Lichtemittierende Vorrichtung, Anzeigevorrichtung und Elektronische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4783797

Anmeldetag

7. Januar 2026

Veröffentlichung

29. Juli 2026

Rechtsraum

EP

Abstract

A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes a first stack, a second stack, and a charge-generation layer between the first stack and the second stack, the first stack includes a first emission layer and a first hole transport region, the second stack includes a second emission layer and a second hole transport region, the first emission layer includes a first hole-transporting host, a first electron-transporting host, a first sensitizer, and a first thermally activated delayed fluorescence emitter, the second emission layer includes a second hole-transporting host, a second electron-transporting host, a second sensitizer, and a second thermally activated delayed fluorescence emitter, and the light-emitting device satisfies at least one of Condition 1 and Condition 2. Descriptions of Condition 1 and Condition 2 are provided in the detailed description.

Anmelder

Firma

Samsung Display Co., Ltd.

Land

🇰🇷 Südkorea