Samsung Electronics Co., Ltd.

Takao Motoyama

Fumiaki Kato

Yusaku Konishi

Takahiro Fujiyama

Masashi Tsuji

Keigo Furuta

Eun Joo Jang

Tae Ho Kim

Dae Young Chung

Mitsunori Ito

Kiyohiko Tsutsumi

Kyung Bae Park

Hyo Sook Jang

Taehyung Kim

Yuho Won

Won Sik Yoon

Takkyun Ro

Jaejun Chang

Ha Il Kwon

Ryuichi Satoh

Chui Joon Heo

Daeyoung Chung

Keisuke Korai

Yeon-Hee Kim

Eunjoo Jang

Tomoyuki Kikuchi

Fujiyama Takahiro

Furuta Keigo

Se Hyuck Park

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.

Copolymer, electroluminescence device material including copolymer, and electroluminescence device

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 electronic device includes a plurality of pixel electrodes, an active layer on the plurality of pixel electrodes, an opposed electrode on the active layer and covering an entirety of an upper surface of the active layer, and a first encapsulation film on the opposed electrode wherein the opposed electrode and the first encapsulation film have a common planar shapes.

Electronic devices and methods of manufacturing the same

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

Provided are a polymer, a composition including the polymer, and an organic light-emitting device including the polymer.

Polymer, composition including the polymer, and organic light-emitting device including the polymer

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Hwaseong-si, South Korea

Takao Motoyama