- Organic Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device
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A novel organic compound having an emission spectrum peak at a wavelength longer than 850 nm and an absorption spectrum peak at a wavelength longer than 600 nm is provided. The organic compound is represented by General Formula (G1). In General Formula (G
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Paragraph 0314-0315
(2021/01/25)
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- Nitrogen-containing compound, organic electroluminescent device, and electronic device
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The invention provides a nitrogen-containing compound, an organic electroluminescent device and an electronic device, and belongs to the technical field of organic materials. The structure of the nitrogen-containing compound is represented by Chemical Formula 1: wherein X1, X2, Y1, Y2 are the same or different from each other and are each independently a single bond, O, S, N(R3), C(R4R5), Ge(R6R7), Si(R8R9), Se, wherein X1 and Y1 are not single bonds simultaneously and X2 and Y2 are not single bonds simultaneously.
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Paragraph 0111-0115; 0118
(2021/01/24)
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- ORGANIC ELECTROLUMINESCENCE DEVICE AND AMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
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An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes an amine compound, the amine compound includes a central nitrogen atom, a carbazole group substituted to the central nitrogen atom, and a dibenzoselenophene group substituted to the central nitrogen atom, and a nitrogen atom of the carbazole group is substituted with a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group. The organic electroluminescence device thereby has high efficiency and long-life.
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Paragraph 0137-0138; 0157; 0158
(2021/06/11)
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- Diamine derivative and organic electroluminescent device thereof
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The invention provides a diamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescent materials. The diamine derivative represented by Formula 1 contains 9 -fluorene-substituted carbazole functional group, and the hole transport region or cover layer of the organic electroluminescent device of the present invention contains the carbazole derivative of Formula 1. The diamine derivative represented by the formula 1 has better hole transport performance and stability, and the prepared organic electroluminescent device containing the diamine derivative of the formula 1 in the prepared hole transport region exhibits high luminous efficiency. A longer service life and is a lower driving voltage. In addition, the diamine derivative of the formula 1 is also a better cover layer material; the prepared cover layer contains the diamine derivative of the formula 1; the organic electroluminescent device has high luminous efficiency and long service life.
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Paragraph 0121-0122; 0128-0129; 0158-0160
(2021/12/07)
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- ORGANIC ELECTROLUMINESCENCE DEVICE AND MONOAMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
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An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes a monoamine compoun
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Paragraph 0130-0131
(2020/10/10)
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- Heterocyclic compounds and organic light-emitting diode including the same
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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.
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Paragraph 0437; 0444-0449; 0563-0569
(2020/06/20)
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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 relates to a device for emitting light. Provided are a novel mixture capable of improving stability and longevity, an organic electronic element using the same, and an electronic device thereof. (by machine translation)
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Paragraph 0335; 0437-0443; 0451
(2020/08/28)
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- Benzo-biheterocycle compound, display panel and display device
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The invention provides a benzo-biheterocycle compound with a structure shown as formula (I), wherein Y1 and Y2 respectively are oxygen or sulfur atoms; Ar1 and Ar2 respectively are single-bond, substituted or unsubstituted phenyl group, substituted or unsubstituted naphthyl, substituted or unsubstituted anthryl, substituted or unsubstituted phenanthryl, substituted or unsubstituted acenaphthyleneand substituted or unsubstituted heteroaromatic ring; m and n respectively are 0 or 1; D1 and D2 respectively are aryl and heteroaryl; Ar3 and Ar4 respectively are aryl and heteroaryl; R1 is hydrogenatom, phenyl and naphthyl. According to the invention, benzene ring of benzo-biheterocycle is modified; the introduction of thiophene or furan unit is capable of effectively promoting refractive index; thiophene or furan unit is not located on a main conjugated chain and is impossible to effectively expand conjugation or cause red shift of compound absorption spectrum, so that the absorption of the compound in visible region is lower; when the benzo-biheterocycle compound provided by the invention is used as a material of a cathode cap layer, light emitting of OLED (Organic Light Emitting Diode) is not interfered and the OLED can maintain higher color purity.
