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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< Circuit substrate supporting optically and electrically conveyed signals, and method for forming same

> Image forming apparatus and mounting member for the image forming apparatus

> Composition containing a polymerizable optically active compound

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