112results about How to "Significant increase in lifespan" patented technology

The invention discloses a compound with anthrone as a core and a use thereof. According to the compound, anthrone is a mother nucleus and is connected to an aromatic heterocyclic group so that molecular symmetry is destroyed, molecule crystallinity is destroyed, intermolecular aggregation is avoided and good film-forming performances are obtained. The compound as a light-emitting layer material is used for an organic light-emitting diode. An OLED device prepared from the compound has good photoelectric properties and can satisfy the requirements of the panel manufacturing companies.

The invention discloses a five-membered ring substituted compound with xanthone as a core and a use thereof. According to the compound, xanthone is a mother nucleus and is connected to an aromatic heterocyclic group so that molecular symmetry is destroyed, molecule crystallinity is destroyed, intermolecular aggregation is avoided and good film-forming performances are obtained. The compound as a light-emitting layer material is used for an organic light-emitting diode. An OLED device prepared from the compound has good photoelectric properties and can satisfy the requirements of the panel manufacturing companies.

The invention discloses a compound based on xanthone and application thereof. The compound uses xanthone as a parent nucleus, which is connected to a heteroaromatic group, so as to destroy the molecular symmetry, and thus further destroy the crystallinity of molecules and avoid the aggregation between molecules. The compound based on xanthone has good film-forming property, and can be applied to organic light emitting diode as a luminescent layer; and the OLED device using the compound based on xanthone has good photoelectric property, and can meet the requirements of panel manufacturing enterprises.

The invention discloses an azaxanthone compound and applications of the azaxanthone compound in organic electroluminescent devices. According to the present invention, the azaxanthone compound uses azaxanthone as the core, the molecules are not easily crystallized and are not easily aggregated, and the azaxanthone compound has good film forming property; and with the application of the azaxanthone compound as the light emitting layer main material of the OLED light emitting device, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved, and the service life of the device can be remarkably improved.

The invention discloses a compound taking triazine as a core and an application of the compound on an organic electroluminescent device. The compound takes triazine as the core, which has the characteristics of difficult crystallization among molecules, difficult aggregation and good film forming ability. When the compound is taken as a luminescent layer main material of the organic electroluminescent device for usage, current efficiency, power efficiency and external quantum efficiency of the device are greatly improved; at the same time, the device life can be obviously increased.

The invention discloses a compound containing ketone and heterocyclic nitrogen and application thereof to an organic light-emitting device. The compound has the advantages of being not subjected to crystallization and aggregation easily and having good film-forming property, and rigid groups in molecules can improve heat stability of a material. The compound serving as a light-emitting layer material is applied to an organic light-emitting diode (OLED), and a manufactured OLED device has good photoelectric property and can meet the requirements of panel manufacturing enterprises.

The invention relates to a boron-containing organic compound and application of the boron-containing organic compound to an OLED device. The structure of the compound is shown as a general formula (1), the whole molecule of the compound is a large rigid structure, and the introduction of substituent groups reduces the planarity of a material, so the steric hindrance of the material is increased, the material is not easy to rotate, and a three-dimensional space structure is more stable; and therefore, the compound has higher glass transition temperature and molecular thermal stability. In addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels; and therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.

The invention discloses a compound taking anthrone as a core and an application of the compound in an OLED device. The compound takes anthrone as a parent core, which is connected with a heterocyclic aromatic group to destroy molecular symmetry, so that molecular crystallinity is destroyed, aggregation effect among the molecules can be avoided, and the compound has good film forming ability. The compound as a luminescent layer material is used on an organic light-emitting diode, the OLED device using the compound has good photoelectric performance, so that the requirement by a panel manufacture enterprise can be satisfied.

The invention discloses a compound with pyridine as a core and application thereof in an organic electroluminescence device. The compound has the advantages that molecules are not prone to crystallization or aggregation and have a good film-forming property. By means of rigid groups in the compound molecules, thermostability of the material can be improved, the compound can be used as a luminescent layer material applied to an OLED, and a manufactured OLED device has high photoelectric property and can meet the requirement of a panel manufacturing enterprise better.

