Holographic display panel, holographic display device and display method therefor
US11106179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2017 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Dec 7, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/302
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A holographic display panel comprises a plurality of display units, each display unit comprises at least two adjacent pixels, each pixel comprises: a plurality of sub-pixels; and a plurality of phase plates. Diffractive angles of light coming out of the phase plates corresponding to the sub-pixels in a same pixel are the same, a diffractive angle of first light coming out of the phase plates corresponding to a first pixel in one of the display units is different from a diffractive angle of second light coming out of the phase plates corresponding to a second pixel that is different from the first pixel but in the same display unit, and a reverse extension line of the first light and a reverse extension line of the second light intersect at an image plane position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.