- Preparation method of 4-bromocarbazole
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The invention discloses a preparation method of 4-bromocarbazole, and belongs to the technical field of chemistry. According to the preparation method of 4-bromocarbazole, o-bromoaniline and m-dibromobenzene are subjected to a C-N coupling and C-C coupling cascade reaction under the action of a catalyst, a ligand and alkali, 4-bromocarbazole is synthesized in one step through a one-pot method, m-dibromobenzene is a reactant and also serves as a reaction solvent at the same time, and residual m-dibromobenzene can be recycled after the reaction is finished. According to the preparation method, o-bromoaniline and m-dibromobenzene, which are cheap and easy to obtain, are used as raw materials, the product 4-bromocarbazole is obtained by one step through a one-pot method cascade reaction, and compared with the prior art, the step of nitro reduction cyclization is avoided, namely the reaction step is shortened, and the preparation method has the advantages of low production cost, environmental friendliness and the like.
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Paragraph 0041-0057; 0060-0063
(2020/12/08)
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- Electron transporting and hole blocking organic material and application thereof in thin-film light-emitting diode
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The invention provides an electron transporting and hole blocking material with an A-D-A link structure as a core. The material is applied to a thin-film semiconductor light-emitting diode, for example, an organic light-emitting diode and a quantum dot thin-film light-emitting diode; and the molecule of the material takes bipolar carbazole and a derivative group thereof as electron donating centers, so a relatively high triplet state energy level can be maintained to ensure exciton blocking capability.
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- 4-bromocarbazole preparation method
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The invention discloses a 4-bromocarbazole preparation method. The method includes: in a reaction bottle, mixing 2-bromo-6-fluoronitrobenzene with aniline, adding triethylamine, starting stirring, performing reflux reaction for 8h, after reaction is finished, adding water to perform quenching reaction, and carrying out suction filtration to obtain brownish red solid namely 2-nitro-3-bromo-1,1'-biphenyl; mixing 2-nitro-3-bromo-1,1'-biphenyl with ethyl alcohol, adding ferric trichloride and activated carbon, starting stirring, dropwise adding 80% hydrazine hydrate, then stirring for 6h under a reflux state, and performing filtering, extracting, layering, washing and distilling to obtain off-white solid namely 2-amino-3-bromo-1,1'-biphenyl. By adoption of cheap and easily-acquirable raw materials, a target compound is obtained through three-step reaction of fluorine nucleophilic substitution, reduction and diazonium cyclization, and the total yield of products is high. In addition, a process is simple in operation, suitable for large-scale production and beneficial to product market competitiveness.
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Paragraph 0053; 0054; 0057
(2019/10/17)
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- Preparation 4 - bromo derivatives thereof and method (by machine translation)
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The invention relates to the field of organic chemical synthesis, discloses a process for preparing 4 - bromo derivatives thereof and of the method, the method comprises: 1) of formula (1) with a compound of the structure shown in formula (2) compound of the structure shown in contact to carry out the condensation reaction, obtains the type (3) the structure shown as the compound; 2) of formula (3) has a structure shown in a cyclization reaction of compound, to obtain 4 - bromo carbazole or its derivatives; wherein in the formula (2) and formula (3) in the, R1 Chlorine, bromine or iodine. The use of the method for preparing the 4 - bromo carbazole and its derivatives, mild reaction conditions, after-treatment and purification is simple, high yield and low cost and the like. (by machine translation)
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Paragraph 0079; 0080; 0083-0086; 0089-0092; 0095-0098; 0101
(2019/05/08)
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- 4-bromo-9H-carbazole synthesizing method
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The invention discloses a 4-bromo-9H-carbazole synthesizing method and belongs to the field of organic synthesis. According to the method, o-chloronitrobenzene is utilized as a starting material, 2,2'-dinitrobiphenyl is synthesized through high-temperature coupling reaction under copper powder catalysis, then 4-nitro carbazole is obtained through triethyl phosphite ring closure reaction, diazoniumsalt is prepared from 4-nitro carbazole through zinc powder reduction and diazotization reaction under the acid condition, and then the diazonium salt reacts with cuprous bromide to synthesize a product of 4-bromo-9H-carbazole. According to the method, the raw materials are easy to obtain, the production cost is low, and the yield can reach 70% or more; the method has easiness in industrial production and provides basis for industrialization of 4-bromo-9H-carbazole and follow-up derivatives of 4-bromo-9H-carbazole.
