Organische Elektrolumineszente Materialien und Vorrichtungen

Details

Veröffentlichungs-Nr.

EP4714962

Anmeldetag

30. Juli 2025

Veröffentlichung

25. März 2026

Rechtsraum

EP

IPC

(CAI WEI et al.)

Abstract

A compound having a first ligand L<A> with a structure of Formula I <img class="EMIRef" id="07fb7fb3-8c99-462d-8896-76eac3eb6d44-ia01" /> where two consecutive ones of X<1> to X<8> are C and are joined to a structure of Formula II, <img class="EMIRef" id="07fb7fb3-8c99-462d-8896-76eac3eb6d44-ia02" /> is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; each of Z<1> to Z<2> and X<1> to X<12> is C or N; each of Y<1> and Y<2> is a linker; K is a direct bond or a linker; each substituent is hydrogen or a General Substituent defined herein; and L<A> is coordinated to a metal M. Also provided is a compound having a formula Ir(L<A*>)<x>(L<B*>)<y>(L<C*>)<z> as defined herein. Formulations, OLEDs, and consumer products containing these compounds are further provided.

Anmelder

Firma

Universal Display Corporation

Land

🇺🇸 USA