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公开(公告)号:US11469383B2
公开(公告)日:2022-10-11
申请号:US16583484
申请日:2019-09-26
Applicant: Universal Display Corporation
Inventor: Jui-Yi Tsai , Pierre-Luc T. Boudreault , Erik Mora
Abstract: A compound of Formula I wherein L is a bidentate ligand coordinated to a metal M; each ring K is the same, and represents a 5-membered or 6-membered heteroaryl ring and with ring J forms a 5-member cyclometallated ring; A1 and A1′ are the same and selected from CR1 or N; A2 and A2′ are the same and selected from CR2 or N; A3 and A3′ are the same and selected from CR3 or N; each R4 with its corresponding ring position R4′ are the same, and R1 to R5 are as defined in the specification. An OLED with an organic layer that includes a compound of Formula I and a consumer product that includes the OLED. A method of making a compound of Formula I is also described.
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公开(公告)号:US12018035B2
公开(公告)日:2024-06-25
申请号:US17186016
申请日:2021-02-26
Applicant: Universal Display Corporation
Inventor: Jui-Yi Tsai , Alexey Borisovich Dyatkin , Wei-Chun Shih , Zhiqiang Ji , Pierre-Luc T. Boudreault , Miguel A. Esteruelas , Erik Mora , Enrique Oñate
IPC: H01L51/00 , C07F15/00 , H10K85/30 , H10K85/40 , H10K85/60 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/10
CPC classification number: C07F15/0033 , H10K85/342 , H10K85/40 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/171 , H10K2101/10
Abstract: Provided are organoiridium compounds that are useful as emitters in OLEDs. The compounds have Formula I L1L2Ir-L-Ir-L3L4, where: L is a bis-bidentate ligand including two or more aromatic rings; one of the two or more aromatic rings is bonded to the two Ir atoms at the same time; and each of L1, L2, L3, and L4 is independently a bidentate N-heterocyclic carbene ligand or a substituted or unsubstituted acetylacetonate ligand with L1, L2, L3, and L4 each being the same or different. Also provided are formulations including these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.
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公开(公告)号:US20210135130A1
公开(公告)日:2021-05-06
申请号:US17068848
申请日:2020-10-13
Applicant: Universal Display Corporation
Inventor: Jui-Yi TSAI , Alexey Borisovich DYATKIN , Walter YEAGER , Morgan C. Macinnis , Pierre-Luc T. Boudreault , Miguel A. Easteruelas , Erik Mora , Enrique Oñate
Abstract: Provided are organoiridium compounds of Formula Ir(LA)x(LB)y(LC)z,
where: x is 1 or 2; y is 1 or 2; z is 0 or 1; x+y+z=3; and LC is a monoanionic bidentate ligand. Also provided are formulations comprising these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.
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