Polarizing plate, image display device comprising same and photocurable composition for polarizing plate protection layer
US11787971B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Nov 23, 2018 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Aug 21, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133528
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polarizing plate, an image display device comprising the same, and a photocurable composition for a polarizing plate protective layer are provided. The polarizing plate includes a polarizer; and a protective layer in contact with at least one surface of the polarizer. The protective layer is a cured material of a photocurable composition for a polarizing plate protective layer including a photopolymerizable compound, and a photocation polymerization initiator. The photopolymerizable compound includes a first epoxy-based compound, a second epoxy-based compound and an oxetane compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.