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Paragraph 0019; 0023; 0024; 0027; 0028; 0031
(2019/02/04)
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- Synthetic method of 4-bromocarbazole
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The invention relates to a synthesis method of 4-bromocarbazole, which belongs to the field of organic synthesis. The method adopts o-chloronitrobenzene as an initial raw material to make high-temperature coupling reaction under the catalysis of copper powder to synthesize 2,2'-dinitrobipheny, then ring closing is performed by virtue of triethyl phosphite to obtain 4-nitrocarbazole, the 4-nitrocarbazole is subjected to reduction and diazotization reaction by virtue of zinc powder under the acidic condition to obtain diazonium salt, and the diazonium salt reacts with cuprous bromide to synthesize the product 4-bromocarbazole. The method adopts the easy-to-obtain raw materials, the production cost is low, the yield is 70 percent or above, the industrialized production is easy to implement, and a foundation is provided for the industrialization of the 4-bromocarbazole and subsequent derivatives thereof.
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Paragraph 0010; 0025; 0028; 0029; 0032; 0033; 0036
(2019/02/04)
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- Design, Synthesis, and Pharmacological Characterization of Carbazole Based Dopamine Agonists as Potential Symptomatic and Neuroprotective Therapeutic Agents for Parkinson's Disease
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We have developed a series of carbazole-derived compounds based on our hybrid D2/D3 agonist template to design multifunctional compounds for the symptomatic and disease-modifying treatment of Parkinson's disease (PD). The lead molecules (-)-11b (D-636), (-)-15a (D-653), and (-)-15c (D-656) exhibited high affinity for both D2 and D3 receptors and in GTPγS functional assay, the compounds showed potent agonist activity at both D2 and D3 receptors (EC50 (GTPγS); D2 = 48.7 nM, D3 = 0.96 nM for 11b, D2 = 0.87 nM, D3 = 0.23 nM for 15a and D2 = 2.29 nM, D3 = 0.22 nM for 15c). In an animal model of PD, the test compounds exhibited potent in vivo activity in reversing hypolocomotion in reserpinized rats with a long duration of action compared to the reference drug ropinirole. In a cellular antioxidant assay, compounds (-)-11b, (-)-15a, and (-)-15c exhibited potent activity in reducing oxidative stress induced by neurotoxin 6-hydroxydopamine (6-OHDA). Also, in a cell-based PD neuroprotection model, these lead compounds significantly increased cell survival from toxicity of 6-OHDA, thereby producing a neuroprotective effect. Additionally, compounds (-)-11b and (-)-15a inhibited aggregation and reduced toxicity of recombinant alpha synuclein protein in a cell based in vitro assay. These observations suggest that the lead carbazole-based dopamine agonists may be promising multifunctional molecules for a viable symptomatic and disease-modifying therapy of PD and should be further investigated.
- Elmabruk, Asma,Das, Banibrata,Yedlapudi, Deepthi,Xu, Liping,Antonio, Tamara,Reith, Maarten E. A.,Dutta, Aloke K.
