公开(公告)号：US20250092308A1

公开(公告)日：2025-03-20

申请号：US18797856

申请日：2024-08-08

Applicant: Universal Display Corporation

Inventor： Hsiao-Fan CHEN ,  Rasha HAMZE ,  Wystan Neil PALMER ,  Huong NGUYEN ,  Jason DENNY ,  Hai T. LE

IPC: C09K11/06 ,  H10K50/11 ,  H10K85/30 ,  H10K101/20

Abstract: A compound having a first ligand LA of Formula I, is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of Z1 and Z2 is C or N; K is a direct bond or a linking group; R* includes a moiety selected from an electron-withdrawing group, heteroaryl, BRR′, SiRR′R″, GeRR′R″, OR, SR, SeR, PRR′, PRR′R″, AsRR′, AsRR′R″, or a combination thereof; each R, R′, R″, R*, Rα, Rβ, RA, and RB is a hydrogen or a General Substituent defined herein; LA is coordinated to a metal M having an atomic mass of at least 40; and any two substituents may be joined or fused to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.

公开(公告)号：US20240251657A1

公开(公告)日：2024-07-25

申请号：US18509317

申请日：2023-11-15

Applicant: UNIVERSAL DISPLAY CORPORATION

Inventor： Hsiao-Fan CHEN ,  Scott BEERS ,  Tongxiang LU ,  Joseph A. MACOR ,  Thrimurtulu NEETIPALLI ,  Hai T. Le ,  Jason DENNY

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11

Abstract: Provided are neutral Pt or Pd compounds comprising a tridentate and a monodentate ligand, wherein the tridentate ligand comprises at least three 5- or 6-membered rings. Also provided are formulations comprising these neutral Pt or Pd compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these neutral Pt or Pd compounds.