- Compound, hole transport material and organic electroluminescent device
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The invention provides a compound shown as a general formula (I), which can be used for a hole transport material. The compound has a parent structure of difluorene substituted arylamine, is high in bond energy between atoms, has good thermal stability, is beneficial to intermolecular solid accumulation, is strong in hole transition capability, and can effectively reduce device voltage and prolongthe service life of the material when being used as a hole transport material. The invention further provides an organic light-emitting device and a display device containing the compound shown in the general formula (I).
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- Triarylamine derivative and organic electroluminescent device thereof
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The invention discloses a triarylamine derivative and an organic electroluminescent device thereof, and relates to the technical field of organic photoelectric materials. The technical problem to be solved by the invention is that the existing hole transport material is poor in film-forming property and poor in organic electroluminescent device performance. The triarylamine derivative disclosed bythe invention contains a special substituent group, namely spirobifluorenofluorene. The spirobifluorenofluorene substituent group in the triarylamine derivative represented by formula I has a high spatial three-dimensional effect, and has good electron blocking performance, hole mobility and stability. The organic electroluminescent device comprises an anode, a hole transport region and a cathode, the hole transport region is located between the anode and the cathode, the hole transport region comprises a hole transport layer, and the hole transport layer comprises the triarylamine derivative. The organic electroluminescent device provided by the invention has high light-emitting efficiency and long service life.
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Paragraph 0134; 0143
(2020/09/12)
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- Organic electroluminescent compounds and organic electroluminescent device using the same
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The present invention relates to an organic electroluminescent compound applied to a hole transfer material, which is characterized by being presented by chemical formula 1-1 and chemical formula 1-2. The organic electroluminescent compound according to the present invention can manufacture an organic electroluminescent device having improved light emitting efficiency and life properties, when applied to a hole transfer layer of the organic electroluminescent device.
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Paragraph 0342-0347; 0368-0373
(2020/12/15)
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- Amine-based compound and organic light emitting diode comprising the same
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An amine-based compound and an organic light-emitting diode including the same are provided.
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Paragraph 0214; 0229; 0236-0238; 0320-0321; 0326-0327
(2020/09/08)
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- THIOPHENE-CONTAINING TRIARYLAMINE COMPOUNDS
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Thiophene-containing triarylamine compounds are disclosed. The said compounds have a structure of triarylamine, and connect specific thiophene-containing group. The compounds may be used as hole transporting materials, hole injection materials, or the like in an electroluminescent device. Compared to existing hole transporting materials, hole injection materials, the novel compounds can also offer excellent device performance. An electroluminescent device and a formulation comprising the compounds are also disclosed.
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- MATERIALS FOR ELECTRONIC DEVICES
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The present application relates to a spirobifluorene derivative of a specific formula (I) which is suitable for use in electronic devices.
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Page/Page column 125; 126
(2019/01/17)
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- Naphthalimide-arylamine derivatives with aggregation induced delayed fluorescence for realizing efficient green to red electroluminescence
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Aggregation-induced emission (AIE) can enhance luminescent intensity in the solid-state by suppressing concentration quenching and exciton annihilation, while thermally activated delayed fluorescence (TADF) can offer highly efficient luminescence by harve
- Chen, Shuo,Zeng, Pengju,Wang, Weigao,Wang, Xuedong,Wu, Yukun,Lin, Pengju,Peng, Zhengchun
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p. 2886 - 2897
(2019/03/14)
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- Novel organic compounds derivatives and organic light-emitting diode therewith
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The present invention relates to an organic compound represented by the chemical formula (A) or (B) and to an organic light-emitting device comprising the same. In the chemical formulas (A) and (B), R_1 to R_14, L1, L2, Ar1 to Ar3, n and m are as described in detailed description of the invention. The first object of the present invention is to provide the organic compound having a specific structure capable of having high efficiency, low voltage and long life characteristics by using the compound in an electron transporting layer or a hole transporting layer in the organic light emitting device.COPYRIGHT KIPO 2018
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Paragraph 0616-0621; 0646-0651
(2018/05/03)
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- ORGANIC INDOLYL TRIARYLAMINE COMPOUNDS AND ELECTRONIC DEVICES COMPRISING AN ORGANIC LAYER CONTAINING SUCH COMPOUNDS
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Organic compounds of formula (I) comprising 2,3 dialkyl- or indeno- substituted, preferably, 2,3 dimethyl- or 5,6-dihydroindeno- substituted N-phenyl indole containing triaryl amines suitable for organic layers of electronic devices, such as hole transfer layers (HTL) and hole induction layers (HIL) in organic light emitting diodes (OLEDs) that show increased luminous efficiency. Such as hole throughput or hole injection layers.
