LCD vs plasma HDTV, which is better? If YouÂ're looking for a flat, slim and sexy display, to watch HDTV, you have a choice two technologies, LCD and plasma gas.
Each has advantages and disadvantages and so each one is more appropriate in specific cases
circumstances.
Historically, the LCD vs plasma HDTV choice was simple. If you wanted
flat screen that was 40in or larger, you had to choose plasma, otherwise you
should choose LCD. However, as technology improves LCD, LCD TVs are getting
largest and most large manufacturers expect the number of LCDs they
produce a steady growth over the next few years, while the number of plasma
decrease. However, if YouÂ're for a flat screen TV today, plasma still has a lot
to offer.
To understand the issue HDTV LCD vs plasma, we need to look at how the
two technologies work.
LCD
LCD TVs work by a light behind an LCD panel made of a fixed number
pixels. Each pixel can be red, blue or green and is on or off when a
voltage is applied to it. When voltage is applied to a pixel, which is on off,
means that CanÂ't light shine through it.
The main advantage of LCD vs plasma HDTV is that LCD panels suffer from donÂ't
what is called burn-in. This is a feature of plasma TVs where they are used to assist
TV stations with logos permanently displayed on the screen or when they are used to
video games with games that have static images, such as an airplane cockpit
simulators. The image literally Â'burns-ina 'screen the meaning that even when the
image is not present, you can still see a faint trace of it on the screen. Thus, for the video
players, in particular, the LCD is a better choice than plasma.
Plasma
Plasma HDTVs have over a million chambers which house one or a combination of
gases. When a voltage is applied to one of these chambers the gas ionizes and
emits ultraviolet light. This light strikes red, green or coated on phophors plue
inside chamber and a pixel emits light of this color.
Plasma HDTVs tend to have better contrast than LCDs because, even when a pixel
in an LCD panel is turned off it does not block all the light that passes and
therefore IsnÂ't pixel completely black. Plasma TVs also tend to have greater
viewing angle than LCDs, LCD TVs like the contrast and color of the image can
change when the screen is viewed from different angles.
LCD or Plasma HDTV conclusion
Technology is changing rapidly, but for now (July 2004 ita) is still true that in
sizes of 40in and above, plasma offers a less-expensive and generally better
solution. For screen sizes below 40in LCD is better. However, as LCD technology
improves and prices fall, this will change.
Kenny Hemphill is the editor and publisher of The HDTV Tuner – a guide to the kit, the technology and the programming on HDTV.
Pong on my 50″ plasma TV
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