NEC NL12880BC20-05 Specification
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TFT COLOR LCD MODULE
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NL12880BC20-05
31cm (12.1 Type)
WXGA
LVDS interface (1port)
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DOD-PP-0936 (1st edition)
All information is subject to change without notice.
Please confirm the sales representative before
starting to design your system.
Document Number: DOD-PP-0936 (1st edition)
Published date: February 2010 CP(N)
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¤ NEC LCD Technologies, Ltd.
2010 All rights reserved.
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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.
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NL12880BC20-05
INTRODUCTION
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
Examples: Military systems, aircraft control equipment, aerospace equipment, nuclear reactor control
systems, medical equipment/devices/systems for life support, etc.
quality for such products.
The quality grade of this product is the "Standard" unless otherwise specified in this document.
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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................................................................................................. 9
4.3.1 LCD panel signal processing board .............................................................................................9
4.3.2 Backlight....................................................................................................................................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 Backlight lamp...........................................................................................................................13
4.5.3 Positions of plug and socket ......................................................................................................13
4.5.4 Connection between receiver and transmitter for LVDS........................................................... 14
4.5.5 Input data mapping ....................................................................................................................17
4.6 DISPLAY COLORS AND INPUT DATA SIGNALS....................................................................... 18
4.6.1 Combinations between input data signals, FRC signal and MSL signal ...................................18
4.6.2 16,777,216 colors....................................................................................................................... 19
4.6.3 262,144 colors............................................................................................................................20
4.7 DISPLAY POSITIONS ..........................................................................................................
4.8 SCANNING DIRECTIONS ...............................................................................................................21
4.9 INPUT SIGNAL TIMINGS ...............................................................................................................22
4.9.1 Outline of input signal timings ..................................................................................................22
4.9.2 Timing characteristics................................................................................................................ 23
4.9.3 Input signal
4.10 OPTICS.............................................................................................................................................25
4.10.1 Optical characteristics..............................................................................................................25
4.10.2 Definition of contrast ratio....................................................................................................... 26
4.10.3 Definition of luminance uniformity.........................................................................................26
4.10.4 Definition of response times ....................................................................................................26
4.10.5 Definition of viewing angles....................................................................................................26
5. ESTIMATED LUMINANCE LIFETIME............................................................................................27
6. RELIABILITY TESTS ..........................................................................................................................28
7. PRECAUTIONS .....................................................................................................................................29
7.1 MEANING OF CAUTION SIGNS ....................................................................................................29
7.2 CAUTIONS ........................................................................................................................................29
7.3 ATTENTIONS....................................................................................................................................29
7.3.1 Handling of the product .............................................................................................................29
7.3.2 Environment...............................................................................................................................30
7.3.3 Characteristics............................................................................................................................30
7.3.4 Other ..........................................................................................................................................30
8. OUTLINE DRAWINGS.........................................................................................................................31
8.1 FRONT VIEW....................................................................................................................................31
8.2 REAR VIEW ......................................................................................................................................32
timing chart ............................................................................................................24
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NL12880BC20-05
CONTENTS
............21
REVISION HISTORY ...............................................................................................................................33
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1. OUTLINE
1.1 STRUCTURE AND PRINCIPLE
Color LCD module NL12880BC20-05 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 circuit, 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.
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NL12880BC20-05
1.2 APPLICATION
x For industrial use
1.3 FEATURES
x Ultra Wide viewing angle (Adoption of Ultra-Advanced Super Fine TFT (UA-SFT))
x LED backlight type
x Wide temperature range
x High luminance
x High contrast
x LVDS interface
x Reversible-scan direction
x Selectable 8bit or 6bit digital signals for data of RGB
x Replaceable lamp holder for backlight
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2. GENERAL SPECIFICATIONS
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NL12880BC20-05
Display area
Diagonal size of display
Drive system
Display color
Pixel
Pixel arrangement
Dot pitch
Pixel pitch
Module size
Weight
Contrast ratio
Viewing angle
Designed viewing direction
Polarizer surface
Polarizer pencil-hardness
261.12 (H) u 163.2 (V) mm
31cm (12.1 inches)
a-Si TFT active matrix
16,777,216 colors (At 8-bit input, FRC terminal= High)
262,144 colors (At 6-bit input, FRC terminal= Low or Open)
1280 (H) u 800 (V) pixels
RGB (Red dot, Green dot, Blue dot) vertical stripe
0.068 (H) u 0.204 (V) mm
0.204 (H) u 0.204 (V) mm
277.7 mm (W) (typ.) u 180.6 mm (H) (typ.) u 8.7 (D) mm (typ.)
TBD g (typ.)
(700):1 (typ.)
t
At the contrast ratio
x Horizontal: Right side 88q (typ.), Left side 88q (typ.)
x Vertical: Up side 88q (typ.), Down side 88q (typ.)
x Viewing angle with optimum grayscale (Jล2.2): normal axis
Clear
3H (min.) [by JIS K5400]
10:1
(perpendicular)
Color gamut
Response time
Luminance
Signal system
Power supply voltage
Backlight
Power consumption
At LCD panel center
(40)% (typ.) [against NTSC color space]
Ton+Toff (10%
(25)ms (typ.)
At IL=(50)mA/One circuit
(400) cd/m
LVDS 1port
(Receiver: THC63LVDF84B, THine Electronics Inc. or equivalent)
[8bit/6bit digital signals for data of RGB colors, Dot clock (CLK),
Data enable (DE), Selection of LVDS input map (MSL)]
LCD panel signal processing board: 3.3V
LED backlight type:
Replaceable part
x Lamp holder set: Type No. TBD
Recommended LED Driver board (Option)
x LED driver board :Type No. 104PW03F
At IL=(50)mA/One circuit, Checkered flag pattern
(6.45) W (typ.)
mo
2
(typ.)
