1. APPLICATION
This specification applies to color TFT-LCD module, T-55458GD022J-LW-A-AAN.
These specification papers are the proprietary product of OPTREX CORPORATION (“OPTREX)
and include materials protected under copyright of OPTREX. No part of this document may be
reproduced in any form or by any means without the express written permission of OPTREX.
OPTREX 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 OPTREX or of others.
OPTREX classifies the usage of the TFT-LCD module as follows. Please confirm the usage before
using the product.
(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. OPTREX should make a contract that
stipulate apportionment of responsibilities between OPTREX 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 OPTREX sales representative for it's intended use
in writing.
OPTREX 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.
OPTREX 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 OPTREX sales representative for any questions regarding this
product.
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T-55458GD022J-LW-A-AAN
2. OVERVIEW
T-55458GD022J-LW-A-AAN is 2.2” color TFT-LCD (Thin Film Transistor Liquid Crystal Display)
module composed of LCD panel, driver ICs, control circuit, backlight unit.
240 320, 65k-color images are displayed on the 2.2” diagonal screen. Input power voltages are
3.0V for LCD and 1.8V for interface.
Driver circuit for LED backlight is not included in this module. General specifications are
summarized in the following table:
ITEM
Display Area (mm)
Number of Dots
Pixel Pitch (mm)
Color Pixel Arrangement
Display Mode
Number of Color
Luminance (cd/m
2
)
Wide Viewing Angle Technology
Viewing Angle (CR
10)
Surface Treatment
Electrical Interface
Optimum Viewing Angle (Contrast ratio)
Module Size (mm)
Module Mass (g)
Backlight Unit
*) W/O FPC
Sign “( )”represents preliminary value. Characteristic value without any note is typical value.
SPECIFICATION
33.84(H)
45.12(V)
(2.2-inch diagonal)
240
3
(H)
320 (V)
0.141 (H)
0.141 (V)
RGB vertical stripe
Normally white TN
65k
200
Optical compensation film
65~65°
(H)
50~70°
(V)
Clear and hard-coating 2H
CMOS
12 o’clock
39.8(W)
56.9(H) 2.8(D)
*)
13
Edge-light, LED
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T-55458GD022J-LW-A-AAN
3. ABSOLUTE MAXIMUM RATINGS
ITEM
Power Supply Voltage for LCD
Power Supply Voltage for Interface
Logic Input Voltage
Backlight (LED) Current
Operation Temperature (Panel)
Operation Temperature (Ambient)
Storage Temperature
Note 1,2)
Note 2)
Note 2)
SYMBOL
VCC
VCCIO
VI
IF
T
op(Panel)
T
op(Ambient)
T
stg
MIN.
0.3
0.3
0.3
--
20
20
20
MAX.
4.2
6.0
VCCIO+0.3
30
70
70
80
UNIT
V
V
V
mA
°C
°C
°C
[Note]
1) Measured at the center of active area and at the center of panel back surface
2) Top,Tstg 40C : 90%RH max. without condensation
Top,Tstg > 40C : Absolute humidity shall be less than the value of 90%RH at 40C without
condensation.
4. ELECTRICAL CHARACTERISTICS
(1) TFT- LCD
ITEM
Power Supply Voltage for LCD
Power Supply Voltage for Interface
Power Supply Current for LCD
Power Supply Current for Interface
Logic Input Voltage
High
Low
SYMBOL
Ambient Temperature : Ta = 25°C
MIN.
2.7
1.65
--
--
0.8VCCIO
--
TYP.
3.0
1.8
5.6
0.005
--
---
MAX.
3.3
3.3
7.5
0.006
--
0.2VCCIO
UNIT
V
V
mA
mA
V
V
*)
*)
Remarks
VCC
VCCIO
ICC
ICCIO
VIH
VIL
*) Display image at typical power supply current value is at VCC = +3.0V, VCCIO = +1.8 V,
f
H
=19 kHz, f
V
=60 Hz CPU I/F, and 64-gray-bar pattern (6 bit).
(2) Backlight
ITEM
LED Voltage
LED Current
SYMBOL
VF
IF
MIN.
--
--
--
--
[Note]
*1) Constant Current Drive
*2) Lamp Current measurement method
A1
TYP.
(9.6)
--
--
15.0
MAX.
10.5
(10.8)
(11.0)
20.0
UNIT
V
V
V
mA
Remarks
IF = 20 mA, Ta = 25°C
IF = 20 mA, Ta = 0°C
IF = 20 mA, Ta =
20°C
*1), *2)
A
Power
Supply
LCD
Module
C1
OPTREX Confidential
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T-55458GD022J-LW-A-AAN
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