The first is the type used back in the 50's. They would sit on top of televisions inside of people's homes to help provide ambient line. The purpose of the ambient light was to help protect the viewers eyes. Typically they'd be created in the shape of wild animals like cougars or panthers.

The second type of TV lamp are used in rear projection or DLP high definition televisions. It was created as an innovation by Texas Instruments to provide a way of creating big screen televisions with clear pictures and lower prices. Instead of using an expensive cathode ray tube (CRT), DLP televisions use a tv lamps and a series of screens to project the image. This paved the way for 60 inch HDTVs hitting retail stores for less than $2,000.

In 2009, only Mitsubishi continues to make televisions which use TV lamps. Previously companies such as Samsung, RCA, Sony, Panasonic, Hitachi, JVC, and Akai made DLP television. These TVs take up less space and they can even be hung.

LED TV's also have a flat-screen and use Liquid Crystal Display technology. However their source of light is different. LED TV uses Light Emitting Diodes LED. There are two types of LED back-lighting - Edge lighting and Full-Array lighting. The Edge lighting utilizes a series of diodes are that are arranged along the exterior edges of the screen. The light is dispersed across the screen. Full-Array lighting involves a number of rows of diodes behind the entire surface of the screen allowing for more control over dimming and brightness as the diodes can be switched on and off.

If you are not familiar with the current TV technologies, it can be difficult understanding the choice between LCD and LED televisions. Although LED TV's and LCD TV's both use Liquid Crystal Display technology, the key difference is that the LED TV uses Light Emitting Diodes while the standard LCD TV uses fluorescent lamps. When it comes to LCD TVs, Edge-lit television sets are normally lighter and thinner than a Full Array because the lighting source takes up less space. Full-array television sets are thicker and heavier, but one section of the LED panel can be dimmed while other sections stay bright which improves blacks and contrast in the television image. Edge lighting television sets are the lightest and thinnest TVs on the market.

LED TVs are more expensive than LCD televisions. Each type of television has its own advantages and disadvantages. The choice will depend on your needs and television preference.

A NATION OF CONVERTS?

Millions of us have switched over to using CFL's (compact fluorescent bulbs) in our lamps, overhead fixtures, sconces and exterior lights. And, for the most part, we have noticed a slight lower rate in our electric bills because the CFL 60 watt bulb we put in our desk lamp only draws 14 watts of electricity. The reduction in electrical power usage is not dramatic for the typical American household because the real culprits which demand much more electrical power are our old and outdated refrigerator, water heater and dryer. These appliances, as well as well as heat pumps and air conditioners, are responsible for our very high utility bills.

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