申请人:Universal Display Corporation
公开号:US10208026B2
公开(公告)日:2019-02-19
A compound having the structure of Formula I, A-L-B-M-D, is disclosed. In the structure of Formula I:
A is selected from
L is a linker selected from a single bond, an aryl group, a heteroaryl group, and combinations thereof, and may be further substituted;
L-B-M has the structure:
M is selected from an aryl group, a heteroaryl group, and combinations thereof, and may be further substituted;
D has the structure:
X is O, S, Se, or CR′R″; X1-X8, Y1-Y12, Z1, Z3-Z8, and Z11-Z18 are each independently N or CR; each R, R′, and R″ are selected from a wide variety of substituents; where adjacent R substituents can form a fused ring; and R′ and R″ can form a ring. Formulations and devices, such as an OLEDs, that include the compound of Formula I are also described.
本发明公开了一种具有式 I(A-L-B-M-D)结构的化合物。在式 I 的结构中
A 选自
L 是选自单键、芳基、杂芳基及其组合的连接体,可被进一步取代;
L-B-M 的结构如下
M 选自芳基、杂芳基及其组合,并可被进一步取代;
D 具有以下结构
X为O、S、Se或CR′R″;X1-X8、Y1-Y12、Z1、Z3-Z8和Z11-Z18各自独立地为N或CR;各R、R′和R″选自多种取代基;其中相邻的R取代基可形成融合环;R′和R″可形成环。还描述了包括式 I 化合物的制剂和设备,如 OLED。