NL12810CAC23_02A NEC, NL12810CAC23_02A Datasheet

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NL12810CAC23_02A

Manufacturer Part Number
NL12810CAC23_02A
Description
TFT COLOR LCD MODULE
Manufacturer
NEC
Datasheet
Document No. EN0427EJ1V0DS00 (1st edition)
Date Published February 1999 P
Printed in Japan
DESCRIPTION
amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. NL128102AC23-02A
has a built-in backlight with an inverter.
16 million colors simultaneously). Also, it has multi-scan function.
FEATURES
• Wide viewing angle (with retardation film)
• CRT interface board
• Multi-scan function: e.g., SXGA, XGA, SVGA, VGA, VGA-TEXT, MAC
• Incorporated edge type backlight with an inverter (Four lamps into two lamp holders)
• Lamp holder replaceable
All trademarks used within this document are the property of their respective owners. VESA, DDC, DPMS and
EDID are trademarks of the Video Electronics Standard Association.
APPLICATIONS
• Desk-top type of PC
• Engineering work station
NL128102AC23-02A is a TFT (thin film transistor) active matrix color liquid crystal display (LCD) comprising
The 39 cm (15.4 inches) diagonal display area contains 1280
NL128102AC23-02A is a model which mounted the CRT interface board on NL128102AC23-02.
• Auto recognition of input signal (Analog RGB signals, Synchronous signals (Hsync, Vsync, Composite))
• Digital control: e.g., Brightness, Display position, contrast, CLK delay
• Free supply voltage sequence
• Corresponding to DDC
• Corresponding to VESA
• On Screen Display
VESA : Video Electronics Standards Association
DPMS: Display Power Management Signaling
Regarding the use of OSD, please note that there is possibility of conflicts with a patent in Europe and the
U.S. Thus, if such conflict might happen when you use OSD, we shall not be responsible for any trouble.
39 cm (15.4 inches), 1280
The information in this document is subject to change without notice.
TM
TM
Incorporated backlight with inverter
1 and DDC2B
, DPMS
TM
Multi-scan Function
DATA SHEET
NL128102AC23-02A
• High luminance (200 cd/m
• Low reflection
DDC1 : Display Data Channel 1
DDC2B : Display Data Channel 2B
1024 pixels, Full-color,
1024 pixels and can display full-color (more than
TFT COLOR LCD MODULE
2
, TYP.)
©
1999

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NL12810CAC23_02A Summary of contents

Page 1

Incorporated backlight with inverter DESCRIPTION NL128102AC23-02A is a TFT (thin film transistor) active matrix color liquid crystal display (LCD) comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. NL128102AC23-02A ...

Page 2

... TFT array glass substrate and a color filter glass substrate. After the driver LSIs are connected to the panel, the backlight assembly is attached to the backside of the panel. RGB (red, green, blue) data signals from a source system is modulated into a form suitable for active matrix addressing by the onboard signal processor and sent to the driver LSIs which in turn addresses the individual TFT cells ...

Page 3

OUTLINE OF CHARACTERISTICS (at room temperature) Display area 305.28 (H) Drive system a-Si TFT active matrix Display colors Full-color Number of pixels 1280 Pixel arrangement RGB vertical stripe Pixel pitch 0.2385 (H) Module size 350.0 (H) Weight 1700 g (TYP.) ...

Page 4

GENERAL SPECIFICATIONS Item Module size 350.0 0.6 (H) Display area 305.28 (H) 244.224 (V) Number of dots 1280 3 (H) Number of pixels 1280 (H) 1024 (V) Dot pitch 0.0795 (H) 0.2385 (V) Pixel pitch 0.2385 (H) 0.2385 (V) Pixel ...

Page 5

ELECTRICAL CHARACTERISTICS (1) Logic, LCD driving, Backlight Parameter Symbol Supply voltage Logic input Low voltage V IL Logic input High voltage V IH Logic output Low voltage V OL Logic output High voltage V OH ...

Page 6

... BRT+ and BRT–) are connected to GND. Otherwise the module may cause malfunction. (2) If the power supply voltage is applied while UP and DOWN are connected to GND, the input control signals become ineffective. In this case, please turn off the power once and turn on the power while UP and DOWN are connected to GND again ...

Page 7

... Adaptable socket : MRF03-6P-1.27 (For cable type) or MRF03-6PR-SMT (For board to board type) Supplier : HIROSE ELECTRIC CO., LTD. Pin No. Symbol Pin No Note N.C. (No connection) should be open. CN102 Part No. : IL-Z-4PL-SMTY Adaptable socket : IL-Z-4S-S125C3 Supplier : Japan Aviation Electronics Industry Limited (JAE) Pin No. Symbol Pin No. 1 DDCCLK 3 2 DDCDAT ...

