近年来OLED中双极性主体材料的研究进展在专利中的反映

Reflection of Recent Development of Bipolar Hosts Materials for OLED in Patent

双极性主体材料是目前提高电致发光器件发光效率的关键材料。本文从双极性主体材料的构造原理出发,提出了一种独到的结构特征分类方式,以结构特征及其演变过程为主线梳理了近年来这个领域的专利技术,并归纳提炼出目前这类材料在结构设计方面的主要构思,文末还对该领域的发展前景进行了展望。

Bipolar hosts are the key point to improve the luminous efficiency of electroluminescent device.One novel type of structural classification method is put forward according to the structural construction principle of the bipolar hosts in this article.The main patent technology in recent years is reviewed through the main line of the structure characteristics and evolution of the bipolar hosts in this area.The primary concepts in structure design of these materials are extracted and summarized.At last the prospect of this field is presented.