The invention relates to a boron-containing organic compound and application thereof to an organic light-emitting device, belonging to the technical field of semiconductors. The structure of the boron-containing organic compound is shown as a general formula (1). The invention also discloses the application of the boron-containing organic compound in an organic electroluminescent device. Accordingto the boron-containing organic compound, the whole molecule of the compound is of a large rigid structure, the planarity of a material is reduced through introduction of substituent groups, the steric hindrance of the material is increased, the material is not prone to rotation, a three-dimensional space structure is more stable, and therefore, the compound has high glass transition temperatureand molecular thermal stability; in addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels. Therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.

The invention discloses a compound containing a spirofluorene structure, and applications in organic electroluminescent devices. According to the present invention, the compound has strong rigidity due the spirofluorene structure; the compound has characteristics of less intermolecular crystallization, less aggregation, good film forming property and the like after the compound is linked to a carbazole derivative long branch chain structure; the mother nucleus of the compound has bipolarity, the branch chain is the electron donating group, and the electron donating abilities of the branch chain groups are different, such that the material has different HOMO energy levels so as to be used as different function layer materials; the compound has high triplet energy level so as to effectivelyblock energy loss and easily achieve energy transfer; and with the application of the compound as the organic electroluminescent function layer material in OLED devices, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved, and the service life of the device is significantly prolonged.

The invention discloses a compound based on diaryl ketone and an application of the compound to an organic electroluminescence device. The compound has the advantages that molecules are not prone to crystallization and collection, and good film forming performance is achieved; the heat stability of materials can be improved through rigid groups in the molecules. When the compound is applied to the organic electroluminescence device as a light emitting layer material, the organic electroluminescence device with the compound has good photoelectric performance and can better adapt to and meet the application requirements of panel manufacturing enterprises.

The invention discloses a boron-containing multi-element heterocyclic organic compound and an application thereof to an OLED (organic light-emitting diode) device. The compound utilizes benzo six-membered rings as a core, and boron is located on the six-membered ring in the center. The compound has the characteristics that molecules are not prone to crystallization and aggregation and film-formingproperty is good. When the compound is utilized as a luminous layer material of the OLED device, current efficiency, power efficiency and external quantum efficiency of the device are greatly improved; besides, the service life of the device is obviously prolonged.

The invention discloses a heterocyclic compound with xanthone as a core and a preparation method and applications thereof, and belongs to the technical field of semiconductors. The structure of the compound provided by the invention is represented by a general formula (I) shown in the description. The invention also discloses the preparation method and the applications of the compound. The compound of the invention has high glass transition temperature and molecular thermal stability and has a suitable HOMO and LUMO energy leves, has a singlet-triplet energy level difference ([delta]Est), andcan be used as a doping material of a light emitting layer of an organic electroluminescent device, thereby improving the luminous efficiency and service life of the device.

The present invention discloses an organic compound with a ketone structure as a mother nucleus and application thereof in an organic electroluminescent device, the organic compound has the characteristics that Delta Est< 0.2 eV, and a 2.7 eV< T1< 3.0 eV, the organic compound is connected with aromatic heterocyclic groups for destruction of molecular symmetry, molecular crystallinity is destructed, intermolecular aggregation can be avoided, and the organic compound has good film-forming properties. When the organic compound is used as an emitting layer material of an organic light-emitting diode, the OLED device using the compound has good photoelectric properties and can meet the requirements of panel manufacturing enterprises.

The invention discloses a compound based on diaryl ketone and an application thereof in organic electroluminescent devices. The compound has the characters that molecules are not liable to crystallize and aggregate and the compound has excellent film forming property. In addition, rigid groups in the molecules can improve thermal stability of the material. The compound is used on the organic electroluminescent devices as a luminescent layer material. The organic electroluminescent device using the compound has excellent photoelectric performance and can satisfy application requirements of panel manufacturers better.

The invention relates to a compound with spirodimethyl anthracene fluorene as a core and an application thereof in organic light emission diode device. A structure of the compound is shown as the following formula. The compound provided by the invention utilizes the spirodimethyl anthracene fluorene as a skeleton, a connecting branched branch is a dibenzo six-membered ring derivative structure, and since the strong and weak capability of a branched chain group giving an electron is different, an HOMO energy level of an overall structure of the compound can be freely adjusted, the compound witha shallow HOMO energy level can be used as hole transport / electron blocking materials; and materials with a deep HOMO energy level can be used as main materials of a partial hole type light-emittinglayer.

