申请人:Universal Display Corporation
公开号:US20180138425A1
公开(公告)日:2018-05-17
A compound useful as a host material in an OLED is provided. The compound includes at least one chemical group selected from the group consisting of triphenylene, carbazole, indolocarbazole, dibenzothiphene, dibenzofuran, dibenzoselenophene, aza-triphenylene, azacarbazole, aza-indolocarbazole, aza-dibenzothiophene, aza-dibenzofuran, and aza-dibenzoselenophene; wherein the compound is substituted by at least one R selected from the group consisting of alkyl, cycloalkyl, spiroalkyl, partially or fully deuterated variants thereof, partially or fully fluorinated variants thereof, and combination thereof.
提供一种在有机发光二极管中作为宿主材料有用的化合物。该化合物包括至少一种化学基团,所述化学基团选自三苯基、咔唑、吲哚咔唑、二苯并噻吩、二苯并呋喃、二苯并硒吩、氮杂三苯基、氮杂咔唑、氮杂吲哚咔唑、氮杂二苯并噻吩、氮杂二苯并呋喃和氮杂二苯并硒吩;其中该化合物被至少一个R取代,所述R选自烷基、环烷基、螺环烷基、部分或完全氘代变体、部分或完全氟代变体及其组合。