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A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information.
Liquid crystals find wide use in liquid crystal displays, which rely on the optical properties of certain liquid crystalline substances in the presence or absence of an electric field. In a typical device, a liquid crystal layer (typically 4 μm thick) sits between two polarizers that are crossed (oriented at 90° to one another).
The twisted nematic (TN) display is one of the oldest and frequently cheapest kind of liquid crystal display technologies. TN displays have fast pixel response times and less smearing than other types of LCDs like IPS displays, but suffer from poor color reproduction and limited viewing angles, especially in the vertical direction. When viewed ...
A liquid-crystal-display television (LCD TV) is a television set that uses a liquid-crystal display to produce images. It is by far the most widely produced and sold ...
To display information with a twisted nematic liquid crystal, transparent electrodes are structured by photolithography to form a matrix or other pattern of electrodes, such as the seven-segment display used in low-information content applications like watches or calculators.
A segmented liquid-crystal display (segmented LCD) is a type of liquid-crystal display commonly used for showing numerical or limited character information, primarily in devices like calculators and digital watches. Segmented LCDs often display information in a one-line format. [1] They can have 7-segment digits, or 14- or 16-segment characters ...
An active-matrix liquid-crystal display (AMLCD) is an extremely common type of liquid-crystal display (LCD).Having supplanted passive-matrix LCDs in general use, in common vernacular, an active-matrix LCD is also simply referred to as a LCD.
LCos display systems typically consist of three main components: the LCos panel, the light source, and the optical system. The LCos panel is the heart of the display system. It consists of an array of pixels that are arranged in a grid pattern. Each pixel is made up of a liquid crystal layer, a reflective layer, and a silicon substrate.