| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve light resistance in a liquid crystal material used for a projection type device such as a projector. Ž<P>SOLUTION: The liquid crystal material includes an aromatic ring and the aromatic ring has a carbon constituting an adamantyl group at least one benzyl position. Thereby, occurrence of radical reaction at the benzyl position of the liquid crystal material can be effectively suppressed. Accordingly degradation of display characteristics due to the radical reaction can be prevented and light resistance of the liquid crystal material can be raised. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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