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p. 396 - 411
(2019/01/24)
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- Condensed fluorene derivative comprising heterocyclic ring
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The present invention relates to a condensed fluorene derivative comprising a heterocyclic ring and, more particularly, to an intermediate product for manufacturing a heterocyclic ring compound which can show excellent luminance and luminous efficiency when used as an organic light emitting material, while exhibiting excellent element characteristics with a long lifespan.COPYRIGHT KIPO 2020
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- Novel anthracene derivatives and organic light-emitting diode therewith
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The present invention relates to an anthracene derivative represented by chemical formula A, and an organic light-emitting device including the same. In the chemical formula A, R_1- R_10, L, M, and n are the same as defined in the present specification. According to the present invention, the organic light-emitting device including the compound in light-emitting layers exhibits long lifespan and high efficiency compared to existing organic light-emitting devices.COPYRIGHT KIPO 2018
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- Blue light emission of new anthracene derivatives produced using optimized side group link positions
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Using an anthracene chromophore as a core group and a phenyl carbazole chromophore as a side group, three new emitters of blue light, 2-DCPA, 3-DCPA and 4-DCPA, were synthesized. The three compounds differed with regard to the position of the carbazole linked to the core, with 2-DCPA and 4-DCPA using carbazole nodes and 3-DCPA using the lobe position. Density functional theory calculations were performed to determine which positions of the carbazole moiety had node characteristics and which had lobe characteristics. The PLmax values of 2-DCPA, 3-DCPA and 4-DCPA in the film state were in the blue region, at 453, 457, and 452 nm, respectively. Of these materials, 3-DCPA, i.e., that with the linkage to the lobe position, showed the highest efficiency, with a value of 2.91 cd/A, and EQE, with a value of 2.65%. In a doped device using CBP as a host material and 3-DCPA as a dopant, the ELmax emission was observed to be in the deep blue region, at 433 nm, and with a CIE value of (0.150, 0.068).
- Kang, Seokwoo,Jung, Hyocheol,Lee, Hayoon,Lee, Suji,Jung, Mina,Lee, Jaehyun,Chul Kim, Young,Park, Jongwook
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p. 369 - 378
(2018/05/09)
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- Method for preparing 4-bromocarbazole
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The invention discloses a method for preparing 4-bromocarbazole and belongs to the field of organic chemical synthesis. The method disclosed by the invention comprises the following steps: (1) carrying out a condensation reaction between 1,3-cyclohexanedione and aniline so as to prepare 3-aniline-cyclohexene-2-one; (2) carrying out a cyclization reaction on the 3-aniline-cyclohexene-2-one so as to prepare 1,2,3,9-tetrahydrocarbazole-4-one; (2) reducing the 1,2,3,9-tetrahydrocarbazole-4-one to prepare 4-hydroxy-1,2,3,9-tetrahydrocarbazole; (4) carrying out a bromination reaction on the 4-hydroxy-1,2,3,9-tetrahydrocarbazole so as to prepare 4-bromo-1,2,3,9-tetrahydrocarbazole; and (5) carrying out a dehydrogenation reaction on the 4-bromo-1,2,3,9-tetrahydrocarbazole to obtain the 4-bromocarbazole. The method disclosed by the invention is cheap and readily available in reaction raw materials, simple in reaction operations, less in side reactions and high in yield; and the prepared 4-bromocarbazole is high in purity, can be applied to the field of OLED (Organic Light Emitting Diode) photoelectric materials, medicines and the like and is an important carbazole intermediate.
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- Organic electroluminescent element and material for organic electroluminescent elements
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An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer. The emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1A). The second host material is a compound represented by a formula (2A).
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- Compound Containing Ring Linked Via Carbazole and Fluorene And Organic Electronic Element Using The Same, Terminal Thereof
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The present invention refers to carbazole ring coupled polyarylenic backbone containing organic compound and formed electrical component, its terminal number under public affairs substrate. (by machine translation)
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- Compound Containing Ring Linked Via Carbazole and Fluorene And Organic Electronic Element Using The Same, Terminal Thereof
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Provided in the present invention are a compound containing a ring formed by bonding carbazole and fluorine, an organic electric element using the same, and a terminal thereof. The compound of the present invention can act various roles in an organic electric element and a terminal. In addition, when being applied to an organic electric element and a terminal, the compound reduces a driving voltage of the element and increases light efficiency, service life, and stability of the element.
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- COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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This invention provides a compound for an organic electroluminescent device and an organic electroluminescent device including the same. This invention provides a compound for an organic EL device, which may have high thermal stability, improved light emission efficiency and lifetime and hole transport capability. Further, when this compound is used as a hole transport layer material in contact with a light emitting layer, thereby increasing a triplet energy, ultimately improving efficiency of the organic EL device and lifetime.
