- Metal-nickel complex and preparation method and application thereof
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The present invention discloses a metal-nickel complex and preparation method and application thereof. The metal nickel complex having a structure shown in Formula I below, wherein:R1 each time it appears, each time independently selected from C1-10 alkyl, -C1-6 alkyl-C 6-12 aryl, C6-12 aryl-C1-6 alkyl;P1,P2 Each time it appears, each independently selected from H, halogen, C1-6 alkyl, C2-6 enyl, C3-20 aryl, C3-20 heteroaryl, and whenP1,P2 are not H or halogen, adjacentP1,P2 Energy bond synthesis ring; D is the electron-absorbing group; A is the electron-absorbing group. This metal-nickel complex has good fluorescence luminescence performance.
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Paragraph 0054-0056; 0060; 0077-0078; 0087-0088
(2022/01/12)
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- POLYCYCLIC AROMATIC COMPOUND AND LIGHT EMISSION LAYER-FORMING COMPOSITION
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The objective of the invention is to provide a polycyclic aromatic compound in which solubility to a solvent, film formability, wet coatability, thermal stability, and in-plane orientation are improved. This objective is achieved by a light emission layer
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Paragraph 0568
(2018/04/18)
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- A germanium-containing organic electroluminescent material and its organic light-emitting device
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The present invention provides a germanium-containing organic electroluminescent material and its organic light-emitting device, which belongs to the technical field of organic photoelectric material. The present invention provides a germanium-containing
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Paragraph 0054; 0055; 0056
(2018/07/07)
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- An organic electroluminescent diode material and its application
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The invention relates to an organic electroluminescent diode material and an application thereof. The organic electroluminescent diode material has a structure represented by a formula I shown in the description, wherein L is selected from substituent containing benzene or substituent containing nitrogenous six-membered rings, and n is 1 or 2. The organic electroluminescent diode material can be applied to the field of organic electroluminescence as a functional layer of a micromolecular organic electroluminescent diode device.
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Paragraph 0057; 0059
(2017/08/24)
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- Organic compound with long afterglow effect as well as preparation method and application of organic compound
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The invention discloses an organic compound with a long afterglow effect as well as a preparation method and application of the organic compound. The organic compound has a structural formula as follows: the formula is shown in the description; 9-phenylcarbazole with n-pi* is used as a basic unit, and a meta-position and a para-position of phenyl are modified; after modification, different 9-phenylcarbazole derivatives are obtained; a test shows that the fluorescence lifetime of the compound can reach 100ms or more. The compound provided by the invention has the characteristics of simple synthesis method, easiness of being purified, adjustable luminescent spectrum, flexibility, no need of doping inorganic rare-earth materials, cheap price, low toxicity and the like, and can be widely to various fields including biological imaging, disease diagnosis, optical counterfeiting prevention and the like.
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Paragraph 0042; 0043; 0044; 0045
(2017/07/21)
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- Bipolar host materials with carbazole and dipyridylamine groups showing high triplet energy for blue phosphorescent organic light emitting diodes
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A series of new bipolar host materials with carbazole and different number of dipyridyl amine groups were synthesized for blue phosphorescent organic light-emitting diodes (PHOLEDs). Especially, we applied dipyridyl amine to control the polarity as well a
- Park, So-Ra,Kim, Su-Mi,Kang, Ji-Ho,Lee, Ji-Hoon,Suh, Min Chul
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p. 217 - 224
(2017/02/26)
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- Polycyclic aromatic compound
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The present invention addresses the problem of providing a novel polycyclic aromatic compound and an organic electroluminescent element using the same. The above problem is solved by providing a novel polycyclic aromatic compound in which a plurality of aromatic rings are connected by boron atoms, oxygen atoms, or the like, thereby increasing the number of options for organic EL element materials, and also solved by providing a superior organic EL element using said novel polycyclic aromatic compound as an organic EL element material.
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Paragraph 0876; 0877; 0878
(2016/10/08)
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- This polycarbazole-phosphine oxide compound and an organic electroluminescence element including (by machine translation)
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The present invention relates to a carbazole-based phosphine oxide compound, and an organic electroluminescent device including the same. According to the present invention, provided are a compound for an organic electroluminescent device which can improve unstable thermal stability and low efficiency characteristics which are the problems of known compounds for an organic electroluminescent device, and particularly, can implement excellent efficiency characteristics in a pure blue phosphorescent device, by using the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device, and the organic electroluminescent device. According to one aspect of the present invention, the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device is provided, and the organic electroluminescent device containing the same which can implement thermal stability and high efficiency characteristics is also provided.
