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Cube-corner retroreflective articles having tailored divergence profiles

  • US 4,775,219 A
  • Filed: 11/21/1986
  • Issued: 10/04/1988
  • Est. Priority Date: 11/21/1986
  • Status: Expired due to Term
First Claim
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1. Retroreflective article which carries on one side an array of cube-corner retroreflective elements, the three lateral reflecting faces of the elements being formed by three intersecting sets of parallel V-shaped grooves, at least one of the sets including, in a repeating pattern, at least two groove side angles that differ from one another, whereby the array of cube-corner retroreflective elements is divided into repeating sub-arrays that each comprise a plurality of cube-corner retroreflective elements in a plurality of distinctive shapes that retroreflect incident light in distinctively shaped light patterns.

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