Active grating, three-dimensional display device and three-dimensional display method
US10200682B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 11, 2014 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Feb 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/29
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An active grating, a three-dimensional display device and a three-dimensional display method are provided. The three-dimensional display device comprises: a display panel (1) and an active grating (2) disposed oppositely; a face recognition module, configured to acquire a distance from a current viewer to the active grating (2); a first calculating module, in signal connection with the face recognition module, configured to calculate a theoretical horizontal width of each of the light shielding regions (21) when the current viewer see an ideal 3D image at a current position, according to the distance acquired by the face recognition module and a first corresponding relationship between the distance from the current viewer to the active grating and the theoretical horizontal width of each of the light shielding region of the active grating when the current viewer see the ideal 3D image; and an adjusting module, in signal connection with the first calculating module and a driving circuit of the active grating respectively, configured to send a corresponding first control instruction to the driving circuit according to the theoretical horizontal width calculated by the first calculati…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.