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, MAA121DSP01.
These specification papers are the proprietary product of Melco Display Technology Inc. (“MDTI”)
and include materials protected under copyright of MDTI. No part of this document may be
reproduced in any form or by any means without the express written permission of MDTI.
MDTI 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 MDTI or of others.
MDTI classifies the usage of the TFT-LCD module as follows. Please confirm the usage before using
the product.
(1) Standard Usage
(2) Special Usage
(3) Specific 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.
Medical equipment, safety equipment, transportation equipment, provided, however, that
TFT-LCD is necessary to its operation.
Cockpit Equipment, military systems, aerospace equipment, nuclear reactor control
systems, life support systems and any other equipment. MDTI should make a contract
that stipulate apportionment of responsibilities between MDTI and our customer.
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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 contact MDTI sales representative for it's intended use in
writing.
MDTI 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.
MDTI 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.
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2. OVERVIEW
MAA121DSP01 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, 800u 600, 262k-color or 16.7M-color images are displayed on
the 12.1” diagonal screen. Input power voltage is 3.3V for LCD driving.
The type of data and control signals are digital and transmitted via LVDS interface per Typ.
40MHz 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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246.0(H) u 184.5(V)
(12.1-inch diagonal)
800 u3 (H) u 600 (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) 450
Wide Viewing Angle Technology Optical Compensation Film
Viewing Angle (CR t10)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) 770
Backlight Unit CCFL, 2-tubes, edge-light, replaceable
Characteristic value without any note is typical value.
0.3075 (H) u 0.3075 (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 VCC0.3
V
Lamp Voltage VL 0 2000 Vrms
Lamp Current IL0 18 mArms
Lamp Frequency FL -- 80 kHz
Operation Temperature (Panel)
Operation Temperature (Ambient)
Storage Temperature
Note 1,2)
Note 2)
T
Note 2)
T
T
op(Panel)
op(Ambient)
stg
20
20
20
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,Tstgd 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 -- 370 550 mA *2)
Permissive Input Ripple Voltage VRP -- -- 100 mVp-p VCC = +3.3V
High VIH 2.0 -- VCC+0.3 V MODE, SC
Logic Input Voltage
Low VIL 0 -- 0.8 V MODE, SC
*1) Power and signals sequence:
t1 d10ms200 ms d t4
0 < t2 d 50 ms 200 ms d t5
0 < t3 d 50 ms 0 d t6
VCC
LCD Power Supply
Logic Signal
0.9VCC
0.1VCC
t1
t2
data
t3
0.9VCC
0.1VCC
t4
0.1VCC
Backlight Power Supply
t5t6
data: RGB DATA, DCLK, DENA, MODE, SC
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VCC-dip conditions:
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.
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VCC
3.0 V
2.6 V
td
*2) VCC = +3.3 V , f
=37.9 kHz, fV=60 Hz, f
H
= 40 MHz
CLK
Display image at typical power supply current value is 256-gray-bar pattern (8 bit), 600 line mode.
*3) Fuse
Parameter Fuse Type Name SupplierRemark
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. UNITRemarks
℃
Lamp Voltage VL -- 540 -- VrmsIL = 14.0 mArms
Lamp Current IL 6.0 14.0 17.0 mArms *2), *6)
Lamp Frequency FL 30 -- 60 kHz *3)
1000 -- -- Ta = 25°C
Starting Lamp Voltage VS
1200 -- -- Ta = 0°C
1290 -- --
Lamp Life Time LT 35,000-- -- h
Vrms
Ta = 20°C
*4), *5) IL = 14.0mArms,
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
*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.
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*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%
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The ratio of wave height: less than
I
PH
I
PL
CURRENT WAVE FORM
±10%
2
IPH: High side peak
I
: Low side peak
PL
The degree of unbalance = |IPH - IPL| / Irms
(or IPL) / Irms
The ratio of wave height =
I
PH
100(%)
u
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