Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Osaka Gas Chemicals Co., Ltd.

Hiroko Endo

Hiroyuki Nishide

Fusaki Fujibayashi

Masahide Yamada

Takahiro Tago

Takuya Kitabatake

Eun Joo Jang

Hyo Sook Jang

Yukika Yamada

Atsuo Sonai

Tomoyuki Kikuchi

Keigo Furuta

Tae Ho Kim

Yuho Won

Dae Young Chung

Ha Il Kwon

Mitsunori Ito

Jun-Mo Yoo

Fumiaki Kato

Eigo Miyazaki

Takatoshi Seto

Naotoshi Suganuma

Nobuji Sakai

Soonmin Cha

Shinsuke Miyauchi

Kensuke Kubo

Takao Motoyama

Rie Yasuda

Akira Kambayashi

Atsuo Sonal

Teruyuki Okayasu

Takahiro Ishii

Motomi Noguch

Manabu Ono

Hiroaki Yoshida

Osamu Ieda

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 quantum dot ink composition including a plurality of quantum dots, and a mixed solvent including a Solvent a and a Solvent b, the ink composition having a surface tension of about 30 mN/m to about 40 mN/m, where Solvent a is a cycloalkane compound with at least one ring carbon having a linear C4 to C16 alkyl group, and Solvent b is an aromatic hydrocarbon compound having a linear C2 to C12 alkyl group. A quantum dot electroluminescent device including a light emitting layer formed from the quantum dot composition.

Quantum dot ink composition, and quantum dot electroluminescent device

A triazine ring-containing polymer having a high refractive index and a low birefringence, and being capable of being subjected to injection molding, wherein the polymer having a repeating unit of *-[A-B-]-*, including a structural unit A derived from a triazinedithiol compound, and a structural unit B including an aromatic hydrocarbon group; and a thermoplastic resin, a thermoplastic article, and an optical part including the polymer.

Triazine ring-containing polymer, and thermoplastic resin, article, and optical part including same

A toner for developing electrostatic images includes a binder, a colorant, iron, silicon, and sulfur. The colorant includes a phosphor and a non-fluorescent colorant. The phosphor includes either one or both of a nitride and an oxynitride each including an alkaline-earth metal, silicon, and an activator element. A volume average particle diameter of the phosphor is greater than or equal to about 50 nm and less than or equal to about 400 nm. An internal quantum efficiency of the phosphor at an excitation wavelength of 450 nm is greater than or equal to about 60%.

Toners for developing electrostatic images and production method thereof

A phosphor includes a nitride including an alkaline-earth metal element, silicon, and an activator element, wherein the phosphor has a volume average particle diameter ranging from about 50 nm to about 400 nm, and an internal quantum efficiency of greater than or equal to about 60% at an excitation wavelength of 450 nm, the phosphor is represented by a formula MSiN, the M includes one or more alkaline-earth metal element selected from Ca, Sr, Ba, and Mg and including at least Sr, and one or more activator element selected from Eu and Ce and including at least Eu, an amount of the Sr included in the phosphor is about 15 mol % to about 99 mol % based on total moles of the M, and an amount of the activator element included in the phosphor is about 1 mol % to 20 mol % based on the total moles of the M.

Phosphor and method for manufacturing the same

Disclosed is a phosphor including at least one of a nitride and an oxynitride, wherein the nitride and the oxynitride contain an alkaline-earth metal element, silicon, and an activator element. wherein the phosphor has a volume average particle diameter of greater than or equal to about 50 nm and less than or equal to about 400 nm and an inner quantum efficiency of greater than or equal to about 60% at an excitation wavelength of about 450 nm. The method of preparing a phosphor includes a precursor preparation process of preparing a phosphor precursor particles including a silicon nitride particles, a compound containing an alkaline-earth metal element, and a compound containing an activator element, wherein the compound containing an alkaline-earth metal element and the compound containing an activator element are deposited on the surface of the silicon nitride particles; and a firing process of firing the phosphor precursor particles.

Semiconductor package with improved signal stability and method of manufacturing the same

A proton conductive polymer electrolyte includes an acidic functional group-containing aromatic hydrocarbon polymer and an electron donor functional group-containing compound. When used in a fuel cell, the proton conductive polymer electrolyte provides a long-term stable power generating performance at an operating temperature from 100&#xb0; C. to 200&#xb0; C. in non-humidified conditions or a relative humidity of 50% or less.

Proton conductive polymer electrolyte and fuel cell including the same

The present teachings encompass proton-conductive material comprising a new polymer compound. A proton-conductive electrolyte comprising the proton-conductive material, and a fuel cell comprising the proton-conductive electrolyte are disclosed. A proton-conductive material comprising poly(phosphophenylene oxide) that comprises polyphenylene oxide as the main chain, and at least one phosphonic acid group as a side chain of the main chain, a proton-conductive electrolyte comprising the proton-conductive material, and a fuel cell employing the proton-conductive electrolyte, are also disclosed.

Proton-conductive material, proton-conductive electrolyte for fuel cell comprising the material and fuel cell employing the electrolyte

Aspects of the present invention provide a proton conductive electrolyte suitable for a fuel cell material and a fuel cell including the proton conductive electrolyte. More particularly, aspects of the present invention provide a proton conductive electrolyte that has good proton conductivity and can be used to form a membrane having good flexibility. As a result, the proton conductive electrolyte can be used in a fuel cell, the electrolyte membrane of a fuel cell or the electrodes thereof, and can provide a solid polymer fuel cell having high current density, high power and long life-time in a dry environment (relative humidity of 50% or less) at an operating temperature of 100 to 200&#xb0; C.

Proton conductive electrolyte and fuel cell comprising the same

A solid polymer electrolyte for a fuel cell has high proton conductivity, large heat resistance, an excellent mechanical strength. A fuel cell may include such solid polymer electrolyte. The solid polymer electrolyte for a fuel cell includes a proton conductive resin with side chains R, R, R, and Rthat are bonded to an aromatic polyurea resin backbone.

Solid polymer electrolyte for fuel cell and fuel cell containing the same

Growing community of inventors

Yokohama, Japan

Hiroko Endo