PHOTOLUMINESCENT (PL) APPLICATIONS ON MOVEABLE EQUIPMENT
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Dec 6, 2011
filing date -
Apr 29, 2005
priority date (Note) -
Abandoned
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Abstract
An equipment article and method of illuminating equipment articles in low light conditions. The equipment article includes a rotatable element and a photoluminescent application to a surface of the rotatable element. The photoluminescent application includes a plurality of strontium aluminate phosphor crystals. The photoluminescent application exhibits a luminance of greater than or equal to 0.05 millicandela per square meter (mcd/m2) for a period of at least 4000 minutes. The method of illuminating equipment articles in low light conditions illuminates the articles by the exhibited luminance.
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