Multiple depth plane three-dimensional display using a wave guide reflector array projector
US9310559B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 11, 2013 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Sep 9, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0127
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A two-dimensional array of linear wave guides includes a plurality of 2D planar wave guide assemblies, columns, sets or layers which each produce a respective depth plane to for a simulated 4D light field. Linear wave guides may have a rectangular cylindrical shape, and may stacked in rows and columns. Each linear wave guide is at least partially internally reflective, for example via at least one opposed pair of at least partially reflective planar side walls, to propagate light along a length of the wave guide. Curved micro-reflectors may reflect some modes of light while passing others. The side walls or a face may reflect some modes of light while passing others. The curved micro-reflectors of any given wave guide each contribute to spherical wave front at a defined radial distance, the various layers producing image planes at respective radial distances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.