Philips 220bw9cs User Manual

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Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A
Active matrix 
 
This is a kind of liquid crystal display structure in which switching tr\
ansistors are attached to each 
pixel to control the on/off voltage. It produces a brighter and sharper \
display with a broader viewing 
angle than a passive matrix display. Also refer to TFT (thin film trans\
istor).
 
Amorphous silicon (a-Si)
A semiconductor material that is used to make the thin film...

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The light source for a transmissive LCD. There are two techniques used i\
n nowaday LCD designs. 
Most TFT LCD panels use CCFLs (cold cathode fluorescent light) and a d\
iffuser panel directly 
behind the liquid crystal layer. New technology using Light Emitting Dio\
des (LED) are still under 
development.
 
Brightness
The dimension of color that is referred to an achromatic scale, ranging \
from black to white, also 
called lightness or luminous reflectance. Because of confusion with satu\...

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Contrast ratio
The ratio of luminance between the brightest white pattern and the darke\
st black pattern.





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D

D-SUB 
A VGA Analog input connector. Your monitor comes with a D-Sub cable.
 
Digital Visual Interface (DVI) (available for selective models)
The Digital Visual Interface (DVI) specification provides a high-speed\
 digital connection for visual 
data types that is display technology independent. The interface is prim\
arily focused at providing a...

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An energy conservation program launched by the US Environmental Protecti\
on Agency (EPA), 
promotes the manufacture and marketing of energy-efficient office automa\
tion equipment. 
Companies joining this program, must be willing to commit themselves to \
manufacture one or more 
products capable of going into a low -power state (< 30 W) either afte\
r a period of inactivity, or after 
a predetermined time selected by the user.



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G
Gamma
Screen luminance as a...

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IPS (In Plane Switching)
A technique of improving the viewing angle of an LCD where the liquid cr\
ystal molecules are 
switched in the plane of the LCD layer rather than vertical to it.
 
L
LCD (liquid crystal display)
A display composed of liquid crystal suspended between two transparent s\
heets. The display is 
composed thousands of pixels which can be turned on or off with electric\
al stimulation. Thus, 
colorful images/texts can be generated.


 
Liquid crystal
The compound found in...

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P
Pixel
PICture Element; the smallest element on a computerized CRT or LCD image\
, and hence a display.


Polarizer
A light filter which only allows light waves of a certain rotation throu\
gh. Polarized material with 
perpendicular filtering is used in LCDs to enclose the liquid crystal. T\
he liquid crystal is then used 
as the medium which twists the light waves 90° in order to allow the \
light to pass through or not.
R
Refresh rate
The number of times per second the screen is refreshed or...

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SmartImage provides presets that optimize display for different types of\
 content, dynamically 
adjusting brightness, contrast, color and sharpness in real time. Whethe\
r youre working with text 
applications, displaying images or watching a video, Philips SmartImage \
delivers great optimized 
LCD display performance
. 
 
SmartResponse 
SmartResponse is exclusive Philips technology that adjusts response time\
 to application 
requirements, delivering faster response times for gaming and...

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TFT(thin film transistor)
Usually made from amorphous silicon (a-Si) and used as a switch to a c\
harge storage device 
located below each sub-pixel on an active matrix LCD.
 
TrueVision 
TrueVision is industry-leading, proprietary Philips testing and algorith\
m technology for monitor 
adjustment and fine tuning, an extensive process that ensures ultimate d\
isplay performance in 
compliance with a standard four-times more stringent than Microsofts Vi\
sta requirements from each 
and every...

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Hubs are a key element in the plug-and-play architecture of USB. The Fig\
ure shows a typical hub. 
Hubs serve to simplify USB connectivity from the users perspective prov\
iding low cost and 
complexity.
Hubs are wiring concentrators and enable the multiple attachment charact\
eristics of USB. 
Attachment points are referred to as ports. Each hub converts a single a\
ttachment point into 
multiple attachment points. The architecture supports concatenation of m\
ultiple hubs. 
The upstream port...

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Downstream 
The direction of data flow from the host or away from the host. A downst\
ream port is the port on a 
hub electrically farthest from the host that generates downstream data t\
raffic from the hub. 
Downstream ports receive upstream data traffic. 
Upstream 
The direction of data flow towards the host. An upstream port is the por\
t on a device electrically 
closest to the host that generates upstream data traffic from the hub. U\
pstream ports receive 
downstream data traffic....