BIAXIAL FILM HAVING LOCAL BIREFRINGENCE THAT VARIES PERIODICALLY
申请人:Merck Patent GmbH
公开号:EP1763689A1
公开(公告)日:2007-03-21
BIAXIAL FILM II
申请人:Merck Patent GmbH
公开号:EP1789514B1
公开(公告)日:2007-11-14
Biaxial Film Having Local Birefringence That Varies Periodically
申请人:Parri Llyr Owain
公开号:US20070258024A1
公开(公告)日:2007-11-08
The invention relates to an optically biaxial film comprising an anisotropic material with deformed helically twisted structure and locally varying birefringence, to methods and materials for its preparation, to its uses as retardation or compensation film in optical devices like liquid crystal displays, and to compensators and liquid crystal displays comprising such a biaxial film.
Biaxial Film II
申请人:Verrall Mark
公开号:US20080113111A1
公开(公告)日:2008-05-15
The invention relates to an optically biaxial film comprising an anisotropic material with uniform helically twisted structure and a reflection wavelength below 400 nm, to methods and materials for its preparation, to its use as retardation or compensation film in optical devices like liquid crystal displays, and to compensators and liquid crystal displays comprising such a biaxial film.