- AMINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
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Provided in the present invention are an amine-based compound and an organic light emitting device including the same. The compound of the present invention can be used as an organic microorganism layer in an organic light emitting device, especially a hole injection layer and/or a hole transfer layer, and an electron blocking layer, can lower driving voltage of a device and improve light efficiency when the compound is used in the organic light emitting device, and can improve life properties of the device by thermal stability of the compound. The organic light emitting device comprises a first electrode; a second electrode facing the first electrode; and an organic microorganism layer consisting of one or more layer including a light emitting layer interposed between the first electrode and the second electrode, wherein one or more layer of the organic microorganism layer contains an amine-based compound according to any one claim among claim 1 to 6.COPYRIGHT KIPO 2015
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Paragraph 0215-0216; 0227-0228
(2016/12/01)
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- One/two-photon-sensitive photoacid generators based on benzene oligomer-containing D-π-A-type aryl dialkylsulfonium salts
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Novel sulfonium-based D-π-A photoacid generators (PAGs) with a benzene oligomer (from one to four) as a π-conjugated system that are highly photosensitive in the near-ultraviolet region (365 nm) were prepared. The maximum absorption and molar extinction coefficients of the PAGs redshifted and enhanced with the increasing length of the conjugated systems. The quantum yields of PAGs were high (three of them were over 0.6) and improved by adjusting the number of the phenyl rings. The quantum chemical calculation results proved that the molecular configuration and nature of the frontier orbitals are crucial factors which affect PAG performance. Photopolymerization kinetic results demonstrated that these sulfonium-based PAGs were highly efficient cationic photoinitiators, and the i-line sensitivities were evaluated based on the photolithographic performance of the PAG-containing SU-8 resins. In addition, the two-photon absorption cross sections (δ700 nm > 400 GM) matched the requirements needed in the 3D fabrication of polymer microstructures.
- Jin, Ming,Wu, Xingyu,Xie, Jianchao,Malval, Jean Pierre,Wan, Decheng
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p. 55340 - 55347
(2015/07/07)
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- AROMATIC TRIAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME
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Disclosed is an aromatic triamine compound of specific structure having at least one terphenyl structure. Also disclosed is an organic electroluminescent device wherein an organic thin film composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode, and at least one layer in the organic thin film contains the aromatic triamine compound by itself or as a component of a mixture. Such an organic electroluminescent device has high luminous efficiency and long life, and the above-mentioned aromatic triamine compound enables to realize such an organic electroluminescent device.
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Page/Page column 45-48
(2008/06/13)
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- Aromatic triamine compound and organic electroluminescence device using the same
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Provided are an aromatic triamine compound of a specific structure having at least one terphenyl structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers having at least a luminescent layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin film layers contains the aromatic triamine compound described above in the form of a single component or a mixed component, and provided are the organic electroluminescence device having a high luminous efficiency and a long life and the novel aromatic triamine compound for materializing the same.
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- Synthesis and Functional Properties of Strongly Luminescent Diphenylamino End-Capped Oligophenylenes
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Two novel homologous series of oligophenylenes (OPPs) symmetrically end-capped with diphenylamino groups and asymmetrically end-capped with anthryldiphenylamino groups were successfully synthesized by a convergent approach with use of palladium-catalyzed homo- and cross-coupling of arylboronic acids. The absorption maxima of both diphenylamino end-capped OPP series do not vary with the chain length although the molar absorptivities increase sequentially. On the other hand, the emission maxima slightly shift to longer wavelengths when the phenylene unit increases in the series. All the diphenylamino end-capped oligomers exhibit very large fluorescence quantum yields (81-89%). They also exhibit low first ionization potentials, corresponding to the oxidation of the triarylamino moiety, which are essentially unaffected by the oligomeric length extension. The good thermal stabilities of these oligomers allowed the fabrication of multilayer light-emitting devices and their investigations.
- Li, Zhong Hui,Wong, Man Shing,Tao, Ye,D'Iorio, Marie
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p. 921 - 927
(2007/10/03)
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