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Printing, Display & Output

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Printing, Display & Output

Delta E

A numerical measure of the perceived difference between two colours, used to quantify display and print accuracy.

ΔE = distance in CIELAB space ΔE Printing, Display & Output

Display Pixel Density

The number of pixels per inch on a screen, which determines how much image detail it can actually show.

ppi Printing, Display & Output

Dmax

The maximum density a print can achieve, measuring how dark its blacks are.

Dmax = log₁₀(1 / reflectance) density units Printing, Display & Output

Dot Gain

The tendency of printed halftone dots to spread as ink is absorbed, making the result darker than intended.

% Printing, Display & Output

DPI

Dots per inch: the number of individual ink droplets a printer places along an inch of paper.

dpi Printing, Display & Output

Dry Mounting

Bonding a print to a board using a heat-activated adhesive tissue in a press.

°C Printing, Display & Output

Duotone

A print made from two inks, typically black plus one colour, giving a monochrome image more tonal depth than black alone.

count Printing, Display & Output

Dye Ink

Ink whose colourant is dissolved in liquid and absorbed into the paper's coating.

 Printing, Display & Output

Dye-sublimation

A printing process in which solid dye is heated into a gas that diffuses into a receiving surface and solidifies there.