TFT screen - advantages and disadvantages

Liquid crystal displays are almost pushed out of the market earlier CRT monitors. It is associated with significant benefits of the new TFT screen.

The Advantages of TFT technology

One of the main advantages-the lack of geometric distortion, which for a long time, but almost unsuccessfully fought the developers of CRT screens. Any TFT screen or monitor has a flat rectangular shape, which eliminates the presence of distortions as in the corners and in the center.

No less significant is the absence of flicker, which is at a frequency above 85 Hz, the human eye discerns, but it is present, creating a substantial strain on the eyes. TFT screen does not flicker. When changing the image changes the light (by changing the direction of light refraction).

Technology TFT screen enabled largely to reduce the level of electromagnetic radiation. The impact of this type of radiation on the human body is still not fully understood, but scientists agree that it is clearly not so useful.Therefore, the lower the electromagnetic radiation, the better. And TFT screen has a significantly smaller design than previously used technology. This feature allows the use of monitors and screens, TFT in hospitals, in industries where direct interference can adversely affect various processes on the job other equipment.

Another advantage-small size and light weight, which differs TFT screen. This monitor can be hung on the wall, then he isn't going to take place. This is especially true in confined spaces or where such devices accumulates more than a dozen. In the Treasury of positive properties can be attributed to low power consumption, and low heat at work.This is again important for large clusters of monitors in the same room. A little heat allows you to save on organization of ventilation and energy consumption, low electricity consumption saves on electricity bills (TFT screen consumes 3-4 times less energy than its predecessor CRT).

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Screens using TFT technology, more reliable than their CRT counterparts, which use high voltage, often leading to breakdowns. LCD technology uses currents of small magnitudes, which increases their reliability.

Disadvantages of TFT technology

TFT transistors have some disadvantages, and chief among them – the high price. But the savings on electricity, low heat radiation and high reliability (as a result – the lack of repair costs) quickly pays for the additional amount you have to pay for the purchase.

The Following minus – restrictions on ambient temperature. But it is more likely for industrial use screens TFT: cannot be used in hot shops at low temperatures, which is irrelevant for home use.

The disadvantages include the presence of «dead" pixels, which appear sooner or later. This, of course, unpleasant, but not fatal. If several thousand of points of order will come a few pieces (such amounts and all amounts to), then they interfere with you or not at all, or will be very small.