申请人:Universal Display Corporation
公开号:US20160240800A1
公开(公告)日:2016-08-18
A compound having a Pt tetradentate structure selected from the group consisting of
is provided. In the structures of Formula 1 and Formula 2, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L
1
, L
2
, and L
3
are each independently a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO
2
, SiRR′, GeRR′, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NR
E
, O, S, and Se; X
3
and X
4
each independently carbon or nitrogen; and one of Q
1
, Q
3
, and Q
4
is oxygen, and the remaining two of Q
1
, Q
3
, and Q
4
each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formulas 1 and 2 are also described.
提供了一种从包括的群体中选择的具有Pt四齿结构的化合物。在公式1和公式2的结构中,环C和环D分别独立表示5-或6-成员碳环或杂环;L1、L2和L3分别独立表示直接键,BR,NR,PR,O,S,Se,C═O,S═O,SO2,SiRR′,GeRR′,烷基,环烷基或它们的组合;n1和n2的和为1或2;X从NRE,O,S和Se中选择;X3和X4分别独立表示碳或氮;Q1、Q3和Q4中的一个是氧,剩下的两个Q1、Q3和Q4中的每一个表示直接键。还描述了包括公式1和公式2的化合物的配方和设备,如OLEDs。