Sonytek Display Co., Limited

The Evolution and 3 Advantages of LCD Screens

Time：2024-04-11

The old version of LCD screens was CRT monitors. First, let me introduce CRT to everyone. It is a type of display that uses a cathode ray tube. The key components are the cathode ray tube, deflection coils, shadow mask, phosphor layer, and laminated glass casing. It is currently one of the commonly used monitors. CRT monitors have advantages such as wide viewing angles, no bright spots, improved color reproduction, symmetrical saturation, adjustable multi-screen resolution modes, and short response times. Currently, CRT monitors are much more cost-effective. So why do we need to upgrade to LCD screens?
Today, let's talk about the 3 major advantages of LCD screens:

High Display Quality of LCD Screens
Each pixel of the LCD screen maintains its color and hue after receiving the data signal, resulting in stable and bright visuals, unlike cathode ray tube (CRT) monitors that constantly refresh the bright spots. Therefore, LCD screens have high display quality, significantly reducing flickering and eye fatigue.

No Electromagnetic Radiation from LCD Screens
Traditional display materials use phosphors, and when ion beams collide with phosphors, intense electromagnetic radiation is produced. Although many display products have reasonably addressed the radiation source issue and minimized radiation intensity, it is challenging to completely solve it. In comparison, LCD screens have inherent advantages in avoiding radiation sources because they simply do not have radiation sources. On the aspect of radio wave prevention, LCD screens also have their unique advantages. By using strict sealing techniques, LCD screens can shut down a small amount of radio waves in the optocoupling circuit. It is generally understood that to better dissipate heat, the internal power circuit must come into contact with gas, causing a significant amount of radio waves to leak.

High Visibility of LCD Screens
For displays with the same specifications, LCD screens have a higher total visible area. The total visible area is the same as its relative angle specifications. CRT monitors have about an inch of border around the front panel of the display tube, which cannot be used for display.

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