- Aromatic compound and organoelectroluminescent device comprising the compound
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The present invention relates to an aromatic compound and an organic electroluminescent device including the same. The aromatic compound is represented by chemical formula 1, and the organic electroluminescent device is excellent in driving voltage, luminous efficiency and lifetime characteristics.
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- Photoelectric conversion device including organic thin film made of compound having indenocarbazole ring
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The main objective of the present invention is to provide a photoelectric conversion device using a compound having excellent heat resistance and charge transportability, and an image capturing device using the photoelectric conversion device. The present invention provides a photoelectric conversion device comprising an organic thin film containing a compound having an indenocarbazole ring structure represented by the following general formula (1). (In the formula, A represents a single bond, a divalent substituted or unsubstituted aromatic hydrocarbon group, etc.; Ar1, Ar2 and Ar3 each represent a substituted or unsubstituted aromatic hydrocarbon group etc.; R1 to R9 each represent a hydrogen atom or an optionally substituted linear or branched alkyl group having 1-6 carbon atoms; and R10 and R11 each represent an optionally substituted linear or branched alkyl group having 1-6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, etc.).
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Paragraph 0067
(2021/02/05)
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- Compound containing dibenzocycloheptene, and application in organic electroluminescent device
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The invention relates to a compound containing dibenzocycloheptene, and application of the compound to an organic electroluminescent device, wherein the structure of the compound is that a dibenzocycloheptene derivative is connected with a six-membered ri
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- COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
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The present invention provides: a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element; an organic electronic element using the same; and an electronic device thereof. By using the mixture according to the present
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- Aromatic compound and organoelectro luminescent device comprising the compound
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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.
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- Compound taking spirofluorene anthrone as core, preparation method and applications thereof
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The invention relates to a compound taking spirofluorene anthrone as a core, a preparation method and applications thereof, wherein the structure of the compound is formed by linking spirofluorene anthrone to a five-membered ring fused ring structure, and the whole molecule is a large rigid structure and has a high triplet state energy level (T1). According to the invention, the compound is high in structural stereoscopicity, large in steric hindrance and not easy to rotate, so the chemical stability of the material is improved, and the compound has high glass transition temperature and high molecular thermal stability; the HOMO distribution position and the LUMO distribution position of the compound are separated from each other, so that the compound has appropriate HOMO and LUMO energy levels; and with the application of the compound in an OLED device, the light emitting efficiency and the service life of the device can be effectively improved.
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- Boron-containing organic electroluminescent material and application thereof in organic electroluminescent device
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The invention discloses a boron-containing organic electroluminescent material and application thereof in an organic electroluminescent device, the compound comprises boron groups, and the compound has strong group rigidity, and has the characteristics of
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- Compound with carbazole as core, and application thereof in organic light-emitting devices
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The invention relates to a compound with carbazole as a core, and a preparation method and an application thereof. The structure of the compound is characterized in that carbazole is connected with atriphenylamine structure through a carbon-nitrogen bond, and the carbon-nitrogen bond connection avoids exposure of an active position; carbazole is connected with a dibenzo five-membered ring througha carbon-carbon bond, so the chemical stability of the above material is improved; the whole molecule is of a large rigid structure, and has a high triplet state energy level (T1); the compound has alarge steric hindrance, and is not prone to rotate, and the three-dimensional space structure is stable, so the compound has a high glass transition temperature and a high molecular thermal stability; and HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels, thereby the compound can effectively improve theluminous efficiency and the service life of OLEDs when applied to the OLEDs.
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- Heterocyclic com pounds and organic light-emitting diode including the same
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The present invention relates to novel heterocyclic compounds of chemical formula 1 and an organic electroluminescent device containing the same as a light emitting material and, more specifically, to stable heterocyclic compounds with superior light emitting properties such as driving voltage and light emitting efficiency; and an organic electroluminescent device containing the same. Also, the present invention provides an organic electroluminescent device comprising an anode, a cathode, and layers which are inserted between the anode and the cathode and contain the heterocyclic compounds of chemical formula 1.
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- Synthesis method of organic photoelectric material intermediate phenyl indenocarbazole
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The invention discloses a synthesis method of an organic photoelectric material intermediate phenyl indenocarbazole. The process takes o-chloroaniline and dimethyl bromofluorene as raw materials and aromatic hydrocarbon as a solvent to obtain a target product through a one-pot coupling reaction. The synthesis method of the organic photoelectric material intermediate phenyl indenocarbazole simplifies the process operation while the intermediate with high yield is obtained, and thus the raw material cost and the production cost are reduced, the pollution to the environment is reduced, the requirements of industrial scale-up production is met, the process conditions are mild and controllable, the operation is safe, the catalyst consumption is low, the highest yield can reach more than 90%, solvent recovery and application are easy, and equipment consumption and energy consumption are low, so that the method is suitable for large-scale industrial production.
