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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. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome.
Response time compensation for liquid-crystal displays is also known as "Overdrive". LCDs moderate light flow by rotating liquid crystal molecules to various alignments where they transmit more or less light depending on the electrical setting at each individual pixel . The speed at which these liquid crystal molecules rotate is relatively slow ...
The LCD grid can mask effects of spatial and grayscale quantization, creating the illusion of higher image quality. Is the cheapest display technology currently produced, with some entry-level models selling for less than $100. Screen-door effects are more noticeable than LCD when up close, or on larger sizes.
A thermographic camera (also called an infrared camera or thermal imaging camera, thermal camera or thermal imager) is a device that creates an image using infrared (IR) radiation, similar to a normal camera that forms an image using visible light. Instead of the 400–700 nanometre (nm) range of the visible light camera, infrared cameras are ...
A specially developed CCD in a wire-bonded package used for ultravioletimaging. A charge-coupled device(CCD) is an integrated circuitcontaining an array of linked, or coupled, capacitors. Under the control of an external circuit, each capacitor can transfer its electric chargeto a neighboring capacitor.
A much more useful way to compare CRT to LCD response time is to use the response curves of phosphor illumination as an indicator of response time. In many ways the LCD vs. CRT response time debate is like comparing apples to oranges, since the response curve for illuminating and darkening a phosphor dot is asymmetrical, with virtually ...
Refresh rate. The refresh rate, also known as vertical refresh rate or vertical scan rate in reference to terminology originating with the cathode-ray tubes (CRTs), is the number of times per second that a raster-based display device displays a new image. This is independent from frame rate, which describes how many images are stored or ...
IPS panel. IPS ( in-plane switching) is a screen technology for liquid-crystal displays (LCDs). In IPS, a layer of liquid crystals is sandwiched between two glass surfaces. The liquid crystal molecules are aligned parallel to those surfaces in predetermined directions ( in-plane ). The molecules are reoriented by an applied electric field ...