5. Contrast Ratio (Display Learn)


The difference between the lightest and darkest tones of a display is known as the contrast ratio. One of the key elements in determining the quality of a picture is the contrast ratio since it expresses the difference between a display’s maximum brightness (white) and minimum luminance (black) in ratio form. The better the image quality may be displayed, the higher the contrast ratio.

The contrast ratio defines the distinction between the brightest white and the darkest black that a monitor is capable of producing.


The contrast ratio, for instance, is 100:1 if the brightest (White) is 100 cd/m2 and the darkest (Black), is 1 cd/m2.


An important factor in evaluating the quality of an image is its contrast ratio, which establishes the extent to which the brightness and darkness of the image can be communicated in specificity. So, a display of visual quality benefits from a higher contrast ratio.


Series Navigation<< 4. Luminance (Display Learn)6. Aspect Ratio (Display Learn) >>
See also  3. PPI (Pixels Per Inch)
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