NL6448BC18-07 Datasheet PDF - NEC


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NL6448BC18-07
NEC

Part Number NL6448BC18-07
Description TFT COLOR LCD MODULE
Page 28 Pages

NL6448BC18-07 datasheet pdf
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TFT COLOR LCD MODULE
NL6448BC18-07
15cm (5.7 Type)
VGA
DATA SHEET
DOD-PP-1225 (1st edition)
This DATA SHEET is updated document from
PRELIMINARY DATA SHEET DOD-PP-1168(2).
All information is subject to change without notice.
Please confirm the sales representative before
starting to design your system.
Document Number: DOD-PP-1225 (1st edition)
Published date: May 2011 CP(N)
1 © NEC LCD Technologies, Ltd.
2011 All rights reserved.



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NL6448BC18-07
INTRODUCTION
The Copyright to this document belongs to NEC LCD Technologies, Ltd. (hereinafter called "NEC").
No part of this document will be used, reproduced or copied without prior written consent of NEC.
NEC does and will not assume any liability for infringement of patents, copyrights or other intellectual
property rights of any third party arising out of or in connection with application of the products
described herein except for that directly attributable to mechanisms and workmanship thereof. No license,
express or implied, is granted under any patent, copyright or other intellectual property right of NEC.
Some electronic parts/components would fail or malfunction at a certain rate. In spite of every effort to
enhance reliability of products by NEC, the possibility of failures and malfunction might not be avoided
entirely. To prevent the risks of damage to death, human bodily injury or other property arising out
thereof or in connection therewith, each customer is required to take sufficient measures in its safety
designs and plans including, but not limited to, redundant system, fire-containment and anti-failure.
The products are classified into three quality grades: "Standard", "Special", and "Specific" of the
highest grade of a quality assurance program at the choice of a customer. Each quality grade is designed
for applications described below. Any customer who intends to use a product for application other than
that of Standard quality grade is required to contact an NEC sales representative in advance.
The Standard quality grade applies to the products developed, designed and manufactured in
accordance with the NEC standard quality assurance program, which are designed for such application as
any failure or malfunction of the products (sets) or parts/components incorporated therein a customer
uses are, directly or indirectly, free of any damage to death, human bodily injury or other property, like
general electronic devices.
Examples: Computers, office automation equipment, communications equipment, test and measurement
equipment, audio and visual equipment, home electronic appliances, machine tools, personal
electronic equipment, industrial robots, etc.
The Special quality grade applies to the products developed, designed and manufactured in accordance
with an NEC quality assurance program stricter than the standard one, which are designed for such
application as any failure or malfunction of the products (sets) or parts/components incorporated therein
a customer uses might directly cause any damage to death, human bodily injury or other property, or
such application under more severe condition than that defined in the Standard quality grade without
such direct damage.
Examples: Control systems for transportation equipment (automobiles, trains, ships, etc.), traffic control
systems, anti-disaster systems, anti-crime systems, medical equipment not specifically
designed for life support, safety equipment, etc.
The Specific quality grade applies to the products developed, designed and manufactured in accordance
with the standards or quality assurance program designated by a customer who requires an extremely
higher level of reliability and quality for such products.
Examples: Military systems, aircraft control equipment, aerospace equipment, nuclear reactor control
systems, medical equipment/devices/systems for life support, etc.
The quality grade of this product is the "Standard" unless otherwise specified in this document.
DATA SHEET DOD-PP-1225 (1st edition)
2



