申请人:Universal Display Corporation
公开号:US20160233423A1
公开(公告)日:2016-08-11
Compounds having a structure according to Formula I, G
1
-L
1
-G
2
, or Formula V,
are described. In Formula I, G
1
and G
2
independently have a structure of Formula II,
In the structures of Formula I, II, and V, L
1
connects one of rings A1-A4 of G
1
to one of rings A1-A4 of G
2
; L
1
is selected from a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO
2
, SiRR′, GeRR′, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; each ring A1, A2, A3, and A4, as well as R, R′R″, and R
1
to R
19
can be hydrogen or a variety of substituents, including a fused ring between adjacent substituents; and at least two adjacent R
1
to R
16
on the same ring are
Formulations and devices, such as an OLEDs, that include the compound of Formula I or V are also described.
本文描述了具有结构公式I,G1-L1-G2或公式V的化合物。在公式I中,G1和G2独立地具有公式II的结构,在公式I,II和V的结构中,L1连接G1的环A1-A4中的一个与G2的环A1-A4中的一个;L1从直接键,BR,NR,PR,O,S,Se,C═O,S═O,SO2,SiRR′,GeRR′,烷基,环烷基,芳基,杂环芳基和它们的组合中选择;每个环A1,A2,A3和A4,以及R,R′R″和R1至R19均可为氢或各种取代基,包括相邻取代基之间的融合环;同一环上至少有两个相邻的R1至R16为Formulation和设备,例如包括公式I或V的化合物的OLED也被描述。