摘要:
PROBLEM TO BE SOLVED: To provide a carbon nanotube dispersing solution which can form a film by a coating method represented by the inkjet method and can provide an organic FET having a high charge mobility and a high on-off ratio and an organic semiconductor composite solution. SOLUTION: The carbon nanotube dispersing solution contains a carbon nanotube, to at least part of whose surface a conjugated polymer attaches, and one or more solvents, wherein the dipole moment of each solvent present in the carbon nanotube dispersing solution is 3.5 Debye or less, and the carbon nanotube dispersing solution contains not less than 50 vol.% of a solvent having a boiling point of 150°C or higher in all solvents. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To improve the mobility of an organic field effect transistor. SOLUTION: An organic semiconductor multilayer film includes an organic semiconductor layer, including at least a carbon nanotube and a liquid crystalline organic semiconductor, and an oriented layer which is in contact with the organic semiconductor layer. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide an FET having semiconductor layer containing CNT, enabling attaining of high mobility and high on-off ratio, and to reduce the threshold-value voltage and hysteresis. SOLUTION: The FET includes a gate electrode, a gate insulating layer, the semiconductor layer containing carbon nanotubes attached with conjugated polymer on at least a part of the surface thereof, a second insulating layer formed on the semiconductor layer at the side opposite to the gate insulating layer, a source electrode, and a drain electrode. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a luminescent element material that can produce a luminescent element having excellent color purity and durability and provide a luminescent element using the same. SOLUTION: The luminescent element material contains a pyrene compound that is represented by formula (1) [wherein one of R 1 to R 10 is an ethynyl group represented by generale formula (2) (wherein Ar 1 is aryl or heteroaryl, α represents a linking part with pyrene skeleton), the remainings are H, alkyl, cycloalkyl, heterocyclic group, alkenyl and a condensed ring formed with an adjacent substituent]. COPYRIGHT: (C)2008,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a light-emitting element material enabling a light-emitting element having excellent durability; and to provide the light-emitting element using the material. SOLUTION: The light-emitting element material contains a pyrene compound having a specific structure. The light-emitting element includes the light-emitting element material. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a material for a light-emitting element, enabling the light emitting element excellent in durability, and the light-emitting element by using the same. SOLUTION: This material for the light-emitting element contains an anthracene compound expressed by general formula (1) e.g., a compound in the formula (1) [wherein, R 10 is naphthalene ring; A is anthracene ring; X is -O-; and other Rs are each hydrogen], etc. COPYRIGHT: (C)2007,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a light-emitting element having a high emission luminance and excellent in durability. SOLUTION: A phosphine oxide compound represented by formula (1) is useful as a phosphor for the light-emitting element and as an electron-transporting material. The compound is more effective when used in an electron-transporting layer. In formula (1), R 1 -R 3 are each selected from among hydrogen, alkyls, cycloalkyl, aralkyl, alkenyl, cycloalkenyl, alkynyl and alkoxyl groups, and a condensed ring formed with a neighboring substituent; Ar 1 and Ar 2 are each an aryl group or a heteroaryl group, provided that at least one of Ar 1 and Ar 2 has a substituent or forms a condensed ring together with a neighboring substituent; (n) is an integer of 1-3; and when (n) is 3, no R 1 exists. COPYRIGHT: (C)2004,JPO&NCIPI
摘要:
PROBLEM TO BE SOLVED: To provide a white light emitting element high in light emission brightness and superior in color purity. SOLUTION: This is the light emitting element in which there exist at least a light-emitting layer and an electron transport layer between the positive electrode and the negative electrode, and in which light is emitted by electric energy. The light-emitting layer contains pyrromethene compound expressed by a general formula (1) or its metal complex. Ionization potential of the electron transport layer is not less than 5.8 eV, and the light-emitting layer produces white light emission. Here, in the general formula (1) of [Fig.1], R 1 to R 7 may be respectively the same or may be different, and are selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, and cycloalkenyl group or the like, and are selected among fused ring formed between adjacent substituents. X expresses N or C atom, and when X is N, R 7 does not exist. In the case they are metal complexes, the metal is at least one kind selected among boron, beryllium, magnesium, chrome, iron, cobalt, nickel, copper, zinc, and platinum. COPYRIGHT: (C)2004,JPO&NCIPI
摘要:
PROBLEM TO BE SOLVED: To provide a mask paste composition superior in the storage stability of liquid solution after hardening, the patternability in coating, the maskability in an impurity diffusion step after coating, and the cracking resistance.SOLUTION: A mask paste composition comprises (a) polysiloxane including a phenyl group, (b) silica particles having an average particle diameter of 50 nm or smaller, and (c) solvent having a boiling point of 130°C or higher; and the silica particles account for 20-70 wt.%.
摘要:
PROBLEM TO BE SOLVED: To provide a non-photosensitive diffusion composition which is low in acidity and excellent in adaptability to a coating apparatus, while suppressing diffusion into a high-temperature atmosphere, such as a thermal diffusion furnace, and having excellent diffusion properties, in patterning a diffusion composition on a semiconductor substrate using a printing method.SOLUTION: A non-photosensitive composition contains at least one (A) selected from compounds represented by the following formulae (1)-(3) and an organic solvent (B). (In the formulae, Rrepresents an organic group, a hydroxy group or a polysiloxane residue, Rrepresents an organic group having 2 to 20 carbon atoms, inclusive, and Rrepresents an organic group having 1 to 10 carbon atoms, inclusive.)