- Novel combination of host compound and dopant compound and organic electroluminescence device comprising same
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The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device ofthe present invention emits yellow-green light; lowers the driving voltage of the device by improving the current characteristic of the device; and improves power efficiency and operational lifespan.
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Paragraph 0148-0150
(2019/12/10)
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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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- ORGANIC ELECTRONIC ELEMENT USING A COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, AND AN ELECTRONIC DEVICE THEREOF
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Provided in the present invention is an organic electric element comprising a first electrode, a second electrode, and an organic layer located between the first electrode and the second electrode, and including at least one light emitting layer. A dopant
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Paragraph 0208-0211
(2016/10/10)
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- Organic electroluminescent device employing organic light emitting compound as light emitting material
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Provided is an organic electroluminescent device that exhibits an efficient host-dopant energy transfer mechanism, and thus, expresses a certain high-efficiency electroluminescent performance, based on improved electron density distribution. The organic electroluminescent device also overcomes low initial efficiency and short operation life property, and secures high-performance electroluminescent performance with high efficiency and long life property for each color.
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- COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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The present disclosure relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the combination. By comprising the combination of the present disclosure, the organic electroluminescent device showing excellence in luminous efficiency, power efficiency, and color purity, low driving voltage, and good lifespan can be provided.
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Paragraph 172-174
(2015/05/05)
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- A NOVEL COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME
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The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present invention provides the advantages of excellent luminous characteristics with lower driving voltages, compared to devices using conventional luminescent materials.
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Paragraph 167; 168; 170; 171
(2014/01/17)
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