Holographic display system and method
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United States of America Patent
Stats
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Feb 6, 2024
Grant Date -
Oct 28, 2021
app pub date -
Jul 6, 2021
filing date -
Jan 14, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A holographic image display system comprising a processor receiving image data at an input and producing output hologram data based on the image data. The image data comprises three-dimensional image data that is separable into a plurality of two-dimensional image layers at different image planes. The processor is configured to: a) perform a space-frequency transform on each image layer to provide a transformed image layer, b) apply a focus factor to each transformed image layer, c) apply a pseudo-random phase factor to each transformed image layer, and d) sum the transformed image layers to form a holographic sub-frame, e) repeat steps (c) and (d) for a plurality of iterations, applying a different pseudo-random phase factor to the transformed image layers in each iteration to form a plurality of holographic sub-frames; and f) drive a spatial light modulator with the holographic sub-frames in rapid temporal succession to generate a holographic image.
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International Classification(s)
- 2021 Application Filing Year
- G03H Class
- 275 Applications Filed
- 136 Patents Issued To-Date
- 49.46 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- G03H Class
- 0 % this patent is cited more than
- 1 Age
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