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- Palladium-Catalyzed Intramolecular C–H Amination in Water
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Palladium(II) catalysis was found to be effective for intramolecular C–H amination in water. With 2-azidobiphenyls as substrates, the reaction efficiently provided various carbazoles with N2as the sole byproduct. The reaction showed high functional-group tolerance and could be used in the synthesis of several natural carbazole alkaloids. The catalytic process was promoted by water, and the reaction was inefficient in the organic solvents that were investigated.
- Yang, Lizheng,Li, Hao,Zhang, Haifei,Lu, Hongjian
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p. 5611 - 5615
(2016/12/14)
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- COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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Disclosed is a compound represented by chemical formula 1. Also, disclosed is an organic electronic element comprising a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes the compound represented by chemical formula 1. If the compound represented by chemical formula 1 is included in the organic layer, light emitting efficiency, stability, engineering life, etc. can be improved.(110) Substrate(120) Positive electrode(130) Hole-injection layer(140) Hole transport layer(141) Buffer layer(150) Light emitting layer(151) Light-emitting assisting layer(160) Electron transport layer(170) Electron injection layer(180) Negative electrodeCOPYRIGHT KIPO 2016
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Paragraph 0227; 0230; 0231
(2016/10/07)
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- Iron-Catalyzed Intramolecular C(sp2)-H Amination
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The nucleophilic iron complex Bu4N[Fe(CO)3(NO)] (TBA[Fe]) catalyzes the direct intramolecular C-H amination of α-azidobiaryls and (azidoaryl)alkenes into the corresponding carbazoles and indoles, respectively, under mild conditions and with low catalyst loadings. These features and the broad functional-group tolerance render this method a particularly attractive alternative to established noble-metal-based procedures.
- Alt, Isabel T.,Plietker, Bernd
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p. 1519 - 1522
(2016/02/14)
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- Condensed fluorene derivative comprising heterocyclic ring
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The present invention relates to a condensed fluorene derivative comprising a heterocyclic ring and, more particularly, to an intermediate product for manufacturing a heterocyclic ring compound which can show excellent luminance and luminous efficiency when used as an organic light emitting diode, while having excellent element characteristics with long lifespan. The heterocyclic ring compound of the present invention is represented by chemical formula A and chemical formula B.COPYRIGHT KIPO 2016
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound employed in an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2. In addition, the organic electroluminescent device having excellent light emitting properties such as driving voltage, brightness, long lifespan, and the like is implemented when employing the organic light emitting compound as a phosphorescent host compound inside a hole transport functional layer or a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0439-0441
(2016/10/07)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound used in an electroluminescent device. The electroluminescent compound is represented by the chemical formula 1, and has one or more substituents represented by the structural formula 1 or structural formula 2. The electroluminescent device may be realized with excellent light emitting properties such as a driving voltage, brightness, long lifespan, etc. when the electroluminescent compound is used as a phosphorescent host compound in a hole transporting function layer or a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0356-0359
(2016/10/07)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound applied to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2. The organic electroluminescent device having excellent light emitting properties such as driving voltage, luminance, and long lifespan can be implemented in the case of using the organic light emitting compound as a host compound inside a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0237-0239
(2016/10/10)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound adopted to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2. In the case of adopting the organic light emitting compound as a phosphorescence host compound in a hole transport functional layer or a luminous layer, an organic electroluminescent device having excellent luminous characteristics such as operating voltage, brightness, long lifespan, etc.
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Paragraph 0880-0882
(2016/10/10)
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- NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Disclosed are a compound for an organic electroluminescent device, and an organic electroluminescent device comprising the same. Accordingly, provided is a compound for an organic electroluminescent device, which can be used as a host and a hole transport material having excellent electrical stability and hole transporting capability and improving light emitting efficiency of a phosphorescent material by having a high triplet energy. An organic electroluminescent device is also provided. The compound for an organic electroluminescent device is represented by structural formula 1.COPYRIGHT KIPO 2016
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Paragraph 0100; 0129-0131
(2016/10/27)
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- NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Disclosed are a compound for an organic electroluminescent device and an organic electroluminescent device comprising the same. Accordingly, provided is the compound for an organic electroluminescent device, which is capable of being used as a host and a hole transfer material improving a light emitting efficiency of a phosphorescence emitting material by having excellent electrical stability and hole transfer ability, and having high triplet state energy. Also, the organic electroluminescent device is also provided.COPYRIGHT KIPO 2016
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Paragraph 0359-0361
(2016/11/07)
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- NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Disclosed are a compound for an organic light emitting device and an organic light emitting device comprising the same. To this end, it is possible to provide the compound for the organic light emitting device and the organic light emitting device which can be used as a host and a hole-transport material capable of enhancing a light-emitting efficiency of phosphorescent light-emitting materials by having an outstanding electrical stability, hole-transportability, and a high level of triplet state energy.
