Philips 191el1sb User Manual

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Glossary
  
       
 
  
  
  
  
  
 
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...

Glossary
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\...

Glossary
The luminance variation between light and dark areas in an image.
 
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)
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\...

Glossary
Energy Star Computers Program
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...

Glossary
 
I
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...

Glossary
Nit
A unit of luminance equal to 1 cd/m2 or 0.292 ftL.
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...

Glossary
the monitors OSD.
To do so, open the OSD by pressing the OK button on the front of your mo\
nitor. Move the down 
button to go to Color and press OK again. Use the right button to go to \
sRGB. Then move the down 
button and press OK again to exit the OSD.
After this, please do not change the brightness or contrast setting of y\
our monitor. If you change 
either of these, the monitor will exit the sRGB mode and go to a color t\
emperature setting of 6500K.
Other: 
USB plug: An upstream and a...

Glossary
Hub 
A Universal Serial Bus device that provides additional connections to th\
e Universal Serial Bus. 
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...