Display device with free focus capability
US9813695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2012 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Dec 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/307
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device (40) comprising: a display panel (41) comprising a set of pixels (41R, 41L) the pixels being spatially distributed over the display panel, and each pixel being for providing a light output, the set of pixels comprising a plurality of different subsets (411) of pixels, each subset of pixels comprising one or more pixels of the set of pixels, an imaging unit (42) arranged for imaging the one or more pixels of a subset of pixels to form pixel images on a plurality of view areas on an imaginary plane located at a first distance in front of the display, the plurality of view areas not overlapping each other, with at least one pixel image of each one of the different subsets of pixels overlapping on a same one of the plurality of view areas, the imaginary plane comprising an imaginary circle having the diameter of the pupil of an eye, and the imaginary circle enclosing at least a part of at least two of the plurality of view areas, where the at least two of the plurality of view areas at least partly enclosed within the imaginary circle differ from each other with respect to at least one of the pixel images therein. The display system may be for one eye only or for two e…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.