Wednesday, May 28, 2008

Which is better, LCD TV or Plasma?

Which is better, LCD TV or Plasma?
This is a much debated topic and a fun one. When choosing between plasma and LCD TVs, you're actually selecting between two competing technologies, both of which achieve similar features (i.e. ,bright crystal-clear images, super color-filled pictures) and come in similar packages (i.e., 3.5 inch depth flat screen casing). To complicate the decision-making process further, price and size are two previous considerations that are rapidly becoming non-issues as LCD TVs are now being made in larger sizes and at competing prices with plasma.
Despite their similarities, the two technologies are very different in the way they deliver the image to the viewer.
Plasma technology consists hundreds of thousands of individual pixel cells, which allow electric pulses (stemming from electrodes) to excite rare natural gases-usually xenon and neon-causing them to glow and produce light.
Whether spread across a flat-panel screen or placed in the heart of a projector, all LCD displays come from the same technological background. A matrix of thin-film transistors (TFTs) supplies voltage to liquid-crystal-filled cells sandwiched between two sheets of glass. When hit with an electrical charge, the crystals untwist to an exact degree to filter white light generated by a lamp behind the screen (for flat-panel TVs) or one projecting through a small LCD chip (for projection TVs). LCD TVs reproduce colors through a process of subtraction: They block out particular color wavelengths from the spectrum of white light until they're left with just the right color. And, it's the intensity of light permitted to pass through this liquid-crystal matrix that enables LCD televisions to display images chock-full of colors-or gradations of them.

PICTURE CONSIDERATIONS
Contrast / black levels : Plasma
Color accuracy : Preference to Plasma but depends upon room light, manufacturer and model
Viewing angles : Plasma

FUNCTIONAL CONSIDERATIONS
Computer use : LCD
Fast-moving video playback :Plasma
High Altitude : LCD (at 6,500 feet and higher.)
Longevity : depending upon manufacturer quality
Screen burn in : LCD

OTHER CONSIDERATIONS
Production size and cost : Plasma
Power Consumption : LCD
Price & resolution : currently a toss-up
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By the way I’ve recently bought an LCD.

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