Oct.2019 14
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8 Advantages of TFT LCD Screens
TFT LCD screens can be used in many devices in our lives, which is inseparable from the advantages of TFT LCD screen, so what are the advantages of TFT LCD screens?
TFT LCD screens can be used in many devices in our lives, which is inseparable from the advantages of TFT LCD screen, so what are the advantages of TFT LCD screens?

1. High quality of TFT LCD screens.

Because every point on the TFT LCD screen maintains that color and brightness after receiving the signal, it glows at a constant rate, rather than constantly refreshing the bright spots as the cathode ray tube display (CRT) does. As a result, the TFT LCD is of high quality and does not flicker, reducing eye fatigue to a very low level.

2. The visible area of TFT LCD screens is large.

For displays of the same size, the visual area of the TFT LCD screen is larger. The visible area of the TFT LCD is the same as its diagonal size. Cathode ray tube display screen picture tube front panel around an inch or so of the border can not be used for display.

3. TFT LCD screens have a wide range of applications.

The original LCD screen is usually used in electronic watches and calculators because it is unable to display delicate characters. With the continuous development and progress of liquid crystal display technology, character display begins to be exquisite, but also supports the basic color display, and gradually used in liquid crystal TV, camera liquid crystal display.

The subsequent DSTN and TFT were widely made into liquid crystal display devices in computers, and DSTN LCD screens were used in early notebooks. TFT is used not only on laptops (most laptops now use TFT displays), but also on mainstream desktop displays.


4. TFT LCD screens have no electromagnetic radiation.

The display material of the traditional display screen is phosphor, which is shown by the impact of the electron beam on the phosphor. The electron beam produces strong electromagnetic radiation in the moment it hits the phosphor. Although there are many display products in dealing with the radiation problem more effectively, as far as possible to reduce the amount of radiation to a very low, but to completely eliminate it is difficult. Relatively speaking, the TFT LCD screen has an innate advantage in preventing radiation because it does not exist at all.

In the aspect of electromagnetic wave prevention, TFT LCD screen also has its own unique advantages. It uses strict sealing technology to seal a small number of electromagnetic waves from the driving circuit in the display, while ordinary displays in order to emit heat. The internal circuit must be in contact with the air as much as possible so that the electromagnetic waves generated by the internal circuit "leak" outward in large quantities.


5. TFT LCD screens digital interface.

TFT LCD screens are digital and do not use analog interfaces like cathode ray tube color displays. In other words, with the TFT LCD, the graphics card no longer needs to convert the digital signal into an analog signal and output it as usual. In theory, this would make the color more accurate and perfect.

6. TFT LCD screens "figure" symmetrical and small.

A traditional cathode ray tube display is always dragged behind a bulky ray tube. The TFT LCD breaks through this limit and gives a whole new feel. The traditional display screen emits electron beam to the screen, so the neck of the picture tube can not be very short, when the screen increases, it is necessary to increase the size of the whole display.

On the other hand, the TFT LCD screen controls the liquid crystal molecular state through the electrode on the display screen to achieve the display purpose. Even if the screen is enlarged, its volume will not increase in direct proportion, and its weight is much lighter than the traditional display with the same display area.


7. The effect of TFT LCD screens is good.

Compared with the traditional display screen, the TFT LCD screen starts with a pure flat glass panel, and its display effect is flat at right angles, giving people a refreshing feeling. And it is easier for LCD to achieve high resolution on a small screen. For example, a 17-inch LCD can achieve a good resolution of 1280 × 1024. On the other hand, the effect of using a resolution of more than 1280 × 1024 on an 18-inch CRT color display is not entirely satisfactory.

8. Low power consumption of TFT LCD screens.

The traditional display screen is composed of many circuits. When these circuits drive the cathode ray picture tube, they need to consume a lot of power, and with the continuous increase of the volume, the power consumed by the internal circuit will certainly increase. In contrast, the power consumption of TFT LCD is mainly consumed by its internal electrode and driver IC, so the power consumption is much smaller than that of traditional display.
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