Polarizing plate, optical film and image display
US8722182B2 · kind B2 · utility
5Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2008 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Apr 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A polarizing plate of the present invention comprises a polarizer; an adhesive layer; and a transparent protective film bonded to at least one side of the polarizer with the adhesive layer interposed therebetween, wherein the adhesive layer is formed from an active energy ray curing adhesive containing at least one curable component, and the adhesive layer has a glass transition temperature (Tg) of 60° C. or more, and a thickness of 0.01 μm an to 5 μm. The polarizing plate has sufficient durability in a severe environment at high temperature and high humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.