CGH generator and display apparatus including the same
US12189336B2 · kind B2 · utility
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25Claims
0Family size
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Key dates
| Filing date | Nov 1, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | May 16, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2225/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.