Sumitomo Chemical Company, Limited

Ken Sakakibara

Hideyuki Higashimura

Masanobu Tanaka

Rui Ishikawa

Mio Shiratori

Takayuki Iijima

Daisuke Fukushima

Tomoyasu Yoshida

Kenta Tanaka

Kensaku Horie

Norifumi Kobayashi

A polymer compound having a constitutional unit represented by formula (1A) or formula (1B) and a constitutional unit represented by formula (2A) or formula (2B) is provided, wherein each of Xand Xis a crosslinkable group; and R, R, Arto Ar, L, Ar, m1 to m6, R, R, Arto Ar, Ar, L, Ar, n1 to n6, and Ln are as defined in the specification. The polymer compound is excellent in crosslinkability and hole transportability. 

Polymer compound and light-emitting element using same

A polymer compound having an excellent crosslinking ability is provided. The polymer compound has at least one terminal constitutional unit represented by the formula (1) and a constitutional unit represented by the formula (2): In the constitutional unit represented by formula (1), mT represents an integer of 0 to 5, nT represents an integer of 1 to 4, cT represents an integer of 0 to 1, Qrepresents a crosslinkable group, Krepresents an alkylene group or the like and Arrepresents an aromatic hydrocarbon group or the like. In the constitutional unit represented by formula (2), mA represents an integer of 0 to 5, n represents an integer of 1 to 4, Arrepresents an aromatic hydrocarbon group or the like, Krepresents an alkylene group or the like and Qrepresents a crosslinkable group.

Polymer compound and light emitting device using the same

A composition is provided for forming a conductive film. The composition includes a metal compound, a reducing agent, an ionic compound and/or a polar compound, and a compound having at least one atom selected from a nitrogen atom, a sulfur atom and a phosphorus atom. The composition may be an ink composition for coating on an electronic device.

Composition for forming conductive film

The present invention is to provide a composition that can provide an electroluminescent device emitting light with high brightness. The present invention provides following: a composition including a polymer compound comprising one or more structural unit(s) selected from the group consisting of a structural unit represented by Formula (1), a structural unit represented by Formula (3), a structural unit represented by Formula (5), a structural unit represented by Formula (16), a structural unit represented by Formula (18), a structural unit represented by Formula (20), and a structural unit represented by Formula (22) and an ionic compound represented by Formula (23); an organic film and an electric device comprising the composition. 

Electroluminescent composition and electric device with high brightness

The present invention provides a compound that has high solubility in a highly polar solvent and is usefully usable for an application method using a highly polar solvent, the compound that can manufacture an electroluminescent device having high light-emitting efficiency. Specifically, the present invention provides a compound containing a structure represented by Formula (1): wherein:

Aryl compounds for application in a highly polar solvent

Provided is a layered structure having a first electrode, a second electrode, a light emitting layer or a charge separation layer located between the first electrode and the second electrode, and a layer located between the light emitting layer or the charge separation layer and the first electrode and containing a polymer having a repeating unit containing one or more ionic groups selected from two specific groups and one or more specific polar groups. Also provided is a polymer having, as the repeating unit containing one or more ionic groups selected from two specific groups and one or more specific polar groups, one or more repeating units selected from four specific repeating units containing an aromatic group. The layered structure of the present invention provides an electroluminescent device capable of emitting light at a high luminance and a photoelectric conversion device having a high photoelectric conversion efficiency.

Layered structure, polymer, electroluminescent device, and photoelectric conversion device

An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (14) as a charge injection layer and/or a charge transport layer: wherein Arand Arrepresent certain fused polycyclic aromatic groups; R, R, Rand Rrepresent certain organic groups; m1, m2 and m6 represent an integer of 1 or more; m7 represents an integer of 0 or more; and when R, R, Rand Rare each plurally present, they each may be the same or different.

Electronic device and polymer compound

An electronic device that serves as a high-brightness electroluminescent device includes a layer containing a polymer compound having one or more structural units selected from a structural unit represented by formula (1) and a structural unit represented by formula (7) as a charge injection layer and/or a charge transport layer: Wherein R, R, Rand Rrepresent certain groups; m1 and m5 represent an integer of 0 or more; when Rand Rare plurally present, they may be the same or different; and a hydrogen atom in formula (1) or (7) may be replaced with a substituent other than the certain groups.

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Tsukuba, Japan

Ken Sakakibara