Hitachi Chemical Company, Ltd.

Resonac Corporation

Showa Denko Materials Co., Ltd.

Kenichi Ishitsuka

Daisuke Ryuzaki

Shigeaki Funyuu

Naoki Asano

Tomotsugu Sugioka

Yousuke Hoshi

Kazuyuki Kamo

Iori Fukushima

Hirotaka Sakuma

Yuki Yoshinari

Hideo Nakako

Akihiro Yoshida

Shunsuke Ueda

Hiroshi Takaira

Ryo Honna

Shunsuke Kodama

Tomomi Uchiyama

Ryota Moriyama

Sentaro Okamoto

An organic electronic material that includes a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1).

Organic electronic material and organic electronic element

An organic electronic material including a charge transporting polymer having a structure that is represented by Formula (1) and that is branched in three or more directions (in the formula, Rf's are each independently a fluoroalkyl group, a and b are 0 or 1, and a and b are not both 0 at the same time).

Organic electronic material and use thereof

One embodiment relates to a charge transport polymer containing a molecular chain and terminal groups bonded to the molecular chain, wherein the terminal groups include a terminal group P containing a polymerizable functional group and a terminal group EW containing an aromatic hydrocarbon group substituted with an electron-withdrawing substituent, the terminal group P includes a terminal group represented by formula (P1) shown below, and among the carbon atoms contained in the ring of the aromatic hydrocarbon group, if the carbon atom that is bonded to the molecular chain is numbered 1, and numbers are assigned in order to the adjoining carbon atoms, then the electron-withdrawing substituent is bonded to a carbon atom numbered 1+2n (wherein n is an integer of 1 or greater).

Charge-transport polymer and organic electronic element

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 electroluminescent element, lighting device, and display device formed therewith

Embodiments of the present invention relate to a composition containing a polymer or oligomer (A) and an initiator (B), wherein the polymer or oligomer (A) contains no alkyl groups of 5 or more carbon atoms, contains at least one type of structural unit selected from the group consisting of a structural unit containing an aromatic amine structure and a structural unit containing a carbazole structure, and contains, at one or more terminals, a structural unit containing a thienyl group which may have a substituent, and a degree of solubility of the composition is capable of being changed by applying heat, light, or both heat and light.

Composition, hole transport material composition, and ink composition

An organic electronic material containing a charge transport polymer for which, in a molecular weight distribution chart measured by GPC, the area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and the area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.

Organic electronics material and use thereof

One embodiment relates to an organic electronic material containing a charge transport polymer or oligomer, wherein the charge transport polymer or oligomer has a structural unit containing an aromatic amine structure substituted with a fluorine atom.

Organic electronic material including charge transport polymer or oligomer having structural unit containing aromatic amine structure substituted with fluorine atom, organic electronic element, and organic electroluminescent element

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

An embodiment of the present invention relates to a treatment liquid which contains an ionic compound and a solvent, and is used for adhering the ionic compound to at least one surface selected from the group consisting of a surface on which a layer having hole transport properties is to be formed, and a surface of a layer having hole transport properties.

Treatment liquid containing ionic compound, organic electronic element, and method for producing organic electronic element

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

Provided is an organic electronic material which is excellent in storage stability in the case as an ink composition, and able to prepare, at a high yield, an organic electronic element capable of reducing the driving voltage and of being driven stably for a long period of time, and an ink composition including the organic electronic material. The organic electronic material is characterized in that it contains at least an ionic compound represented by the following general formula (1), and a compound including a charge transporting unit, and the ink composition including the material. [In the general formula (1), Rto Reach independently represent a hydrogen atom (H), an alkyl group, or a benzyl group, and N is not bonded to an aryl group. A represents an anion.] 

Organic electronic material, ink composition, and organic electronic element

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

An embodiment of the present invention relates to a composition containing a polymer oroligomer (A) having a repeating unit with hole transport properties and also having a thienylgroup which may have a substituent, and an initiator (B), wherein the solubility of the composition is capable of being changed by applying heat, light, or both heat and light.

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Tsukuba, Japan

Kenichi Ishitsuka