Actually Plasma Tv is the next generation television that is now becoming popular...Actually many confuse plasma Tv to Lcd Tv but plasma Tv and Lcd Tv both are completely different technologies..... plasma tv was first invented in the year 1964.
WORKING
Actually many tiny cells are located between two glass panels which hold the inert gas (neon or xenon).These gases are electrically tuned to a plasma.These then excites phosphors which in turn emit light.
CHARACTERISTICS
The general life time of a plasma tv is 60,000 hours..After this the picture qulaity degrades of half its original vlaue... The contrast ratio is around 30,000:1. Generally contrast ratio is defined as the ratio between the brightest spot to the darkest spot measured in discrete steps at any given moment.
There are many companies now manufacturing plasma tv's... Almost all tv manufacturers manufacture this type of tv also.Some top companies like Philips,Samsung,Sony have already entered in this field..The rate of the plasma Tv starts from 60,000 INR. and even goes to lakhs of INR....
The largest Plasma Tv was manufactured in consumer electronics show in las vegas, in U.S.A.,North America in the year 2008.It was manufactured by Panasonic.It stands 6 ft (180 cm) tall by 11 ft (330 cm) wide.It is expected to sell at Us $ 150,000.The first plasma Tv To public was from the year 1997. Plasma Tv's were generally kept in Stock markets adn lobbies at first but now plasma Tv are becoming very common. This shows how well electronics field is improving and how well people are willing to spend money to worthfull items...Surely,plasma Tv is one that is worth to buy.
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