2915-16-4Relevant academic research and scientific papers
Utilizing triazine/pyrimidine acceptor and carbazole-triphenylamine donor based bipolar novel host materials for highly luminescent green phosphorescent OLEDs with lower efficiency roll-off
Braveenth, Ramanaskanda,Ahn, Dae Hyun,Han, Ji-Hun,Moon, Ji Su,Kim, Si Woo,Lee, Hyuna,Qiong, Wu,Kwon, Jang Hyuk,Chai, Kyu Yun
, p. 377 - 384 (2018)
In this work, two novel bipolar host materials were designed, synthesized and applied in green phosphorescent based OLEDs. Both the host materials, 4-(2-(4,6-diphenyl-1,3,5-triazin-2-yl)-9H-carbazol-9-yl)-N,N-diphenylaniline (TRZ 1) and 4-(2-(4,6-diphenylpyrimidin-2-yl)-9H-carbazol-9-yl)-N,N-diphenylaniline (PYR 1) exhibited high thermal stability, with decomposition temperatures of 425 °C and 400 °C, respectively. The triplet energy of PYR 1 (2.63 eV) was higher than that of TRZ 1 (2.44 eV), and facilitated suitable energy transfer to the green dopant. The PYR 1 based green device demonstrated an excellent maximum current efficiency of 48.7 cd/A and external quantum efficiency of 16.4%. Interestingly, the green device with PYR 1 showed an outstanding brightness of 95,870 cd/m2, which is three times greater than that of the reference CBP based device (31,370 cd/m2). The bipolar host PYR 1 is a promising material for high luminescent and low efficiency roll off applications, especially for green PhOLEDs.
Design and synthesis of quinoline-pyrimidine inspired hybrids as potential plasmodial inhibitors
Kayamba, Francis,Malimabe, Teboho,Ademola, Idowu Kehinde,Pooe, Ofentse Jacob,Kushwaha, Narva Deshwar,Mahlalela, Mavela,van Zyl, Robyn L.,Gordon, Michelle,Mudau, Pertunia T.,Zininga, Tawanda,Shonhai, Addmore,Nyamori, Vincent O.,Karpoormath, Rajshekhar
, (2021/03/22)
Presently, artemisinin-based combination therapy (ACT) is the first-line therapy of Plasmodium falciparum malaria. With the emergence of malaria parasites that are resistant to ACT, alternative antimalarial therapies are urgently needed. In line with this
Discovery and mechanism of action studies of 4,6-diphenylpyrimidine-2-carbohydrazides as utrophin modulators for the treatment of Duchenne muscular dystrophy
Vuorinen, Aini,Wilkinson, Isabel V.L.,Chatzopoulou, Maria,Edwards, Ben,Squire, Sarah E.,Fairclough, Rebecca J.,Bazan, Noelia Araujo,Milner, Josh A.,Conole, Daniel,Donald, James R.,Shah, Nandini,Willis, Nicky J.,Martínez, R. Fernando,Wilson, Francis X.,Wynne, Graham M.,Davies, Stephen G.,Davies, Kay E.,Russell, Angela J.
supporting information, (2021/05/03)
Duchenne muscular dystrophy is a fatal disease with no cure, caused by lack of the cytoskeletal protein dystrophin. Upregulation of utrophin, a dystrophin paralogue, offers a potential therapy independent of mutation type. The failure of first-in-class utrophin modulator ezutromid/SMT C1100 in Phase II clinical trials necessitates development of compounds with better efficacy, physicochemical and ADME properties and/or complementary mechanisms. We have discovered and performed a preliminary optimisation of a novel class of utrophin modulators using an improved phenotypic screen, where reporter expression is derived from the full genomic context of the utrophin promoter. We further demonstrate through target deconvolution studies, including expression analysis and chemical proteomics, that this compound series operates via a novel mechanism of action, distinct from that of ezutromid.
COMPOUND FOR AN ORGANIC ELECTRIC ELEMENT, AN ORGANIC ELECTRIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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Paragraph 0082-0085, (2021/06/11)
The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic d
Heterocyclic com pounds and organic light-emitting diode including the same
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Paragraph 0195-0201, (2021/07/27)
The present invention relates to a novel heterocyclic compound and an organic light emitting element including the same as a light-emitting material and, more specifically, to a heterocyclic compound having excellent light emission properties, such as a driving voltage, light emission efficiency, and service life, and an organic light emitting element including the same. Since the heterocyclic compound according to the present invention is more stable compared to conventional materials and has the excellent light emission properties for the driving voltage or current efficiency, and service life, the organic light emitting element including the same can be more stably driven in a low-voltage and light emission efficiency can be improved.
Hole transporting material and Organic electroluminescent display device using the same
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Paragraph 0071; 0081-0083, (2021/10/19)
The hole transport material of claim 1, wherein the hole transport material is a hole transport material. Provided are an organic electroluminescent device and an electronic device including the same. Chemical Formula 1. Wherein R is as defined in the specification. The hole transport material has excellent external quantum efficiency, excellent luminous efficiency, brightness, thermal stability, and device lifetime, and can be easily used to produce OLED devices which are stable over a long term.
Aromatic compound and organoelectro luminescent device comprising the compound
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Paragraph 0338-0342; 0350-0355; 0557; 0576-0581, (2020/12/08)
The present invention relates to an aromatic compound denoted by chemical formula 1, and an organic electroluminescent device comprising the compound. The organic electroluminescent device comprising the aromatic compound by the present invention has low driving voltage, and excellent lifetime properties and luminance efficiency.
An organoelectro luminescent compounds and organoelectro luminescent device using the same
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Paragraph 0447-0451; 0458-0462, (2020/12/01)
The present invention relates to an organic electroluminescent compound represented by chemical formula A) to [Chemical Formula C], and an organic electroluminescent device comprising the same. The organic light-emitting compound according to the present invention has low driving voltage and excellent luminous efficiency and lifetime characteristics. [Chemical Formula A] [formula C] [Chemical Formula C] (by machine translation)
Heterocyclic com pounds and organic light-emitting diode including the same
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Paragraph 0494; 0506-0511; 0533-0539, (2021/01/19)
The present invention relates to a novel heterocyclic compound and an organic electroluminescent device comprising the same. The heterocyclic compound is represented by the following Chemical Formula 1, and the organic electroluminescent device including the heterocyclic compound has excellent driving voltage, luminous efficiency, and lifespan properties. Chemical Formula 1. (by machine translation)
ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
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Paragraph 0059-0061, (2020/08/05)
The present invention discloses an organic compound resented by the following formula (1) and an organic electroluminescence device using the organic compound. The organic compound may be for lowering a driving voltage or power consumption or increasing a current efficiency of half-life of the organic electroluminescence device. The same definition as described in the present invention.
