- Triazinyl derivative organic electron transport material as well as preparation method and application thereof
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The invention belongs to the technical field of organic photoelectric functional materials, and discloses a triazinyl derivative organic electron transport material as well as a preparation method andapplication thereof. The triazinyl derivative organic electron transport material is more than one material represented by a formula I or a formula II. The invention also discloses a preparation method of the triazinyl derivative organic electron transport material. The method disclosed by the invention is simple and easy to purify, the influence of a halogen intermediate on the stability of thedevice is easy to eliminate, and meanwhile, the material disclosed by the invention has good electron transport performance, high thermal stability and high glass-transition temperature; and meanwhile, the material has high stability in an OLED phosphorescent device. The organic electron transport material is used for preparing photoelectric devices such as organic electroluminescence devices andthe like.
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- Asymmetrically substituted anthryl derivative as well as preparation and application thereof
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The invention belongs to the technical field of organic electron transport materials, and discloses an asymmetrically substituted anthryl derivative as well as preparation and application thereof. Theasymmetrically substituted anthryl derivative is one of the following compounds (as shown in the specification). The invention also discloses a preparation method of the asymmetrically substituted anthryl derivative. An organic electron transport material comprises more than one of the asymmetric substituted anthryl derivatives. An n-type doped electron transport layer is obtained by carrying outn-type doping on the organic electron transport material. The organic electron transport material has the advantages of good solubility, high thermal decomposition temperature, high glass transitiontemperature and the like, and the electron transport layer formed through n-type doping is applied to electroluminescent devices, especially red phosphorescent devices, and has high stability.
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- Asymmetrically-substituted soluble pyridine derivatives, preparation thereof, n-doped electron transport layer and application of n-doped electron transport layer
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The invention belongs to the technical field of organic small molecule functional materials, and discloses asymmetrically-substituted soluble pyridine derivatives, preparation thereof, a n-doped electron transport layer and application of the n-doped electron transport layer. The asymmetrically-substituted soluble pyridine derivatives are one or more shown in a formula I or a formula II. The invention also discloses a preparation method of the asymmetrically-substituted soluble pyridine derivatives. The asymmetrically-substituted soluble pyridine derivatives can be applied to preparation of anorganic electron transporting material. The organic electron transporting material includes one or more of the asymmetrically-substituted soluble pyridine derivatives. The n-doped electron transportlayer is obtained through n-doping of the organic electron transporting material. The organic electron transporting material has high electron mobility, the electron transport layer is formed throughn-doping, and can be applied to an organic electroluminescent device, and high luminous efficiency and high stability are achieved; and the n-doped electron transport layer can be applied to the organic electroluminescent device.
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- Organic Electronic Device
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The present invention relates to an organic electronic device, comprising a first electrode (11), a second electrode (14), and, between the first and the second electrode, a substantially organic layer (13) comprising a heterocyclic compound bearing at least one lithoxy group and containing at least one heterocyclic ring comprising a phosphine oxide group directly bound to three carbon atoms; a compound for use in such an organic electronic device and to a semiconducting material comprising the respective compound.
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Paragraph 0090; 0092; 0093; 0095-0106
(2018/12/02)
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- ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
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An organometallic compound represented by Formula 1: [in-line-formulae]M(L1)n1(L2)n2??Formula 1[/in-line-formulae]wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.
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Paragraph 0286; 0287; 0288
(2016/08/29)
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- Phosphoryl substituted Fluoranthene derivatives and organic electroluminescent device including the same
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Provided are phosphoryl group bonded fluoranthene derivatives represented by chemical formula 1. In chemical formula 1, the definition of each substituent group is the same as described in the specification. The fluoranthene derivatives have excellent current density and durability in comparison to a conventional material, and can be used to an organic electroluminescent device, thereby lowering the driving voltage and improving luminous efficiency while extending the lifespan.
