- Aromatic amine derivative and organic electroluminescent device using aromatic amine derivative
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The invention provides an aromatic amine derivative and an organic electroluminescent device using the aromatic amine derivative, and relates to the technical field of organic photoelectric materials. For solving the problem of low light extraction efficiency of the organic electroluminescent device, the invention provides the aromatic amine derivative; the aromatic amine derivative has a high refractive index and can effectively improve the light extraction efficiency of the organic electroluminescent device; and meanwhile, a heterocyclic compound provided by the invention has a high glass transition temperature, the film is stable in state and not easy to crystallize; meanwhile, the material provided by the invention can isolate moisture and oxygen in air, and when the material is applied to a covering layer of the organic electroluminescent device, the light extraction efficiency of the device can be effectively improved, and the service life of the device is prolonged.
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Paragraph 0126-0127; 0130-0131; 0167-0170
(2021/09/15)
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- Aromatic compound and organoelectro luminescent device comprising the compound
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The present invention relates to an aromatic compound denoted by chemical formula 1, and an organic electroluminescent device comprising the compound. The organic electroluminescent device comprising the aromatic compound by the present invention has low driving voltage, and excellent lifetime properties and luminance efficiency.
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Paragraph 0338-0342; 0557; 0576-0581; 0620-0626
(2020/12/08)
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- Triazine derivatives electronic transmission compound and its organic electroluminescent device
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The invention provides an organic light-emitting compound adopting a triazine derivative shown in the structural formula I. The compound has better thermal stability, high luminous efficiency and high luminous purity, can be used for manufacturing OLEDs (
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Paragraph 0044-0048
(2019/02/02)
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- MATERIALS FOR ELECTRONIC DEVICES
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The present invention relates to a compound of a formula (I), in which an electron-deficient group and an arylamino group are connected to one another via an intermediate group. The compound of the formula (I) is suitable as functional material in electronic devices.
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Paragraph 0187-0189
(2016/10/31)
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- COMPOSITIONS CONTAINING FLUORENE SUBSTITUTED TRIAZINE DERIVED COMPOUNDS, AND ELECTRONIC DEVICES CONTAINING THE SAME
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The invention provides a composition comprising at least one fluorene substituted triazine derived compound of Formula 1, as described herein, and electronic devices containing the same. Such devices have improved efficiency and better driving voltage.
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Page/Page column 15; 16
(2015/06/03)
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