- Carbazole-based compound and organic light emitting diode comprising the same
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A carbazole-based compound is represented by Formula 1 and may be used in the organic layer of an organic light-emitting diode. An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first and second electrodes. The organic layer includes an emission layer, and the carbazole-based compound of Formula 1 may be included in the emission.
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Paragraph 0186-0190
(2020/10/19)
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- Benzfluorene derivative and organic light-emitting device containing same
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The invention provides a benzfluorene derivative and an organic light-emitting device containing the same, and relates to the technical field of organic optoelectronic materials. According to the benzfluorene derivative and the organic light-emitting device containing the same, by connecting a substituted or unsubstituted aromatic-ring condensed imidazole derivative and aromatic-ring condensed oxazole derivative onto a benzfluorene main body, the benzfluorene derivative is obtained. The benzfluorene derivative has certain electron transportation capability, is beneficial to compounding of holes and electrons in a light-emitting layer and has good stability and high light-emitting efficiency, synthesis is simple and easy to operate, and the benzfluorene derivative can be applied to the organic light-emitting device as a light-emitting layer doped material, so that the problems can be effectively solved that in the organic light-emitting device, a blue light-emitting material is low in light-emitting efficiency and short in service life, and the organic light-emitting device containing the same has the advantages of being high in light-emitting efficiency and long in service life.
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Paragraph 0059; 0061
(2018/11/22)
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- Benzfluorene derivative and organic electroluminescence device containing same
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The invention provides a benzfluorene derivative and an organic electroluminescence device containing the same, and relates to the technical field of organic optoelectronic materials. According to thebenzfluorene derivative and the organic electroluminescence device containing the same, by connecting a substituted or unsubstituted aromatic-ring condensed imidazole derivative onto a benzfluorene main body, the benzfluorene derivative is obtained. The benzfluorene derivative has certain electron transportation capability, is beneficial to compounding of holes and electrons in a luminescent layer and has good stability and high luminescent efficiency, synthesis is simple and easy to operate, and the benzfluorene derivative can be applied to the organic electroluminescence device as a luminescent layer doped material so that the problems can be effectively solved that in the organic electroluminescence device, a blue luminescent material is low in luminescent efficiency and short in service life, and the organic electroluminescence device containing the same has the advantages of being high in luminescent efficiency and long in service life.
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Paragraph 0056-0058
(2018/11/22)
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- Benzfluorene-containing compound and organic light-emitting device thereof
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The invention provides a benzfluorene-containing compound and an organic light-emitting device thereof, and relates to the technical field of organic optoelectronic materials. A benzfluorene body is connected with arylamine, substituted or non-substituted aromatic nucleus fused imidazole and oxazole derivatives to obtain the benzfluorene-containing compound which is a bipolar transmission material. The benzfluorene-containing compound is beneficial to compounding of cavities and electrons on light emitting layers, has high stability and light emission efficiency, synthesis is simple and easy to operate, and can be applied to the organic light-emitting device to serve as a light emission layer doping material, effectively solving the problems of low light emission efficiency and short service life of blue light-emitting materials in the organic light emitting device. The organic light-emitting device of the benzfluorene-containing compound has the advantages of high light emission efficiency and long service life.
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Paragraph 0076; 0077; 0078
(2018/12/02)
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- Benzo-fluorene containing compound and organic electroluminescence device thereof
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The invention provides a benzo-fluorene containing compound and an organic electroluminescence device thereof and relates to the technical field of organic optoelectronic materials. The benzo-fluorenecontaining compound is prepared by connecting a benzo-fluorene main body with arylamine and substituted or unsubstituted aromatic ring condensed imidazole derivative, is a bipolar transmission material, is beneficial to compounding of holes and electrons on a light emission layer, has good stability and light emission efficiency, is simple in synthesis and easy to operate, can be applied to an organic electroluminescence device as a light emission layer doping material and is capable of effectively solving the problems that a blue light emission material in an organic light emission device islow in light emission efficiency and short in service life, and the organic electroluminescence device has the advantages of being high in light emission efficiency and long in service life.
