Peelable laminated film and method for producing polarizing plate
US10987898B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2019 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Sep 15, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3033
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A peelable laminated film in which a substrate film containing a polyester resin and a light transmitting film containing a resin having a glass transition temperature of higher than 80° C. and an aromatic ester compound are laminated, and a method for producing a polarizing plate which contains bonding a surface of the light transmitting film of the peelable laminated film to a polarizer through an adhesive, the surface being opposite to an interface of the light transmitting film to the substrate film, and then peeling off the substrate film to obtain a polarizing plate having the polarizer and the light transmitting film are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.