Patent · US Active

Retardation film, method of manufacturing the same, and display

US7969541B2 · kind B2 · utility

7Cited by
17References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 2009
Grant dateJun 28, 2011
Priority date
Expiry dateSep 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.