GREEN(63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 BLUE(1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 BLUE(2) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
BLUE
BLUE(62) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 BLUE(63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
[Note]
1) Definition of gray scale Color (n) --- n indicates gray scale level.
Higher n means brighter level.
2) Data 1:High, 0: Low
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b. 8 bit input
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INPUT DATA
BASIC
COLOR
RED
GREEN
COLOR
BLACK RED(255) GREEN(255) BLUE(255) CYAN MAGENTA YELLOW WHITE RED(1) RED(2)
RED(255) GREEN(1) GREEN(2)
R DATA G DATA B DATA
R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0
MSB LSB MSB LSB MSB LSB
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 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 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 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 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 1 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
GREEN(255) BLUE(1) BLUE(2)
BLUE
BLUE(255)
[Note]
1) Definition of gray scale Color (n) --- n indicates gray scale level.
2) Data 1:High, 0: Low
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 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 1 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 1 1 1 1 1 1 1 1
Higher n means brighter level.
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(4) Display Position and Scan Direction
D(X,Y) shows the data number of input signal for LCD panel signal processing PCB.
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SC: Low
D(1,1) D(1024,1)
D(1,768)
D(1024,768)
SC: High
CN2
D(1024,768) D(1,768)
CN2
D(1024,1) D(1,1)
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7. BLOCK DIAGRAM
CN1
Timing signal Display data
Timing
Controller
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G1
G2
TFT-LCD
Power
Drivers(gate)
I/F Connector
Power
Supply
Circuit
G768
S1
S2
Drivers(source)
CCFL
S3071
S3072
CN2
1
2
4
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8. MECHANICAL SPECIFICATIONS
(1) Front Side
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(Unit:mm)
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(2) Rear Side
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9. OPTICAL CHARACTERISTICS
ITEM SYMBOL CONDITION MIN TYP MAX UNIT Remarks
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Ta=25°C, VCC=3.3V, Input Signals: Typ. Values shown in Section 6
Contrast Ratio CR Luminance Lw Luminance Uniformity
'Lw T
tr
Response Time
tf
Viewing
Angle
Horizontal Vertical Horizontal Vertical
T
H
TV
T
H
TV
TV qTH q
TV qTH q
qTH q
V
TV qTH q
TV qTH q
50a50 65a65
CR t10
65a65 80a80
CR t5
350 550 -- -- *1)*2)*5) 250 320 -- cd/m
2
*1)*5)
-- -- 30 % *1)*3)*5)
-- 6 -- ms *1)*4)*5)
-- 19 -- ms *1)*4)*5)
-- ° *1)*5)
40a30 75a45
-- ° *1)*5)
-- ° *1)*5)
65a40 80a55
-- ° *1)*5)
Image sticking tis 2 h -- -- 2 s *6)
Red Rx 0.545 0.575 0.605
Ry 0.297 0.327 0.357 Color Green Gx 0.298 0.328 0.358 Coordinates Gy
TV qTH q
0.501 0.531 0.561 --
*1)*5)
Blue Bx 0.133 0.163 0.193
By 0.124 0.154 0.184
White Wx 0.283 0.313 0.343
Wy 0.299 0.329 0.359
[Note] These items are measured using CS1000(MINOLTA) for color coordinates, EZContrast(ELDIM) for viewing angle and CS1000 or BM-5A(TOPCON) for others under the dark room condition (no ambient light) after more than 30 minutes from turning on the lamp unless noted.
Condition: IL = 12.0 mArms, FL = 43 kHz
Measurement method for luminance and color coordinates is as follows.
Photodetector Luminance :T=2q (BM-5A) Color coordinates :T=1q (CS1000)
TFT-LCD module
T(Field)
500 mm
The luminance is measured according to FLAT PANEL DISPLAY MEASUREMENTS STANDARD
(VESA Standard).
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*1) Measurement Point
Contrast Ratio, Luminance, Response Time, Viewing Angle, Color Coordinates: Display Center
Luminance Uniformity: point 1
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a5 shown in a figure below
(1,1)
192
384
576
256 512 768
1
5
3
2
4
*2) Definition of Contrast Ratio
CR= Luminance with all white pixels / Luminance with all black pixels
*3) Definition of Luminance Uniformity
'Lw=[Lw(MAX)/Lw(MIN)-1]u100
*4) Definition of Response Time
White
(1024,768)
90%90%
Luminance
*5) Definition of Viewing Angle(
Left (-)
tr
TVT
Upper(+)
10%10% Black
)
H
tf
Normal Axis
T
V
T
+
Right (+)
LCD panel
Lower(-)
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*6) Image sticking:
Continuously display the test pattern shown in the figure below for two-hours. Then display a completely white screen. The previous image shall not persist more than two seconds at 25°C.
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Cols 510-514
White
Area
Rows 382-386
Black Lines
TEST PATTERN FOR IMAGE STICKING TEST
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10. RELIABILITY TEST CONDITION
(1) Temperature and Humidity
ITEM CONDITIONS
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HIGH TEMPERATURE
HIGH HUMIDITY OPERATION
HIGH TEMPERATURE OPERATION 70°C, 240 h
LOW TEMPERATURE OPERATION
HIGH TEMPERATURE STORAGE 80°C, 240 h
LOW TEMPERATURE STORAGE –20°C, 240 h
THERMAL SHOCK
(2) Shock & Vibration
ITEM CONDITIONS
Shock level: 1470m/s2(150G)
SHOCK Waveform: half sinusoidal wave, 2ms
(NON-OPERATION) Number of shocks: one shock input in each direction of three mutually
perpendicular axes for a total of six shock inputs
BETWEEN –20°C (1h) and 80°C(1h),
40°C, 90%RH, 240 h
(No condensation)
20°C, 240 h
100 CYCLES
Vibration level: 9.8m/s2 (1.0G) Waveform: sinusoidal
VIBRATION Frequency range: 5 to 500Hz
(NON-OPERATION) Frequency sweep rate: 0.5 octave /min
Duration: one sweep from 5 to 500 Hz in each of three mutually
perpendicular axis(each x,y,z axis: 1 hour, total 3 hours)
(3) Judgment standard
The judgment of the above tests should be made as follow:
Pass: Normal display image, no damage of the display function. (ex. no line defect)
Partial transformation of the module parts should be ignored.