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Paragraph 0073; 0074; 0075
(2018/11/27)
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- A kind of organic compound and its use this organic compound electroluminescent device
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The invention relates to an organic compound. The organic compound has a structure represented in a formula I, wherein R1, R2 and R3 are independently selected from hydrogen atom, substituted or non-substituted C1-C30 alkyl, substituted or non-substituted C1-C30 naphthenic base, substituted or non-substituted C1-C30 alkoxy, substituted or non-substituted C6-C30 aryl, substituted or non-substituted C6-C30 aryloxy, substituted or non-substituted C6-C30 arylamine, substituted or non-substituted C2-C30 heterocyclic ring, substituted or non-substituted C6-C30 condensed polycyclic group, hydroxyl, cyano group and substituted or non-substituted amino, respectively. Furthermore, the invention relates to an electroluminescent device, wherein the electroluminescent device comprises a hole injection layer and/or a hole transport layer using at least one of the compounds.
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Paragraph 0035-0039;0040
(2016/10/08)
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- Using this new organoelectroluminescent compound and an organic electroluminescence element
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Disclosed are novel organic electroluminescent compounds and organic electroluminescent devices comprising the same. With good luminous efficiency and excellent color purity and life property, the organic electroluminescent compounds according to the inve
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Paragraph 0043
(2016/10/08)
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- ORGANIC ELECTROLUMINESCENCE ELEMENT
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The present invention provides an amine compound represented by formula (1) and furnished with a benzofluorene structure, the amine compound further having a dibenzofuran structure and/or a dibenzothiophene structure. The present invention also provides a
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Paragraph 0415; 0417; 0422; 0423
(2016/10/10)
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- MATERIALS FOR ELECTRONIC DEVICES
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The present application relates to a compound of a formula (I), which is suitable for use as functional material in an electronic device, in particular as emitter material in an organic electroluminescent device.
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Paragraph 0186-0190; 0196; 0197
(2016/10/07)
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- The compound for electronic device
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The present invention relates to compounds which are suitable for use in electronic devices, preferably organic electroluminescent devices.
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- Compounds for Electronic Devices
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The present invention relates to compounds which are suitable for use in electronic devices, preferably organic electroluminescent devices.
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- NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
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Provided are novel organic electroluminescent compounds and an organic electroluminescent device using the same. Because the organic electroluminescent device using the organic electroluminescent compound as a hole transport material or a hole injection material exhibits good luminous efficiency and excellent lifetime properties, it is used to manufacture OLED devices having superior operating lifetime and consuming less power due to improved power efficiency.
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Page/Page column 25
(2012/02/13)
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- BENZOFLUORENE COMPOUND AND USE THEREOF
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A novel material having high hole-transporting ability and a high glass transition temperature and having long-lasting durability is obtained. A benzofluorene compound represented by formula (1) is used. (In the formula, M is a substituted or unsubstituted aryl group having 6-40 carbon atoms or a substituted or unsubstituted heteroaryl group having 5-40 carbon atoms; Ar1 to Ar4 each independently is a substituted or unsubstituted aryl group having 6-40 carbon atoms or a substituted or unsubstituted heteroaryl group having 5-40 carbon atoms, provided that at least one of Ar1 to Ar4 is a substituent represented by any of the following formulae (2) to (5); and p is an integer of 0-2.) (In the formulae, R1 to R4 each independently is a hydrogen atom, a halogen atom, a substituted or unsubstituted amino group, a linear, branched, or cyclic alkyl group, a linear, branched, or cyclic alkoxy group, a substituted or unsubstituted aryl group having 6-40 carbon atoms, or a substituted or unsubstituted aryloxy group having 6-40 carbon atoms, provided that R1 and R2 may be bonded to each other to form a ring.)
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Page/Page column 27; 28
(2009/01/24)
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