Display switching device, display device and electronic device
US11402656B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2017 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/29
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display switching device, a display device and an electronic device are provided. The display switching device includes: a controller; and a lens array, including a plurality of diffractive lenticular lenses, wherein each of the diffractive lenticular lenses includes: a first substrate, including a diffraction phase grating array; a liquid crystal element, including liquid crystal being filled in the diffraction phase grating array; a first electrode layer and a second electrode layer configured to apply a voltage to the liquid crystal element, wherein the controller is configured to acquire a corresponding display mode and apply a control voltage corresponding to the display mode to the first electrode layer and the second electrode layer according to the display mode to change a refractive index state of the liquid crystal element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.