NEC NL10276BC24-13C Specification

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TFT COLOR LCD MODULE

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NL10276BC24-13C

31cm (12.1 Type)

XGA

LVDS interface (1port)

DATA SHEET

DOD-PP-0483 (2nd edition)

This DATA SHEET is updated document from
DATA SHEET DOD-PP-0193(1).

All information is subject to change without notice.
Please confirm the sales representative before
starting to design your system.

Document Number: DOD-PP-0483 (2nd edition)
Published date: February 2008 CP(N)

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¤ NEC LCD Technologies, Ltd.

2007-2008 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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NL10276BC24-13C

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.

The quality grade of this product is the "Standard" unless otherwise specified in this document.

quality for such products.

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INTRODUCTION ................................................................................................................................................2

1. OUTLINE..........................................................................................................................................................4

1.1 STRUCTURE AND PRINCIPLE.................................................................................................................4

1.2 APPLICATIONS........................................................................................................................................... 4

1.3 FEATURES...................................................................................................................................................4

2. GENERAL SPECIFICATIONS ......................................................................................................................5

3. BLOCK DIAGRAM .........................................................................................................................................6

4. DETAILED SPECIFICATIONS ..................................................................................................................... 7

4.1 MECHANICAL SPECIFICATIONS............................................................................................................7

4.2 ABSOLUTE MAXIMUM RATINGS ..........................................................................................................7

4.3 ELECTRICAL CHARACTERISTICS......................................................................................................... 8

4.3.1 LCD panel signal processing board ......................................................................................................... 8

4.3.2 Backlight lamp.........................................................................................................................................9

4.3.3 Power supply voltage ripple.....................................................................................................................11

4.3.4 Fuse.......................................................................................................................................................... 11

4.4 POWER SUPPLY VOLTAGE SEQUENCE ................................................................................................12

4.4.1 LCD panel signal processing board ......................................................................................................... 12

4.4.2 Inverter..................................................................................................................................................... 12

4.5 CONNECTIONS AND FUNCTIONS FOR INTERFACE PINS.................................................................13

4.5.1 LCD panel signal processing board ......................................................................................................... 13

4.5.2 Backlight lamp.........................................................................................................................................14

4.5.3 Positions of plug and socket ....................................................................................................................14

4.5.4 Connection between receiver and transmitter for LVDS .........................................................................15

4.6 DISPLAY COLORS AND INPUT DATA SIGNALS ..................................................................................17

4.6.1 Combinations between input data signals and FRC signal ......................................................................17

4.6.2 16,777,216 colors..................................................................................................................................... 18

4.6.3 262,144 colors..........................................................................................................................................19

4.7 DISPLAY POSITIONS.................................................................................................................................20

4.8 SCANNING DIRECTIONS .........................................................................................................................20

4.9 INPUT SIGNAL TIMINGS..........................................................................................................................21

4.9.1 Outline of input signal timings ................................................................................................................21

4.9.2 Timing characteristics..............................................................................................................................

4.9.3 Input signal timing chart ..........................................................................................................................23

4.10 OPTICS.......................................................................................................................................................24

4.10.1 Optical characteristics............................................................................................................................24

4.10.2 Definition of contrast ratio..................................................................................................................... 25

4.10.3 Definition of luminance uniformity.......................................................................................................25

4.10.4 Definition of response times .................................................................................................................. 25

4.10.5 Definition of viewing angles..................................................................................................................25

5. RELIABILITY TESTS.....................................................................................................................................26

6. PRECAUTIONS ...............................................................................................................................................27

6.1 MEANING OF CAUTION SIGNS .............................................................................................................. 27

6.2 CAUTIONS ..................................................................................................................................................27

6.3 ATTENTIONS ..............................................................................................................................................27

6.3.1 Handling of the product ........................................................................................................................... 27

6.3.2 Environment ............................................................................................................................................28

6.3.3 Characteristics..........................................................................................................................................28

6.3.4 Other ........................................................................................................................................................29

7. OUTLINE DRAWINGS ................................................................................................................................... 30

7.1 FRONT VIEW..............................................................................................................................................30

7.2 REAR VIEW ................................................................................................................................................ 31

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NL10276BC24-13C

CONTENTS

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1. OUTLINE

1.1 STRUCTURE AND PRINCIPLE

Color LCD module NL10276BC24-13C 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.

