Adjustment structure for depth of field, display device and control method thereof
US10983337B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 1, 2019 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Oct 1, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An adjustment structure for depth of field, a display device, and a control method thereof. The adjustment structure for depth of field includes: a first substrate, a second substrate and a lens layer located between the first substrate and the second substrate. The lens layer includes a plurality of lens units; each of the plurality of lens units includes two electrodes and a lens located between the two electrodes with an adjustable focal length; the lens includes charged particles and a first transparent insulating liquid encapsulated by a transparent flexible film; the charged particles include positively charged particles and negatively charged particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.