Patent · US Active

Micro-optic device with double sided optical effect

US10780726B2 · kind B2 · utility

0Cited by
2References
24Claims
0Family size

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Inventors

Key dates

Filing dateApr 13, 2017
Grant dateSep 22, 2020
Priority date
Expiry dateApr 13, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B30/30
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A micro-optic device, including: a transparent substrate; first lens elements on a first side of the substrate that reveal first image elements on a second side of the substrate; and second lens elements on the second side of the substrate that reveal second image elements on the first side of the substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.