The invention discloses a compound taking anthranone as a core and an application of the compound in organic electroluminescent devices. The compound has the characteristics that molecules are not prone to crystallization and not prone to aggregation and the film forming property is good, and the thermal stability of the material can be improved due to rigid radicals in the molecules. The compound disclosed by the invention is applied to the organic electroluminescent devices as a luminescent layer material, and manufactured organic electroluminescent devices have good photoelectric properties and can meet the requirements of panel manufacturing enterprises.

The invention discloses a ketone-containing compound and application thereof to an organic light-emitting devices. The compound contains a ketone structure and has strong rigidity, and connection of the compound with a spiroazaanthracene fluorene derivative structure, the compound has the characteristics of difficult crystallization among molecules, difficult aggregation and good film-forming property; the compound disclosed by the invention has double polarity, branched chains are electron-donating groups, and the HOMO energy levels of the material are different due to different electron-donating capacities of the group, so that the compound can be used as different functional layer materials; in addition, the compound provided by the invention has a high triplet state energy level, can effectively block energy loss, and is beneficial to energy transfer, therefore, after application of the compound in OLED devices as an organic electroluminescent functional layer material, the currentefficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life of the device is obviously prolonged.

The invention discloses a boron-containing compound and application thereof and belongs to the technical field of semiconductors. The compound has the structure that is shown as a general formula (1).The invention further discloses applications of the compound. The compound provided by the invention contains a boron atom structure and has very strong rigidity, so that molecules are not easy to crystallize and aggregate, and the compound has the characteristics of good film-forming property; the compound disclosed by the invention has the characteristics of TADF, and the HOMO energy levels ofthe material are different due to different electron donating capacities of groups, so that the compound can be used as different functional layer materials; in addition, the compound provided by theinvention has high fluorescence quantum efficiency and can effectively generate radiation transition. Therefore, after the compound disclosed by the invention is applied to an OLED device as an organic electroluminescent functional layer material, the current efficiency, the power efficiency and the external quantum efficiency of the device are greatly improved; and meanwhile, the service life ofthe device is obviously prolonged.

The invention discloses nitrogen-containing organic compounds and an application of the compounds in organic light emission diodes. The compounds provided by the invention use azaspirofluorene as a mother nucleus and have stronger rigidity, so that the compounds have the characteristics that molecules are not easy to crystallize or aggregate and the film forming performance is good; the azaspirofluorene mother nucleus has stronger electron-withdrawing ability, and the branch chains has electron-donating ability, so that the compounds have good bipolar transmission properties; in addition, thecompounds have a high triplet state energy level, so that the compounds can effectively block energy loss; therefore, after the compounds are applied to the organic light emission diodes, the currentefficiency, power efficiency and external quantum efficiency of the organic light emission diodes are greatly improved; and at the same time, the service life of the organic light emission diodes is obviously improved.

The invention discloses a compound adopting tribenzocycloheptenone as a core, and an application thereof in OLED devices. The compound adopts the tribenzocycloheptenone as a core, and has the characteristics of difficulty in intermolecular crystallization, difficulty in aggregation, and good film forming ability. When the compound is used as the luminescent layer main body material of the OLED luminescent devices, the current efficiency, the power efficiency and the external quantum efficiency of the devices are greatly improved, and the life of the devices is obviously prolonged.

The invention discloses an organic electroluminescence compound with nitrogen-containing five-membered heterocycle as the core and application thereof. The compound has the nitrogen-containing five-membered heterocycle as the core, is not easy to crystallize between molecules and is not easy to aggregate, and has good film forming ability. The compound, used as a luminescent layer material, is applied to organic electroluminescent devices. An organic electroluminescent device by using the compound has good photoelectric property and can better meet application requirements of panel manufacturing enterprises.

