摘要:
Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
摘要:
An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.
摘要:
An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.
摘要:
In an organic electroluminescence display device (30) comprising an organic EL element (26) having a structure wherein an organic luminescent medium (24) is sandwiched between a top electrode (20) and a bottom electrode (22), and a driving circuit (14) for driving the organic EL element (26), the organic luminescent medium (24) comprises a host compound and a triplet-related luminous compound and the driving circuit (14) applies a electric pulse voltage or pulse current having a frequency of 30 Hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic EL display device which consumes a low electric power and has a long luminous life span, and a method for driving the same.
摘要:
An organic electroluminescence device comprising a compound having a specific structure having a heteroatom and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises the above compound. The device provides excellent efficiency of light emission, forms no defects in pixels, exhibits excellent heat resistance and has a long life.
摘要:
An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.
摘要:
In an organic electroluminescence display device (30) comprising an organic EL element (26) having a structure wherein an organic luminescent medium (24) is sandwiched between a top electrode (20) and a bottom electrode (22), and a driving circuit (14) for driving the organic EL element (26), the organic luminescent medium (24) comprises a host compound and a triplet-related luminous compound and the driving circuit (14) applies a electric pulse voltage or pulse current having a frequency of 30 Hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic EL display device which consumes a low electric power and has a long luminous life span, and a method for driving the same.
摘要:
Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.
摘要:
Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
摘要:
Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.