Retardation film, method of manufacturing the same, and display
US7969541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2009 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Sep 22, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/05
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A retardation film which is manufacturable by a simple process, and being capable of preventing a decline in light use efficiency is provided. A retardation film includes: a substrate having a plurality of grooves extending in a specific direction on a surface thereof; and a retardation layer arranged in contact with the surface of the substrate, and including a liquid crystal material, the liquid crystal material being aligned along the extending direction of the plurality of grooves and being polymerized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.