The invention relates to an organic compound taking diboron as a core, a preparation method of the organic compound and application of the organic compound to an organic light-emitting device. The structure of the compound is shown as a general formula (1); the whole molecule of the organic compound with diboron as the core is of a large rigid structure, the introduction of branched chains reducesthe planarity of the material, the steric hindrance of the material is increased, the material is not easy to rotate, and the three-dimensional space structure is more stable, so that the compound has high glass transition temperature and molecular thermal stability; in addition, HOMO and LUMO distribution positions of the compound are separated from each other, so that the compound has appropriate HOMO and LUMO energy levels; therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.

The invention discloses a compound containing spiro-xanthene fluorene and an application of the compound to an organic light-emitting device. The compound has a spiro-xanthene fluorene structure, so that the compound has high rigidity and the advantages that crystallization and aggregation between molecule cannot be easily formed, and the compound has good film-forming property and the like afterbeing connected with a long-chain branch structure of a carbazole derivative. A parent nucleus of the compound has double polarity, a branch chain is provided with an electron-donating group, the electron donating abilities of a branch chain group are different, so that HOMO energy levels of a material are different, and the compound can serve as different functional layer materials to be used. The compound has higher triplet-state energy levels, energy loss can be effectively blocked, and energy transfer is facilitated. The compound serves as an organic light-emitting functional layer material to be applied to an OLED (organic light-emitting diode) device, current efficiency, power efficiency and external quantum efficiency of the device are greatly improved, and the service life of the device is obviously prolonged.

The invention discloses a 9,10-anthraquinone based compound and an application thereof in organic electroluminescent devices. According to the compound disclosed by the invention, 9,10-anthraquinone serves as a parent core, two sides are connected with two aromatic heterocyclic groups, thus, the crystallinity of molecules is destroyed, the aggregation of the molecules is avoided, and the film forming property is good; and the compound disclosed by the invention is applied to the organic electroluminescent devices as a luminescent layer material, and the organic electroluminescent devices using the compound disclosed by the invention have good photoelectric properties and can better adapt to and meet the application requirements of panel manufacturing enterprises.

The invention discloses an organic compound taking a carbazole derivative as a core as well as a preparation method and application of the same, and belongs to the technical field of semiconductors. The organic compound has the structure that is shown as a general formula (1); the invention further discloses a preparation method and application of the compound. The compound provided by the invention has relatively high glass transition temperature and molecular thermal stability, proper HOMO and LUMO energy levels and relatively high Eg; by optimizing the device structure, the photoelectric property of the OLED device can be effectively improved, and the service life of the OLED device can be effectively prolonged.

The invention discloses a ketone structure-cored organic compound and application thereof to organic light emitting devices. The ketone structure-cored organic compound is characterized in that deltaEst<0.2eV, and 2.7 eV<T1<3.0 eV; when connected with heteroaromatic groups, the ketone structure-cored organic compound can break molecular symmetry to break molecular crystallization property, avoidintermolecular aggregation and accordingly achieve good film-forming performance. The ketone structure-cored organic compound can be applied to organic light emitting diodes as a luminescent layer material; OLED devices with the ketone structure-cored organic compound can achieve high photoelectric properties and meet the demands of panel manufacturers.

The invention discloses a spiro-xanthene fluorene-cored compound and application thereof to organic electroluminescent devices. Containing a s spiro-xanthene fluorene structure, the spiro-xanthene fluorene-cored compound is high in rigidity, and after being connected with the long-branch-chain structure of carbazole derivatives, has the advantages of being less prone to intermolecular crystallization and aggregation, good in film forming properties and the like. Due to the facts that the parent nucleus is bipolarized and the branch chains serve as electron-donating groups with different electron-donating capacities, the spiro-xanthene fluorene-cored compound can present different HOMO (highest occupied molecular orbital) energy levels and further can serve as different functional layer materials. Besides, the spiro-xanthene fluorene-cored compound is high in triplet state energy level and capable of effectively blocking energy loss and facilitating energy transferring. Therefore, whenthe spiro-xanthene fluorene-cored compound is applied to OLED (organic light emitting diode) devices, the current efficiency, the power efficiency and the external quantum efficiency of the devices can be greatly improved, and meanwhile, the service life of the devices can be significantly prolonged.