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Paragraph 0163
(2016/10/10)
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- COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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The present invention provides a novel compound capable of improving light-emitting efficiency, stability, and lifespan of an element, an organic electronic element using same and an electronic device thereof.(110) Substrate(120) Positive electrode(130) Hole injection layer(140) Hole transfer layer(141) Buffer layer(150) Light emitting layer(151) Light-emitting assisting layer(160) Electron transfer layer(170) Electron injection layer(180) Negative electrodeCOPYRIGHT KIPO 2016
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- COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT COMPRISING THE SAME AND ELECTRONIC DEVICE THEREOF
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The present invention provides a compound marked as chemical formula 1. Also, an organic electric element comprising a first electrode, a second electrode, and an organic matter layer between the first and second electrodes, and the organic matter layer c
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Paragraph 0124-0126
(2016/10/08)
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- COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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Provided in the present invention are a novel compound which can improve light emitting efficiency, stability, and life, an organic electronic element using the same, and an electronic device thereof. The organic electronic element is characterized by comprising a first electrode; a second electrode; and an organic substance layer located between the first electrode and the second electrode, wherein the compound is contained in the organic substance layer. The organic electronic element is characterized by having the compound contained in at least one layer among a hole injection layer, a hole transfer layer, an light emitting auxiliary layer, or a light emitting layer of an organic substance layer.(140) Hole transfer layer(141) Buffer layer(150) Light emitting layer(151) Auxiliary light emitting layer(160) Electron transfer layer(170) Electron injection layer(180) Negative electrode(130) Hole injection layer(120) Positive electrode(110) SubstrateCOPYRIGHT KIPO 2015
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Paragraph 0146-0148
(2016/10/08)
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- Triphenylene containing host materials with high thermal stability for green phosphorescent organic light emitting diode
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We report series of triphenylene derivatives with good electronic properties for the use as host materials for green phosphorescent organic light emitting diodes (PHOLEDs). We applied highly planar triphenylene moieties which could provide good electron t
- Lee, Nam-Jin,Jeon, Joon Ho,In, Insik,Lee, Ji-Hoon,Suh, Min Chul
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p. 221 - 228
(2013/11/19)
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- Synthesis of novel twisted carbazole-quinoxaline derivatives with 1,3,5-benzene core: Bipolar molecules as hosts for phosphorescent OLEDs
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A series of carbazole/quinoxaline hybrids have been synthesized by classic Ullmann and Pd/Cu-catalyzed Sonogashira coupling reaction. Their photophysical, thermal, and electrochemical properties were investigated. The introduction of electron rich carbazole and electron deficient quinoxaline on to the 1,3,5-benzene center leads to a twisted structure with good glass forming property and imparts a bipolar character. The triplet energies in the range of 2.34-2.53 eV indicate them as potential host materials in phosphorescent OLEDs.
- Ananth Reddy,Thomas, Anup,Mallesham,Sridhar,Jayathirtha Rao,Bhanuprakash
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supporting information; experimental part
p. 6942 - 6947
(2012/02/06)
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- Novel star-shaped host materials for highly efficient solution-processed phosphorescent organic light-emitting diodes
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Two novel star-shaped host materials for solution processed blue phosphorescent organic light-emitting devices, 9-(5′,5?-diphenyl[1, 1′:3′,1″:3″,1?:3?,1-quinquephenyl] -5″-diyl)-9H-carbazole (DQC) and 9,9′-(5′-phenyl[1,1′: 3′,1″-terphenyl]-3,5-diyl)bis-9H-carbazole (PTC), were synthesized by the Suzuki coupling reaction. These compounds both exhibited high glass-transition temperatures (Tg ≥ 128 °C) and excellent film-forming ability. The nonplanar star-shaped configuration of DQC and PTC limited the effective extension of their π-conjugation, leading to the same triplet energy of 2.81 eV. The solution processed single layer devices using DQC and PTC as the host for the phosphorescence emitter iridium(iii) bis(4,6-difluorophenylpyridinato)-picolinate (FIrpic) showed the maximum luminance efficiencies of 9.2 and 12.8 cd A-1, respectively. By introducing a thin 1,3,5-tris(1-phenyl-1H-benzo[d]imidazol-2-yl)benzene (TPBI) electron-transporting and exciton-confining layer, the maximum efficiencies of the solution processed devices based on DQC and PTC were further improved to 21.7 and 25.7 cd A-1 with the maximum external quantum efficiencies up to 9.2% and 11.9%, respectively. Furthermore, the DQC- and PTC-based devices showed significantly high performance compared with the corresponding devices based on 1,3-bis(9-carbazolyl)benzene (mCP).
- Jiang, Wei,Duan, Lian,Qiao, Juan,Zhang, Deqiang,Dong, Guifang,Wang, Liduo,Qiu, Yong
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experimental part
p. 6131 - 6137
(2011/08/06)
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