1979-02-01

An Objective Measure of the Readability of Electronic Display - Optical Filter Combinations 790050

The ambient light levels incident on electronic displays located in the instrument panel can be sufficiently bright to impair their readability, unless optical filtering techniques are employed. The aim of this study was to develop the experimental procedures and associated instrumentation to objectively and quantitatively measure the readability of a given electronic display - optical filter combination.Readability was quantified through the two criteria of recognition accuracy and response time. The effects of display parameters such as character size, luminance, and background color on the accuracy and response time data, and subsequent filter choice, were evaluated.

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