Benefits of LCD technology

Benefits of LCD technology

Choosing a modern monitor, the buyers face many questions, including the most common: what is the difference between LCD and LED technology? After all, at first glance, they have no difference - they are similar in appearance and the technology utilized in them is identical - an LCD matrix consisted of two plates with liquid crystals located between them. Under the influence of an electric current, like a camera shutter, they let light in or block it. Depending on the level of the applied voltage, an image is formed on the screen. However, every sort of display has its characteristics, allowing a determination of which one is better. And now, we are trying to consider all of the differences and similarities between these two popular types of screens.

LED vs LCD technology. Straightforward and uncomplicated.

In fact, the differences between LCD and LED is slight. Both types relate to modern technologies, which utilize a liquid crystal matrix consisting of two plates. Between them are liquid crystals changing their position under the influence of an electric current. When operating special filters and backlight lamps, bright and dark areas appear on the surface of the matrix. If you use color filters behind the matrix, a color image appears on the screen. The kind of backlight is used is precisely how an LCD differs from an LED. LCD monitors use backlights of fluorescent lamps with cold cathode contained in cathode-ray tubes. In the matrix, they are placed horizontally. LED monitors are a subset of LCDs, but they use a completely different variant of backlighting. In this case, the LEDs are located on the sides or directly in large quantities.

Features of LCD screens.

As already noted, the basis of the liquid crystal screen is a multilayer structure (glass plates with polarization filters and a layer of liquid crystals). Light from sources - in this case, from thin fluorescent lamps with a cold cathode, which are located behind the matrix, passes through the LCD grid, which requires backlighting; this is the prime distinction between LCD and LED. This grid consists of a set of cells, each of which, depending on the voltage, passes a different amount of light (polarization). Thus, due to a combination of primary colors, namely green, red and blue, a picture is formed on the screen.
When LCD screens appeared on the market, they immediately gained consumers’ confidence. Their superiority is evident:
• Thin panels that can be easily mounted on a wall, ceiling or any other place using a monitor shroud or a stand; • Long service life, such screens are incredibly reliable;
• Low power consumption;
• The absence of flicker and statistical voltage of the screen;
• Correct geometry of the image;
• LCD monitors are the most cost effective screens on the market (this technology is often the top-end offer of many companies);
• A wide range of applications to use such displays;
• Support for Full HD resolution.

Aside from the space saving thinness of these screens, the clarity and richness of colors distinguish the images created on such screens. Distortion of the image on display and many other problems are a non-issue, and that makes them more preferable to buyers.

Features of LED screens.

Thanks to the excellent work of marketing specialists, LED technology is positioned to further innovate display technology. Although, in fact, it is just a kind of LCD monitor that differs only in backlighting - Direct LED and Edge LED, as sources of light, RGB LEDs are used.

 
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