Alignment film, liquid crystal panel, and method for producing liquid crystal panel
申请人:SHARP KABUSHIKI KAISHA
公开号:US11156873B2
公开(公告)日:2021-10-26
The present invention provides an alignment film capable of reducing generation of bubbles in a liquid crystal layer, a liquid crystal panel including the alignment film, and a method for producing the liquid crystal panel. The alignment film contains at least one selected from the group consisting of a polyamic acid containing a bisaniline fluorene skeleton and a polyimide containing a bisaniline fluorene skeleton. Preferably, the bisaniline fluorene skeleton of the polyamic acid is contained in a diamine unit of the polyamic acid and the bisaniline fluorene skeleton of the polyimide is contained in a diamine unit of the polyimide.
本发明提供了一种能够减少液晶层中气泡产生的对位膜、一种包括该对位膜的液晶面板以及一种生产该液晶面板的方法。对准膜包含至少一种选自包含双苯芴骨架的聚酰胺酸和包含双苯芴骨架的聚酰亚胺的组。优选地,聚氨基甲酸酯的比苯胺芴骨架包含在聚氨基甲酸酯的二胺单元中,而聚酰亚胺的比苯胺芴骨架包含在聚酰亚胺的二胺单元中。