Nonlinear optical chromophores having tetrahydrocarbazole donor groups, lyotropic compositions containing the same, and methods of poling such compositions
US11976232B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 9, 2022 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Dec 9, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K19/3477
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nonlinear optical chromophore compositions which display lyotropic nematic liquid crystal phases in polar organic solvents and provide a mechanical anisotropic effect allowing for the formation of a non-centrosymmetric chromophore-polymer matrix without the application of an electric field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.