239-64-5Relevant articles and documents
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Braithwaite,Holt
, p. 3025,3029 (1959)
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COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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Paragraph 0525; 0562-0564; 0567-0568; 0582-0583; 0587-0588, (2020/05/26)
The present invention provides: a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element; an organic electronic element which uses the same; and an electronic device thereof. By using the mixture according to the present invention as a phosphorescent host material, it is possible to achieve high luminous efficiency and low driving voltage of the organic electronic element, and also significantly improve a lifespan of the element.(110) Substrate(120) Anode(130) Hole injection layer(140) Hole transport layer(141) Buffer layer(150) Light emitting auxiliary layer(151) Light emitting layer(160) Electron transport layer(170) Electron injection layer(180) CathodeCOPYRIGHT KIPO 2020
Compound with ketone as core, preparation method and application of compound
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, (2019/11/13)
The invention discloses a compound with ketone as the core, a preparation method and application of the compound. The compound has small delta Est, reverse interstitial leaping of energy is facilitated, and the compound has a high triplet state energy level (T1) and appropriate HOMO and LUMO energy levels, and is suitable for being used as a main material of a luminescent layer of an organic electroluminescence device; and in addition, the compound has the strong group rigidity, and has the characteristics of difficult crystallization and difficult aggregation among molecules and good film formation. The compound is applied to an OLED device as an organic electroluminescence functional layer material, the current efficiency, the power efficiency and the external quantum efficiency of the device are all greatly improved, and meanwhile, the service life of the device is obviously prolonged.
Compound using cyano pyridine as core, and applications in OLED devices
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, (2019/07/04)
The invention discloses a compound using cyano pyridine as a core, and applications in OLED devices. According to the present invention, the compound uses cyano pyridine as a core, uses a carbazole fused ring group as a branch chain, and has characteristics of less intermolecular crystallization, less aggregation and good film forming property; and with the application of the compound as a light-emitting layer material in an organic electroluminescent device, the organic electroluminescent device using the compound has good photoelectric performance, and can well meet the application requirements of panel manufacturers.