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PDF NL6448BC33-31D Data sheet ( Hoja de datos )
| Número de pieza | NL6448BC33-31D | |
| Descripción | TFT Color LCD Module | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
TFT COLOR LCD MODULE
NL6448BC33-31D
26 cm (10.4 inches), 640 ´ 480 pixels, 262,144 colors,
Incorporated two-lamp/Edge-light type backlight
Wide viewing angle
DESCRIPTION
NL6448BC33-31D 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. NL6448BC33-31D has a
built-in backlight. Backlight includes long-life-lamps and the lamps are replaceable.
The 26cm (10.4 inches) diagonal display area contain s 640 ´ 480 pixels and can display 262,144 colors
simultaneously.
NL6448BC33-31D is suitable for industrial application use, because the viewing angle is wide and the luminance
is high. The viewing direction is also selectable either upper or lower side by changing scan direction.
NL6448BC33-31D is a Anti-Glare polarizer surface version of NL6448BC33-31.
FEATURES
• Anti-Glare surface on polarizer
• Wide viewing angle (with Retardation Film)
• High luminance (350 cd/m2, TYP.)
• Low reflection
• 6-bit digital RGB interface
• Data enable (DE) function
• Incorporated edge type backlight with two long-life-time lamps (one lamp holder)
• Lamp holder replaceable (Type No.: 104LHS31)
• Reversible scan direction (with DPS terminal or SW1 switch)
• Best viewing angle select function (with MVA terminal)
APPLICATIONS
• Display terminals for control system
• Monitors for process controller
• Personal computers (PC), Word processor
The information in this document is subject to change without notice.
Document No. MA000207 (Version 1)
Date Published Feb. 2000
Printed in USA
© NEC Electrnics Inc, 2000
1 page  
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NL6448BC33-31D
ELECTRICAL CHARACTERISTICS
(1) Logic, LCD driving
Parameter
Symbol
MIN.
TYP.
MAX.
Unit
Remarks
Ta = 25°C
Supply voltage
VCC 3.0 3.3 3.6
(4.75)
(5.0)
(5.25)
V VCC = 3.3 V
(VCC = 5.0 V)
Logic input Low voltage
VIL
0
– VCC ´ 0.3 V
Logic input High voltage
VIH VCC ´ 0.7
–
VCC
V
Supply current
ICC
– 325 Note 370
mA VCC = 3.3 V
–
(250)
(300)
(VCC = 5.0 V)
Note Checkered flag pattern (in EIAJ ED-2522)
(2) Backlight
Parameter
Lamp current
Lamp voltage
Lamp turn-on voltage
Oscillation
Symbol
IL
VL
VS
Ft
MIN.
2.0
–
840
1265
50
TYP.
5.0
510
–
–
54
MAX.
5.5
–
–
–
58
Unit
mArms
Remarks
Per lamp (x2)
Vrms
Vrms
kHz
Ta = 25°C
Ta = 0°C
Note
Ta = 25°C
Note Recommended value of "Ft"
If Ft is our of the specification above, interfacrence between Ft frequency and Hsync may cause beat noise on the display.
The following formula should be considered.
Ft=1/4th x (2n-1) th: Hsync period, n: a natural number (1, 2, 3, ....)
(3) Backlight (with the recommended inverter 104PWBR1)
Parameter
Supply voltage
Supply current
Symbol
VDDB
IDDB
MIN.
11.4
–
TYP.
12.0
480
MAX.
12.6
550
Ta = 25°C
Unit Remarks
V
mA 350 cd/m2
SUPPLY VOLTAGE SEQUENCE
3.0 V (4.75 V)
VCC
Signals Notes 1, 2, 3
Backlight Note 4
0 < t < 35 ms 0 < t < 35 ms
VALID
ON 2tV < t 0 < t OFF
3.0 V (4.75 V)
Time
Notes 1. Signals: CLK, Hsync, Vsync, DE,
DATA (R0-R5, G0-G5, B0-B5)
2. The supply voltage for input signals
should be the same as VCC.
3. Apply VDDB within the LCD operation
period. When the backlight turns on
before LCD operation or the LCD
operation turns off before the backlight
turns off, the display may momentarily
become white.
4. When the power is off, please keep
whole signals low level or high
impedance.
5
5 Page 
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(2) Definition of input signal timing
<Vertical>
tvp
tv
NL6448BC33-31D
Vsync
tvb
tvf
Display period Note
DE (DE mode)
<Horizontal>
thp
tvd
th
Hsync
thb
thf
Display period Note
DE (DE mode)
thd
Note These do not exist as signals.
Remark Set the total of thp + thb and tvp + tvb as the table of input signal timing, otherwise display position is
shifted to right or left side, or to up or down side.
11
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| PDF Descargar | [ Datasheet NL6448BC33-31D.PDF ] | |
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