Rear Projection Tv

Things You Need To Know About The Rear Projection TV

Today, the electronics market, to be more specific the television market is flooded with different models of Televisions. There are so many brands and models available that at times it is very much difficult to decide which one to choose .Some of the popular brands available in the market are Panasonic , Samsung, Toshiba , Philips and LG. The rear projection televisions are available in various price levels . The prices have been fixed depending on the technology used , type, size and the brand.

Things You Need To Know About The Rear Projection TV

An image that is projected and reflected onto the screen from behind the screen is known as the Rear-projection . The television that uses this technology is known as the Rear projection television.

Rear projection TVs also known as big screen TVs are aimed at the group of consumers who cannot still afford the plasma and the LCD flat panel televisions. Price of this TV is comparatively less than the plasma and LCD TV. The basic elements of the rear projection TV are the

1. Type of projector technology used to produce a video image

2. The lens assembly that is used to magnify the projected image.

3. The screen on which the image is reflected .

4. The outer cover of the TV which contains the basic elements.

The screen size of the television varies from 40 inches to 70 inches.

CRT Rear Projection TV

The initial rear-projection television technology has used the Cathode Ray Tube. Some of the advantages are the following

1. The CRT produced image is not limited to a fixed pixel field. Hence , this makes the CRT based rear projection TV the best option where the flexibility of displaying variable resolutions is the main consideration .

2. CRT-based rear-projection technology can produce the blackest blacks of all projection types as well as the full range of color, and brightness.

3. The CRT-based rear projection televisions are less expensive to manufacture as the technology has been around for sometime. The prices of the CRT based rear-projection televisions are always less than the DLP and LCD rear projection counterparts.

The limitations of CRT rear projection TV include the following.

1. The size of the CRT projection television is larger than the Plasma and the LCD flat panel sets. The CRT based televisions take up a lot of space in the cabinets .

2. The CRT-based rear projection television houses three projection tubes that need to be aligned so that the projected image does not exhibit color halos. However, if one projection tube fails all three have to be replaced in order to order to provide the correct color and brightness balance.

3. The CRT - based projection televisions generate heat and the three separate projection tubes must be cooled and kept at an even temperature.

However, the CRT- based rear projection TV are the ones that is affordable by most of the consumer group.