3D display device and operating method thereof
US9664919B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 21, 2012 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Mar 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/337
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A 3D display device and an operating method thereof, the 3D display device comprising: a display screen (10), for displaying two-dimensional left and right eye pictures; a magnetic field device (20), disposed right in front of the display screen (10) on a light emitting side of the display screen and generating a magnetic field having a varying frequency in synchronization with a refresh frequency of the two-dimensional left and right eye pictures of the display screen (10), thus rotating a direction of a polarization plane of polarized light emitted from the display screen (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.