Device comprising a stack of individual liquid crystal cells having electrical circuitry operable to generate a stack of refractive index patterns and method of producing the same
US11347101B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2020 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Jun 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/137
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A technique, comprising: producing at least first and second individual liquid crystal cells, wherein the first and second individual liquid crystal cells each comprise liquid crystal material between a respective pair of support components, and electrical circuitry operable to generate a refractive index pattern in the liquid crystal material; the method comprising adhering together at least the first and second liquid crystal cells to form a stack of liquid crystal cells; wherein the electrical circuitry of the first and second liquid crystal cells is operable together to generate a stack of refractive index patterns in the liquid crystal material of the stack of liquid crystal cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.