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- MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES
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The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
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Page/Page column 109
(2017/07/14)
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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 adopted to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2. In the case of adopting the organic light emitting compound as a phosphorescence host compound in a hole transport functional layer or a luminous layer, an organic electroluminescent device having excellent luminous characteristics such as operating voltage, brightness, long lifespan, etc.
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- COMPOUNDS AND ORGANIC ELECTRONIC DEVICES
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The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. Furthermore, the present invention relates to a process for the preparation of
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Paragraph 0333; 0345; 0346; 0347
(2016/10/17)
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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 0350; 0668; 0672-0674
(2016/10/07)
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- COMPOSITIONS CONTAINING BENZOCYCLOBUTENE SUBSTITUTED CARBAZOLES, AND ELECTRONIC DEVICES CONTAINING THE SAME
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The invention provides compositions comprising crosslinkable BCB-functionalized materials for use in OLEDs applications. The inventive compositions can be used to form hole-transporting materials for use in electroluminescent devices. In particular, the invention provides a composition comprising at least one compound selected from Structure A, as described herein.
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- ORGANIC COMPOUND AND ELECTRONIC DEVICE COMPRISING ORGANIC LAYER COMPRISING THEREOF
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Disclosed is an organic compound of Formula (1) suitable for organic layers of electronic devices that show improved luminescent properties.
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- POLYMERIC CHARGE TRANSFER LAYER AND ORGANIC ELECTRONIC DEVICE CONTAINING THE SAME
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The present invention relates to a polymeric charge transfer layer comprising a polymer. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.
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Paragraph 0050
(2017/02/02)
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- Spirobifluorene compounds for organic electroluminescent devices
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The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
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Paragraph 0277; 0278; 0279; 0280
(2016/10/07)
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- SPIROBIFLUORENE COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES
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The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.
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Paragraph 0279; 0280; 0281
(2016/12/01)
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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 employed in an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2. In addition, the organic electroluminescent device having excellent light emitting properties such as driving voltage, brightness, long lifespan, and the like is implemented when employing the organic light emitting compound as a phosphorescent host compound inside a hole transport functional layer or a light emitting layer.COPYRIGHT KIPO 2016
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Paragraph 0169-0171
(2016/10/07)
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- NOVEL COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
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Disclosed are a compound for an organic electroluminescent device and an organic electroluminescent device comprising the same. Accordingly, provided is the compound for an organic electroluminescent device, which is capable of being used as a host and a hole transfer material improving a light emitting efficiency of a phosphorescence emitting material by having excellent electrical stability and hole transfer ability, and having high triplet state energy. Also, the organic electroluminescent device is also provided.COPYRIGHT KIPO 2016
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Paragraph 0135-0137
(2016/11/07)
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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, which is used in an organic electroluminescent device and represented by chemical formula 1. When the compound is used as a phosphorescent host compound in a hole transportable layer or a luminous layer, it is possible to embody an organic electroluminescent device with excellent luminescent properties such as driving voltage, luminance, and long lifespan.COPYRIGHT KIPO 2016
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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 applied to an organic electroluminescent device. The organic light emitting compound is represented by chemical formula 1 or chemical formula 2, and when being applied as a phosphorescent host compound in a hole transporting functional layer or a light emitting layer, provides an organic electroluminescent device having excellent driving voltage, brightness, and long lifespan.COPYRIGHT KIPO 2016
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Paragraph 0257; 0258; 0259
(2016/10/07)
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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 applied to an organic light emitting device. The organic light emitting compound: is represented by chemical formula 1; includes one or more substituted bodies represented by structural formula 1 or structural formula 2; and is capable of realizing an organic light emitting device having excellent luminous properties such as driving voltage, luminance, a long life and the like in the case of being applied as a phosphorescent host compound in a hole transporting functional layer or an emissive layer.COPYRIGHT KIPO 2016
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Paragraph 0213; 0214; 1089; 1090
(2016/10/07)
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