Adhesive film for polarizing plate, polarizing plate and optical display comprising the same
US10358581B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Nov 23, 2016 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Nov 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/28
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer and a cellulose ester binder. The (meth)acrylic copolymer contains an alkyl group, a hydroxyl group, an alicyclic group, and a hetero-alicyclic group. The adhesive film has a modulus at 30° C. of about 100,000 Pa or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.