Hitachi Chemical Company, Ltd.

Maxdem Incorporated

Yousuke Hoshi

Shigeaki Funyuu

Yoshii Morishita

Daisuke Ryuzaki

Kenichi Ishitsuka

Shigeru Nobe

Satoyuki Nomura

Naoyuki Koyama

Farshad J Motamedi

Yoshihiro Tsuda

Li-Sheng Wang

Seiji Tai

Takeo Tomiyama

Akihiro Yoshida

Tetsuya Okazaki

Youichi Kimura

Tomohiro Iwano

Masato Fukasawa

Kazuhiro Enomoto

Matthew L Marrocco

Takenori Narita

Tadahiro Kimura

Munehiro Oota

Kanshi Chinone

Eiichi Satou

Masanobu Habiro

Provided are: an organic electronic material which can be easily multilayered and that can be used in substrates, such as resin, that cannot be processed at high temperatures; an ink composition containing the same; an organic thin film formed using said organic electronic material or said ink composition; and an organic electronic element and an organic EL element that are formed using said organic thin film and that have a superior luminous efficacy and emission lifespan than conventional elements. Specifically, provided are: an organic electronic material that is characterized by containing an oligomer or a polymer having a structure that branches into three or more directions and has at least one polymerizable substituent; an ink composition containing said organic electronic material; and an organic thin film prepared using the aforementioned organic electronic material. Further, provided are an organic electronic element and an organic electroluminescent element containing said organic thin film.

Organic electronic material, ink composition containing same, and organic thin film, organic electronic element, organic eletroluminescent element, lighting device, and display device formed therewith

Disclosed is an organic electronic material comprising charge transporting compounds and ionic compounds having electron-accepting properties and high solubility in a solvent. The organic electronic material is characterized by comprising charge transporting compounds and ionic compounds, and in that at least one of the ionic compounds is any one kind of compounds represented by general formulas (1b)-(3b). (In the formulas Y-Yeach independently represent a divalent linking group, R-Reach independently represent an electron-attracting organic substituent (these structures can further have substituents and hetero-atoms, and R, Rand R, or, R-Rcan respectively combine and become a ring shape or a polymer shape) and Lrepresents a monovalent cation.) 

Method for producing charge transport film

Disclosed is a polishing agent comprising: water; tetravalent metal hydroxide particles; and an additive, wherein the additive contains at least one of a cationic polymer and a cationic polysaccharide. The present invention can provide a polishing agent which is capable of polishing an insulating film at a high speed with less polishing flaws, and having a high polishing rate ratio of a silicon oxide film and a stopper film, in the CMP technology of flattening insulating film. The present invention can also provide a polishing agent set for storing the polishing agent, and a method for polishing a substrate using this polishing agent.

Polishing agent and method for polishing substrate using the polishing agent

Organic electronic material, ink composition containing same, and organic thin film, organic electronic element, organic electroluminescent element, lighting device, and display device formed therewith

Provided is a material for organic electronics which can produce an organic electronic element capable of lowering the driving voltage or capable of performing stable driving for a long time. The material for organic electronics contains at least an ionic compound and a compound having a charge transporting unit (hereinafter, referred to as charge transporting compound), and the ionic compound is composed of a counter cation and a counter anion, while the counter cation is any one kind or two or more kinds selected from H, a carbocation, a nitrogen cation, an oxygen cation, and a cation having a transition metal.

Material for organic electronics, organic electronic element, organic electroluminescent element, display element using organic electroluminescent element, illuminating device, and display device

A photocurable resin composition which hardly causes leakage and is easily formed into a desired shape and an image display device using this photocurable resin composition are provided. Namely, a photocurable resin composition comprises a compound (A) having a photopolymerizable functional group and an oil gelling agent (B), is provided. Also, an image display device having a laminate structure including an image display unit having an image display part, a transparent protective plate, and a resin layer existent between the image display unit and the transparent protective plate, wherein the resin layer is a cured material of the above-described photocurable resin composition, is provided.

Photo curable resin composition, imaging display device and production method thereof

The polishing solution for CMP according to the invention comprises abrasive grains, an additive and water, and the polishing solution comprises an organic compound satisfying specified conditions as the additive. The polishing method of the invention is for polishing of a substrate having a silicon oxide film on the surface, and the polishing method comprises a step of polishing the silicon oxide film with a polishing pad while supplying the polishing solution for CMP between the silicon oxide film and the polishing pad.

Polishing solution for CMP and polishing method using the polishing solution

A polishing agent of the invention comprises tetravalent metal hydroxide particles, a cationized polyvinyl alcohol, at least one type of saccharide selected from the group consisting of an amino sugar, a derivative of the amino sugar, a polysaccharide containing an amino sugar and a derivative of the polysaccharide, and water. The method for polishing a substrate of the invention comprises a step of polishing the silicon oxide film(film to be polished), formed on the silicon substratehaving the silicon oxide film, by relatively moving the silicon substrateand a polishing platen, in a state that the silicon oxide filmis pressed against a polishing pad on the polishing platen, while supplying the polishing agent of the invention between the silicon oxide filmand the polishing pad.

Polishing agent, concentrated one-pack type polishing agent, two-pack type polishing agent and method for polishing substrate

An object of the present invention is to provide an organic electronic material that can be easily formed into a multilayer structure. A further object of the present invention is to provide an organic electronic device and an organic EL device that exhibit a better emission efficiency and a better emission lifetime than heretofore achieved. In order to achieve these objects, an organic electronic material is provided, the material includes a polymer or oligomer that has at least one polymerizable substituent and a hole-transporting repeat unit.

Organic electronic material, organic electronic device, and organic electroluminescent device

Objects of the present invention are to provide a purification process that enables Pd and P to be removed effectively, and to provide an electroluminescent material and an electroluminescent device obtained by employing the process. The present invention relates to a process for purifying an electroluminescent material, the process involving treating, with an oxidizing agent and then with a column, an electroluminescent material that contains Pd and/or P as impurities so as to remove the Pd and/or P.

Purification process of electroluminescent material, electroluminescent material and electroluminescent device

Objects of the present invention are to provide a purification process that enables Pd contained in an organic electronics material to be removed effectively, to provide an electroluminescent device middle layer material purified by the process, and to provide an electroluminescent device employing the middle layer material. The present invention relates to a process for purifying an organic electronics material, the process involving treating, with a phosphorus-containing material, an organic electronics material that contains Pd as an impurity so as to remove the Pd.

Purification process for organic electronics material

Objects of the present invention are to provide a purification process that enables Pd to be removed effectively, and to provide an electroluminescent material and an electroluminescent device obtained by employing the process. The present invention relates to a process for purifying an electroluminescent material, the process involving treating, with a phosphorus-containing material, an electroluminescent material that contains Pd as an impurity so as to remove the Pd.

Growing community of inventors

Tsukuba, Japan

Yousuke Hoshi