Organische Elektrolumineszente Materialien und Vorrichtungen

Details

Veröffentlichungs-Nr.

EP4362631

Aktenzeichen

EP23206070

Anmeldetag

26. Oktober 2023

Veröffentlichung

8. Mai 2024

Rechtsraum

EP

IPC

H10K50/12H10K59/35// H10K101/20H10K101/00

Abstract

Provided is an organic light emitting device (OLED) comprising: an anode; a cathode; and an emissive region disposed between the anode and the cathode; wherein the emissive region comprises: a compound S1; a compound A1; a compound S2; and a compound A2; wherein the compound S1 is a sensitizer that transfers energy to the compound A1; and the compound S2 is a sensitizer that transfers energy to the compound A2; wherein each of the compound A1 and A2 is independently an acceptor that is an emitter; wherein the compound S1 can be same or different from the compound S2; wherein the compound A1 can be same or different from the compound A2; and wherein at least one of the following conditions is true: (1) the compound S1 is different from the compound S2; (2) the compound A1 is different from the compound A2. Also provided are related formulations, related premixed co-evaporation sources, related comsumer products and related method of making those OLED devices.

Anmelder

Firma

Universal Display Corporation

Land

🇺🇸 USA

Fachgebiete