A family of phosphorescent emitter compounds containing a carbene ligand L
A
selected from the group consisting of:
is disclosed. These compounds enhance the performance of OLEDs when incorporated therein.
[EN] PHOSPHORUS COMPOUNDS AND METHODS THEREOF<br/>[FR] COMPOSÉS PHOSPHORÉS ET LEURS PROCÉDÉS
申请人:AGENCY SCIENCE TECH & RES
公开号:WO2022132048A1
公开(公告)日:2022-06-23
The disclosure concerns phosphorus compounds of formula (I), (II) and (III) and methods of synthesising these compounds. The phosphorus compound can be a cyclic phosphorus compound. The method comprises reacting a compound having two Michael acceptor groups with a hypophosphite ester, acid, salt or solvate thereof and an optional organosilicon compound. The diene can be a cyclodiene.