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NL10276BC24-13C

1.2 APPLICATIONS

x For industrial use

1.3 FEATURES

x Adoption of ST-NLT (Super-Transmissive Natural Light TFT)
x High resolution
x High luminance
x High contrast
x Wide viewing angle
x Wide temperature range
x Low reflection
x LVDS interface
x Reversible-scan direction
x Selectable 8bit or 6bit digital signals for data of RGB
x Edge light type (without inverter)
x Replaceable lamp for backlight
x Acquisition product for UL60950-1/CSA-C22.2 No.60950-1-03 (File number: E170632)
x Compliance with the European RoHS directive(2002/95/EC)

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2. GENERAL SPECIFICATIONS

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NL10276BC24-13C

Display area

Diagonal size of display

Drive system

Display color

Pixel

Pixel arrangement

Dot pitch

Pixel pitch

Module size

Weig ht

Contrast ratio

Viewing angle

Designed viewing direction

Polarizer surface

Polarizer pencil-hardness

Color gamut

Response time

Luminance

Signal system

Power supply voltage

245.76 (H) u 184.32 (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)

1,024 (H) u 768 (V) pixels

RGB (Red dot, Green dot, Blue dot) vertical stripe

0.08 (H) u 0.24 (V) mm

0.24 (H) u 0.24 (V) mm

280.0 (W) u 210.0 (H) u 13.0 (D) mm (typ.)

755g (typ.)

600:1 (typ.)

At the contrast ratio t 10:1

x Horizontal: Right side 70q (typ.), Left side 70q (typ.)
x Vertical: Up side 45q (typ.), Down side 55q (typ.)

At DPS= Low or Open: Normal scan

x Viewing direction without image reversal: up side (12 o'clock)
x Viewing direction with contrast peak: down side (6 o'clock)
x Viewing angle with optimum grayscale (J=2.2): normal axis

(Perpendicular)

Clear + Antireflection (AR)

2H (min.) [by JIS K5400]

At LCD panel center

40 % (typ.) [against NTSC color space]

Ton + Toff (10%

33 ms (typ.)

At lamp current IBL=5.0mArms / lamp

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)

LCD panel signal processing board: 3.3V

Edge light type: 2 cold cathode fluorescent lamps

2

(typ.)

mo

90%)

Replaceable parts

Backlight

Power consumption

x Lamp holder set: Type No. 121LHS18

Recommended inverter (Option)

x Inverter: Type No. 121PW181

At IBL=5.0mArms / lamp, Checkered flag pattern

7.0 W (typ., Power dissipation of the inverter is not included.)

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p

3. BLOCK DIAGRAM

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NL10276BC24-13C

Host

D0+

D0­D1+

D1­D2+

D2­D3+

D3-

CLK+

CLK-

DPS
FRC

GND

Note1

Note2

VCC

LCD module (Product)

100:

100:

100:

100:

Controller with receiver for LVDS

100:

Power supply
for gradation

Note3

51k:

DC/DC

Fuse

converter

V-driver

H-driver

3,072 lines

LCD panel

H: 1,024 × 3 (R, G, B)
V: 768

768 lines

FG

Note1
Note2

VDDB

GNDB

Note1
Note2

LCD panel signal processing board

VBLH

Inverter (Option)

VBLH

VBLC

Note1

Backlight (Edge light type)

Lam

Lamp

Metallic frame of lamp holder

Note1: Relations between GND (Signal ground), FG (Frame ground) and VBLC (Lamp low voltage

terminal) in the LCD module are as follows.

GND - FG Not connected
GND - VBLC Not connected
FG - VBLC Not connected

Note2: GND, FG and GNDB must be connected to customer equipment's ground, and it is

recommended that these grounds are connected together in customer equipment.

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Note3: Pull-down resistance of DPS pin

min. typ max.

20 50 132

4. DETAILED SPECIFICATIONS

4.1 MECHANICAL SPECIFICATIONS

Parameter Specification Unit

Module size

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(k:)

280.0 r 0.5 (W) u 210.0 r 0.5 (H) u 13.0 (typ., D)

13.7 (max., D)

NL10276BC24-13C

Note1 mm

Display area

Weight 755 (typ.), 785 (max.) g

Note1: See "7. OUTLINE DRAWINGS".

4.2 ABSOLUTE MAXIMUM RATINGS

Parameter Symbol Rating Unit Remarks

Power supply

voltage

Input voltage for

signals

Operating

temperature

LCD panel signal processing board VCC -0.3 to +4.0 V

Lamp VBLH 1,800 Vrms

Display signals

Note1

Function signal 1

Note2

Function signal 2

Note3

Incident light intensity II 150,000 lx Note4

Storage temperature Tst -20 to +80

Front surface TopF -10 to +70

Rear surface TopR -10 to +70

245.76 (H) u 184.32 (V)

VD

VF1

VF2

-0.3 to VCC+0.3 V

qC

qC

qC

Note1 mm

Ta = 25qC

-

Note5

Note6

Relative humidity

Note7

Absolute humidity

Note7

RH

AH

d 95

d 85
d 70

Note8

%

%

g/m

3

Note1: Display signals are D0+/-, D1+/-, D2+/-, D3+/- and CLK+/-.