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- Benzoheterocyclic compound, display panel and display device
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The invention provides a benzoheterocyclic compound. The benzoheterocyclic compound has a structure represented by formula (I); and in the formula, R1 is any one of hydrogen atom, a C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a naphthyl gro
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- Compound, light extraction material, organic photo-electric device and electronic device
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The invention relates to a compound, a light extraction material, an organic photo-electric device and an electronic device. The compound has a structure represented by a formula (I), the index of refraction can be effectively increased by a dibenzothioph
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- Compound containing triarylamine and carbazole and application of compound
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The invention discloses a compound containing triarylamine and carbazole and application of the compound. The organic compound provided by the invention has a structure as shown in a general formula (1). The compound provided by the invention has relative
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Paragraph 0058-0060
(2019/08/20)
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- O-quinoline derivative and application thereof
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The invention discloses an o-quinoline derivative, application thereof and an organic light-emitting device. The o-quinoline derivative is of a structure shown in the general formula (1) (the formulacan be seen in the description). The o-quinoline derivative is applied into the organic light-emitting device and can reduce the driving voltage, improve the current efficiency and prolong the deviceservice life.
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Paragraph 0058; 0059; 0209; 0210; 0211; 0212
(2019/01/23)
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- Organic electroluminescent device taking anthracene as core compound, and applications thereof
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The invention discloses an organic electroluminescent device taking anthracene as core compound, and applications thereof. The organic electroluminescent device taking anthracene as core compound comprises a cavity transmission layer, a luminescent layer,
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- Thianthrene compound, display panel and display device
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The invention provides a thianthrene compound with a structure represented by the formula (I) in the description. Ar1 and Ar2 are independently selected from any one of a single bond, substituted or unsubstituted phenyl, substituted or unsubstituted napht
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- Thermally activated delayed fluorescence materials based on bipyridine derivatives and organic electroluminescent devices prepared from the same
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The invention provides thermally activated delayed fluorescence materials based on bipyridine derivatives and organic electroluminescent devices prepared from the same, and belongs to the technical field of organic electroluminescence. By adopting bipyrid
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Paragraph 0059; 0060; 0061
(2018/03/26)
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- A heat-activated delay fluorescent material and its organic electroluminescent device (by machine translation)
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The present invention provides a heat-activated delay fluorescent material and its organic electroluminescent light emitting device, which belongs to the organic electroluminescent technology field. The present invention relates to nitrogen-containing het
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Paragraph 0066-0068
(2018/09/28)
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- Aromatic amine compound and organic light-emitting device thereof
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The invention provides an aromatic amine compound and an organic light-emitting device thereof, and relates to the technical field of organic photoelectric materials. Fluorene groups such as cyclopenta phenanthrene, fluorene and spirofluorene, and heteroaryl groups such as carbazole, dibenzofuran and dibenzothiophene are introduced onto a triarylated amine main body structure, so that the aromaticamine compound has high hole transport capability and electronic blocking capability, good heat stability, and a good film-forming property, is simple to synthesize and easy to operate, can be applied to the organic light-emitting device so as to be used as a hole transport layer and/or an electronic blocking layer, and can effectively solve the problems of carrier transport unbalance and short service life in the organic light-emitting device; the organic light-emitting device has the advantages of high light-emitting efficiency and long service life.
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Paragraph 0095; 0096; 0100
(2018/12/13)
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- Organic electroluminescent element
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The invention provides an organic electroluminescent element and relates to the technical field of organic electroluminescence. The organic electroluminescent element has a reasonably designed devicestructure, and an aromatic amine compound having excellent performance is used as a hole transport layer, and further, an amine derivative having excellent performance is used as a light-emitting auxiliary layer. Under the combined action of the two organic functional layers, on the one hand, the injection and transmission efficiency of holes are improved, on the other hand, the generation efficiency of excitons is improved, and the diffusion of excitons to the side of the hole transport layer is effectively blocked, thereby improving the luminous efficiency and prolonging the service life ofthe electroluminescent element and also reducing the driving voltage of the electroluminescent element.