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Paragraph 0296-0300
(2020/03/03)
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- Material for organic electroluminescence device and organic electroluminescence device
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A material for organic electroluminescence device having a specific central skeleton to which a cyano-substituted aromatic hydrocarbon group or a cyano-substituted heterocyclic group is bonded at its specific position is described. Further described is an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer include an light emitting layer and at least one layer of the organic thin film layer contains the material for organic electroluminescence device. The material for organic electroluminescence device realizes an organic electroluminescence device with good emission efficiency.
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Page/Page column 136; 137; 157
(2016/05/02)
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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 which can improve light emitting efficiency, stability, and durability of an element, an organic electronic element, and an electronic device thereof. The organic electronic element comprises: a first electrode; a second electrode; and an organic layer located between the first electrode and the second electrode, wherein the compound is included in the organic layer.(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 2015
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Paragraph 0112-0113; 0116-0117
(2016/10/09)
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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 the same, and an electronic device thereof. The organic electronic element comprises a first electrode, a second electrode, and an organic matter layer located between the first electrode and the second electrode, wherein the organic matter layer comprises the compound.(150) Light emitting layer(141) Buffer layer(140) Hole transport layer(130) Hole injection layer(120) Positive electrode(110) Substrate(170) Electron injection layer(160) Electron transport layer(151) Auxiliary light emitting layer(180) Negative electrodeCOPYRIGHT KIPO 2015
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Paragraph 0156; 0159; 0160
(2016/10/08)
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- NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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The present invention relates to a compound for an organic electroluminescent device represented by structure formula 1 or structural formula 2, and the organic electroluminescent device including the same. The present invention is able to provide the compound for an organic electroluminescent device capable of being used as hosts, hole transferring materials, and electron transferring materials, and increasing the luminous efficiency of phosphorescence light emitting materials by having excellent electrical stability and electron and hole transport ability and by exhibiting high triplet state energy; and the organic electroluminescent device.
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- Heterocyclic compound comprising aromatic amine group and organic light-emitting diode including the same
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The present invention relates to a heterocyclic compound comprising an aromatic amine group and an organic light emitting device including the same and, more specifically, to a heterocyclic compound, which has excellent luminance, luminance efficiency, and outstanding long lifespan characteristics when being used as an organic light emitting material. In addition, the present invention further relates to an organic light emitting device including the same.COPYRIGHT KIPO 2016
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- LADDER COMPOUND, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
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A compound represented by the following formula (1). In the formula (1), when Ar1 and Ar2 are the same substituents, as for all of the following pairs: Y1 and Y12, Y2 and Y11, Y3 and Y10, Y4 and Y9, Y5 and Y8, and Y6 and Y7, Y1 to Y12 of each pair are not the same as each other.
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound applied to an organic light emitting device. The organic light emitting compound: is represented by chemical formula 1; includes one or more substituted bodies represented by structural formula 1 or structural formula 2; and is capable of realizing an organic light emitting device having excellent luminous properties such as driving voltage, luminance, a long life and the like in the case of being applied as a phosphorescent host compound in a hole transporting functional layer or an emissive layer.COPYRIGHT KIPO 2016
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Paragraph 0282; 0283
(2016/10/07)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound employed in an organic electroluminescent device, the compound is represented by chemical formula 1, and an organic electroluminescent device having excellent light emitting properties of a driving voltage, luminance, a long lifespan, etc. is implemented when employing the compound as a phosphorescent host compound in a hole transport layer or a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0305-0307
(2016/10/07)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound applied to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1, and when being applied as a phosphorescent host compound in a light emitting layer, provides an organic light emitting device having excellent light emitting properties such as driving voltage, brightness, and long lifespan.
