Title:
耐久性に優れたO-プレート及びこれを含む一体型偏光板
Document Type and Number:
Japanese Patent JP4787356
Kind Code:
B2
Abstract:
There are provided an optical compensation film including an alignment film whose adhesiveness to a substrate and a liquid crystal layer and alignment property are excellent when a novel substrate is used to solve the problem regarding deteriorated durability being caused when a retardation film including a liquid crystal film is used under a hot and humid environment, and an integrated polarizing plate comprising the same. The O-plate includes a substrate; an alignment film prepared by coating the substrate with a composition for an alignment film that is composed of polyvinyl alcohol, a multifunctional acrylate monomer, a compatibilizing agent, a photo initiator and a solvent, followed by undergoing drying, curing and rubbing processes; and a splay-aligned liquid crystal film formed on the alignment film.
Inventors:
Du Hyun Shin
Jang Han Yun
Byung Kun Jung
Moon Soo Park
Jang Han Yun
Byung Kun Jung
Moon Soo Park
Application Number:
JP2009502701A
Publication Date:
October 05, 2011
Filing Date:
November 15, 2007
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
G02B5/30; G02F1/1335; G02F1/13363
Domestic Patent References:
| JP2005099329A | 2005-04-14 | |||
| JP2008076517A | 2008-04-03 |
Attorney, Agent or Firm:
Sumio Tanai
Shinya Mitsuhiro
Shinya Mitsuhiro