Nanostructured flat lenses for display technologies
US10502983B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2019 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Jul 1, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T19/006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Embodiments described herein relate to display devices, e.g., virtual and augmented reality displays and applications. In one embodiment, a planar substrate has stepwise features formed thereon and emitter structures formed on each of the features. An encapsulating layer is disposed on the substrate and a plurality of uniform dielectric nanostructures are formed on the encapsulating layer. Virtual images generated by the apparatus disclosed herein provide for improved image clarity by reducing chromatic aberrations at an image plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.