Micro-optic device with integrated focusing element and image element structure
US10792948B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 2017 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/355
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A micro-optic device, including: a substrate; a plurality of image elements; and a plurality of focusing elements, each focusing element focuses light towards, or causes light to be diverged from or constructively interfere at a real or imaginary focal point, the focusing elements causing the image elements to be sampled so as to project imagery which is observable to a user from at least a first viewing angle, wherein a first focusing structure including at least a first group of the focusing elements and a first imagery structure including at least a first group of the image elements are integrated into a first unitary structure on a first side of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.