Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Solus Advanced Materials Co., Ltd.

Jaehoon Hwang

Jihwan Yoon

Seulong Kim

Jimyoung Ye

Byeongwook Yoo

Myeongsuk Kim

Hajin Song

Pilgu Kang

Soobyung Ko

Taekyung Kim

Jiyoung Kwon

Soonchul Chang

Hyoyeon Kim

Yiseul Kim

Jaeyong Lee

Dongchan Kim

Minkyung Kim

Hyunshik Lee

Namsu Kang

Dongseob Jeong

Hyekyun Lee

Yangjin Cho

Jin Woo Kim

Taehyung Kim

Jaehoon Lee

Jaeyoung Lee

Jiyoung Moon

Jungho Choi

Hakchoong Lee

Heungsu Park

Yoonseok Ka

Myoungki Kim

Dongkyu Lee

Jin Yeong Kim

Sangwoo Pyo

Sangwoo Lee

Soo-byung Ko

Sunwoo Kang

Jongwon Lee

Jun Ho Hwang

Seho Lee

Heunseung Lee

Hocheol Park

Minsik Eum

Songie Han

Hojun Son

Hojun Lee

Jinwoong Kim

Jaesung Lim

Seongjong Kang

Soo-Byung Ko

Hyobum Song

Hoemoon Kim

Daeyong Yoon

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

Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer, the emission layer includes a host, a first dopant, and a second dopant, the host, the first dopant, and the second dopant are different from each other, the host includes a compound represented by Formula 1 below, and the light-emitting device satisfies Relationship Equation 1: ()≥(2)≥()≥(1)≥(2)  [Relationship Equation 1] Formula 1 and Relationship Equation 1 are as described in the specification.

Light-emitting device and electronic apparatus including the 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.

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

Provided are an organic light-emitting device having improved luminescent efficiency and a compound.

Organic light-emitting device and compound

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

An organic light-emitting device includes: a first electrode; a second electrode; m emission units; and m−1 charge generation layer(s), each including an n-type charge generation layer and a p-type charge generation layer and being located between two emission units. The m emission units each include a hole transport region, an electron transport region, and an emission layer between the hole transport region and the electron transport region. An melectron region included in an memission layer that is closest among the m emission units to the second electrode includes an melectron transport layer. The melectron transport layer is a single layer consisting of a first compound, the memission layer included in the memission unit includes a second compound, and the melectron transport layer and the memission layer may be different from each other.

Organic light-emitting device and 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.

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

Provided are an organic-light-emitting device and a display apparatus including the same. 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 and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE) of the first compound is larger than a triplet energy (T) of the host, and a minimum bond dissociation energy (BDE) of the host is larger than the triplet energy (T) of the host.

Organic light-emitting device and display apparatus including the same

The present application relates to an organic light-emitting device and a flat display apparatus including the same. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of m between the first electrode and the second electrode; and charge generation layers in the number of m−1 respectively between each pair of adjacent light-emitting units among the light-emitting units in the number of m, each charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 3 or more, the light-emitting units in the number of m each include a hole transport region, an emission layer, and an electron transport region, which are sequentially stacked, electron transport regions in the number of m included in the light-emitting units in the number of m each include an electron transport material, and an electron transport material included in at least one electron transport region among the electron transport regions in the number of m is different from an electron transport material included in at least one electron transport region among the other electron transport regions.

Organic light-emitting device and flat display 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

Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. The organometallic compound has the structure M(L)(L), wherein M is a transition metal, L1 is a ligand represented by the following structure: wherein n1 is 1, 2, or 3, and when n1 is two or more, two or more L(s) are identical to or different from each other, Lis an organic ligand, and n2 is 0, 1, or 2, and when n2 is two or more, two or more L(s) are identical to or different from each other. The sum of n1 and n2 is 2 or 3. More details about Formula 2 is provided in the disclosure.

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

An 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; and at least one heterocyclic compound represented by Formula 1: The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

Organic compound containing heterocyclic ring and having low lumo properties, and organic electroluminescent device using the same

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Yongin-si, South Korea

Jaehoon Hwang