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|1. (WO2018008231) OPTICAL FILM AND METHOD FOR PRODUCING OPTICAL FILM|
|Applicants:||JXTG NIPPON OIL & ENERGY CORPORATION
|Title:||OPTICAL FILM AND METHOD FOR PRODUCING OPTICAL FILM|
This method for producing an optical film 100 having a liquid crystal layer 30 comprises: an aligning step for imparting a film with liquid crystal aligning ability; a first liquid crystalline composition application step for applying a first liquid crystalline composition, which contains a first liquid crystal material having turning properties in a first direction, to a first region 34 on the film 20, which has been aligned; a second liquid crystalline composition application step for applying a second liquid crystalline composition, which contains a second liquid crystal material having turning properties in a second direction that is different from the first direction, to a second region 43 on the film 20, which has been aligned, said second region 43 not overlapping the first region 34; and a liquid crystal aligning step for forming the liquid crystal layer 30 by aligning the first liquid crystal material and the second liquid crystal material by heating and subsequently immobilizing the alignments. Consequently, an optical film 100, which has been provided with a design, is able to be easily produced without damaging a liquid crystal layer 30.