Directional backlight stereoscopic display device
US9946087B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2016 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Dec 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/376
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A direction backlight stereoscopic display device, comprises a backlight assembly, and sequentially comprises a lens array and an image display unit along a transmitting direction of light rays emitted from the backlight assembly. The lens array includes a plurality of lens units, and the lens units are arranged along a preset curvature, forming a concave surface facing toward the image display unit. The lens array of the directional backlight stereoscopic display device according to the embodiments of the present invention is arranged as a concave surface with a definite curvature, forming an uninterrupted viewing zone distribution in a viewing region to guarantee the viewing zone a visual effect of uniformity without any dark region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.