- Hole transport type main body material, preparation method thereof and application of hole transport type main body material in preparation of organic electroluminescent device
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The invention belongs to the technical field of organic photoelectric materials, and discloses a hole transport type main body material, a preparation method thereof and an application of the hole transport type main body material in preparation of an organic electroluminescent device. The hole transport type main body material has a structural formula as shown in a formula (I). The hole transport material provided by the invention has high hole transport capability, can be applied to a hole layer of an organic electroluminescent device or can be combined with an electron transport material to form an exciplex as a luminescent layer or a main body material in the luminescent layer, and realizes relatively high device efficiency. The hole transport material disclosed by the invention has relatively high stability, can be applied to an exciplex main body, and effectively realizes an electroluminescent device with relatively long service life.
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Paragraph 0048-0051; 0055; 0099-0102; 0105
(2021/08/07)
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- Novel compound and organic light emitting device comprising the same
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The present invention provides a novel compound and an organic light emitting device using the same. The present invention provides a compound represented by chemical formula 1. The compound represented by chemical formula 1 described above can be used as a material for an organic material layer of the organic light emitting device, and can improve efficiency, lower driving voltage, and/or improve lifespan characteristics in the organic light emitting device.
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- Novel compound and organic light emitting device comprising the same
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The present invention provides a novel compound and an organic light emitting device using the same. A compound represented by chemical formula 1 can be used as a material for an organic layer of the organic light emitting device, and can improve efficiency, lower driving voltage, and/or improve lifespan characteristics in the organic light emitting device.
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Paragraph 0201-0203
(2021/05/04)
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- Novel compound and organic light emitting device comprising the same
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The present invention provides a novel compound and an organic light emitting device using the same. The present invention provides a compound represented by chemical formula 1. The compound represented by the chemical formula 1 can be used as a material for an organic layer of the organic light emitting device, and can improve efficiency, lower driving voltage, and/or improve lifespan characteristics in the organic light emitting device.
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- COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC DEVICE
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A compound represented by formula (1): wherein each symbol is as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.
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- ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE
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A compound represented by formula (1): wherein R1 to R8, R12 to R18, R21 to R25, R31 to R48, L1 to L3, and Ar are as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.
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- COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC APPARATUS
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PROBLEM TO BE SOLVED: To provide a compound that creates an organic EL element showing excellent organic EL performance, an organic EL element containing the compound and showing excellent organic EL performance, and an electronic apparatus containing the organic EL element. SOLUTION: The present invention provides an organic EL element containing, for example, compound 1, and an electronic apparatus containing the organic EL element. SELECTED DRAWING: None COPYRIGHT: (C)2018,JPO&INPIT
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- COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
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The present invention relates to a compound and an organic light-emitting device comprising the same. The compound is represented by chemical formula 1. According to an embodiment of the present invention, the compound can be used as a material of an organic matter layer of an organic light-emitting device.COPYRIGHT KIPO 2016
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Paragraph 0217; 0218
(2017/03/23)
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