- HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC LAYER
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The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
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Paragraph 0202-0204
(2021/04/02)
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- COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
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The present specification relates to a compound represented by chemical formula 1 and an organic light emitting device including the same.
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Paragraph 0331-0334
(2021/06/01)
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- HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME, COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT EMITTING DIODE, AND METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DIODE
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The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
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Paragraph 0196-0198
(2021/06/26)
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- ORGANIC LIGHT EMITTING DEVICE, MANUFACTURING METHOD OF THE SAME AND COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT EMITTING DEVICE
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The present specification relates to an organic light emitting device, a method of manufacturing the same, and a composition for organic material layers, wherein at least one of the organic material layers includes a heterocyclic compound represented by c
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Paragraph 0308-0311
(2021/07/01)
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- ORGANIC LIGHT EMITTING DEVICE, MANUFACTURING METHOD OF THE SAME AND COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT EMITTING DEVICE
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The present invention relates to: an organic light emitting device comprising a first electrode, a second electrode, and at least one organic matter layer provided between the first electrode and the second electrode, wherein the organic light emitting device comprises a heterocyclic compound, in which at least one of organic matter layers is represented by chemical formula 1 and a heterocyclic compound represented by chemical formula 2; a method for manufacturing the same; and a composition for an organic matter layer of the organic light emitting device. When the heterocyclic compound represented by the chemical formula 1 and the heterocyclic compound represented by the chemical formula 2 are simultaneously used for the organic light emitting device, it is possible to lower the driving voltage of a device and improve light efficiency.COPYRIGHT KIPO 2019
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Paragraph 0313-0316
(2019/05/18)
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- HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
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Provided are a hetero-cyclic compound which can significantly improve lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the hetero-cyclic compound in
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Paragraph 0106-0110
(2017/04/03)
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- MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
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Provided is a material for an organic electroluminescence device having a specific structure in which a dibenzothiophenyl group or a carbazolyl group is bonded to a carbazolyl group at its N-position (9-position) directly or through a linking group. Further provided is an organic electroluminescence device including one or more organic thin film layers including a light emitting layer between a cathode and an anode, in which at least one organic thin film layer contains the material for an organic electroluminescence device of the present invention.
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- BICARBAZOLE CONTAINING COMPOUNDS FOR OLEDS
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Novel organic compounds comprising a bicarbazole core are provided. In particular, the compound has a 3; 31 -bicarbazole core substituted at the 9 th position with at least one of dibenzofuran, dibenzothiophene, dibenzoselenophene, azadibenzofuran, azadibenzothiophene and azadibenzoselenophene. The compounds may be used in organic light emitting devices ( 100, 200 ) to provide devices having improved efficiency and improved lifetime.
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- BICARBZOLE CONTAINING COMPOUNDS FOR OLEDS
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Novel organic compounds comprising a bicarbazole core are provided. In particular, the compound has a 3;3′-bicarbazole core substituted at the 9th position with at least one of dibenzofuran, dibenzothiophene, dibenzoselenophene, azadibenzofuran, azadibenzothiophene and azadibenzoselenophene. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
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