Illuminated Sign Conspicuity – What Factors Make a Sign Noticeable and Legible?

Illuminated Sign Conspicuity – What Factors Make a Sign Noticeable and Legible?

This report summarizes these pilot studies, published research studies, technical reports and codes and standards related to the visual effectiveness (i.e., conspicuity and legibility) of signage.

The Lighting Research Center (LRC) at Rensselaer Polytechnic Institute conducted activities for the Sign Research Foundation. This report summarizes these pilot studies, published research studies, technical reports and codes and standards related to the visual effectiveness (i.e., conspicuity and legibility) of signage. An additional section of the report describes techniques for using an illuminance meter to estimate the luminance of a large-format, self-illuminated sign. Finally, several preliminary guidelines based on the project findings are included for maximizing the conspicuity and legibility of illuminated signs.

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