Samsung Display Co., Ltd.

Electronics and Telecommunications Research Institute

Lg Electronics Inc.

Snu Rdb Foundation

Samsung Electronics Co., Ltd.

Seoul National University

Yonsei University

Sungkyunkwan University

Chung Ang University Industry Academic Cooperation

Hongik University Industry-academia Cooperation Foundation

Nic Lab Co., Ltd.

Hannam University Institute for Industry-academia Cooperation

Changhee Lee

Jaekook Ha

Dukki Kim

Jaehoon Kim

Sehun Kim

Hyunmi Doh

Sungwoon Kim

Wooram Shin

Myungsoo Huh

Taehun Kim

Young Jo Ko

Sooyoung Park

Jae Heung Kim

Jae Hong Park

Joonyong Park

Yunku Jung

Minki Nam

Jaehoon Lee

Hyein Jeong

Hyuneok Shin

Jaeyong Lee

Taewook Kang

Hyojin Ko

Cheollae Roh

Choelmin Jang

Hyunduck Cho

Minjae Park

BongJun Kim

Ok-Sun Park

Jung-Im Kim

Inkyu Lee

Gi Yoon Park

Jonghyuk Kang

Seokgyu Yoon

Jaehong Park

Juhyun Lee

Jaehun Jung

Yongtaek Hong

Ae-Soon Park

Cheulsoon Kim

Sung-Hyun Moon

Jungsu Lee

Jongwon Park

Hyojeong Kim

Yung Bin Chung

Yunhyuk Ko

Myoungjin Park

Junbo Sim

MinWoo Jeong

Sooho Lee

Sung-Min Oh

Jeong Hye Choi

Hyunkoo Lee

Jeongkyun Roh

Kwangsup Lee

Jae Hyun Oh

Byunghyuk Kwon

Junwoo Park

Kookheon Char

Jiyoon Kim

Sunghyun Moon

Hyun-Yong Hwang

Dawoon Jung

Hanvit Yang

Jaehoon Jung

Seungmook Lee

JaeSheung Shin

Wanki Bae

Seonghoon Lee

Jeong Hwan Lee

Dongjin Kang

Jongseok Han

Chihyun Ryoo

Jaehoon Lim

Yong Taek Hong

Youngil Kim

Jungho Jo

Jeongwoo Park

Samtae Jeong

Suhwan Lim

Byeongguk Jeong

Nambin Kim

Donggu Lee

Hyungseok Choi

Heesun Yang

Hyekyoung Choi

Jieon Kwon

Taesoo Kwon

Jiyun Song

Jeeyeon Heo

Sungjoo Kwon

Sinil Choi

Siyoung Song

Gyeongju Kim

Prabhakaran Prem

Jingoo Kang

Kyunghye Kim

Yoolguk Kim

Samki Kim

Disclosed are a light-emitting device and a method of manufacturing the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode and including a quantum dot including a first ligand bonded to a surface thereof; and a charge transport layer including an inorganic nanoparticle including a second ligand bonded to a surface thereof, wherein an interface between the emission layer and the charge transport layer includes a cross-link in which the first ligand on the surface of the quantum dot and the second ligand on the surface of the inorganic nanoparticle are linked by a cross-linking agent.

Light-emitting device and method of manufacturing the same

A quantum dot, a method of manufacturing the quantum dot, a composition including the quantum dot, an optical member including the quantum dot, and an electronic apparatus including the quantum dot are disclosed. The quantum dot includes: a nanomaterial; and a first ligand arranged on a surface of the nanomaterial, wherein the nanomaterial includes a core and a shell that covers at least a part of the core, wherein the first ligand includes a condensed polycyclic group in which two or more rings are condensed.

Quantum dot, method of preparing the quantum dot, composition including the quantum dot, optical member including the quantum dot, and electronic apparatus including the quantum dot

A display device includes a base layer, a first electrode on the base layer, a pixel-defining layer in which an opening exposing an upper surface of the first electrode is defined, a protective layer overlapping the pixel-defining layer and between the pixel-defining layer and the first electrode, a functional layer on the first electrode in the opening, an auxiliary electrode on an upper surface of the pixel-defining layer, and a second electrode on the functional layer and the auxiliary electrode.

Display device and method of providing the same

A light-emitting device includes: a first electrode; a second electrode; an interlayer between the first electrode and the second electrode and including an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the second electrode and the emission layer, wherein the first electrode is a multi-layered electrode including: a first layer including a first material, a second layer disposed on the first layer and including a second material, and a third layer between the second layer and the hole transport region and including a third material, wherein a first surface of the third layer contacts the second layer, and a second surface of the third layer facing the first surface directly contacts the hole transport region, and the third material has a work function of greater than about 4.8 eV and less than or equal to about 6.8 eV.