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Paragraph 0030-0034
(2019/07/04)
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- Organic Electroluminescence Device
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The present invention relates to an organic electroluminescence device containing a dopant compound and a host compound in a specific combination. The organic electroluminescence device according to the present invention shows yellowish green luminescence
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Paragraph 0178; 0179; 0182; 0183
(2019/11/29)
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- Organic compound containing 9,9'-spirobifluorene and application of organic compound
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The invention relates to an organic compound containing 9,9'-spirobifluorene. The compound has the general structure formula shown in the general formula (1) in the description, wherein m, n, o or p is equal to 0 or 1, and m, n, o or p is not equal to 0 simultaneously. The compound takes 9,9'-spirobifluorene as a mother nucleus to be connected with symmetric or asymmetrical rigid groups to damagemolecule crystallization and avoid molecule aggregation and has high glass transition temperature, the high film stability can be kept when the material is applied to an OLED (organic light emitting diode) device, and the service life of the OLED device is prolonged.
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- COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
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Disclosed herein is a compound represented by formula (1): A-L-B, wherein: A is a group represented by formula (1-A); B is a group represented by formula (1-B); L is a single bond, a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 50 ring atoms; and L is bonded to one of R1 to R4 of formula (1-A) and R11 to R14 of formula (1-B); in which the groups Q1, Q2, L1, L2, R1-R4, R11-R14, Ra-Rd and Re-Rh defined herein. Also disclosed herein are materials and devices containing the compound represented by formula (1).
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Paragraph 0259-0260
(2018/02/28)
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- Novel hetero-cyclic compound and organic light emitting device comprising the same
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The present invention provides a novel heterocyclic compound and an organic light emitting device using the same. The heterocyclic compound of the present invention is represented by chemical formula 1. The compound represented by chemical formula 1 can be used as a material of an organic material layer of an organic light emitting device, and can improve the efficiency, the driving voltage and/or the lifetime of the organic light emitting device.COPYRIGHT KIPO 2018
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Paragraph 0228; 0229; 0236; 0237
(2018/05/09)
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- Novel compound and organic light-emitting component containing the same
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The invention provides a novel indenocarbazole compound and an organic light-emitting component containing the same.
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Paragraph 0122; 0123; 0128; 0129
(2018/04/28)
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- Benzidine derivative and organic light-emitting diode thereof
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The invention discloses a benzidine derivative and an organic light-emitting diode thereof and relates to the technical field of organic optoelectronic materials. Aromatic amine nitrogen atoms on thebenzidine derivative disclosed by the invention contain lone pair electrons and show good electropositivity; the benzidine derivative disclosed by the invention has a larger conjugation system, thereby having higher hole mobility and showing better hole transport performance. In addition, a substituted group with large volume is also introduced into the benzidine derivative disclosed by the invention, so that the glass temperature and thermal stability of a material are effectively improved, and the material film formation is facilitated. The organic light-emitting diode comprises an anode, acathode and one or more organic matter layers; the organic matter layers are positioned between the anode and the cathode; at least one of the organic matter layers contains the benzidine derivative disclosed by the invention. The organic light-emitting diode disclosed by the invention has lower drive voltage, higher luminous efficiency and luminous brightness and longer service life.
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Paragraph 0126; 0128; 0130
(2018/11/27)
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- An organic semiconductor body material and its organic light-emitting diode application
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The invention relates to an organic light emitting diode (OLED). The OLED is characterized by consisting of a negative pole, a positive pole and an organic semiconductor layer arranged between the negative pole and the positive pole, wherein the organic semiconductor layer comprises an organic light-emitting layer which is prepared from an organic semiconductor main material, and the main material has a general formula as shown in a formula I described in the description; main material is characterized in that an aromatic hybrid fusion ring is connected with a nitrogen atom of a developed quinary aromatic heterocycte indeno-carbazole, so that the charge balance injection and luminescent stability are better improved, and high-stability, high-efficiency and long-life luminescence property can be obtained.
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Paragraph 0075; 0094; 0095
(2018/11/22)
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- A hole injection compound and its organic electroluminescent device
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The invention provides a hole injection compound with the structure represented by formula I. The compound has the advantages of good thermal stability, high luminescence efficiency, high luminescence purity and low driving voltage, can be used for making organic electroluminescence devices, and can be applied in the fields of organic solar cells, organic thin film transistors or organic photoreceptors. The invention also provides an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer, the organic layer includes one or more a luminescent layer, a hole injection layer, a hole transporting layer, an exciton barrier layer and an electron transfer layer, and the organic layer contains at least one layer of the compound of the formula I.
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Paragraph 0056; 0059; 0060
(2018/04/26)
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- NEW COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
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The present specification provides a compound represented by chemical formula 1, and an organic light-emitting device comprising the same. The compound of the present specification may be used as a material for an organic material layer in an organic light-emitting device to improve efficiency, low driving voltage, and lifetime characteristics of the organic light-emitting device. Additionally, the present specification provides an organic light-emitting device which comprises: a first electrode; a second electrode facing the first electrode; and one or more organic material layers disposed between the first electrode and the second electrode, wherein at least one of the organic material layers comprises the compound of the present specification.COPYRIGHT KIPO 2017
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Paragraph 0189; 0190; 0195; 0196
(2018/03/01)
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- ELECTROLUMINESCENCE MATERIAL AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
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The present specification provides an organic electroluminescent material and a device using the same. A compound described in the present specification may be used as a material for an organic material layer in an organic light-emitting device to improve efficiency, low driving voltage, and/or lifetime characteristic of the organic light-emitting device. Additionally, the present specification provides an organic light-emitting device which comprises: a first electrode; a second electrode; and one or more organic material layers disposed between the first electrode and the second electrode, wherein at least one of the organic material layers comprises a compound of chemical formula 1.COPYRIGHT KIPO 2017
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Paragraph 0267; 0269; 0274; 0275
(2018/02/10)
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- A compound based on carbazole derivatives
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The invention discloses a compound based on a carbazole derivative. The compound has a structural formula I shown in the specification. The compound based on the carbazole derivative can be used for manufacturing an organic electroluminescence device and has the characteristic of high stability.