90%)
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k
K
k
k
3. BLOCK DIAGRAM
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NL12880BC20-05
Host
D0+
D0-
D1+
D1-
D2+
D2-
D3+
D3-
CLK+
CL
MSL
DPS
FRC
GND
Note1
Note2
VCC
LCD module (Product)
H-driver
100:
3,840 lines
100:
100:
LCD panel
100:
H: 1280 × 3 (R, G, B)
V: 800
V-driver
-
100:
:
50
:
47
Controller with receiver for LVDS
Power supply
for gradation
:
50
800 lines
DC/DC
Fuse
converter
FG
LCD panel signal processing board
Note1
Note2
Anode
Cathode
4
4
Backlight Note3
Note1: Relations between GND (Signal ground), FG (Frame ground) in the LCD module are as
follows.
GND - FG Connected
Note2: GND and FG must be connected to customer equipment’s ground, and it is recommended that
these grounds be connected together in customer equipment.
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Note3: Backlight in detail
Anode 1
Cathode 1
Anode 2
Cathode 2
Anode 3
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NL12880BC20-05
Backlight
Cathode 3
Anode 4
Cathode 4
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4. DETAILED SPECIFICATIONS
4.1 MECHANICAL SPECIFICATIONS
Parameter Specification Unit
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NL12880BC20-05
Module size
Display area
Weight TBD g
277.7 r 0.5 (W) u 180.6 r 0.5 (H) u 9.2 max. (D)
Note1: See "8. OUTLINE DRAWINGS".
4.2 ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Rating Unit Remarks
Power supply
voltage
Input voltage
for signals
Backlight Forward current IL TBD mA per one circuit
Operating temperature
LCD panel signal processing board VCC -0.3 to +3.6 V
Display signals
Note1
Function signals
Note2
Storage temperature Tst -30 to +80
Front surface TopF -20 to +70
Rear surface TopR -20 to +70
261.12 (H) u 163.2 (V)
VD
VF
-0.3 to +3.6
and
< VCC+0.3
d 95
Note1 mm
Note1 mm
V
qC
qC
qC
%
-
-
Note3
Note4
Ta d 40qC
Relative humidity
Note5
Absolute humidity
Note5
RH
AH
d 85
d 55
d 36
d 70
Note6
%
%
%
g/m
3
Note1: D0+/-, D1+/-, D2+/-, D3+/-, CLK+/Note2: FRC, DPS and MSL
Note3: Measured at center of LCD panel surface (including self-heat)
Note4: Measured at center of LCD module's rear shield surface (including self-heat)
Note5: No condensation
Note6: Water amount at Ta= 70°C and RH= 36%
40qC <Tad 50qC
50qC <Tad 60qC
60qC <Tad 70qC
Ta > 70qC
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4.3 ELECTRICAL CHARACTERISTICS
4.3.1 LCD panel signal processing board
Parameter Symbol min. typ. max. Unit Remarks
Power supply vo VCC 3.0 3.3 3.6 V -ltage
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NL12880BC20-05
(Ta= 25qC)
Power supply current ICC -
Permissible ripple voltage VRP - - 100 mVp-p for VCC
Differential input
threshold voltage
Terminating resistance RT - 100 -
Input voltage f
DPS,FRC a
signals
Input current for
FRC and MSL signal
N flag pattern [by EIAJ ED-2522]
ote1: Checkered
N ttern for maximum current
ote2: Pa
or
nd MSL
High VTH - - +100 mV
Low VTL -100 - - mV
High VFH 0.7VCC - VCC V
Low VFL 0 - 0.3VCC V
High IFH - - 300
Low IFL -300 - -
(500)
Note1
(860)
Note2
mA at VCC= 3.3V
at VCM= 1.2V
:
CMOS level
PA
PA
Note3: Common mode voltage for LVDS receiver
Note3
-
-
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4.3.2 Backlight
Parameter Symbol min. typ. max. Unit Remarks
Forward current IL - 50.0 55.0 mA -
Forward Voltage VL
Note1: Please drive with constant current.
Note2: The
Luminance uniformity may be changed depending on the current variation between 4 circuits.
It is recommended that the current value difference among the circuits be less than 5%.
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21.2 (24.0) 27.2 V
(19.3) - - V
- - 29.2 V
- - 29.5 V
NL12880BC20-05
(Note1, Note2)
Ta= +25qC
at IL= 50 mA
/One circuit
Ta= +70qC
at IL= 50 mA
/One circuit
Ta= -20qC
at IL= 50 mA
/One circuit
Ta= -20qC
at IL= 55 mA
/One circuit
4.3.3 Power supply voltage ripple
This product works, even if the ripple voltage levels are over the permissible values as the following
table, but there might be noise on the display image.
Power supply voltage
VCC 3.3V
Ripple voltage Note1
(Measure at input terminal of power supply)
d 100
Note1: The permissible ripple voltage includes spike noise.
4.3.4 Fuse
Parameter
Type Supplier
VCC FCC16202AB
Fuse
KAMAYA
ELECTRIC Co., Ltd
Rating Fusing current Remarks
2.0A
4.0A Note1
32V
Note1: The power supply’s rated current must be more than the fusing current. If it is less than the
fusing current, the fuse may not blow in a short time, and then nasty smell, smoke and so on
may occur.
Unit
mVp-p
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