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Badge assemblies that emanate visible iridescent patterns

  • US 10,457,201 B2
  • Filed: 11/22/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 11/22/2016
  • Status: Active Grant
First Claim
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1. A badge assembly, comprising:

  • a translucent, polymeric badge comprising an edge and an integral diffraction grating having a thickness from 500 nm to 750 nm and a period from 150 nm to 400 nm; and

    LED sources oriented toward the edge,wherein the grating diffracts light from the LED sources through the badge as a visible iridescent pattern, andfurther wherein the badge comprises glass fillers in the range of 1 to 15% by volume.

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