Fail: No display image, damage of the display function. (ex. line defect)
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11. OTHER FEATURE
This LCD module complies with RoHS *) directive.
*)
RoHS: Restriction of the use of certain hazardous substances in electrical and electronic
equipment
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12. HANDLING PRECAUTIONS FOR TFT-LCD MODULE
Please pay attention to the followings in handling TFT-LCD products;
(1) ASSEMBLY PRECAUTION
a. Please mount the LCD module by using mounting hole with a screw clamping torque
(recommended value: 0.3 Nm). Please do not bend or wrench the LCD module in assembling. Please do not drop, bend or twist the LCD module in handling.
b. Please design display housing in accordance with the following guide lines.
(a) Housing case must be designed carefully so as not to put stresses on LCD and not to
wrench module.
(b) Keep sufficient clearance between LCD module back surface and housing when the LCD
module is mounted. Approximately 1.0mm of the clearance in the design is recommended taking into account the tolerance of LCD module thickness and mounting structure height on the housing.
(c) When some parts, such as, FPC cable and ferrite plate, are installed underneath the LCD
module, still sufficient clearance is required, such as 0.5mm. This clearance is, especially, to be reconsidered when the additional parts are implemented for EMI countermeasure.
(d) Design the inverter location and connector position carefully so as not to give stress to
lamp cable, or not to interfere the LCD module by the lamp cable.
(e) Keep sufficient clearance between LCD module and the others parts, such as inverter and
speaker so as not to interfere the LCD module. Approximately 1.0mm of the clearance in the design is recommended.
(f) To avoid local elevation/decrease of temperature, considering location of heating element,
heat release, thermal design should be done.
c. Please do not push or scratch LCD panel surface with anything hard. And do not soil LCD
panel surface by touching with bare hands. (Polarizer film, surface of LCD panel is easy to be
flawed.) d. Please wipe off LCD panel surface with absorbent cotton or soft cloth in case of it being soiled. e. Please wipe off drops of adhesives like saliva and water on LCD panel surface immediately.
They might damage to cause panel surface variation and color change. f. Please do not take a LCD module to pieces and reconstruct it. Resolving and reconstructing
modules may cause them not to work well. g. Please do not touch metal frames with bare hands and soiled gloves. A color change of the
metal frames can happen during a long preservation of soiled LCD modules. h. Please handle metal frame carefully because edge of metal frame is very sharp. i. Please pay attention to handling lead wire of backlight so that it is not tugged in connecting
with inverter.
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j. Please connect the metal frame of LCD module to GND in order to minimize the effect of
external noise and EMI. k. Be sure to connect the cables and the connectors correctly.
(2) OPERATING PRECAUTIONS
a. Please be sure to turn off the power supply before connecting and disconnecting signal input
cable. b. Please do not change variable resistance settings in LCD module. They are adjusted to the
most suitable value. If they are changed, it might happen LCD does not satisfy the
characteristics specification. c. LCD backlight takes longer time to become stable of radiation characteristics in low
temperature than in room temperature. d. The interface signal speed is very high. Please pay attention to transmission line design and
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other high speed signal precautions to satisfy signal specification. e. A condensation might happen on the surface and inside of LCD module in case of sudden
change of ambient temperature. Please take care so as not to cause any damage mentioned
on (1)-e. f. Please pay attention not to display the same pattern for very long time. Image might stick on
LCD. Even if image sticking happens, it may disappear as the operation time proceeds. g. Please obey the same safe instructions as ones being prepared for ordinary electronic products.
(3) PRECAUTIONS WITH ELECTROSTATICS
a. This LCD module use CMOS-IC on circuit board and TFT-LCD panel, and so it is easy to be
affected by electrostatics. Please be careful with electrostatics by the way of your body
connecting to the ground and so on. b. Please remove protection film very slowly from the surface of LCD module to prevent from
electrostatics occurrence.
(4) STORAGE PRECAUTIONS
LCD should be stored in the room temperature environment with normal humidity. The LCD
inventory should be processed by first-in first-out method.
(5) SAFETY PRECAUTIONS
a. When you waste damaged or unnecessary LCDs, it is recommended to crush LCDs into pieces
and wash them off with solvents such as acetone and ethanol, which should later be burned. b. If any liquid leaks out of a damaged glass cell and comes in contact with the hands, wash off
thoroughly with soap and water. c. Be sure to turn off the power supply when inserting or disconnecting the cable.
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d. Inverter should be designed carefully to limit or stop its function when over current is detected
on the on the lamp.
(6) OTHERS
a. A strong incident light into LCD panel may cause deterioration to polarizer film, color filter,
and other materials, which will degrade the quality of display characteristics. Please do not
expose LCD module under strong Ultraviolet rays for a long time. b. Please pay attention to a panel side of LCD module not to contact with other materials in
preserving it alone.
c. For the packaging box handling, please see and obey with the packaging specification
datasheet.
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