The modern market of TV-industry offers a huge selection of TVs. However, all products can be divided into two types, lowering the good old vacuum-tube CRT TVs: LCD is (LCD or LCD (English)) and Plasma TVs. LCD monitors designed in 1963 by the American scientist David Sarnoff, basing reflective liquid-crystal matrix. Today, LCD-screen is covered with two layers of polarized LCD – polymer film material. Modern LCD-TVs are different infinite possibilities in the field of digital image processing, because their development involved dozens of companies, including Hewlett-Packard, ViewSonic and LG. Great range of benefits, including durability, safety and quality, and flexible price policy allows LCD TVs to occupy a leading position in the market.
Plasma TV features a large diagonal and a small thickness. Basis for the development are special phosphors glow under ultraviolet colors, which promotes electric discharge and highly rarefied gas. The biggest plasma TV advantage – it is an absolute exclusion of negative effects on humans due to lack of electric and magnetic fields. Today's plasmas available in any standard television signal, and the majority of models suitable not only a "high tech" the source, like a computer, DVD-player, but they have built TV-tuner. In addition, the compactness of the "plasma" that allows TV stylish blend into any decor. Wide screen and high quality brightness and contrast provide a comfortable viewing films, and also create a "presence effect" in computer games. TV seems to have so many years, and while it is considered one of the most demanded developing technique.
For some 100 years of black and white, bulky boxes into a high-tech TV system, which has a small size, high quality pictures and excellent sound. Recently, the market gained immense popularity LCD (LCD) TV. What is an LCD TV? LCD – the so-called television, which consists of two panels, separated by a layer of liquid crystals, and through them, feed current, a certain strength, resulting in stress, a single pixel is beginning to show definite color: white, green, etc. If a couple of years ago, liquid crystal TVs are super-expensive technology, and it was only in the homes of wealthy citizens, it is now being rapidly changed, and it became available to everyone. The reason all of this are: manufacturers started producing televisions for improved technologies. the entry of many competitors. As a result, models of these televisions have become so popular among the ordinary inhabitants, the market Conventional CRT televisions began to decrease. What is the difference between LCD from CRT? First, LCD TVs have a very thin plate, which requires less space, and a beautiful design nicely blends in with home decor. Second, high and clear quality of the transmitted image, achieved in the model to 1980 x 1080 pixels to recreate an environment in which the viewer think that he is in a movie theater. Third, low power consumption electricity, as well as the absence of harmful radiation. However, the technology of LCD televisions have a significant disadvantage. If a man will stand sideways and look at the screen, he sees the reduction of contrast and color change, although in our time, manufacturers are trying to get rid of this drawback, since recent developments are LCD TVs with viewing angles up to 178 degrees. Despite this lack of reparable, TV a great success. So if you want to get pleasure from the images with high quality, while wanting to TV with a stylish design matched the home environment, and takes up little space, then the LCD TV is the best choice. Repair of LCD and plasma panels, LCD TVs