Multiview backlight, multiview display, and method employing reflective multibeam elements
US11909948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2022 |
| Grant date | Feb 20, 2024 |
| Priority date | — |
| Expiry date | May 13, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133605
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multiview backlight, multiview display, and method of multiview backlight operation include reflective multibeam elements configured to provide emitted light having directional light beams with directions corresponding to view directions of a multiview image. The multiview backlight includes a light guide configured to guide light and an array of the reflective multibeam elements, each reflective multibeam element including a plurality of reflective sub-elements and being configured to reflectively scatter out a portion of the guided light as the emitted light. The multiview display includes the multiview backlight and an array of light valves to modulate the directional light beams to provide the multiview image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.