摘要:
Disclosed is an organic electroluminescent device having high external quantum efficiency and long life. Also disclosed are an illuminating device and a display device. The organic electroluminescent device is characterized by containing at least one compound having a partial structure represented by the following general formula (1). [chemical formula 1] (1) In the formula, R1 represents a group (preferably an aromatic hydrocarbon group, an aromatic heterocyclic group, an alkyl group or an alkoxy group) having 4-20 carbon atoms in total and a substituent having a formula weight of 70-350 (preferably an alkyl group or an alkoxy group); R2-R4 independently represent a substituent; n2 represents a number of 0-4; n3 represents a number of 0-2; n4 represents a number of 0-8; and Q represents an atomic group necessary for forming an aromatic hydrocarbon ring or an aromatic heterocyclic ring.
摘要:
Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life. Also disclosed are an illuminating device and a display, each comprising such an organic electroluminescent device. The organic electroluminescent device is characterized by comprising at least an anode and a cathode on a supporting substrate, while having at least one light-emitting layer between the anode and the cathode. The organic electroluminescent device is also characterized by containing a polymer which at least partially contains a compound A having a partial structure represented by the general formula (a) below and a reactive group, and is obtained by polymerizing the compound A through the reactive group. (In the formula, Ar1 and Ar2 respectively represent an aromatic ring.)
摘要:
Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life and an illuminating device and a display device, each comprising the organic electroluminescent device. The organic electroluminescent device comprises at least an anode and a cathode arranged on a supporting substrate and at least two organic layers, namely a first layer and a second layer, between the anode and the cathode, in which the organic electroluminescent device is characterized in that the first organic layer contains a light emitting dopant and the second organic layer contains a charge-transporting material and a part of the material constituting the first organic layer, and the second organic layer is formed by coating after formation of the first organic layer.
摘要:
Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound.
摘要:
Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound.
摘要:
Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life and an illuminating device and a display device, each comprising the organic electroluminescent device. The organic electroluminescent device comprises at least an anode and a cathode arranged on a supporting substrate and at least two organic layers, namely a first layer and a second layer, between the anode and the cathode, in which the organic electroluminescent device is characterized in that the first organic layer contains a light emitting dopant and the second organic layer contains a charge-transporting material and a part of the material constituting the first organic layer, and the second organic layer is formed by coating after formation of the first organic layer.
摘要:
Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of −5.15 to −3.50 eV and a LUMO of from −1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C.
摘要:
Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of −5.15 to −3.50 eV and a LUMO of from −1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C.
摘要:
An organic thin film transistor comprising a semiconductor layer containing a thiophene oligomer which has a thiophene ring having a substituent and a partial structure constituted by directly connected two or more thiophene rings each having no substituent, and contains three to forty thiophene rings per molecule.
摘要:
An objective is to provide an organic thin film transistor material exhibiting an excellent property as a transistor together with reduced aging degradation, and also to provide an organic thin film transistor, a field-effect transistor, a switching element, an organic semiconductor material and an organic semiconductor film employing the organic thin film transistor material. Disclosed is an organic thin film transistor material possessing a compound represented by the following Formula (1). where A composed of a condensed ring formed with a 6 membered aromatic cycle or a 6 membered aromatic heterocycle represents C—R, N or P; at least one of As is N or P; R represents a hydrogen atom, a halogen atom or a substituent; and R may be bonded with other Rs with each other to form a ring.