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14 Reference Infomation
14-1 Technical Terms
- LED BackLight Unit
- It is caused by with growth of technical power,
the Needs against the color where the entering
users are near recently naturally is increasing. The
specific gravity which is adopted with the luminous
element where the LED is new from like this ten-
dency inside increases and, a high color reappear-
ance and and power it will be able to be sufficient
the craving of the users who to sleep the LED in
LCD Back Light applies with to express a natural
color do more.
- The LED the BackLight which it uses at the lumi-
nous unit of the Monitor which is a Monitor to com-
pose with the LED where the fluorescent lamp of
existing is not. With existing CRT or the LCD it
uses the R, the G and the B together with Primary
and Color with the fact that it embodies the Color
which is various the LED of the R, the G and the B
and the union and the BackLight together, it uses
the White role and it is one thing.
[LED Back Light]
Like this the Color territory comes to be wider case
existing Monitor which will use LED BackLight than
and the place the Color wave length of the LED
compares in the existing fluorescent lamp and the
purity is high and territory namely color reverse of
the Color it will be able to express the color which
is wider (Color Gamut) comes to be wide. The
possibility of seeing from gram lower part there is
an expression scope of the Red and the Green
case and existing storehouse color reverse CCFL
of this LED Monitor Monitor compared to come to
be wide and the color reverse comes to be wide, it
is it will be able to express the natural color which
is more. Also it has the strong point whose with the
semiconductor element is long very above 100000
hours in life.
- TFT LCD(Thin film Transistor Liquid Crystal
Display)
: ADC(Analog to Digital Converter)
This is a circuit that converts from analog signal
to digital signals.
- PLL(Phase Locked Loop)
During progressing ADC, Device makes clock
synchronizing HSYNC with Video clock
- Inverter
Device that supply Power to LCD panel lamp. this
device gernerate about 1,500~2,000V.
- SMPS(Switching Mode Power Supply) :
Switching Mode Power supply. This design tech-
nology is used to step up/down the input power by
switching on/off
- FRC(Frame Rate Controller)
Technology that change image frame quantity
displayed on screen for one second. Actually TFT-
LCD panel require 60 pcs of frame for one second.
so,this technology is needed to convert input
image to 60 pcs regardless input frame quantity.
- Image Scaler
Technology that convert various input resolution to
other resolution.(ex. 640* 480 to 1024*768)
14 Reference Infomation
14-1
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