Light-emitting device comprising multi-layered electrode and electronic apparatus including the same

A method for data clustering performed in a computing device including one or more processors and a memory that stores one or more programs executed by the one or more processors according to an embodiment includes receiving two or more multivariate discrete time series data as input and generating an embedding vector for each of the multivariate discrete time series data using a first artificial neural network, generating a similarity graph by performing a path-based connectivity test between embedding vectors for each of the two or more multivariate discrete time series data, predicting a label distribution for embedding vectors for each of the two or more multivariate discrete time series data using a second artificial neural network, and clustering the two or more multivariate discrete time series data based on the similarity graph and the label distribution.

Apparatus and method for data clustering

According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound:A—B—C  Formula 1 wherein, in Formula 1, the variables are defined above.

Hole-transporting ink composition, light-emitting device, and method of preparing the light-emitting device

A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot and containing a polar solvent dissociative functional group, and a tail portion connected to the head portion. A quantum dot composition according to an embodiment is used to form an emission layer of a light emitting element to enhance luminous efficiency of the light emitting element including an emission layer formed through the quantum dot composition.

Method for manufacturing a light emitting element including a quantum dot composition

A semiconductor device includes a lower structure including a semiconductor substrate and circuit devices on the semiconductor substrate; a stack structure including interlayer insulating layers and gate electrodes alternating in a vertical direction; and a channel structure penetrating the stack structure. The channel structure includes a core insulating layer, a channel layer, a gate dielectric layer, and a channel pad. A portion of the channel pad overlaps an uppermost gate electrode among the gate electrodes in a horizontal direction. The channel pad includes a first pad layer and a second pad layer on the first pad layer. The second pad layer includes doped polysilicon that is doped with impurities and having N-type conductivity. The first pad layer includes at least one of an undoped polysilicon region and a doped polysilicon region having N-type conductivity and having an impurity concentration lower than an impurity concentration of the second pad layer.

Semiconductor devices and data storage systems including the same

A light-emitting device includes a first electrode, an emission layer, an electron transport layer, a metal-nucleation inducing layer, and a second electrode. The metal-nucleation inducing layer is in direct contact with the second electrode, and includes a metal-nucleation inducing material having at least one metal-nucleation inducing group. The second electrode includes a metal-containing film that is hybridized with the metal-nucleation inducing material. The metal-nucleation inducing group is a π electron-deficient nitrogen-containing C-Ccyclic group that is unsubstituted or substituted with at least one Ror a group represented by one of Formulae 1A to 1E, and does not comprise a group represented by *—C(═O)(OH) and a cyano group. The emission efficiency and/or lifespan of the light-emitting device may be improved because of the metal-nucleation inducing layer.

Light-emitting device and apparatus including the same

A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: Ais an anchoring group linked to the surface of the nanoparticle, and Amay be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

Quantum dot, and ink composition, light-emitting device, optical member, and apparatus including quantum dot

Provided are an ink composition, a light-emitting apparatus using the ink composition, and a method of manufacturing the light-emitting apparatus. The ink composition may include a light-emitting device, a solvent, and an organic thickener, and the organic thickener is a polymeric compound including at least one group represented by Formula 1:

Ink composition, light-emitting apparatus using ink composition, and method of manufacturing light-emitting apparatus

A display apparatus includes: a first unit pixel including a plurality of light-emitting diodes, and a second unit pixel including a plurality of light-emitting diodes and a photodetector diode. Each of the plurality of light-emitting diodes includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, and the photodetector diode includes a third electrode, a fourth electrode facing the third electrode, an active layer disposed between the third electrode and the fourth electrode, and a color filter layer disposed between the fourth electrode and the active layer.

Display apparatus

A quantum dot composition includes a quantum dot having a surface to which a ligand is bonded, and a photoacid generator. The quantum dot composition according to one or more embodiments may be applied to an emission layer of a light emitting element and a display device, thereby improving luminous efficiency of the light emitting element.

Quantum dot composition, light emitting element, and method for manufacturing the same

An ionic wind generator and an electronic device having a heat dissipation function using the same are proposed. The ionic wind generator includes a power module; a first electrode configured to receive power from the power module by being connected to the power module to become an emitter electrode; and a second electrode spaced apart from the first electrode and grounded and at the same time connected to the power module to become a counter electrode. In addition, the first electrode is configured as a carbon brush including multiple carbon fibers. Accordingly, in the ionic wind generator, the emitter electrode is configured as the carbon brush having multiple carbon fibers.

Ionic wind generator and electronic device having heat dissipation function using same

A quantum dot composition includes a quantum dot having a surface to which a ligand is bonded, and a thermal decomposition auxiliary compound. The quantum dot composition may be applied to an emission layer of a light emitting element and a display device, thereby improving luminous efficiency of the light emitting element and the display device.

Growing community of inventors

Seoul, South Korea

Changhee Lee