Those who are the proud owners of antique TVs should consider themselves a lucky lot. Only if their TV could talk, it could tell them more about those golden days when black & white TVs were the norm, and purchasers had no problems in selecting one for their home, because just 2 or 3 models were available. The author of this article in not sure, but Radio Shack was the king those days. People simply used to walk up to the departmental stores and ask for a TV. The display area of the CRT TV screen during those days was 14” (measured diagonally).
A lot of water has flown under the bridge since then. Science and technology has forged ahead by leaps & bounds. First the black & white TV was replaced by the color ones which were also available in CRT (cathode ray tube) versions only. Slowly the large glass valves in the TV got replaced by transistors permitting the manufacturers to add more power per square unit. As sales increased, the prices of the TV started going down. Cut down to the present time and you have wide range of big screen TVs. If you hunt around, you might still be able to locate the CRT big screen TVs.
However, there was a limit to their size because of the huge electronic guns that are required to shoot electron beams on the phosphor coating on the screen to form the image. The current ruler of the TV market is the LED big screen TVs. The LED (light emitting diode) technology permits brighter colors and contrasts compared to that by LCD (liquid crystal display) big screen TVs. It is not that LCD technology is bad. They too provide a good image quality with good saturation and hue.
Their only disadvantage is that their viewing angle is limited to 140 degrees clockwise and anticlockwise from the center of the screen. If the viewer goes out of these ranges then they shall not be able to view the picture. Keep these constraints in mind while you are out to purchase big screen TVs. Ensure that the big screen TVs that you are planning has ports that permit it to be hooked to your PC and also to your audio system. You can learn about different types of big screen TVs from online review sites.
