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Wednesday, August 24, 2011

LCD Terms


LCD Terms

  • Bezel - This is the metal or plastic frame surrounding the display screen. On LCD displays, the bezel is typically very narrow.

  • Contrast ratio - The difference in light intensity between white and black on an LCD display is called contrast ratio. The higher the contrast ratio, the easier it is to see details.

  • Ghosting - An effect of slower response times that cause blurring of images on an LCD monitor, it's also known aslatency. The effect is caused by voltage temporarily leaking from energized elements to neighboring, non-energized elements on the display.

  • Luminance - Also known as brightness, it is the level of light emitted by an LCD display. Luminance is measured in nits orcandelas per square meter (cd/m2). One nit is equal to one cd/m2.

  • Native resolution - This actual measurement of an LCD display, in pixels, is given in horizontal by vertical order.

  • Response time - The speed at which the monitor's pixels can change colors is called response time. It is measured in milliseconds (ms).

  • Stuck pixels - A pixel that is stuck either 'on' or 'off', meaning that it is always illuminated, unlit, or stuck on one color regardless of the image the LCD monitor displays can also be called a dead pixel.

  • VESA mount - With this, you can mount a monitor on a desk or wall. It meets recommendations of the Video Electronics Standards Association (VESA).

  • Viewing angle - It's the degree of angle at which you can view the screen from the sides (horizontal angle) and top/bottom (vertical angle) and continue to see clearly defined images and accurate colors.

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