Samsung Display Co., Ltd.

Lg Electronics Inc.

Hyojin Ko

Jaekook Ha

Dukki Kim

Changhee Lee

Sehun Kim

Yunku Jung

Jaehoon Kim

Hyunmi Doh

Junbo Sim

Minji Kim

Sangik Lee

Donghyun Kim

Jeongyun Kim

Sanghun Bae

Seungmook Lee

Dosun Kim

Seungsuk Oh

JunBo Sim

Kyeonghwan Kim

Jonghyuk Kang

Seung-Suk Oh

Seungphyo Ahn

Jin Il Hong

Jaehoon Jung

Heunggyu Kim

Taegyu Jin

Jin Hong

YunHyuk Ko

Hyounguk Nam

Hyoung Uk Nam

Youngil Kim

Juyon Lee

Junyoung Song

Yongcheol Jin

Wonjun Park

Jaekwang Nam

Yeon Soo Lee

A method of forming a hole injection layer, a hole injection layer ink composition, and a light-emitting device manufactured by using the hole injection layer ink composition.

Method of forming hole injection layer, hole injection layer ink composition, and light-emitting device manufactured by using hole injection layer ink composition

An ink composition for forming an electron transport region in a light emitting element includes inorganic nanoparticles and a first solvent having a Hansen solubility parameter hydrogen bonding term (δH) value of 5 or less in order to increase dispersion stability of the inorganic nanoparticles, and thereby prevent or reduce nozzle clogging in the head of an inkjet printing device.

Ink composition and method for manufacturing light emitting element

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 planetary gear assembly includes a carrier shaft supported on a drum shaft by a first fastening member; a coupling shaft including a first shaft portion in the carrier shaft and a first flange portion fixed to the carrier shaft by a second fastening member, a carrier including a second shaft portion in the first shaft portion and a second flange portion positioned at a back side of the first flange portion of the coupling shaft, a sun gear supported on the coupling shaft and supported on a rotor frame by a third fastening member, pinion gears coupled to the second flange portion and tooth-coupled with the sun gear, a ring gear tooth-coupled with the pinion gears, and a gear housing accommodating the sun gear, the pinion gears, and the ring gear.

Washing machine driving system and a washing machine with the same

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 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

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.

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, a connecting portion connected to the head portion and including a metal, and a tail portion coordinated to the metal of the connecting portion. The quantum dot composition according to the present embodiments is used to form an emission layer of a light emitting element, and may thus increase service life and luminous efficiency of the light emitting element including the emission layer formed using the quantum dot composition.

Quantum dot composition including a quantum dot, and a ligand having a head portion, a connecting portion including a metal, and a tail portion

Quantum dot composition including a ligand bonded to a surface of a quantum dot, light emitting element including an emission layer containing a quantum dot and ligand residues, and method for manufacturing the same

A light emitting element includes: a member including a semiconductor layer and an active layer; and at least one ligand bonded to a surface of the member; wherein the at least one ligand includes: a first ligand including two or more functional group chains; and a second ligand having a shorter carbon length than the first ligand.

Ligand for surface modification, light emitting element including the same, and method for manufacturing display device

A method for manufacturing a light emitting element includes: forming a first electrode; forming a hole transport region on a first electrode; forming an emission layer on the hole transport region; forming an electron transport region on the emission layer; and forming a second electrode on the electron transport region, wherein the forming of the emission layer includes providing a quantum dot composition containing a quantum dot and a ligand bonded to a surface of the quantum dot, to form a preliminary emission layer; and increasing the layer density of the preliminary emission layer by about 5% or greater, thereby improving a luminous efficiency of the light emitting element.

Method for manufacturing light emitting element including quantum dot in an emission layer

A driving device for a washing machine includes: a shaft including an inner shaft and an outer shaft surrounding the inner shaft; a motor assembly including a stator, a rotor that surrounds the stator, a modulator that surrounds the rotor, and a magnetic gear rotating body that surrounds the modulator; a first fixation body that connects between the inner shaft and the magnetic gear rotating body; a second fixation body having one end connected to the stator and the other end connected to a tub; and an electronic clutch that disconnects the outer shat and the rotor or connects the inner shaft and the rotor according to an operation mode of the washing machine. The modulator adjusts a speed and torque of the magnetic gear rotating body. The driving device may make a motor drive area highly efficient and may reduce electric consumption.

Driving device for washing machine

An inkjet composition for an inkjet printer, a light-emitting device including the same, and a method of manufacturing the light-emitting device are provided. The ink composition may include light-emitting diodes and a solvent. The solvent may have a first viscosity at a first temperature section that may be greater than a second viscosity at a second temperature section. The solvent may include an ester compound of citric acid, glycol, alkanediol, alkanolamine, alkenic acid, alkenol, a pyrrolidone group-containing compound, glycerol, a compound represented by Formula 1, a compound represented by Formula 2, or any combination thereof: Substituents in Formula 1 and Formula 2 may be understood as described in connection with the detailed description. Each of the light-emitting diodes may have a size in a range of about 0.1 &#x3bc;m to about 10 &#x3bc;m.

Ink composition, light-emitting device including the same, and method of preparing the light-emitting device

The present invention relates to an electronic braked-integrated in-wheel motor driving device. According to one embodiment of the present invention, an apparently complicated driving device structure, which is formed due to the installation of a brake, can be avoided, and a product appearance of a wheel-chair, to which the in-wheel motor driving device is applied, can be simplified, whereby the driving device improves the visual appearance as well as the brake function and can thus enhance production competitiveness.

Growing community of inventors

Seoul, South Korea

Hyojin Ko