Volumetric display including liquid crystal-based lenses
US12022054B2 · kind B2 · utility
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6References
20Claims
0Family size
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Key dates
| Filing date | Jan 31, 2022 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Jan 31, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/0136
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A volumetric display may include a two-dimensional display; a varifocal optical system configured to receive image light from the two-dimensional display and focus the image light; and at least one processor configured to: control the two-dimensional display to cause a plurality of sub-frames associated with an image frame to be displayed by the display, wherein each sub-frame of the plurality of sub-frames includes a corresponding portion of image data associated with the image frame; and control the varifocal optical system to a corresponding focal state for each respective sub-frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.