Page 8

... Pin No GNDB 10 5 GNDB 11 6 GNDB Note N.C. (No connection) should be open. <Connector location> Rear view CN201 Figure from socket view Symbol GND 8 7 GND GND GND Figure from socket view Symbol N. N.C. N.C. N.C. N.C. 1 CN101 ...

Page 9

Pin function Symbol I/O Logic Hsync/ Input Negative Csync Vsync Input Negative R Input – G Input – B Input – SEL Input Negative UP Input Negative DOWN Input Negative EXIT Input Negative OSDSEL Input – MENUSEL Input – ...

Page 10

... DD GND – – GNDB – – Remark Frame ground, system ground and backlight ground are not connected into the module. (3) LUMINANCE CONTROL SELECTION VOLSEL= Form See CONTROL FUNCTIONS How to adjust Note The status of VOLSEL is valid when the power is switched on. (4) FUNCTION DISPLAY SELECT ...

Page 11

OSD DESIGN SELECT MENUSEL= Form OSD display No. 1 How to adjust See CONTROL FUNCTIONS (OSD background is transparent) Note The status of MENUSEL is valid when the power is switched on. (6) Equivalent circuit Symbol I/O LEDON Output ...

Page 12

Input CN103 SEL UP DOWN EXIT VOLSEL OSDSEL <LED status> LED1: Brightness LED2: Contrast LED3: Horizontal display period LED4: CLK delay LED5: Vertical position LED6: Horizontal position LED7: Reserve LED8: All reset LED9: Reserve 12 LCD module ...

Page 13

INPUT SYNCHRONOUS SIGNAL This module can recognize the synchronous signals automatically as follows. Auto recognition mode Separate synchronous signal mode (Hsync, Vsync) Composite synchronous signal mode (CS) Sync. On Green mode Power save mode CONTROL FUNCTIONS FUNCTION ITEMS (1) The ...

Page 14

INDICATOR OF THE FUNCTIONS The selected functions can be indicated either LED or OSD (On Screen Display) by setting OSDSEL signal. OSDSEL = “H or “OPEN”: LED OSDSEL = “L” : OSD LED state show below table. Please see the ...

Page 15

Contrast and Sub Contract 5) Information 4) Horizontal display period, Clock delay, Vertical display position and Horizontal display position 6) All Reset Data Sheet EN0427EJ1V0DS00 NL128102AC23-02A 15 ...

Page 16

FLOW CHART OF CONTROL FUNCTIONS FOR SEL, UP, DOWN AND EXIT (LED) Power ON/Power save cancel START (Stand-by mode) SEL Yes VOLSEL = L No Contrast SEL Time out Yes Horizontal display period SEL Time out Yes 16 UP/DOWN EXIT ...

Page 17

CLK delay SEL EXIT Initialize Time out No Yes Vertical display position SEL EXIT Initialize Time out No Yes Horizontal display position SEL EXIT Initialize Time out No Yes Data Sheet EN0427EJ1V0DS00 NL128102AC23-02A UP/ DOWN + Or – UP/ DOWN ...

Page 18

All reset SEL All Initialize Time out No Yes Note 1. The value of the selected signals by UP and DOWN key is continuously incremented if the input signal is held more than approx. one second. If it’s less than ...

Page 19

SEL Brightness adjust display to <1> EXIT SEL Contrast adjust display to <2> EXIT SEL Position adjust display to <3> EXIT SEL Display information EXIT SEL All Reset adjust display to <4> EXIT Power ON/Power save cancel Start ...

Page 20

Brightness menu open Brightness UP DOWN Sub Brt DOWN Sub Brt DOWN Sub Brt DOWN Sub Brt. B <Contrast adjustment> Contrast menu open Contrast UP DOWN Sub Contrast R UP DOWN Sub ...

Page 21

Position menu open H. Size UP DOWN Clock phase UP DOWN H. Position UP DOWN V. Position UP DOWN SEL Reset EXIT <All Reset> UP/DOWN Yes/No select Notes 1. The value of the selected signals by UP and ...

Page 22

PRESET TIMINGNS The 19 kinds of timings below are already programmed in this module. The input synchronous signals are automatically recognized. Vsync Hsync No. Display size (Hz) (kHz) 1 640 480 59.992 31.469 2 720 400 70.087 31.469 3 800 ...

