发明授权
US07527833B2 Biaxial film 有权
双轴膜

Biaxial film
摘要:
The invention relates to an optically biaxial film with cholesteric structure, methods and materials for its preparation, 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 retardation film.
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