Samsung Display Co., Ltd.

Soungwook Kim

Seulong Kim

Jaeweon Hur

Hyein Jeong

Sungsoo Bae

Hyewon Choi

Tsuyoshi Naijo

Jaejin Lyu

Seokgyu Yoon

Eungdo Kim

Kyungsik Kim

Kunwook Cho

Hyeongu Cho

Jungmin Kang

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a capping layer disposed on the second electrode, wherein the interlayer further includes an electron transport region between the emission layer and the second electrode, the capping layer includes at least one first material represented by Formula 1 or Formula 2, and the electron transport region satisfies at least one of Condition (1) and Condition (2), as defined herein.

Light-emitting device and an electronic apparatus including the same

An organic light-emitting device includes a condensed cyclic compound represented by Formula 1: The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEand may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.

Condensed cyclic compound and organic light emitting device comprising same

A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.

Light-emitting device having low driving voltage, high luminescence efficiency, and long life span, and electronic apparatus including same

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

Light-emitting device and an electronic device including the same

Provided are an organic light-emitting device including a capping layer including an amine-based compound represented by a set or predetermined formula and a radical scavenger, and a light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer a capping layer on the second electrode, wherein the capping layer includes the amine-based compound.

Organic light-emitting device and light-emitting apparatus including the same

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Yongin-si, South Korea

Soungwook Kim