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PDF NL6448BC26-22F Data sheet ( Hoja de datos )
| Número de pieza | NL6448BC26-22F | |
| Descripción | LCD Module | |
| Fabricantes | NEC | |
| Logotipo |  |
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TFT COLOR LCD MODULE
NL6448BC26-22F
21cm (8.4 Type)
VGA
DATA SHEET
DOD-PP-0860 (1st edition)
This DATA SHEET is updated document from
PRELIMINARY DATA SHEET DOD-PP-0694(2)
All information is subject to change without notice.
Please confirm the sales representative before
starting to design your system.
Document Number: DOD-PP-0860 (1st edition)
Published date: September 2009 CP(N)
1 © NEC LCD Technologies, Ltd.
2009 All rights reserved.
1 page  
NL6448BC26-22F
2. GENERAL SPECIFICATIONS
Display area
170.88 (H) × 128.16 (V) mm
Diagonal size of display 21cm (8.4inches)
Drive system
a-Si TFT active matrix
Display color
262,144 colors
Pixel
640 (H) × 480 (V) pixels
Pixel arrangement
RGB (Red dot, Green dot, Blue dot) vertical stripe
Dot pitch
0.089 (H) × 0.267 (V) mm
Pixel pitch
0.267 (H) × 0.267 (V) mm
Module size
200.0 (W) × 152.0 (H) × 10.5 (D) mm (typ.)
Weight
330g (typ.)
Contrast ratio
1,000:1 (typ.)
Viewing angle
At the contrast ratio ≥10:1
• Horizontal: Right side 80° (typ.), Left side 80° (typ.)
• Vertical: Up side 80° (typ.), Down side 80° (typ.)
Designed viewing direction
At DPS= Low or open: Normal scan
• Viewing direction without image reversal: Up side (12 o'clock)
• Viewing direction with contrast peak: Down side (6 o'clock)
• Viewing angle with optimum grayscale (γ≒2.2): Normal axis
(perpendicular)
Polarizer surface
Clear
Polarizer pencil-hardness 3H (min.) [by JIS K5400]
Color gamut
Response time
Luminance
Signal system
Power supply voltage
At LCD panel center
40% (typ.) [against NTSC color space]
Ton+Toff (10% ←→ 90%)
18ms (typ.)
At IL= 25mA/One circuit
800cd/m2 (typ.)
6-bit digital signals for data of RGB colors,
Dot clock (CLK), Data enable (DE),
Horizontal synchronous signal (Hsync),
Vertical synchronous signal (Vsync)
LCD panel signal processing board: 3.3V or 5.0V
LED backlight type:
Backlight
Power consumption
Replaceable part
• Lamp holder set: Type No. 84LHS12
At IL= 25mA /One circuit, Checkered flag pattern
3.9 W (typ.)
DATA SHEET DOD-PP-0860 (1st edition)
5
5 Page 
4.4 POWER SUPPLY VOLTAGE SEQUENCE
4.4.1 LCD panel signal processing board
VCC
Note1
ON
3.0Vor4.75V
0V
10μs≤ Tr < 30ms
Display and*
function signals
Note2
0V
0ms < t < 35ms
VALID period
NL6448BC26-22F
OFF
ON
0.3V
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 4.75V in "VCC = 5.0V", a protection circuit may work, and then this product may
not work.
Note2: Display signals (CLK, Hsync, Vsync, DE, DATA (R0 to R5, G0 to G5, B0 to B5)) and
function signal (DPS) 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. VCC should be cut when
the display and function signals are stopped.
4.4.2 Backlight lighting circuit
Display and
function signals
Note1
Note2
VALID period
LED backlight: ON
Note1: These are the display and function signals for LCD panel signal processing board.
Note2: The backlight should be turned on within the valid period of display and function signals, in
order to avoid unstable data display.
DATA SHEET DOD-PP-0860 (1st edition)
11
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet NL6448BC26-22F.PDF ] | |
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