5154-63-2Relevant academic research and scientific papers
Synthesis method of 2-chloro-4-phenylbenzoquinazoline
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, (2020/07/24)
The invention discloses a synthesis method of 2-chloro-4-phenylbenzoquinazoline, and belongs to the field of organic chemical synthesis. In the synthesis method, 1-tetralone, benzaldehyde and urea areused as raw materials, and thereby the 2-chloro-4-phenylbenzoquinazoline is obtained through three steps of reaction of bigeminy reaction ring closing, oxidation and chlorination. The method has theadvantages of low requirements on equipment and reaction conditions, accessible raw materials, low cost and short process period, and can greatly enhance the synthesis efficiency and economic benefit.
An electroluminescent compound and an electroluminescent device comprising the same
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Paragraph 0451; 0470-0475; 0541; 0554-0559, (2021/01/30)
The present invention relates to an organic light emitting compound represented by chemical formula 1 and an organic electroluminescent device including the same, and the organic light emitting compound according to the present invention has excellent luminous efficiency and material lifetime properties, and thus, the organic electroluminescent device having excellent luminous efficiency while having power efficiency and long durability can be manufactured. Chemical formula 1.
Heterocyclic compounds and organic light-emitting diode including the same
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Paragraph 0692; 0699-0704, (2020/06/20)
The present invention relates to a novel heterocyclic compound and an organic electroluminescent device including the same as a light emitting material, particularly a heterocyclic compound denoted by chemical formula 1, and an organic electroluminescent device having excellent luminance properties including driving voltage and luminance efficiency.
An organoelectro luminescent compounds and organoelectro luminescent device using the same
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Paragraph 0253; 0258-0261, (2020/11/03)
The present invention relates to an organic light emitting compound represented by Formula I or Formula III, and an organic electroluminescent device including the same. The organic light-emitting compound according to the present invention has excellent brightness and luminous efficiency, and can be driven at a low voltage and has improved power efficiency. A compound of the formula I: No.No. STRIII No.No. wherein X represents a hydrogen atom or a methyl group. (by machine translation)
Aromatic compound and organoelectro luminescent device comprising the compound
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Paragraph 0731; 0738-0743, (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.
Heterocyclic compounds and organic light-emitting diode including the same
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Paragraph 0600; 0607-0612, (2020/12/11)
The present invention relates to a heterocyclic compound represented by [Chemical Formula 1] below and an organic light-emitting diode including the same. The organic light-emitting diode according to the present invention is excellent in view of luminous characteristics such as driving voltage, lifespan, and efficiency. [Chemical Formula 1].
An organoelectro luminescent compounds and organoelectro luminescent device using the same
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Paragraph 0256; 0261-0264, (2021/01/06)
The present invention relates to an organic light emitting compound represented by chemical formula I to III, and to an organic electroluminescent device including the same. According to the present invention, the organic electroluminescent device including the organic light emitting compound uses low driving voltages and has excellent efficiency of light emission.
An organoelectroluminescent compounds and organoelectroluminescent device using the same
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Paragraph 0283; 0288-0291, (2021/01/07)
The present invention relates to an organic electroluminescent compound represented by chemical formula 1 and an organic electroluminescent device comprising the same. The organic light-emitting compound according to the present invention has excellent brightness and luminous efficiency, and can be driven at a low voltage and has improved power efficiency. Chemical Formula 1. (by machine translation)
Heterocyclic compounds and organic light-emitting diode including the same
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Paragraph 0549; 0556-0561, (2021/01/29)
The present invention relates to a new heterocyclic compound, and an organic electroluminescent device including the same as a light emitting material, specifically a heterocyclic compound denoted by chemical formula 1, and an organic electroluminescent device having excellent luminance properties including driving voltage and luminance efficiency.
Aromatic compound and organoelectro luminescent device comprising the compound
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Paragraph 0460; 0467-0472, (2021/02/02)
The present invention relates to an aromatic compound represented by chemical formula 1 and an organic electroluminescent device comprising the same. The organic electroluminescent device comprising the aromatic compound according to the present invention has a low driving voltage and excellent luminous efficiency.