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NL6448BC18-07
CONTENTS
INTRODUCTION ........................................................................................................................................2
1. OUTLINE..................................................................................................................................................4
1.1 STRUCTURE AND PRINCIPLE ........................................................................................................4
1.2 APPLICATION ....................................................................................................................................4
1.3 FEATURES ..........................................................................................................................................4
2. GENERAL SPECIFICATIONS..............................................................................................................5
3. BLOCK DIAGRAM .................................................................................................................................6
4. DETAILED SPECIFICATIONS.............................................................................................................8
4.1 MECHANICAL SPECIFICATIONS ...................................................................................................8
4.2 ABSOLUTE MAXIMUM RATINGS..................................................................................................8
4.3 ELECTRICAL CHARACTERISTICS...............................................................................................10
4.3.1 LCD panel signal processing board ...........................................................................................10
4.3.2 Backlight lamp ...........................................................................................................................10
4.3.3 Power supply voltage ripple.......................................................................................................10
4.3.4 Fuse............................................................................................................................................10
4.4 POWER SUPPLY VOLTAGE SEQUENCE .....................................................................................11
4.4.1 LCD panel signal processing board ...........................................................................................11
4.4.2 LED driver board .......................................................................................................................11
4.5 CONNECTIONS AND FUNCTIONS FOR INTERFACE PINS ......................................................12
4.5.1 LCD panel signal processing board ...........................................................................................12
4.5.2 Positions of plugs and a socket ..................................................................................................13
4.6 DISPLAY COLORS AND INPUT DATA SIGNALS.......................................................................14
4.7 DISPLAY POSITIONS ......................................................................................................................15
4.8 SCANNING DIRECTIONS ...............................................................................................................15
4.9 INPUT SIGNAL TIMINGS ...............................................................................................................16
4.9.1 Outline of input signal timings ..................................................................................................16
4.9.2 Timing characteristics................................................................................................................17
4.9.3 Input signal timing chart ............................................................................................................19
4.10 OPTICS.............................................................................................................................................22
4.10.1 Optical characteristics..............................................................................................................22
4.10.2 Definition of contrast ratio.......................................................................................................23
4.10.3 Definition of luminance uniformity .........................................................................................23
4.10.4 Definition of response times ....................................................................................................23
4.10.5 Definition of viewing angles....................................................................................................23
5. ESTIMATED LUMINANCE LIFETIME............................................................................................24
6. RELIABILITY TESTS ..........................................................................................................................25
7. PRECAUTIONS .....................................................................................................................................26
7.1 MEANING OF CAUTION SIGNS ....................................................................................................26
7.2 CAUTIONS ........................................................................................................................................26
7.3 ATTENTIONS....................................................................................................................................26
7.3.1 Handling of the product .............................................................................................................26
7.3.2 Environment...............................................................................................................................27
7.3.3 Characteristics............................................................................................................................27
7.3.4 Others.........................................................................................................................................27
8. OUTLINE DRAWINGS.........................................................................................................................28
DATA SHEET DOD-PP-1225 (1st edition)
3



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NL6448BC18-07
1. OUTLINE
1.1 STRUCTURE AND PRINCIPLE
Color LCD module NL6448BC18-07 is composed of the amorphous silicon thin film transistor liquid
crystal display (a-Si TFT LCD) panel structure with driver LSIs for driving the TFT (Thin Film
Transistor) array and a backlight.
The a-Si TFT LCD panel structure is injected liquid crystal material into a narrow gap between the
TFT array glass substrate and a color-filter glass substrate.
Color (Red, Green, Blue) data signals from a host system (e.g. signal generator, etc.) are modulated
into best form for active matrix system by a signal processing board, and sent to the driver LSIs which
drive the individual TFT arrays.
The TFT array as an electro-optical switch regulates the amount of transmitted light from the backlight
assembly, when it is controlled by data signals. Color images are created by regulating the amount of
transmitted light through the TFT array of red, green and blue dots.
1.2 APPLICATION
For industrial use
1.3 FEATURES
Thin structure, Lightweight
High contrast
Wide viewing angle
Wide temperature range
6-bit digital RGB signals
DE (Data enable) function
Reversible-scan direction
LED backlight type
Acquisition product for UL60950-1/CSA C22.2 No.60950-1-03 (File number: E170632)
Compliant with the European RoHS directive (2002/95/EC)
DATA SHEET DOD-PP-1225 (1st edition)
4




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