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Número de pieza | NL6448BC26-03 | |
Descripción | LCD Module | |
Fabricantes | NEC | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de NL6448BC26-03 (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
No Preview Available ! TFT COLOR LCD MODULE
NL6448BC26-03
21.4cm (8.4 Type)
VGA
PRELIMINARY DATA SHEET
(5th edition)
All information is subject to change without notice.
Document Number: DOD - M – 0972 (5th edition)
www.DPuatbaliSshheeedt4dUa.tnee: tApril 2002 N CP(N)
ã NEC Corporation
2002 All rights reserved.
1 page NL6448BC26-03
1. OUTLINE
1.1 STRUCTURE AND PRINCIPLE
NL6448BC26-03 module 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 unit.
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. PC, 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 APPLICATIONS
• Display terminal for control system
• Industrial PC
1.3 FEATURES
• High luminance
• Wide viewing angle
• 6-bit digital RGB signals
• Reversible-scan direction
• Edge light type
• Replaceable lamp for backlight unit (Inverter less)
• Suitable for setting in the portrait position (See "4.7.2 Setting the LCD module in the portrait
position (vertical)".
Comparison table of NL6448BC26-03 and NL6448BC26-01
Item NL6448BC26-03
Viewing angle
Horizontal
Vertical
Right side 40°, Left side 70°
Up side 55°, Down side 55°
NL6448BC26-01
Right side 55°, Left side 55°
Up side 40°, Down side 70°
5
PRELIMINARY DATA SHEET DOD - M - 0972
5
5 Page NL6448BC26-03
4.4 POWER SUPPLY VOLTAGE SEQUENCE
4.4.1 Sequence for LCD panel signal processing board
VCC 3.0V or 4.7V
Note1
0V
Display and
function signals
Note2
ON
Tr < 30ms
0ms < t < 35ms
VALID period
OFF
Toff > 50ms
0ms < t < 35ms
Note1: In terms of voltage variation (voltage drop) while VCC rising edge is below 3.0V in
"VCC = 3.3V" or 4.7V in "VCC = 5.0V", a protection circuit may work, and then this
product may not work.
Note2: Display (CLK, Hsync, Vsync, DE, R0 to R5, G0 to G5, B0 to B5) and function (DPSR)
signals must be Low or High-impedance, exclude the VALID period (See above sequence
diagram), in order to avoid that internal circuits is damaged.
If some of display and function signals of this product are cut while this product is
working, even if the signal input to it once again, it might not work normally. If customer
stops the display and function signals, they should be cut VCC.
4.4.2 Sequence for backlight inverter (Option)
Display and
function signals
Note1
Note2
VALID period
VDDB
Note1: These are the display and function signals for LCD panel signal processing board.
Note2: The backlight inverter voltage (VDDB) should be inputted within the valid period of
display and function signals, in order to avoid unstable data display.
PRELIMINARY DATA SHEET DOD - M - 0972
11
11 Page |
Páginas | Total 28 Páginas | |
PDF Descargar | [ Datasheet NL6448BC26-03.PDF ] |
Número de pieza | Descripción | Fabricantes |
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