Protective film for polarizing plate and polarizing plate using the same
US9650481B2 · kind B2 · utility
2Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2016 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Jun 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
There are provided a protective film for a polarizing plate, wherein the protective film comprises a stretched film comprising a (meth)acryl-based resin and having an absolute value of a planar orientation coefficient ΔP of less than or equal to 2.5×10−4, and a polarizing plate comprising a polarizing film, and the protective film for a polarizing plate laminated on at least one surface of the polarizing film via an adhesive layer. The stretched film can be, for example, a biaxially stretched film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.