Polarizing plate, image display apparatus comprising same, and adhesive composition for polarizing plate
US11391984B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2019 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present specification relates to a polarizing plate comprising a polarizer; a protective layer directly formed on one surface of the polarizer; and an adhesive layer and a protective film consecutively provided on a surface of the polarizer on which the protective layer is not formed, wherein the adhesive layer is a resin layer comprising an active energy ray-curable composition comprising a first epoxy compound (A) comprising one or more alicyclic epoxy rings, and, with respect to 100 parts by weight of the first epoxy compound (A), a second epoxy compound (B) comprising one or more glycidyl ether groups in 110 parts by weight to 500 parts by weight and an oxetane compound (C) in 5 parts by weight to 85 parts by weight, or a cured material thereof, an image display device comprising the same, and an adhesive composition for a polarizing plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.