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Paragraph 0183-0186
(2016/10/08)
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- An electroluminescent compound and an electroluminescent device comprising the same
-
The present invention relates to an organic light emitting compound applied to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2, and when being applied as a phosphorescent host compound in a hole transporting functional layer or a light emitting layer, provides an organic electroluminescent device having excellent driving voltage, brightness, and long lifespan.COPYRIGHT KIPO 2016
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Paragraph 0158; 0159; 0160
(2016/10/07)
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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 to improve light emission efficiency and stability of an element and to extend lifespan of the element, an organic electronic element using the same, and an electronic device thereof. The compound is represented by chemical formula 1, wherein m is a constant in the range of zero and four, and n is a constant in the range of zero and three.(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 electrode(130) Hole injection layer(120) Positive electrode(110) SubstrateCOPYRIGHT KIPO 2015
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Paragraph 0135-0139; 0147; 0148; 0243-0247; 0250; 0251
(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 0226; 0227; 0228
(2016/10/08)
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- BISCARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING SAME
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A biscarbazole derivative is represented by the following formula (1). A1 and A2 of the following formula (1) represent an aromatic hydrocarbon group having 6 to 30 ring carbon atoms or an aromatic heterocyclic group having 1 to 30 ring carbon atoms. However, at least one of A1 and A2 represents an aromatic heterocyclic group having 1 to 30 ring carbon atoms. Y1 to Y15 represent CR or a nitrogen atom. One of Y8 to Y11 is C (carbon atom) obtained by removing R from CR. The obtained C is bonded to L3. R each independently represents a hydrogen atom, an aromatic hydrocarbon group or the like. L1 to L3 represent a single bond or a divalent linking group. When L3 is a single bond and is bonded to Y11, L1 and L2 are divalent linking groups.
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- MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT PRODUCED USING SAME
-
A compound represented by the following formula (1): wherein in the formula (1), Ar1 and Ar2 are independently a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or a substituted or unsubstituted alkyl group; X1 to X4 and X13 to X16 are independently CR1, CH or N; one of X5 to X8 is a carbon atom bonding to one of X9 to X12, and at least one of X5 to X8 that is adjacent to the carbon atom bonding to one of X9 to X12 is CR2; one of X9 to X12 is a carbon atom bonding to one of X5 to X8, and X9 to X12 that is adjacent to the carbon atom bonding to one of X5 to X8 is CH or N; and the remaining X5 to X8 and the remaining X9 to X12 are CR1, CH or N.
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Paragraph 0142; 0143
(2014/08/19)
-
- Synthesis of 2- and 4-substituted carbazole derivatives and correlation of substitution position with photophysical properties and device performances of host materials
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A synthetic method to synthesize 4-substituted carbazole derivative was developed to study the effect of substitution position of carbazole on photophysical properties and device performances of host materials. Two high triplet energy host materials with substituents at 2- and 4-positions of carbazole were synthesized by the new synthetic approach. Substitution of electron withdrawing group at 2-position was better than the substitution at 4-position to stabilize energy levels and to improve hole transport properties. However, high glass transition temperature and high quantum efficiency were obtained in the carbazole based host material with substituent at 4-position.
- Kim, Mounggon,Lee, Jun Yeob
-
-
- ORGANIC ELECTRONIC DEVICE, COMPOUNDS FOR SAME, AND TERMINAL
-
Disclosed are an organic electronic device and a compound thereof, and a terminal.
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-
-
- Enantioselective acylation of silyl ketene acetals through fluoride anion-binding catalysis
-
A highly enantioselective acylation of silyl ketene acetals with acyl fluorides has been developed to generate useful α,α-disubstituted butyrolactone products. This transformation is promoted by a new thiourea catalyst and 4-pyrrolidinopyridine and represents the first example of enantioselective thiourea anion-binding catalysis with fluoride.
- Birrell, James A.,Desrosiers, Jean-Nicolas,Jacobsen, Eric N.
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p. 13872 - 13875
(2011/10/09)
-
