Liquid Crystal Display Flashcards, test questions and answers

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What is Liquid Crystal Display?

Liquid Crystal Displays (LCDs) are an increasingly popular choice for visual displays in the modern world. They are thin, flat panels used in many different contexts, including computer monitors, televisions, and even digital watches. Their ability to display clear images with minimal energy consumption makes them a great option for both personal and commercial use.The most common type of LCDs use two sheets of polarizing material which contain liquid crystals that rotate when electric current passes through them. The varying angles created by the rotating crystals produces light depending on their orientation when exposed to external light sources such as sunlight or artificial lighting. This light is then channeled through colored filters or backlights to produce a variety of colors for image creation.LCDs have several advantages compared to traditional CRT (Cathode Ray Tube) TVs and monitors that made them the preferred choice in recent years. For one thing, they don’t suffer from image distortion due to their flat surface construction, making viewing more comfortable on the eyes than curved CRTs do. They also have very low power consumption while still providing high-quality visuals and fast refresh rates which makes them ideal for battery powered devices like smartphones and tablets. Furthermore, LCDs can come in various sizes so they can be used anywhere from small portable displays all the way up to large-screen TVs without sacrificing quality or features. All things considered, it’s easy to see why Liquid Crystal Displays have become so popular over time as an affordable alternative that offers excellent visual performance without forcing users into hefty investments or additional costs associated with bulky hardware like CRT TVs and monitors did before them.