Abstract: The present invention provides a novel organic compound of General Formula 1, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound of the present invention is useful in organic electroluminescence devices as a hole injection layer substance, a hole transport layer substance, an electron blocking layer substance, and an emission layer substance such as green and red phosphorescent host substance, and when used in the organic electroluminescence devices, can reduce the drive voltage, and increase the luminous efficiency, luminance, thermal stability, color purity and service life of the devices.

Abstract: The present invention provides a novel organic compound, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound provided in the present invention is useful in organic electroluminescence devices as a hole injection layer material, a hole transport layer material, an electron blocking layer material, and an emission layer material such as green and red phosphorescent host material, and can reduce the drive voltage, and increase the luminous efficiency, luminance, thermal stability, color purity and service life of the devices.

Abstract: The present invention provides a spiro compound of General Formula 1, and use thereof in the fields of electronic materials, fine chemistry, and medical science. Further, the present invention also provides an organic electroluminescence device fabricated by using the spiro compound of General Formula 1. When used in an organic electroluminescence device, the compound of General Formula 1 provided in the present invention is capable of reducing the drive voltage, and increasing the luminous efficiency, brightness, thermal stability, color purity, and service life of the device.

Abstract: The present invention provides an organic electroluminescent compound and an organic electroluminescent device using the organic electroluminescent compound, the compound has the following structural formula: wherein R1, R2 and R4 are, each independently, selected from a group consisting of a hydrogen atom, a C1-C20 linear or branched alkyl group, a substituted or unsubstituted N-(phenylmethyl)imino group, a phenyl group, phenylamine, diphenylamine, phenyl pyridinylamine, bipyridinylamine, phenyl naphthylamine, binaphthylamine, phenyl phenanthrylamine, biphenanthrylamine, phenyl anthrylamine, bianthrylamine, phenanthridine, biphenyl, a pyridyl group, a pyrimidinyl group, a quinolinyl group and a triazinyl group; R3 is selected from a group consisting of hydrogen atom, a C1-C10 linear or branched alkyl group, a substituted or unsubstituted N-(phenylmethyl)imino group, a phenyl group, phenylamine, diphenylamine, phenyl pyridinylamine, bipyridinylamine, phenyl naphthylamine, binaphthylamine, phenyl phenanthr

Abstract: The present invention provides an organic electroluminescent compound and an organic electroluminescent device using the organic electroluminescent compound, the compound has the following structural formula: wherein R1, R2 and R4 are, each independently, selected from a group consisting of a hydrogen atom, a C1-C20 linear or branched alkyl group, a substituted or unsubstituted N-(phenylmethyl)imino group, a phenyl group, phenylamine, diphenylamine, phenyl pyridinylamine, bipyridinylamine, phenyl naphthylamine, binaphthylamine, phenyl phenanthrylamine, biphenanthrylamine, phenyl anthrylamine, bianthrylamine, phenanthridine, biphenyl, a pyridyl group, a pyrimidinyl group, a quinolinyl group and a triazinyl group; R3 is selected from a group consisting of hydrogen atom, a C1-C10 linear or branched alkyl group, a substituted or unsubstituted N-(phenylmethyl)imino group, a phenyl group, phenylamine, diphenylamine, phenyl pyridinylamine, bipyridinylamine, phenyl naphthylamine, binaphthylamine, phenyl phenanthr

Abstract: The present invention provides a novel organic compound of General Formula 1, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound of the present invention is useful in organic electroluminescence devices as a hole injection layer substance, a hole transport layer substance, an electron blocking layer substance, and an emission layer substance such as green and red phosphorescent host substance, and when used in the organic electroluminescence devices, can reduce the drive voltage, and increase the luminous efficiency, luminance, thermal stability, color purity and service life of the devices.

Abstract: The present invention provides a spiro compound of General Formula 1, and use thereof in the fields of electronic materials, fine chemistry, and medical science. Further, the present invention also provides an organic electroluminescence device fabricated by using the spiro compound of General Formula 1. When used in an organic electroluminescence device, the compound of General Formula 1 provided in the present invention is capable of reducing the drive voltage, and increasing the luminous efficiency, brightness, thermal stability, color purity, and service life of the device.

Abstract: The present invention provides a novel organic compound, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound provided in the present invention is useful in organic electroluminescence devices as a hole injection layer material, a hole transport layer material, an electron blocking layer material, and an emission layer material such as green and red phosphorescent host material, and can reduce the drive voltage, and increase the luminous efficiency, luminance, thermal stability, color purity and service life of the devices.