1300101793

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1300101793, also known as liquid crystal display(LCD), is an emerging technological development that is used in most devices these days. It is a type of flat and thin display screen that makes use of liquid crystals that are chemically treated in order to produce light. Its application fields range from televisions, computer monitors, handheld devices, and a few others. Nowadays, most people are making use of LCDs in their daily lives, as they provide a better visual experience and have longer lifespan compared to other displays.

The main working principle of LCDs relies on the manipulation of liquid crystals. Basically, liquid crystals are molecules that are suspended in a liquid suspension and have properties similar to both liquids and solids. When exposed to an electrical field, these molecules tend to react by aligning themselves. This reaction allows them to reflect light and produce the image that you see on the LCD screen. Basically, when the electrical field is placed around the liquid crystals, they will conduct electricity and induce a charge in the neighboring molecules and adjust their alignment. This process is called electro-optical rotation and it is the foundation of LCD technology.

LCDs can be divided into two main categories: active matrix and passive matrix. Active matrix LCDs make use of a thin-film transistor embedded in the liquid crystal layer. This type of transistor enables faster response times and generally provides better image quality. On the other hand, passive matrix LCDs utilize a more basic principle to generate images, where each row and column of pixels are controlled independently. In contrast to the active matrix LCDs, passive matrix LCDs tend to produce slower response times and poorer quality images.

In conclusion, the working principle of LCDs relies fundamentally on the electro-optical rotation of liquid crystals. This technology is used in a range of devices, such as televisions, computer monitors, and handheld devices. There are two main categories of LCDs, active matrix and passive matrix, with each exhibiting different characteristics. With the continuous technological advancements of LCDs, one can expect better and more efficient displays in the near future.

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