Compare Plasma and LCD HDTV Rear Projection – A Guide
The following article provides instructions on how to compare plasma and LCD rear projection HDTV, including the difference between the technologies used in each of them.
Many people are confused by what the electronics industry today, as the TV "rear projection," "plasma" and "LCD flat-panel. To understand exactly what you want to buy, if you purchase one of these points, you need the technology behind all understand.
Mustwhether the big screen TV is better than ordinary flat panel televisions or plasma screens are better for LCD. The difference between LCD and rear projection sets of dishes are equally important.
Before buying one of these electronic items, you must first understand what their name means that they are not confused by the seller at your local electronics store. There will then be able to decide what is worth spendingmoney and what not.
What follows is a series of brief introductions to each of these technologies used in modern television.
Rear projection TV: This television includes a lamp from behind a screen projecting the image on the screen. This technique is also known as micro-display, and is different from the traditional CRT, or cathode ray tube technology used previously on television.
There are three different types of micro-display – ie LCDDisplay (LCD), Digital Light Processing (DLP) and Liquid Crystal on Silicon (LCOS). While the TV using the micro-display technology is flatter and lighter than CRT TVs that use the technology, the lamps in micro-display is not changed once every two or three years.
Plasma TVs: This TV is almost always in the form of a flat panel monitor, because it uses technology that allows manufacturers the necessary electronics in a home flat panel.
Plasma –TV screen works the same way as a fluorescent lamp, which consists of two glass panels with xenon gas between them. The gas in the form of plasma, injected and then an electrical charge is run, causing the light in the colors red, blue and green, and thus creating a statue. Each pixel is composed of red, blue and green phosphors.
Traditional CRT TVs, but contains a vacuum tube, an electric range, on the surface of shock tube, lightsphosphorus. So this screen is larger than the modern.
Liquid Crystal Display Televisions
LCD rear projection systems are not the same LCD TVs, LCD rear-projection TV to create an image by projecting light through a transparent LCD chip made up of individual pixels to display images in motion video so that protrudes in front of the photos through a magnifying glass to enlarge the image, a mirror, reflecting in the final imagescreen.
The chip used in a rear projection television is a very small, so it is very light, access to a space much smaller than the cathode in the sets more than the traditional television.
Although LCD rear projection TV is not as compact as a plasma or LCD flat screen TV, they are still much less than traditional television. These televisions are also cheaper than plasma and LCD flat screen TV, and alsolarger screens. LCD rear projection systems also provide brighter images and greater contrast.
This brief introduction to HDTV technology will be of some use to you if you want to compare plasma and LCD rear projection HDTV. It is necessary to compare the ratio, screen size, resolution, HDMI interface, and the price at the time of selection of television. You also need to compare models from different brands of TV, because it might be different.
LouisZhang, flatscreenhdtvguide dot com
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