Years ago the main technology was Plasma (Display Plasma Panel – PDP), that is a great type of habitually used flat screen for TV (around 37 inches or 940 m.m.). It consists of many located tiny cells between two crystal panels who contain a noble gas mixture (neon and xenon).
Recently it arose, and it has been amassed, the LCD or LCD (Liquid Crystal Display), that is a thin and flat screen formed by a number of monochrome pixels in color or placed in front of a reflecting light source or. Unlike plasmas, televisions LCD count on an ample availability of sizes, from 15” (inches) to 100”; the angle of view is equal or superior to the one of plasma and owns a greater resolution.
Another important data that it is possible to emphasize is that televisions LCD consume less energy, its time of life is greater to the plasma and are more ecological, since they do not use mercury. In addition, the technology has evolved to the point that the call `effect arrastre’ that presented/displayed some LCD was surpassed thanks to the increase of the speed in the rate of refreshment of the image.
The effect drags is that one that is observed in a TV Plasma when the image leaves a species of “echo” when moving.
The plasma refuses to leave the market
Although the LCD prevails, this does not mean that the “war” enters plasma and LCD has finalized, because the plasma continues being economic in sizes superiors 50”. If we spoke of the ecological aspect, the plasma is disadvantaged in front of the LCD, since it makes with materials that are not friendly with the environment.
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What to consider?
Before these new technologies which we recommended it is that the user considers the following aspects before acquiring his TV:
1 Decidir where it is going to locate the television, on a put table or on a wall?
2 Decidir what so large agrees more for the space where it is going to go the television. For apartments and houses of limited space sizes between 26” and 32” are recommended. For 32 great spaces” or superior, he is the best thing.
3 To go to a commercial center or it tends where they commercialize televisions of several marks and to compare the quality of image between each manufacturer and the several sizes. Some marks shine better following the size of the television.
4 Decidir what use is going to give to him the television.
a. In order to see images in high resolution (Satellite, TV digital Cable, Blu-Ray, Games HD) it is required that the television is minimum of 720p lines of resolution and that has a HDMI entrance at least. To look for a greater dynamic resistance 5.000:1, than counts on 2 or more connections HDMI as well as compound and component lateral connection of.
b. For use with TV cable (nondigital) or DVD, they require minimum two entrances of Composite video (Componente or HDMI is better).
c. For use with external antenna it is good for testing in the warehouse to see if the aerial signal shines well in the television.
5 Price, guarantee and service would have to be full stop to make their decision. Between the majority of the marks all offer equivalent prices and guarantees.
A new competitor
But as the technology does not pause, he finishes being announced technology LED. This technology just is in some marks and replaces lamps LCD. At the moment only it has them to Samsung in the Colombian market.
The technology divides the screen in 128 segments that can be ignited or extinguished of independent form, which improves the black, the resistance and allows that more brightness in the image exists, besides having a low power consumption. Its high cost limits that year is amassed the east technology, but hopes that it lowers the cost in next the 2 to 3 years.
The LED is even too expensive in great sizes, but it is a television that can reach a resistance from 1 million to one, and consumes less energy than a LCD. The certain thing is that he is the best thing for the users than they wish to have televisions of high quality.
Full HD and HDTV
A television Full HD 1080p is for which they look for the best performance and an optimal quality, a screen that is ideal to take advantage of in high resolution their digital games, BlueRay films, films HD of Internet and photos. A HD can reproduce image until 720p lines of resolution, the difference between 720 and 1080p is more remarkable in the sizes majors of 42”.
A television HDTV has benefits as it contrasts and resolution. First, that dynamic, is known as DCR allows that the black see more black and the whitest targets. As minimum the TV must count on a resistance of 6.000:1. The second plays a role fundamental to enjoy games of High resolution, Xbox, films Blue Ray, satelite slopes of Internet or, and for this it is required of a resolution of 1080p, Full HD.
What we cannot not know is that the price is the factor that influences more in the users at the time of buying a TV. Followed this, it is possible to mention that the TV of 32” is the size that adjusts more to the usuary average that In Colombia oscillates between the 550 and 650 dollars.
Source: vanguardia.com
Robert Vélez, Manager of Latin America Trade of AOC
Image from wikipedia
Another note
At the beginning of this year the presentation of the new technology for televisions occurred, a technology thought about the low power consumption and the environment, besides owning a ultrathin design.
At the beginning of this year a technology thought about the low power consumption and the environment occurred to the presentation of the new technology for televisions since it saves 40% more of energy than televisions LCD.
Image via Wikipedia
Televisions LED are technically a member of family LCD. The screen of a LED is a liquid crystal screen of which in any other televising LCD. One of the main differences between these two technologies is the different techniques that they can change the quality of image. The televisions of tegnologia LED use LED to illuminate the screen. Like there are different styles from fluorecentes lamps in the LCD traditional also there are different styles from illumination LED. There are televisions LED as Sony KDL-55XBR8 (the examination is seen) that they have a panel of lights LED behind LCD panel. In Sony they are the LED tricolor and can be controlled in the banks, in a called effect “local darkening”. the line of televisions of Samsung LED, light LED that surround the edge by the panel and this agreement allow the little depth of the models. Without the possibility of making traditional a local regulation of these they are functionally similar to the LCD.
traditional televisions LCD always have their retroiluminación when the television is ignited. Or black to create dark zones of the screen must block the light by the crystals of torsion to a closed position, that often are in a smaller relation from resistance and less detail in the dark areas from the image. This is a deficiency in the technology LCD, that in the televisions LED that with darkening are trying to correct. With the control of retroiluminación LED they can be attenuated in the dark zones of the image to create the darkest black and better details in dark scenes. With the precision of white color LED the difference between the two technologies is not very significant, but with lights of colors or RGB a wheel of color to affect the color of retroiluminación LED televisions has an advantage in color that shows realist.
Televisions LED with retroiluminación are available in sizes that go from 46 inches to 70 inches.
Without a doubt there is a much greater number of televisions LCD than take place nowadays, with demanding televisions LED a premium by the quality of image usually it is better. In the televisions LED that we have found they have used enough more power than a LCD traditional TV in the same size of the screen. Approach LED televisions plasma screens in the energy use.