Invention Grant
- Patent Title: Host materials for electroluminescent devices
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Application No.: US18330650Application Date: 2023-06-07
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Publication No.: US12108668B2Publication Date: 2024-10-01
- Inventor: Vadim Adamovich , Bin Ma , Pierre-Luc T. Boudreault
- Applicant: UNIVERSAL DISPLAY CORPORATION
- Applicant Address: US NJ Ewing
- Assignee: UNIVERSAL DISPLAY CORPORATION
- Current Assignee: UNIVERSAL DISPLAY CORPORATION
- Current Assignee Address: US NJ Ewing
- Agency: Duane Morris LLP
- Main IPC: H01L51/50
- IPC: H01L51/50 ; C07D487/04 ; C07F15/00 ; C09K11/06 ; H10K50/11 ; H10K85/30 ; H10K85/60 ; H10K50/15 ; H10K50/16 ; H10K50/17 ; H10K50/81 ; H10K50/82 ; H10K50/84 ; H10K71/00 ; H10K101/00 ; H10K101/10 ; H10K101/30 ; H10K101/40 ; H10K102/00 ; H10K102/10
Abstract:
A composition is disclosed that includes a first compound capable of functioning as a host in an emissive layer of an OLED at room temperature; and a second compound that includes a ligand LA of Formula III
where ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; where R represents two adjacent substituents that are joined together to form a ring that is fused to ring B, and R has a structure of Formula IV
or Formula V
disclosed herein.
where ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; where R represents two adjacent substituents that are joined together to form a ring that is fused to ring B, and R has a structure of Formula IV
or Formula V
disclosed herein.
Public/Granted literature
- US20230320210A1 HOST MATERIALS FOR ELECTROLUMINESCENT DEVICES Public/Granted day:2023-10-05
Information query
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