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Paragraph 0118; 0119; 0123
(2018/12/13)
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- Organic compound and organic light-emitting device preparing from same
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The invention provides an organic compound and an organic light-emitting device prepared from the same and relates to the technical field of organic optoelectronic materials. The organic compound is characterized by being prepared by connecting substitute
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Paragraph 0090; 0092
(2018/04/03)
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- Arylamine compound and organic light-emitting device thereof
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The invention provides an arylamine compound and an organic light-emitting device thereof, and relates to the technical field of organic optoelectronic materials. The arylamine compound is characterized in that an arylamine main body is connected with sub
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Paragraph 0096; 0097; 0100
(2018/05/16)
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- Fluorene naphthofuran derivative and application thereof
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The invention provides a compound shown in the general formula (1), wherein A-A are respectively and independently selected from Ar, N(Ar)(Ar), hydrogen, F, Cl, Br, I, CHO, C(=O)Ar, P(=O)(Ar)2, S(=O)Ar, S(=o)2Ar, CN, NO2, Si(R)3, C1-C30 substituted or unsubstituted alkyl groups or naphthenic groups, alkenyl groups and alkoxy or thioalkoxy groups; at least one of A-A is selectedfrom Ar or N(Ar1)(Ar2); when two adjacent substituent groups in the A-A are independently selected from Ar or N(Ar1)(Ar2), the two substituent groups can be fused into a ring; Ar, Ar and Ar are respectively and independently selected from C6-C30 substituted or unsubstituted aryl groups or are C5-C30 substituted or unsubstituted heteroaryl groups; substituent groups on the aryl or heteroaryl groups are independently selected from F, Cl, Br, I, CHO, CN and NO2 or selected from C1-C30 alkyl groups or naphthenic groups, alkenyl groups and alkoxy or thioalkoxy groups.
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Paragraph 0062-0064; 0177
(2018/07/06)
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- Benzo-phenanthroline derivative and application thereof
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The invention discloses a benzo-phenanthroline derivative and application thereof in the technical field of preparing organic light-emitting-diode displays and illuminating. The invention further provides an organic light-emitting device. The device comprises the benzo-phenanthroline derivative. Compared with the conventional organic light-emitting device, the organic light-emitting device disclosed by the invention has the advantages of better light emitting performance, lower voltage drive, lower electric consumption and longer life.
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Paragraph 0073; 0074; 0075; 0223; 0224; 0225; 0226
(2018/11/22)
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- Amine-based compound and organic light emitting diode comprising the same
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Disclosed are an amine-based compound, and an organic light emitting device comprising the same. The amine-based compound is represented by chemical formula 1. The organic light emitting device comprising the amine-based compound has low driving voltage, high efficiency, high luminance, and long lifespan.COPYRIGHT KIPO 2016
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Paragraph 0329-0331
(2016/10/09)
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- An electroluminescent compound and an electroluminescent device comprising the same
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The present invention relates to an organic light emitting compound used in an electroluminescent device. The electroluminescent compound is represented by the chemical formula 1, and has one or more substituents represented by the structural formula 1 or structural formula 2. The electroluminescent device may be realized with excellent light emitting properties such as a driving voltage, brightness, long lifespan, etc. when the electroluminescent compound is used as a phosphorescent host compound in a hole transporting function layer or a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0383; 0857-0860
(2016/10/07)
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- Organic compounds for forming capping layer of an organic electroluminescent device and an organic electroluminescent device comprising the same
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Provided is an organic compound for forming a capping layer of an organic electroluminescent device selected from a group consisting of chemical formula 1. In addition, provided is the organic electroluminescent device equipped with the capping layer (CPL) made of the organic compound.COPYRIGHT KIPO 2015
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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 compound which can improve light emitting efficiency, stability, and durability of an element, an organic electronic element, and an electronic device thereof. The organic electronic element comprises: a first electrode; a second electrode; and an organic layer located between the first electrode and the second electrode, wherein the compound is included in the organic layer.(110) Substrate(120) Positive electrode(130) Hole injection layer(140) Hole transfer layer(141) Buffer layer(150) Light emitting layer(151) Light-emitting assisting layer(160) Electron transfer layer(170) Electron injection layer(180) Negative electrodeCOPYRIGHT KIPO 2015
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Paragraph 0176; 0183; 0185
(2016/10/09)
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- HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
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A heterocyclic compound represented by Formula 1A below and an organic light-emitting diode including the same: at least one of R1 to R7 is a group represented by Formula 1B below. in Formulae 1A and 1B, R1 to R9, Ar1, Ar2, A, B, a and b are the same as described in the detailed description section of the present application. The organic light-emitting diode including an organic layer including the heterocyclic compound has a low driving voltage, high luminescence efficiency, and a long lifetime.