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Paragraph 0065; 0066; 0073; 0074
(2017/08/04)
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- A anthracene organic electroluminescent compounds and organic electroluminescent device
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The invention provides an organic electroluminescent anthracene compound as shown in the structural formula I. The compound is relatively good in thermal stability, high in luminous efficiency and high in luminous purity, can be used for manufacturing organic electroluminescent devices, and is applied to the fields of organic solar cells, organic thin film transistors or organic photoreceptors. The invention also provides an organic electroluminescent device comprising an anode, a cathode and an organic layer, wherein the organic layer contains one or more than one selected from a luminous layer, a hole injection layer, a hole transmission layer, a hole blocking layer, an electron injection layer and an electron transmission layer, and at least one layer in the organic layer contains the compound as shown in the structural formula I.
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Paragraph 0056; 0059-0060
(2018/03/13)
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- Organic compound, and Organic light emitting diode and Organic light emitting diode display device including the same
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Provided is an organic compound which has a core with a heterocyclic structure including at least two nitrogen, and also ensures high luminous efficiency. The organic compound can be used as a common host for light-emitting material layers, electron transfer layers, and an electrode injection layers, thereby simplifying production processes for organic light-emitting diodes and organic light-emitting diode devices, and ensuring high luminous efficiency with low driving voltage.COPYRIGHT KIPO 2017
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Paragraph 0184; 0189-0192
(2018/01/09)
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- COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
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A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.
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Paragraph 0343; 0346
(2016/06/06)
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- A COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND
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The present invention relates to a specific combination of dopant compounds and host compounds. By using a combination of the dopant and host compounds according to the present invention, an organic electroluminescent device has improved current efficiency compared with conventional light-emitting material, and thus has improved power efficiency at a low driving voltage.
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Paragraph 0058-0059
(2016/10/08)
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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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Paragraph 0112
(2015/04/15)
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- The host compound and a new combination and dopant compd. organic electroluminescence device including 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 emits yellow-green light; lowers
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Paragraph 0170-0171; 0174-0175
(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 comprising the same. The organic electroluminescent compound according to the present invention is better in luminous efficiency and lifespan characteristics compared to conventional materials. Using the compounds of the present invention, it is possible to manufacture an OLED device with a long operational lifespan. In addition, the compounds can improve the power efficiency of the device to reduce overall power consumption.
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- COMPOUND HAVING INDENOCARBAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT ELEMENT
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An organic compound with excellent characteristics excelling in hole-injecting/transporting performance and having electron blocking ability, high stability in a thin-film state and high luminous efficiency is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (1) having an indenocarbazole ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.
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Paragraph 0193
(2013/06/27)
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- NOVEL ORGANIC ELECTROLUMINESCENCE COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
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The present invention relates to a novel organic luminescent compound and an organic electroluminescence device containing the same. The compounds according to the present invention have high luminous efficiency and long operation lifetime. Therefore, they can produce an organic electroluminescent device which improves power consumption.
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Paragraph 90; 93; 94
(2013/03/26)
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- NOVEL ORGANIC ELECTROLUMINESCENCE COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
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The present invention relates to novel organic electroluminescence compounds and an organic electroluminescence device containing the same. The compounds according to the present invention have high luminous efficiency and long operation lifetime. Therefore, they can produce an organic electroluminescence device having enhanced power consumption efficiency.
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Paragraph 95; 98; 99
(2013/03/26)
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- NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
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Organic electroluminescent compounds comprising a triphenylene conjugated to a five-ring fused heterocyclic system, as depicted in formula 1 are provided. Also provided is an organic electroluminescent device comprising these compounds. The organic electroluminescent compounds disclosed herein exhibit good luminous efficiency and excellent material life. They can be used to manufacture OLED devices very superior in terms of operating life and which consume less power due to improved power efficiency.
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Page/Page column 28
(2012/04/10)
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- NOVEL COMPOUNDS FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
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Provided are novel compounds in accordance with Formula I for an organic electronic material and an organic electroluminescent device using same. The compound for an organic electronic material disclosed herein exhibits high electron transport efficiency and thus prevents crystallization upon manufacturing a device, and also facilitates the formation of a layer, thus improving current properties of the device. Thereby, OLED devices having improved power efficiency as well as reduced operating voltage can be manufactured. Formula (I)
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Page/Page column 16
(2012/05/04)
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