Sumitomo Chemical Company, Limited

Panasonic Corporation

Joled Inc.

Osamu Goto

Kazuei Ohuchi

Kohei Asada

Shuhei Nakatani

Kei Sakanoue

Seiji Shinkai

Hidenobu Kakimoto

Masayuki Soga

Masashi Ogawa

Shuichi Haraguchi

Tomohiro Shiraki

Hajime Fujikura

Chizu Sekine

Nobuhiko Akino

Taichiro Konno

Takeshi Kimura

Tomoki Mizobuchi

Shota Moriwaki

Kosaku Nagahara

Takuya Nomura

Tomoko Takasuka

Fumiko Kako

Provided is a group III nitride laminate for improving device characteristics, including: an underlying substrate; a first layer that is formed on the underlying substrate and is made of aluminum nitride; and a second layer that is formed on the first layer and is made of gallium nitride, wherein the first layer has a thickness of more than 100 nm and 1 μm or less, a full width at half maximum of (0002) diffraction determined through X-ray rocking curve analysis is 250 seconds or less, and a full width at half maximum of (10-12) diffraction determined through X-ray rocking curve analysis is 500 seconds or less.

Group III nitride laminate, semiconductor element, and method for producing group III nitride laminate

A high-molecular compound including a group indicated by general formula (11) as a repeating unit. In formula (11) n1 indicates an integer of 1-3. Arindicates an arylene group, a divalent aromatic heterocyclic group, or a divalent aromatic amine residue, and these groups may have a substituent group. If there is a plurality of Ar, the Arcan be the same or can be different. Rindicates a hydrogen atom, an alkyl group, an aryl group, a monovalent aromatic heterocyclic group, or an aralkyl group, and said groups may have a substituent group. The plurality of Rcan be the same or can be different. However, at least three of the Rare an alkyl group, an aryl group, a monovalent aromatic heterocyclic group, or an aralkyl group.

High-molecular compound and light-emitting element using same

A polymer compound has a repeating unit represented by general formula (1): wherein Rrepresents an alkyl group, an aryl group, a monovalent aromatic heterocyclic group or an aralkyl group, each possibly substituted and the same or different; and Xrepresents a group selected from formulae (1a) to (1c).] wherein Rrepresents an aryl group or a monovalent aromatic heterocyclic group, possibly substituted; and Rto Rrepresent each independently an alkyl group, an aryl group, a monovalent aromatic heterocyclic group, an alkoxy group, an aryloxy group, an aralkyl group, an arylalkoxy group, a substituted amino group, a substituted carbonyl group, a substituted carboxyl group, a fluorine atom or a cyano group; and the pairs Rand R, Rand R, Rand R, and Rand Rmay be mutually linked to form a ring together with a carbon atom to which they are linked.

It is an object of the present invention to provide a composition using a polymer compound, which is useful for manufacturing a blue phosphorescent light-emitting device excellent in luminous efficiency. The present invention provides a composition including: a polymer compound substantially consisting of a constitutional unit selected from a constitutional unit represented by Formula (1)-1 below, a constitutional unit represented by Formula (1)-2 below, a constitutional unit represented by Formula (2)-1 below, a constitutional unit represented by Formula (2)-2 below, and a constitutional unit derived from a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm and the polymer compound containing at least both of the constitutional unit represented by Formula (1)-1 and the constitutional unit represented by Formula (1)-2; and a phosphorescent light-emitting compound having a light-emitting spectrum peak at smaller than 480 nm. 

Composition containing polymer compound and light-emitting device using the same

A polymer compound is provided for achieving satisfactory brightness even at a low driving voltage when applied to a light-emitting device. A preferred embodiment includes multiple first groups and a block (A) having a structure in which the first groups are linked by a second group represented by formula (0-0), and includes at least one of a group represented by formula (0-1) or a group represented by formula (0-2) as the first group; wherein Arrepresents an optionally substituted arylene group or divalent aromatic heterocyclic group having a structure different from the first group; n represents an average chain length of Arand equals 1.0 to 8.0; and Xto Xand Xto Xeach represent a carbon atom or a nitrogen atom, where two or three of Xto Xare a nitrogen atom and three of Xto Xare a nitrogen atom.

High molecular compound, method for producing same, and light-emitting element

Disclosed is a composition containing a metal complex and an organic compound, wherein the difference between the absolute value of the energy level of the lowest unoccupied molecular orbit of said metal complex and the absolute value of the lowest unoccupied molecular orbit of said organic compound, as calculated with a computational technique, is less than 0.40 eV.

Composition containing a metal complex and organic compound, and light-emitting element using said compound

A problem of the present invention is to prevent a base layer beneath the layer to be irradiated with light from deterioration in property and a functional thin film from deterioration in property as the fine patterning of a functional film is performed with light irradiation. Means for solving the problem is a compound obtained by dimerizing with light irradiation a compound (A) containing a group that has photosensitivity and can be photodimerized and a group having lyophilicity and a compound (B) containing a group that has photosensitivity and can be photodimerized and a group having liquid-repellency.

Compound obtained by dimerizing with light irradiation, a compound containing a group having lyophilicity, and a compound containing a group having liquid-repellency

A problem of the present invention is to provide a device having good characteristics and long life, wherein a functional thin film is formed in a desired region by a coating method; a thin film transistor; a method for producing the device; and a method for producing the thin film transistor. This problem can be solved by a device comprising: a substrate, a first electrode formed on the substrate, a functional thin film formed above the first electrode, and a second electrode disposed above the functional thin film, characterized by further comprising, in a region surrounding the region where the functional thin film is formed, a film containing a compound in which a group containing fluorine and a &#x3c0;-conjugated system are bound together by a cycloalkene structure or a cycloalkane structure.

Device, thin film transistor, method for manufacturing the device and method for manufacturing the thin film transistor

A polymer compound comprising a repeating unit represented by the formula (I): [wherein Xrepresents an oxygen atom, a sulfur atom or N(R)&#x2014;, Rto Rand Rrepresent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, a mono-valent heterocyclic group or the like.].

Polymer compound and organic transistor using the same

An information delivery apparatus includes an encoder for encoding and packetizing digital data of an image or an audio, a frame assembly identification packet insertion unit for inserting a frame assembly identification packet including time information in the data packetized by the encoder on a frame assembly basis, and a transmission side communication module for outputting to a network the stream data having the frame assembly identification packet inserted therein by the frame assembly identification insertion unit.

Growing community of inventors

Tsukuba, Japan

Osamu Goto