With the rapid development of the medical industry, the medical level is getting higher and higher. Medical LCD medical terminal’s appear strengthen hospital management efficiency, reduce medical errors, reduce the labor intensity of medical staff and improve patient satisfaction. As the core part of medical terminal, medical LCD undertakes the main functions, which directly affects its normal operation and performance. Now there are so many LCD screens in the market, how should we choose 

1. Nixie tube LED display: it can only display numbers, can’t show waveform information. With simple function and used for early single parameter monitoring instrument.            

2. CRT display: This is a very common display. The advantages are high resolution and relatively cheap price. The disadvantages are large volume, difficult miniaturization of the whole machine, high-pressure radiation and easy heating.

3. LCD: at present, the mainstream monitors at home and abroad use LCD. The utility model has the advantages of small volume, low power consumption, no radiation and no heating. The appearance of TFT-LCD screen overcomes the shortcomings of low brightness and small viewing angle of monochrome LCD. Because the color display is pleasing and intuitive, it has been widely used soon,

4. EL display screen: before the advent of TFT display, EL display screen was once used for high-end monitors. In addition to the advantages of LCD, it also has the advantages of high brightness and large viewing angle, with the disadvantage of high cost. Therefore, with the development of TFT display screen, the application of EL display screen in monitoring field is gradually replaced by TFT display screen.