Note2: Function signal 1 is DPS.

Note3: Function signal 2 is FRC.

Note4: If the product surface (polarizer) is exposed to an ultraviolet ray, the polarizer may discolor

(Surface treatment may be damaged.). Use a filter to protect the polarizer from the ultraviolet

ray.
Note5: Measured at center of LCD panel surface (including self-heat)
Note6: Measured at center of LCD module's rear shield surface (including self-heat)
Note7: No condensation
Note8: Water amount at Ta = 50°C and RH = 85%

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Ta d 40qC

40 < Ta d 50qC

Ta > 50qC

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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 voltage VCC 3.0 3.3 3.6 V -

Power supply current ICC -

Permissible ripple voltage VRP - - 100 mVp-p for VCC

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290

Note1

NL10276BC24-13C

450

Note2

mA at VCC = 3.3V

(Ta = 25qC)

Differential input threshold

voltage for LVDS receiver

Terminating resistance RT - 100 -

Input voltage for DPS signal

Input voltage for FRC signal

High VTH - - +100 mV

Low VTL -100 - - mV

High VFH1 0.7VCC - VCC V

Low VFL1 0 - 0.8 V

High VFH2 2.0 - VCC V

Low VFL2 0 - 0.8 V

Note1: Checkered flag pattern [by EIAJ ED-2522]
Note2: Pattern for maximum current
Note3: Common mode voltage for LVDS receiver

at VCM=1.2V

Note3

:

-

-

-

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~

~

~

~

4.3.2 Backlight lamp

Parameter Symbol min. typ. max. Unit Remarks

Lamp current IBL 2.0 5.0 5.5 mArms

Lamp voltage VBLH - 570 - Vrms Note2,Note3

Lamp starting voltage VS

Lamp oscillation frequency FO 58 63 68 kHz Note6

Note1: This product consists 2 backlight lamps, and these specifications are for each lamp.

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970 - - Vrms

1,410 - - Vrms

NL10276BC24-13C

(Ta=25qC, Note1)

At IBL=5.0mArms:

400cd/m

Note3, Note4

Ta = 25qC

Note2, Note3,

Note5, Note8

Ta = -10qC

Note2, Note3,

Note5, Note8

2

Note2: The lamp voltage cycle between lamps should be kept on a same phase. "VS" and "VBLH"

are the voltage value between low voltage side (Cold) and high voltage side (Hot).

Note3: The asymmetric ratio of working waveform for lamps (Power supply voltage peak ratio,

power supply current peak ratio and waveform space ratio) should be less than 5 % (See the

following figure.). If the waveform is asymmetric, DC (Direct current) element apply into the

lamp. In this case, a lamp lifetime may be shortened, because a distribution of a lamp

enclosure substance inclines toward one side between low voltage terminal (Cold terminal)

and high voltage terminal (Hot terminal). When designing the inverter, evaluate asymmetric of

lamp working waveform sufficiently.

Pa

Pa - Pb

Pb

Sa - Sb

Sb

u 100 d 5 %

u 100 d 5 %

Pb

Sa

0

Sb

Pa: Supply voltage/current peak for positive, Pb: Supply voltage/current peak for negative
Sa: Waveform space for positive part, Sb: Waveform space for negative part

Note4: This product consists of 2 lamps. 2 lamps are contained in the 1 lamp holder, and both lamps

are connected to 1 low voltage cable. Recommendation lamp current is 5.0mArms typical for

each lamp, and sum of 2 lamps is 10mArms typical. The lamp current should be measured by

high-frequency current meter at the low voltage terminal.

Note5: The inverter should be designed so that the lamp starting voltage can be maintained for more

than 1 second. Otherwise the lamp may not be turned on.

Note6: In case "FO" is not the recommended value, beat noise may display on the screen, because of

interference between "FO" and "1/th". Recommended value of "FO" is as following.

FO

1

=

4

1

th

u

(2n-1)

u

th: Horizontal cycle (See "4.9.2 Timing characteristics".)
n: Natural number (1, 2, 3 )

Note7: Method of lamp cable installation may invite fluctuation of lamp current and voltage or

asymmetric of lamp working waveform. When designing method of lamp cable installation,

evaluate the fluctuation of lamp current, voltage and working waveform sufficiently.

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Note8: In case of Inverter with Ballast condenser, "VS" is the voltage level between Ballast condenser

and Connector (Refer to the below “Example of measurement”). "VS" should be designed to be
more than minimum "VS". Otherwise the lamp may not be turned on because the lamp starting
voltage is less than minimum "VS".

Example of measurement

Probe capacity : 3pF(Tektronix.inc. : P6015A)

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NL10276BC24-13C

Ballast condenser

Transformer

Inverter

Connector

(Lamp side)

Probe capacity

High voltage probe

VS

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