Samsung Display Co., Ltd.

Hyunyoung Kim

Jiyoung Lee

Hyosup Shin

Jungsub Lee

Hyojeong Kim

Minje Kim

Seokgyu Yoon

Hyejin Jung

Kunwook Cho

Minsoo Choi

Youngeun Choi

Youngki Lee

Jiyoun Lee

Jaejin Lyu

Eungdo Kim

Hyeongu Cho

Hyein Jeong

Jong-Ryuk Park

Dohoon Kim

Rohyeon Park

Tsuyoshi Naijo

Eung Do Kim

Hyeon Gu Cho

Changwook Kang

Il-Joo Kim

Jung-Hyun Cho

Gyeongnam Bang

Wangwoo Lee

Yong-Hwan Kim

Youngbae Jung

Hyungjun Lim

Gunwoo Ko

Kwangsik Lee

Taekon Kim

Dongyoun Yoo

Jongryuk Park

Toshiyuki Matsuura

Makoto Yamamoto

Sunbeom Kwon

Kyuree Kim

Insuk Yang

Jong-ryuk Park

A light-emitting device including a heterocyclic compound represented by Formula 1 and a phosphorescent dopant, and an electronic apparatus including the light-emitting device are provided. Formula 1 is the same as described in the present specification. The 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 the heterocyclic compound represented by Formula 1

Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device

An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction.

Organic light-emitting display apparatus

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.

Organic electroluminescence device

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode and including an emission layer; and an electron transport region located between the emission layer and the second electrode and including: a hole blocking layer; and an electron transport layer, an electron injection layer, or any combination thereof, wherein the emission layer includes a first host, a second host, a first dopant, and a second dopant, and the electron transport region includes a layer including a red dopant compound.

Light-emitting device and an electronic apparatus including same

A light-emitting device and an electronic apparatus including the same are provided.

Light-emitting device and electronic apparatus including the same

An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4: Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.

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 and including an emission layer. The emission layer may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.

Light-emitting device and electronic apparatus including same

A display apparatus includes: a substrate including a first area, a second area, and a third area; a display element on the substrate; a thin-film encapsulation layer covering the display element; a first dam portion at the third area, the first dam portion being adjacent to the second area; a second dam portion at the third area, and spaced from the first dam portion; and at least one groove at the third area.

Display apparatus including groove between dams

A manufacturing method of a display device includes providing a first organic layer in a display area and a non-display area, to cover a pixel electrode and a pad electrode, respectively, providing a first electrode of a light emitting element, in the display area, the first organic layer being between the pixel electrode and the first electrode, after forming the first electrode, removing a portion of the first organic layer which is in the non-display area, to expose the pad electrode from the first organic layer; and providing a light emitting layer of the light emitting element, corresponding to the first electrode.

Display device including galvanic reaction-patterned electrodes, and method of manufacturing the same

A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

Organic light-emitting device and apparatus including the same

A display device includes a display panel including a hole area, a display area around the hole area, and a non-display area around the display area, a first-first insulating layer disposed in the hole area, sensing electrodes disposed on the display area, a crack detection pattern disposed on the first-first insulating layer in the hole area, a crack detection line disposed on the non-display area, and a connection pattern disposed in a first sensing electrode of the sensing electrodes disposed on the display area to be insulated from the sensing electrodes, and connected to the crack detection pattern and the crack detection line, the first sensing electrode being disposed between the hole area and the non-display area. An edge of the first-first insulating layer disposed at a boundary between the display area and the hole area has a step structure of at least two steps.

Display device

A display device includes a display layer including an active area including a plurality of pixel areas, and a peripheral area adjacent to the active area, an insulating layer disposed on the display layer, the insulating layer including at least one first opening overlapping the plurality of pixel areas, and at least one second opening in the peripheral area, a refractive index layer disposed on the insulating layer, having a refractive index greater than a refractive index of the insulating layer, and spaced apart from the at least one second opening, and a polarizing layer overlapping the refractive index layer. At least a portion of the polarizing layer overlaps the at least one second opening.

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

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Yongin-si, South Korea

Hyunyoung Kim