申请人:DAI NIPPON PRINTING CO., LTD.
公开号:EP0864631A2
公开(公告)日:1998-09-16
A novel liquid crystalline charge transport material is provided which simultaneously has advantages of an amorphous material, that is, evenness in a large area, and advantages of a crystalline material having molecular alignment, is excellent in high-quality charge transport capability, film forming properties, various types of durability and the like, and permits the alignment to be regulated by external stimulation. The liquid crystalline charge transport material has smectic liquid crystallinity and an electron mobility of not less than 1 x 10-5 cm2/v.s.
本发明提供了一种新型液晶电荷传输材料,它同时具有非晶体材料的优点(即大面积均匀性)和具有分子排列的晶体材料的优点,在高质量电荷传输能力、成膜性能、各种耐久性等方面表现优异,并允许通过外部刺激调节排列。这种液晶电荷传输材料具有平滑液体结晶性,电子迁移率不小于 1 x 10-5 cm2/v.s。