Video display units, also known as VDUs, are electronic devices that display visual information from a computer or other electronic device. They are commonly used in offices, homes, and other settings where people need to view digital content. VDUs come in a variety of sizes and styles, ranging from small handheld devices to large, wall-mounted screens. The earliest VDUs were cathode ray tube (CRT) displays, which used an electron beam to create an image on a phosphorescent screen. These displays were bulky and required a lot of power, but they were the only option for many years. Today, most VDUs use liquid crystal display (LCD) or organic light-emitting diode (OLED) technology, which are much more energy-efficient and compact. VDUs are an essential component of modern computing, allowing users to interact with digital content in a visual way. They are used for a wide range of applications, including word processing, graphic design, gaming, video playback, and more. Many VDUs also have built-in speakers, webcams, and other features that enhance their functionality. Despite their widespread use, VDUs have been the subject of some controversy due to their potential impact on human health. Prolonged use of VDUs can cause eye strain, headaches, and other symptoms, particularly if the display is not properly calibrated or if the user does not take frequent breaks. However, with proper usage and maintenance, VDUs can be a valuable tool for productivity and entertainment.
Cathode ray tube, Liquid crystal display, Organic light-emitting diode, Eye strain, Productivity
CITATION : "Michael Martinez. 'Video Display Units.' Design+Encyclopedia. https://design-encyclopedia.com/?E=406727 (Accessed on July 18, 2025)"
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