Cellulose acylate film, polarizing plate and liquid crystal display
US8425991B2 · kind B2 · utility
5Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2006 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Aug 31, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/134363
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cellulose acylate film satisfying the following formulae:50 nm<Re<400 nm−200 nm≦Rth≦50 nm|Nz|≦10wherein Nz represents (Rth/Re)+0.5. The film has an excellent optical compensation performance and a high productivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.