Plasma Basics
In the past decade or so, Plasma TVs have really been a revelation as well as a revolution as far as the television industry is concerned. When compared to CRT TVs, the Plasma TVs have flatter as well as wider screens and to top it all, they are also extremely thin. Basically, a plasma display illuminates fluorescently coloured tiny lights to form images. Each pixel in a plasma display comprises of three fluorescent lights � red, green and blue. The plasma display goes on to vary the intensity of different lights in order to produce a full range of colours in the entire colour spectrum.
Inside the Plasma Display
The central element of a fluorescent light is the plasma. Plasma, otherwise known as the fourth state of matter, is a gas that contains electrically charged atoms (free flowing ions) and negatively charged particles (electrons). When an electrical current runs through the plasma, negatively charged particles rush towards the positively charged particles and vice versa, thus, bumping into each other constantly. These collisions go on to excite gas atoms present in the plasma to release ultraviolet photons, which, in turn, interacts with the phosphor material coatings in the pixels to release visible light photons. The plasma phosphors, when excited, display light across the colour spectrum, producing brilliant pictures.
Plasma Technology Simplified
Simply put, chemical compounds termed as phosphors form the heart of a Plasma TV. Each pixel is made up of 3 phosphors, red, green and blue. When struck by electron beams, the phosphors emit varied amounts of light based on the intensity of the beams. The light you see on the plasma screen is created by the phosphors themselves. The main advantage of the plasma display technology is that, by using extremely thin materials, huge and wide screens can be produced. Since each pixel in the plasma is individually lit, the images are very bright and look good from almost all angles, what’s more, the image quality is also exceptionally good with great levels of clarity, contrast and colour.
Screen Size and Viewing Angles
Does size matter in a television? Of course, it does. Talking about viewing areas, Plasma TVs, traditionally, have been known for their hugeness and large screen sizes. In other words, Plasmas offer more screen value, what’s more, they have on offer more screen per screen. With the prices of Plasmas dropping by the day, you can easily buy a huge 50 incher at quite an economical price as well.
The viewing angle refers to how far off you can sit to the sides and still be able to see the on-screen pictures clearly. A 170 degree angle is considered to give optimum effects. The viewing angle is hugely important since people sit at various places all over the viewing room for watching television.
Conclusion
Over, the decade, there have been many advancements in Plasma TV technology thus resulting in larger screens and ultra slim profiles along with the spiraling down of Plasma TV prices making it more reachable to the average consumer across the world. Though the older CRT versions and the newer LCD versions pose a challenge, the Plasma is still considered the preferred choice when it comes to huge screens, better black levels, colour, contrast, clarity and overall better picture quality, as such.