Page 23

Note 2. Sync on Green signal type (1) SonG type A There are no Hsync pulses in Vsync Period. Vsync <1> <2> (2) SonG type B There are Hsync pulses in Vsync Period. Vsync <1> <2> <1> Display level, <2> ...

Page 24

... In the writing mode, LEDON and LEDOFF signals output alternately “H” and “L”, and LEDs blink alternately. Please write data into necessary addresses in advance, when you use this function. Data “55H” is set in the address “00H” when the module is shipped. The input equivalent circuit diagram is as follows. ...

Page 25

INPUT SIGNAL TIMING (1) SXGA Mode (Standard) Name Symbol CLK Frequency 1/tc Rise/Fall tcrf Pulse-width tc/tcl Hsync Period th Display thd Front-porch thf Pulse-width thp Back-porch thb Pulse-width thbp +Back-porch V-Hsync thvh hold/setup time thvs Rise/Fall thrf Vsync Period tv ...

Page 26

Vsync Display period thp Hsync thbp Display period Vsync Hsync 26 tv tvb tvd th thb thd thvh thvs Data Sheet EN0427EJ1V0DS00 NL128102AC23-02A tvf thf ViH ...

Page 27

INPUT SIGNAL AND DISPLAY POSITION (1) SXGA Standard Timing Pixels (2, 1) • • • • • • • • D (1023 ...

Page 28

... This LCD module has the function that expands vertical direction as shown in the following table. And expanding horizontal direction is possible by setting input CLK frequency equivalent to the magnification necessary to make this CLK outside of this LCD module. Please adopt this mode after evaluating display quality, because the appearance in the expansion mode is happened to be relatively bad in some cases ...

Page 29

Setting serial data for expansion Input signal System Hsync Vsync Mode CLK [kHz] [Hz] [MHz] SXGA 108.0 63.981 60.02 (1280 117.0 71.691 67.189 1024) 125.0 75.120 71.204 130.076 76.968 72.000 135.0 78.125 72.005 135.0 79.976 75.025 XGA 65* 48.363 ...

Page 30

Display Image 1. XGA mode (1024 768) Horizontal : Vertical : 2. SVGA mode (800 600) Horizontal : Vertical : 3. VGA mode (640 480) Horizontal : Vertical : 4. VGA text mode (720 400) Horizontal : Vertical : ...

Page 31

SUN mode (1152 900) Horizontal : 1.1 (1,152 pixels) Vertical : 1.1 (990 pixels) SXGA (1,280 Black display area Data Sheet EN0427EJ1V0DS00 NL128102AC23-02A 1,024) 31 ...

Page 32

OPTICAL CHARACTERISTICS Item Symbol Luminance Lvmax White Contrast ratio CR White/Black, at center Luminance uniformity – White Reference data Item Symbol Viewing angle range R CR > 10 > 10, ...

Page 33

The luminance is measured at near the five points shown below. 213 1 Row 4 4. Definitions of viewing angle are as follows. L– Left Lower 5. Definition of response time is as follows. Photo-detector output signal is measured ...

Page 34

RELIABILITY TEST Test item High temperature/humidity operation Heat cycle (operation) Thermal shock (non-operation) Vibration (non-operation) Notes 1, 2 Mechanical shock (non-operation) Notes 1, 2 ESD (operation) Notes 1, 3 Dust (operation) Notes 1. Display function is checked by the same ...

Page 35

... LCD module should be avoided the surface of polarizer is very soft and easily scratched, use a soft dry cloth without chemicals for cleaning not pull the interface connectors in or out while the LCD module is operating. e) Put the module display side down on that horizontal plane. f) Handle connectors and cables with care ...

Page 36

Other cautions a) Do not disassemble and/or reassemble LCD module not readjust variable resistors or switches, etc. c) When returning the module for repair or etc, please pack the module not to be broken. We recommend to ...

Page 37

OUTLINE DRAWING: Front View (Unit: mm) 0.3 5 0.3 6 0.3 10 Remark The torque to mounting screw should never exceed 0.392 · kgf · cm). 0.7 105.35 0.6 284.8 0.3 248.9 0.3 227.7 0.3 247.5 Data Sheet ...

Page 38

OUTLINE DRAWING: Rear View (Unit: mm) 21.8 24.6 CN1 CN8 CN7 1 31 CN101 CN102 134.9 5 Remark The torque to mounting screw should never exceed 0.392 · kgf · cm). 38 CN3 CN2 CN9 ...

Page 39

Data Sheet EN0427EJ1V0DS00 NL128102AC23-02A 39 ...

Page 40

... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is “Standard” unless otherwise specified in NEC’s Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance ...

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