902518-12-1Relevant articles and documents
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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Paragraph 0048-0051; 0055; 0099-0102; 0105, (2021/08/07)
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.
Novel compound and organic light emitting device comprising the same
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Paragraph 0201-0203, (2021/05/04)
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.
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC DEVICE
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, (2018/07/15)
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.