NL6448BC33-63D NEC, NL6448BC33-63D Datasheet - Page 9
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NL6448BC33-63D
Manufacturer Part Number
NL6448BC33-63D
Description
TFT DISPLAY, 10.4"
Manufacturer
NEC
Datasheet
1.NL6448BC33-63D.pdf
(31 pages)
Specifications of NL6448BC33-63D
Lcd Display Type
VGA
Interface Type
LVDS
Viewing Area (h X W)
158.4mm X 211.2mm
Supply Voltage
3.3V
Operating Temperature Range
-20°C To +70°C
Pixel Size (h X W)
0.33mm X 0.33mm
Display Mode
Active
Backlight Type
CCFL
Display Technology
LCD
Luminance
450cd/m2
Rohs Compliant
Yes
Pixel Pitch (h X W)
0.33mm X 0.33mm
Svhc
No SVHC (20-Jun-2011)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NL6448BC33-63D
Manufacturer:
NEC
Quantity:
1 000
4.3.2 Backlight lamp
Note1: This product consists of 2 backlight lamps, and these specifications are for each lamp.
Note2: The lamp voltage cycle between lamps should be kept on a same phase. "VS" and "VBLH"
Note3: The asymmetric ratio of working waveform for lamps (Power supply voltage peak ratio,
Note4: This product consists of 2 lamps. 2 lamps are contained in the 1 lamp holder, and both lamps
Note5: The inverter should be designed so that the lamp starting voltage can be maintained for more
Note6: In case "FO" is not the recommended value, beat noise may display on the screen, because of
Note7: Method of lamp cable installation may invite fluctuation of lamp current and voltage or
Lamp current
Lamp voltage
Lamp starting voltage
Lamp oscillation frequency
are the voltage value between low voltage side (Cold) and high voltage side (Hot).
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.
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.
than 1 second. Otherwise the lamp may not be turned on.
interference between "FO" and "1/th". Recommended value of "FO" is as following
asymmetric of lamp working waveform. When designing method of lamp cable installation,
evaluate the fluctuation of lamp current, voltage and working waveform sufficiently.
Parameter
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.
Pb
Pa
FO =
0
th: Horizontal cycle (See "4.9.2 Timing characteristics".)
n:
1
4
Natural number (1, 2, 3 ⋅⋅⋅⋅⋅⋅⋅⋅)
Sa
×
DATA SHEET DOD-PP-0134 (2nd edition)
1
th
Symbol
VBLH
IBL
VS
FO
× (2n-1)
Sb
1,150
min.
850
2.0
50
-
typ.
520
5.0
-
-
-
max.
5.5
72
-
-
-
|Pa - Pb|
|Sa - Sb|
Pb
Sb
mArms
Vrms
Vrms
Vrms
Unit
kHz
× 100 ≤ 5 %
× 100 ≤ 5 %
NL6448BC33-63D
(Ta=25°C, Note1)
at IBL= 5.0mArms:
Note2, Note3,
Note2, Note3,
Note3, Note4
Note2, Note3
Note5, Note8
Note5, Note8
L= 450cd/m
Ta= -20°C
Ta= 25°C
Remarks
Note6
2
9