Samsung Electronics Co., Ltd.

Nissan Motor Company Limited

Dic Corporation

Fumiaki Kato

Takahiro Fujiyama

Masashi Tsuji

Yusaku Konishi

Dae Young Chung

Takao Motoyama

Keigo Furuta

Ha Il Kwon

Tae Ho Kim

Naotoshi Suganuma

Soonmin Cha

Eun Joo Jang

Mitsunori Ito

Junichiro Matsumoto

Norihito Ishii

Hyo Sook Jang

Haruhiko Iizuka

Satoshi Inayama

Katsunori Shibata

Tomoyuki Kikuchi

Kiyohiko Tsutsumi

Fukashi Sugasawa

Yuho Won

Won Sik Yoon

Jaejun Chang

Masaki Numata

Hiroko Endo

Eiji Otsuki

Furuta Keigo

Fujiyama Takahiro

Masanori Wakita

Haruhiko Itzuka

Provided is a compound represented by Chemical Formula 1 capable of manufacturing an EL device by inkjet printing. In Chemical Formula 1,

Compounds, liquid compositions including compounds, and electroluminescent devices

A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.

Copolymer, electroluminescence device material including copolymer, and electroluminescence device

Disclosed is a copolymer including a structural unit represented by Chemical Formula 1 capable of improving performance (particularly durability) of an electroluminescent device.

Copolymer, electroluminescent device material including copolymer, and electroluminescent device

A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R, R, R, X, X, and Arare as provided herein.

A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.

Quantum dot electroluminescence device

An arylamine-fluorene alternating copolymer having a structural unit (A) is represented by Chemical Formula (1): wherein Chemical Formula (1) is the same as described in the detailed description.

Arylamine-fluorene alternating copolymer, electroluminescence device material, and electroluminescence device using the polymer

A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device. In Chemical Formula 1, the definition of each substituent is as described in the detailed description.

A polymer material includes a segment of an alternating copolymer of a structural unit of a specific structure and has a glass transition temperature of greater than or equal to about 50&#xb0; C. and less than or equal to about 250&#xb0; C. The polymer material is capable of improving luminescence life-span of an electroluminescence device, particularly a quantum dot light emitting device.

Polymer material, material for electroluminescence device, liquid composition, thin film, and electroluminescence device

An electroluminescent device with an improved luminous efficiency. The device includes a light emitting layer with an arylamine polymer including a structural unit (A) represented by Chemical Formula (1). 

Arylamine polymer including silicone, and electroluminescence device material and electroluminescence device using the polymer

An ink composition for an organic light-emitting device, the ink composition including a luminescent host material and a solvent, wherein the luminescent host material includes at least one compound represented by Formula (1) and Formula (3), and wherein the solvent includes at least one selected from an aromatic ether, an aromatic ester, and an aromatic ketone: wherein, in Formulas (1) and (3), groups and variables are the same as described in the specification.

Ink composition for organic light-emitting device, organic light-emitting device including film formed by using the ink composition, and method of manufacturing the organic light-emitting device

A polymer material includes a structural unit represented by Chemical Formula 1X&#x2014;Y&#x2003;&#x2003;Chemical Formula 1 wherein, in Chemical Formula 1, X and Y are as defined herein.

Polymer material, material for electroluminescence device, composition, thin film, and electroluminescence device comprising the same

A condensed cyclic compound represented by Formula (1): 

Condensed cyclic compound, composition including the condensed cyclic compound, organic light-emitting device including the condensed cyclic compound, and method of manufacturing the organic light-emitting device

A charge-transporting material including Structural Unit (1) represented by one of Formulae 1 and 2; and Structural Unit (2) represented by one of Formulae 3 and 4: 

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Yokohama, Japan

Fumiaki Kato