公开(公告)号：US20250127030A1

公开(公告)日：2025-04-17

申请号：US18982031

申请日：2024-12-16

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： CHUN LIN ,  PETER B. MACKENZIE ,  ROBERT W. WALTERS ,  JUI-YI TSAI ,  CORY S. BROWN ,  JUN DENG

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/826 ,  H10K101/10 ,  H10K102/00 ,  H10K102/10

Abstract: Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. An organic light emitting device, comprising: an anode, a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; and electron transport layer, and a cathode disposed, in that order, over a substrate.

公开(公告)号：US20220328774A1

公开(公告)日：2022-10-13

申请号：US17848157

申请日：2022-06-23

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： CHUN LIN ,  PETER B. MACKENZIE ,  ROBERT W. WALTERS ,  JUI-YI TSAI ,  CORY S. BROWN ,  JUN DENG

IPC: H01L51/00 ,  C09K11/06 ,  C07F15/00

Abstract: Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. An organic light emitting device, comprising: an anode, a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer, and electron transport layer, and a cathode disposed, in that order, over a substrate.