- Organic compound comprising boron and organic electroluminescent device comprising the same
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The present invention relates to an organic material comprising a boron atom and an organic electroluminescent device using the same. The organic electroluminescent device of the present invention can obtain light of short wavelengths with high efficiency and can lower the driving voltage.COPYRIGHT KIPO 2020
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Paragraph 0482; 0486; 0487
(2019/12/03)
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- Novel green-ray host compound and preparation method and application thereof
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A novel carbazole derivative is a perssad which is used for connecting Ar1 and Ar2 of ether structures in a carbazole compound and improving the three-dimensional performance of the carbazole compound. According to a novel green-ray host compound and a preparation method and application of the novel green-ray host compound, disclosed by the invention, the luminous wave length is easily adjusted while a three-dimensional effect of the carbazole compound is formed by introducing an ether compound, and a new derivative, which is used for increasing the luminous efficiency of a device and prolonging the service life of the device, of the carbazole compound is provided; the device which is made by using the new carbazole derivative has the advantages of high luminance, excellent heat resistance, long service life, high efficiency and the like.
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Paragraph 0035; 0036; 0037
(2016/10/08)
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- NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
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The present invention relates to a novel organic electroluminescent compound and an organic electroluminescent device using the same. Said organic luminescent compound provides an organic electroluminescent device which has high luminous efficiency and a long operation lifetime and requires a low driving voltage improving power efficiency and power consumption.
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- AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME
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An aromatic amine derivative with a specific structure having a carbazole skeleton to which a diarylamino group bonds via a bonding group. An organic electroluminescence device which is composed of one or more organic thin film layers including at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers contains the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices with enhanced efficiency of light emission and a compound realizing the devices are provided.
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Page/Page column 41
(2009/08/16)
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