Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Solus Advanced Materials Co., Ltd.

Jihwan Yoon

Sangwoo Pyo

Hajin Song

Jaehoon Hwang

Dongchan Kim

Jiyoung Moon

Hakchoong Lee

Byeongwook Yoo

Sangwoo Lee

Yoonhyeung Cho

Jihye Lee

Jimyoung Ye

Haemyeong Lee

Heechang Yoon

Myungsuk Han

Seulong Kim

Myeongsuk Kim

Hyoyeon Kim

Heunseung Lee

Wonsuk Han

Ilsoo Oh

Pyungeun Jeon

Jehong Choi

Chulsoon Lee

Yoonseok Ka

Jihye Shim

Donghui Lee

Yoonmo Song

Changmin Lee

Jiyoung Kwon

Dongseob Jeong

Hyekyun Lee

Chang-Ho Lee

Youngkook Kim

Soobyung Ko

Taehyung Kim

Jaehoon Lee

Jonghyuk Lee

Chang-Min Lee

Bora Lee

Soo-byung Ko

Kyul Han

Sunwoo Kang

Daeyup Shin

Jungho Choi

Namsu Kang

Pilgu Kang

Seho Lee

Heungsu Park

Hojun Lee

Minsik Eum

Hocheol Park

Sungjin Choi

Hyunju Choi

Bumsuk Lee

Ji-hye Shim

Hojun Son

Yangjin Cho

JinYoung Yun

Jinwoong Kim

Soo-Byung Ko

Hyobum Song

Provided are a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The heterocyclic compound is represented by Formula 1, which is explained in the specification. The light-emitting device is capable of maintaining efficiency and color expression at constant levels.

Heterocyclic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device

A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers each between two neighboring emission units from among the m emission units, wherein m is an integer of 2 or more, at least one of the m emission units includes an inorganic mixed layer between the first electrode and the emission layer, and the inorganic mixed layer includes an inorganic insulating material and an inorganic semiconductor material.

Light-emitting device including inorganic mixed layer and electronic apparatus including the same

A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

Light-emitting device and apparatus including same

A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×10S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×10S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

Light-emitting device and electronic apparatus including the same

A display apparatus includes a first electrode on a substrate, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the second electrode includes a first conductive layer including a first base metal and a first additive metal that is different from the first base metal, a second conductive layer on the first conductive layer and including a single metal material, and a third conductive layer on the second conductive layer and including a second base metal and a second additive metal that is different from the second base metal.

Multilayer electrode, light-emitting diode including the same, and display apparatus

A light emitting device includes: a first electrode; a hole transport region disposed on the first electrode; a first emission layer disposed on the hole transport region, and which emits light of a first wavelength; a second emission layer disposed on the hole transport region, and which emits light of a second wavelength different from the first wavelength; an electron transport region disposed on the first emission layer and the second emission layer; a second electrode disposed on the electron transport region; and a capping layer disposed on the second electrode. In exit light emitted to an upper surface of the capping layer, the exit light has a maximum intensity at an azimuth angle of about 25° to about 35°.

Light emitting device and display apparatus including the same

A light emitting devices includes a first electrode, a hole transport region on the first electrode, a first emission layer on the hole transport region, the first emission layer to emit light of a first wavelength, a second emission layer on the hole transport region and to emit light of a second wavelength, an electron transport region on the first and second emission layers, and a second electrode on the electron transport region. The first emission layer includes a first sub-emission layer including a first hole transport host and a first sub-dopant to emit the light of the first wavelength, and a second sub-emission layer including a first electron transport and a second sub-dopant to emit the light of the first wavelength. The second emission layer includes a second hole transport host, a second electron transport host, and a second dopant to emit the light of the second wavelength.

An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

Organic light-emitting device

A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

Display device and method of manufacturing the same

A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m-1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m-1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.

Light-emitting device and apparatus including the same

An organic light-emitting device and a heterocyclic compound, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a compound represented by Formula 1A or a compound represented by Formula 1B:

Heterocyclic compound and organic light-emitting device including the same

A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m&#x2212;1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m&#x2212;1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.

Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and an organic 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; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1.

Organometallic compound, organic light-emitting device including the organometallic compound, and organic light-emitting apparatus including the organic light-emitting device

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Yongin-si, South Korea

Jihwan Yoon