Directional light emitters and electronic displays featuring the same
US10616562B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2017 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Jun 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/398
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light field display for displaying a series of image frames to one or more viewers, the light field display includes: a plurality of light field pixels, each light field pixel including a plurality of light emitting elements, each light emitting element being configured to emit substantially collimated light, in which each light field pixel selectively emits light from each light emitting element into one or more of a plurality of different viewing directions during a single image frame during operation of the light field display; and an electronic controller in communication with the plurality of pixels, the electronic controller being programmed to cause each light field pixel to direct light into one or more of the plurality of different viewing directions such that a perspective of a displayed image varies according to the viewing direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.