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Paragraph 0125; 0126
(2013/05/21)
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- Anthracene derivatives and light-emitting devices using the anthracene derivatives
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The present invention provides novel anthracene derivatives. In particular, the present invention provides light-emitting elements with high luminous efficiency, and light-emitting elements with long lifetime. Further, the present invention provides light-emitting devices and electronic devices having long lifetime by using these light-emitting elements. An anthracene derivative represented by the general formula (1) is provided. In addition, since the anthracene derivative represented by the general formula (1) has high luminous efficiency, a light-emitting element using the anthracene derivative represented by the general formula (1) can also have high luminous efficiency. By using the anthracene derivative represented by the general formula (1), light-emitting elements with long lifetime can be provided.
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- AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME
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Provided are: an aromatic amine derivative having a terminal substituent selected from a dibenzofuran, a dibenzothiophene, a substituted carbazole, and a substituted fluorene bound to the central skeleton having a specific structure through a nitrogen atom; an organic electroluminescence device, including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative alone or as a component of a mixture, the organic electroluminescence device having a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.
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Page/Page column 89
(2012/12/13)
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- NOVEL CARBAZOLE DERIVATIVE AND USE THEREOF
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The invention discloses a novel carbazole derivative which has at least two carbazole structures in the molecule, can form a stable amorphous film by itself at normal temperature or higher, has a high glass transition temperature, and can be suitably used as an organo-electronic functional material. The following compound having the formula is mentioned as a representative example.
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Page/Page column 14-15
(2009/09/28)
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- Anthracene Derivatives and Light-Emitting Devices Using the Anthracene Derivatives
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The present invention provides novel anthracene derivatives. In particular, the present invention provides light-emitting elements with high luminous efficiency, and light-emitting elements with long lifetime. Further, the present invention provides light-emitting devices and electronic devices having long lifetime by using these light-emitting elements. An anthracene derivative represented by the general formula (1) is provided. In addition, since the anthracene derivative represented by the general formula (1) has high luminous efficiency, a light-emitting element using the anthracene derivative represented by the general formula (1) can also have high luminous efficiency. By using the anthracene derivative represented by the general formula (1), light-emitting elements with long lifetime can be provided.
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- Silanylamine-based compound, method of preparing the same and organic light emitting device including organic layer comprising the silanylamine-based compound
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Silanylamine-based compounds represented by Formula I are provided. Methods of preparing the compounds and organic light emitting devices including organic layers comprising the silanylamine-based compounds are also provided. The silanylamine-based compounds have excellent electrical stability and hole transporting capabilities. Thus, the silanylamine-based compounds may be effectively used for red, green, blue, and white fluorescent and phosphorescent materials used to form hole injection layers, hole transport layers, and emissive layers in organic light emitting devices. Organic light emitting devices using these compounds have high efficiency, low driving voltages, high luminance and long lifetimes.
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Page/Page column 33
(2008/12/05)
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- Anthracene Derivative, And Light Emitting Element, Light Emitting Device, And Electronic Device Using the Anthracene Derivative
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It is an object to provide a noble anthracene derivative, a light emitting element with a high luminous efficiency, and further a light emitting element with a long lifetime. It is another object to provide a light emitting device and electronic device with a long lifetime by using the light emitting element. An anthracene derivative represented by General Formula (1) is provided. Since the anthracene derivative represented by General Formula (1) has a high luminous efficiency, when the anthracene derivative is used for a light emitting element, the light emitting element can have a high luminous efficiency. Further, when the anthracene derivative represented by General Formula (1) is used for a light emitting element, the light emitting element can have a long lifetime.
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Page/Page column 67
(2008/06/13)
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- Anthracene Derivative, and Light Emitting Element, Light Emitting Device, Electronic Device Using Anthracene Derivative
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A novel anthracene derivative represented by General Formula (1) is provided, which enables the production of a light-emitting element with high luminous efficiency and a long lifetime. A high-performance light-emitting device and electronic device in which the anthracene derivative is employed are also disclosed. The anthracene derivative of the present invention is represented by General Formula (1), in which the unit A represents any one of substituents represented by General Formulae (1-1) to (1-3). The variables shown in Formulae (1) and (1-1) to (1-3) are defined in the specification.
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Page/Page column 82
(2008/06/13)
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- Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative
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It is an object to provide a novel bipolar organic compound. In particular, it is an object to provide a bipolar organic compound excellent in thermal stability. Further, it is another object to provide a bipolar organic compound which is electrochemically stable. A quinoxaline derivative represented by a general formula (1) is provided. Further, since the quinoxaline derivative represented by the general formula (1) is bipolar, the use of the quinoxaline derivative of the present invention allows fabrication of a light-emitting element and a light-emitting device with a low driving voltage and low power consumption. Furthermore, a light-emitting element with high luminous efficiency can be obtained.
