Optically clear high refractive index adhesives
US10954418B2 · kind B2 · utility
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13References
11Claims
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Key dates
| Filing date | Nov 25, 2014 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Mar 7, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J7/381
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Optically clear adhesive compositions contain an elastomeric polymer and a low molecular weight polymeric additive. The elastomeric polymer and the low molecular weight polymeric additive form an acid-base interaction. The refractive index of the adhesive composition is higher than the refractive index of the elastomeric polymer. The adhesive composition may also contain additional domains of liquids, polymers, additives or particles that have a higher refractive index than the elastomeric polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.