screens are made of two sheets of glass, between which Plasma
(xenon and neon gas) fills thousands of tiny chambers. Behind
each chamber are a series of red, blue and green phosphors. When
electricity hits the Plasma chambers, they emit invisible UV
light, which then hits one of the coloured phosphors. This
creates a visible image on the screen.
How does an LCD TV
stands for Liquid Crystal Display. A network of hundreds of
thousands of tiny LCD pixels sits behind the TV screen. Behind
these pixels is a fluorescent white backlight. When the light
hits the pixels, an electric current determines what colour
appears on the screen, and the millions of tiny light variations
make up the image that you see on your TV.
What is the main
advantages of Plasma over LCD?
Larger screen size
availability – Plasma screens range from 32" up to 65" (Manufacture
ratio and ability to render deeper blacks.
accuracy and saturation.
tracking (little or no motion lag in fast moving images).
What is the main disadvantages of Plasma over LCD?
Plasma TVs are more susceptible
to burn-in of static images.
Plasma TVs generate more heat
than LCD, due to the need to light of phosphors to create images.
Does not perform as well at
What is the main
LCD television advantages over plasma?
No burn-in of static images.
Cooler running temperature.
No high altitude use issues.
Increased image brightness over
What is the
main disadvantages of LCD over Plasma?
Lower contrast ratio, not as
good rendering deep blacks.
Not as good at tracking
Not commonly available in
large screen sizes above 40" – LCD screens are generally 40" or less in
size (Manufacture dependant).