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- Stilbene derivatives, light-emitting element and light-emitting device
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The present invention provides a novel substance having an excellent color purity of blue, a light-emitting element and a light-emitting device using the novel substance. A stilbene derivative has a structure shown by the general formula (1). In the general formula (1), R1 is hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms. R2 is an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms. Each of R3 to R5 is hydrogen or an alkyl group having 1 to 4 carbon atoms. Ar1 is an aryl group having 6 to 25 carbon atoms.
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Page/Page column 62-63
(2008/06/13)
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- Aromatic amine compound, and light emitting element, light emitting device, and electronic device using aromatic amine compound
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An object is to provide an aromatic amine compound with excellent heat resistance. Another object is to provide a light emitting element, a light emitting device, and an electronic device with excellent heat resistance. An aromatic amine compound represented by General Formula (1) is provided. The aromatic amine compound represented by General Formula (1) has a high glass transition point and excellent heat resistance. By using the aromatic amine compound represented by General Formula (1) for a light emitting element, a light emitting device, and an electronic device, a light emitting element, a light emitting device, and an electronic device with excellent heat resistance can be obtained.
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Page/Page column 102
(2008/06/13)
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- Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative
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An oxadiazole derivative represented by the following general formula (G1) is synthesized and applied to the light emitting element, wherein Am is a substituent represented by a general formula (Am1), (Am2), or (Am3); each of α, β1, and β2 represents an arylene group having 6 to 25 carbon atoms; each of Ar1 to Ar6 represents an aryl group having 6 to 25 carbon atoms; each of R1 to R3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms; and R4 represents an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms.
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Page/Page column 68
(2008/06/13)
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- SPIROFLUORENE DERIVATIVE, MATERIAL FOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE
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It is an object of the present invention to provide a material having a high Tg and a wide energy gap. The present invention provides a spirofluorene derivative represented by General Formula 1. (In the formula, R1 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a group represented by General Formula 2. Each of R2 and R3 is either hydrogen or an alkyl group having 1 to 4 carbon atoms and may be identical or different. R4 is an aryl group having 6 to 15 carbon atoms. Each of R5 and R6 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms and may be identical or different.)
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Page/Page column 88-89
(2008/06/13)
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- ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE USING ANTHRACENE DERIVATIVE
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An object is to provide a novel anthracene derivative. Another object is to provide a light-emitting element with high luminous efficiency. Yet another object is to provide a light-emitting element with a long lifetime. Still another object is to provide a light-emitting device and an electronic device having a long lifetime by using the light-emitting elements of the present invention. The anthracene derivative represented by General Formula (1) is provided. The ability of the anthracene derivative represented by General Formula (1) to exhibit high luminous efficiency allows the production of a light-emitting element with high luminous efficiency and a long lifetime.
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Page/Page column 136-137
(2008/06/13)
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- ANTHRACENE DERIVATIVE
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It is an object of the present invention to provide a novel material which has excellent light-emitting efficiency, a light-emitting element provided with the novel material, and a light-emitting device using the light-emitting element. The present invention provides an anthracene derivative represented by the following general formula (1).
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Page/Page column 63-64
(2010/11/26)
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- CARBAZOLE DERIVATIVE, AND LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE USING THE CARBAZOLE DERIVATIVE
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The present invention provides a material having excellent hole injecting and hole transporting properties. Moreover, the present invention provides a light-emitting element and a light-emitting device using the material having excellent hole injecting and hole transporting properties. The present invention provides a carbazole derivative represented by the general formula (1). By applying the carbazole derivative of the present invention to a light-emitting element or a light-emitting device, a lower driving voltage, enhanced emission efficiency, a longer lifetime and enhanced reliability of the light-emitting element or the light-emitting device can be realized.
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Page/Page column 53
(2008/06/13)
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- ANTHRACENE DERIVATIVE, LIGHT EMITTING ELEMENT USING THE SAME, AND LIGHT EMITTING DEVICE USING THE SAME
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It is an object of the present invention to provide a light emitting element, which is resistant to repetition of an oxidation reaction. It is another object of the invention to provide a light emitting element, which is resistant to repetition of a reduc
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Page/Page column 69-70
(2008/06/13)
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