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Types of TV
 
Plasma Display Panels (PDP)
Plasma is the type of television most associated with high end home electronics.
This is mainly because they get a lot of marketing that tells us plasma has the best picture money can buy.
All plasma televisions come in a flat panel variety. Most are sized in the 40-49" range.
They are competitively priced against LCD flat panel televisions, and feature a stunning picture that puts you in the middle of the action.
Plasmas weigh more than LCD’s, but nothing additional supports couldn’t handle.
They are susceptible to burn-in, but despite rumors to the contrary, the gases that power the picture can not be refilled. While they are too young to accurately meaasure, plasma televisions should last anywhere from 10-20 years.


Digital Light Processing (DLP)
Digital Light Processing was invented in 1987 by Texas Instruments.
It is named for its ability to process light digitally with the aid of an optical semiconductor called a Digital Micromirror Device or DMD chip.
The DMD chip is comprised of over one million mirrors.
The size of each mirror is less than 1/5” the width of a human hair. Currently, over fifty manufacturers produce at least one model of a DLP television. DLP's come in rear and front projection.
They are not susceptible to burn-in, but some people do notice a glitch called Rainbow Effect.


Plasma HDTV

A plasma TV is one of the multiple types of flat-panel, high-definition television sets.
It is among the top three types of HD TVs in the market, along with liquid crystal display (LCD) and digital light processing (DLP).
Plasma TVs are among the largest of these TV sets.


Direct-View TV

Analog version TV
In its earlier days, it came with bulky cathode ray tubes at the back.
They now come with less bulky backs and flatter screens when compared to the earlier bubble screens.
This has allowed a much clearer relay of transmission.
This form of TV is still quite popular thanks to its cheaper price tag when compared to digital TVs.
In terms of advantages, the direct-view TV gives excellent display at prices significantly lower than its digital counterparts.
Its biggest plus point is that a viewer can see the screen clearly from any angle.
They are also available in sizes ranging from 9 to 40 inches.
 
 
 



















Rear Projection TV

The one main aspect of rear projection TVs (RPTVs) is that they are big.
Ranging in sizes from 42 to 82 inches, these are big display TVs. RPTVs are available in cathode ray tube (CRT), liquid crystal display (LCD), digital light processing (DLP) and liquid crystal on silicon (LCoS).
These are just some of the variations. RPTVs are often preferred because even with bigger screen sizes the cost does not change much.
This is not the same if one were to invest in digital LCDs or plasmas.
CRT-display RPTVs range in sizes from 42 to 82 inches.
They are unbeatable when it comes to projection quality. However, they need spacious rooms for installation, as they tend to be bulky.
They also require periodic adjustments as the tubes need to stay aligned to get the best out of them.
The other form of RPTVs is the microdisplay TV, this works on fixed-pixel-based technology.
The colors are brighter and remain constant. Every point of display on the screen is equally bright and clean.
The advantage with these screens is they do not require any periodic tinkering. The only time this TV requires significant service is when the bulb used on the inside dies.


High-Definition TV

These can be tabletop or wall-mounted units and are available as plasma or LCD screens. LCDs are relatively slimmer and much lighter in weight.
They range from about 23 to 60 inches with a breadth of no more than 5 inches in any size.
They come with a resolution of 1,080 pixels and have images that are cleaner than plasmas.
This type of screen best suits bright rooms for the brightness the picture exudes.
The only disadvantage is that you cannot view the screen from all angles. Plasma TVs suit those who love big TVs. The smallest is 42 inches.
They consume less energy than LCDs. However, in terms of image, clarity is never an issue except for the rare occasions when the corners have a tendency to burn a bit.


Plasma

Plasma televisions are one of the two types of flat-panel televisions.
Ranging from 42 to 56 inches on average, plasma televisions are generally only available in larger sizes.
Plasma televisions are able to be mounted on a wall since they are only a few inches thick.
Plasma televisions offer excellent color and black level performance like the CRT; however, plasma TVs tend to be much hotter, heavier and consume more power than LCD televisions of the same size.
More manufacturers are moving away from plasma screens and replacing them with LCD televisions.


Liquid Crystal Display (LCD)
LCD televisions are by far the most common type of television sold in 2009.
LCD televisions have a wide range of sizes from 15 to 55 inches. With lower costs and a wide array of sizes, LCDs have replaced CRT televisions as the standard home television.
LCD televisions do not have the same color and black level performance of plasma and CRT sets; however, their low power consumption, cost and glare-free visibility have given them an edge over the other sets.
Like plasma televisions, LCD televisions are generally only 4 to 5 inches thick.
 
 
 

 

 
 
 
 

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