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Paragraph 0083-0085
(2016/11/28)
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- Phosphoryl substituted triazine derivatives and organic electroluminescent device including the same
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Provided is triazine derivative bonded with a phosphoryl group. The trazine derivative is represented by chemical formula 1. In chemical formula 1, the definition of each substituent group is as same as in the specification. Provided are novel triazine derivative having excellent current density and durability in comparison to a conventional material, and an organic electroluminescent device comprising the same. The organic electroluminescent device has low operating voltage and improved luminescence efficiency while having long lifespan.(AA) Negative electrode(BB) Electron injection layer(CC) Electron transport layer(DD) Light emitting layer(EE) Hole transport layer(FF) Hole injection layer(GG) Positive electrodeCOPYRIGHT KIPO 2016
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Paragraph 0088-0090
(2016/12/01)
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- Phosphoryl substituted triazine derivatives and organic electroluminescent device including the same
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The present invention relates to phosphoryl group bonded triazine derivatives represented by chemical formulas 1 and 2. In the chemical formulas 1 and 2, the definitions of the substituent groups are the same as defined in the specification. The triazine derivative has excellent current density and durability in comparison to a conventional material. The organic electroluminescent device has a lowered driving voltage, improved luminous efficiency, and extended lifespan.COPYRIGHT KIPO 2016
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Paragraph 0080-0082
(2017/01/02)
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- Phosphoryl substituted triazine derivatives and organic electroluminescent device including the same
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The present invention relates to phosphoryl group bonded triazine derivatives represented by chemical formulas 1 and 2. In the chemical formulas 1 and 2, the definitions of the substituent groups are the same as defined in the specification. The triazine derivatives have excellent current density and durability in comparison to a conventional material. The organic electroluminescent device has reduced driving voltage, improved luminous efficiency, and extended lifespan.COPYRIGHT KIPO 2016
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Paragraph 0093-0095
(2017/01/26)
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- Organic molecule electron transmission material with high triplet level and preparing method and application thereof
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The invention discloses an organic molecule electron transmission material with a high triplet level. Electrophilic n-heterocyclic and diphenylphosphine oxide are introduced at the same time, aryl or fused ring aryl is connected with functional groups at
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- Semiconducting Material Comprising a Phosphine Oxide Matrix and Metal Salt
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The disclosure refers to a semiconducting material comprising a phosphorous-containing compound and at least one lithium complex Also provided are electronic devices comprising a cathode, an anode and the semiconducting material comprising a phosphorous-containing compound arranged between the cathode and the anode. Furthermore, a compound and an electronic device are disclosed.
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Paragraph 0087; 0088; 0091-0102;0115-0126
(2016/08/17)
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- Highly efficient yellow phosphorescent organic light-emitting diodes with novel phosphine oxide-based bipolar host materials
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Two bipolar host materials, (4-((4-(naphthalen-1-yl(phenyl)amino)naphthalen-1-yl)(phenyl)amino)phenyl)diphenylphosphine oxide (POpN) and (3-((4-(naphthalen-1-yl(phenyl)amino)naphthalen-1-yl)(phenyl)amino)phenyl)diphenylphosphine oxide (POmN), comprising a hole-transporting N1-(naphthalen-1-yl)-N1,N4-diphenylnaphthalene-1,4-diamine (NPNA2) donor and an electron-transporting phosphine oxide (PO) acceptor at different positions of the phenyl bridge have been synthesized. POpN (glass transition temperature Tg = 119 °C) and POmN (Tg = 115 °C) exhibit high morphological stability. Two yellow phosphorescent organic light-emitting diodes (PhOLEDs, ITO (indium tin oxide)/TAPC (1,1-bis[4-(di-p-tolylamino)phenyl]cyclohexane, 40 nm)/POpN or POmN: Ir(bt)2(acac) (bis(2-phenylbenzothiozolato-N,C2′)iridium(acetylacetonate), 15 wt%, 20 nm)/TmPyPB (1,3,5-tri(m-pyrid-3-yl-phenyl)benzene, 40 nm)/LiF (1 nm)/Al (100 nm)) exhibit maximum luminances (Lmax) of 82:057 and 78:385 cd m-2, maximum current efficiencies (ηc,max) of 68.28 and 44.95 cd A-1, respectively, with low efficiency roll-off.
- Zhang, Song,Xu, Qiu-Lei,Xia, Jing-Cheng,Jing, Yi-Ming,Zheng, You-Xuan,Zuo, Jing-Lin
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p. 11540 - 11547
(2015/11/11)
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