10 RELIABILITY TEST CO NDITION 18
11 HANDLING PRECAUTIONS FOR TFT-LCD MODULE 19, 20, 21
MDTI Confidential (2/21) MAA121DSK26_02_00
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1. APPLICATION
This specification applies to color TFT-LCD module, MAA121DSK26.
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
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the product.
(1) Standard Usage
(2) Special Usage
(3) Specific Usage
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 in adva nce.
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 othe r equipment. MDTI should make a contract
that stipulate apportionment of responsibilities betw een MDT I and our customer.
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.
MDTI Confidential (3/21) MAA121DSK26_02_00
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2. OVERVIEW
MAA121DSK26 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 applyi ng 6 bit digi tal data, 800 × 600, 260 K-col or images ar e displayed on the 12.1” diagon al
screen. Input power voltage is single 3.3V or 5.0V for LCD driving. Both 3.3V-CMOS and
5.0V-CMOS level voltage are acceptable for logic input voltage.
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 800 × 3 (H) × 600 (V)
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246.0 × 184.5
(12.106-inch diagonal)
Pixel Pitch (mm) 0.3075 (H) × 0.3075 (V)
Color Pi xel Arrangemen t RGB vertical s tripe
Display Mode normally white
Number of Color 260 K
Optimum Viewing Angle(Contrast ratio)6 o’clock
Brightness (cd/m2) 300
Module Size (mm) 280.0 (W) × 210.0 (H) × 12.0(D)
Module Mass (g) 740
Backlight Unit CCFL, 2-tube s, edge-light, replacea ble
Surface Treatment Antiglare and hard-coating 3H
Characteristic value without any note is typical value.
MDTI Confidential (4/21) MAA121DSK26_02_00
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3. ABSOLUTE MAXIMUM RATINGS
ITEM SYMBOLMIN. MAX UNIT
Powe r Supply Voltage for LCD VCC 0 6.0 V
Logic Input Voltage VI 06.5 V
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Operation Temperature *) T
Storage Temperature *) T
op
stg
0 50 °C
-20 60 °C
*) Top,Tstg ≤ 40°C : 90%RH max. without condensation
Top,Tstg > 40°C : Absolute humidity shall be less than the value of 90%RH a t 40°C without
condensation.
4. ELECTRICAL CHARACTERISTICS
(1) TFT-LCD
Ta=25℃
ITEM
Power Supply
Voltage for LCD
Power Supply
Current for LCD
3.3V powered VCC 3.0 3.3 3.6 V
5.0V powered VCC 4.75 5.0 5.25 V
3.3V powered ICC
5.0V powered ICC
SYMBOL
Permissive Input Ripple Voltage VRP
High VIH 2.0
Voltage
Low VIL 0
MIN.TYP.MAX.UNIT Remarks
A), D)
A), D)
-
-
- -
335 430 mA VCC=3.3V
235 340 mA VCC=5.0V
100 mVp-p VCC = +3.3V/5.0V
-
-
5.25 V Logic Input
0.8 V
B)
B)
(2) Backlight
Ta=25℃
ITEM
SYMBOL
MIN. TYP. MAX. UNIT Remarks
Lamp Voltage VL - 600 - V IL=10.0mA
Lamp Current IL 6.0 10.0
C)
12.0 mA
Lamp Frequency FL 30 - 60 kHz
1000 - - Ta=25°C
Starting Lamp Voltatge VS
V
1200 - -
Note 1)
Note 2)
Ta=0°C
Note 3)
Note 3)
IL=10.0mA,
Lamp Life Time LT 50,000 - - h
Continuous operation
Note 3),4)
MDTI Confidential (5/21) MAA121DSK26_02_00
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[Note]
1) Lamp Current measurement method (The current meter is inserted in low voltage line.)
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A
Inverter
Power
Supply
LCD
Module
CTL
CTH
CTH
2) 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.
3) 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.
4) The life time of the backlight depends on the ambient temperature. The life time will decrease
under low/high temperature.
A) Power and signals sequence:
t0
≤ 1ms 0 < t4 ≤50ms
t1
≤ 15ms 400ms ≤t5
0 < t2
0 < t3
≤ 200ms 200ms ≤t6
≤ 1s 0 ≤t7
(a) 3.3Vpowered
(b) 5.0Vpowered
1.7V
1.7V
2.1V
t0
3.0V
t2t3
t1
data: RGB DATA, DCLK, HD, VD, DENA
4.5V
2.1V
VCC
Data, Timing signals
Backlight
t6
Data, Timing signals
t7
VCC
t4
3.0V
0.5V
t5
4.5V
0.5V
1.7V
1.7V
t0
data: RGB DATA, DCLK, HD, VD, DENA
t2t3
t1
Backlight
t6
t7
t4
t5
MDTI Confidential (6/21) MAA121DSK26_02_00
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VCC-dip conditions:
(a) 3.3V powered
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1) When 2.7V
2) When VCC < 2. 7 V
VCC-dip conditions should also follow the power and signals s equence.
(b) 5.0V powered
1) When 4.2V
2) When VCC < 4. 2 V
VCC-dip conditions should also follow the power and signals s equence.
≤ VCC < 3.0V, t d ≤ 10ms
VCC
3.0V
2.7V
td
≤ VCC < 4.5V, t d ≤ 10ms
VCC
4.5V
4.2V
td
B) Typical current condition:
64-gray-bar pattern
600 line mode
VCC = +3.3V / 5.0V, f
C) For typical luminance of 300cd/m
=37.9kHz, fV=60.3Hz, f
H
2
= 40MHz
CLK
D) Please do not supply 3.6 ~ 4.75V constantly as Power Supply Voltage for LCD.
The condition is shown as t1
≤ 15ms.
MDTI Confidential (7/21) MAA121DSK26_02_00
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