Plasma Displays Up until the past couple of years, most televisions have been built around the same technology. This technology is the cathode ray tube. In CRT televisions, a gun fires a beam of electrons into a large glass tube. The electrons send phosphor atoms to an excited state that causes them to light up. They have good images, but they also have one big problem. They take up a lot of space and are …showed first 75 words of 630 total…

…showed last 75 words of 630 total…The image can be very bright and look good from any angle because each pixel is lit individually. You can also hang them like a picture. The main drawback to the plasma displays is the price. They start at $4,000 and go above $20,000 so there are not a ton of them being sold yet. Eventually the prices will fall and the plasma televisions will replace the CRT televisions. Plasma televisions are the future home entertainment needs.