Holographic image display device
US11454930B2 · kind B2 · utility
0Cited by
2References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 19, 2018 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Jul 20, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2240/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A holographic image display device according to one embodiment comprises: an image display unit on which a holographic image is displayed; and a spatial impression providing unit which forms a space surrounding the holographic image, and includes a transparent color material such that the space looks colored and the holographic image can be recognized from the outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.