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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 94. Отображено 94.
18-04-2023 дата публикации

Spiro compound and application thereof

Номер: CN115974702A
Автор: CHEN SHAOFU, BAI KEYAN, DAI LEI, CAI LIFEI
Принадлежит:

The spiro compound disclosed by the invention has a structure as shown in a formula (1). The spiro compound provided by the invention has the advantages of high optical and electrical stability, low sublimation temperature, low driving voltage, small carrier lateral mobility, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. Meanwhile, the low melting point is achieved, and the evaporation stability of the material is facilitated as a molten material. As a hole injection and transmission material, the compound has the possibility of being applied to the AMOLED industry.

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Номер записи: 1
30-10-2014 дата публикации

ORGANIC ELECTROLUMINESCENCE DEVICE

Номер: WO2014173323A1
Автор: HUANG, Jinhai, CAI, Lifei, DAI, Lei, LOW, Kam-hung
Принадлежит:

An organic electroluminescence device comprises an anode (20), a cathode (80), and one or more organic layers. The organic layer at least comprises one kind of material with a structural formula described in the following chemical formula I. The organic electroluminescence device made of the organic electroluminescence material has the advantages of good electroluminescence efficiency, excellent color purity and a long service life.

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Номер записи: 2
30-10-2014 дата публикации

ORGANIC ELECTRONIC MATERIAL

Номер: WO2014173324A1
Автор: HUANG, Jinhai, CAI, Lifei, DAI, Lei, LOW, Kam-Hung
Принадлежит:

The present invention relates to an organic electronic material, having the structure shown in the formula (I), and being a hole transport and injection material having a good thermal stability, a high hole migration rate, and good solubility. An organic electroluminescence device manufactured by the material has the advantages of good electroluminescence efficiency, excellent color purity and a long service life.

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Номер записи: 3
11-04-2023 дата публикации

Metal iridium complex and application thereof

Номер: CN115947764A
Автор: CHEN SHAOFU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a metal iridium complex and application thereof, the metal iridium complex has a general formula of Ir (La) (Lb) (Lc), and the structure of the metal iridium complex is as shown in formula (1). The metal iridium complex provided by the invention has the advantages of low evaporation temperature, high photo-electrochemical stability, narrow half-peak width, high color saturation, high luminous efficiency, long device life and the like, can be used in organic light-emitting devices, particularly as a red luminescent phosphorescent material, and has the possibility of being applied to the AMOLED industry.

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Номер записи: 4
15-09-2016 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2016141694A1
Автор: LOW, Kam-hung, LI, Zhe, CHEN, Jinxin, CAI, Lifei
Принадлежит:

Provided is an organic electroluminescent device (1), comprising an anode (20), a cathode (80) and an organic layer, wherein the organic layer is one or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is a host-guest doped system consisting of a host material and a guest material, a light-emitting region of the light-emitting layer (50) is 490-750nm, the host material has a compound having a structure shown in a formula (I), and the organic electroluminescent device emits red light or green light and has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

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Номер записи: 5
30-12-2021 дата публикации

METAL IRIDIUM COMPLEX AND USE THEREOF

Номер: WO2021258875A1
Автор: YAN, Liangliang, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a metal iridium complex and use thereof. The metal iridium complex has a structure as shown in Formula (I). The compound provided by the present invention has the advantages of low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, and high color saturation, can be used in organic light emitting devices, particularly as a red light emitting phosphorescent material, and has the potential of being applied to the AMOLED industry.

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Номер записи: 6
05-07-2018 дата публикации

1,2,4-TRIAZINE BASED BIPOLAR MAIN MATERIAL AND APPLICATION THEREOF

Номер: WO2018120979A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

The present application relates to a 1,2,4-triazine based bipolar main material and an application thereof. The 1,2,4-triazine based bipolar main material has a compound having the structure of formula (I), wherein R1-R6 represent substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazine, carbazole, diphenylamine, hydrogen, halogen, and substituted or unsubstituted alkyl. At least one of R1-R6 is substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazine, carbazole, and diphenylamine. The experimental result demonstrates that the compound of the present invention has higher glass-transition temperature than a common main material CBP, and the thermal stability is good; the electroluminescence device prepared by the compound of the present invention is lower in turn-on voltage, higher in current efficiency in the same current density, and more benefit for carrier injection and transport equilibration; and the device prepared by the organic material of the present invention ...

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Номер записи: 7
05-07-2018 дата публикации

SPIRO-[FLUORINE-9,2'-IMIDAZOLE] BASED BIPOLAR MAIN MATERIAL, SYNTHESIS METHOD THEREFOR, AND APPLICATION THEREOF

Номер: WO2018120977A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

A spiro-[fluorine-9,2'-imidazole] based bipolar main material, a synthesis method therefor, and an application thereof, relating to the field of organic electronic materials. The bipolar main material has a compound having the structure of formula (I), wherein at least one of R1-R3 is C1-C4 alkyl or alkoxyl substituted or unsubstituted acridinyl, phenothiazinyl, carbazole, diphenylamine. The bipolar main material has higher glass-transition temperature, and therefore is beneficial to carrier injection and transport equilibration.

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Номер записи: 8
12-03-2020 дата публикации

ORGANIC LIGHT-EMITTING MATERIAL BASED ON PLATINUM TETRADENTATE ONCN COMPLEX, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF IN ORGANIC LIGHT-EMITTING DIODE

Номер: WO2020048253A1
Автор: PENG, Jiahuan, LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

An organic light-emitting material based on a platinum tetradentate ONCN complex, a preparation method therefor and an application thereof in an organic light-emitting diode. A platinum tetradentate ONCN complex light-emitting material having the chemical structure of formula I can be prepared into the organic light-emitting diode capable of emitting pure green light. After structure optimization, the material has better anti-aggregation capability than the reported platinum (II) tetradentate ONCN complex light-emitting material. The emission spectrum of the material in at high-doping concentration only changes slightly or even remains unchanged. The organic light-emitting diode significantly has higher emission efficiency. The method for preparing the complex light-emitting material is simple and does not use high-toxic harmful reagent, and is more suitable for industrial preparation system.

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Номер записи: 9
11-01-2018 дата публикации

ORGANIC ELECTRONIC TRANSPORT DEVICE WITH HIGH TG

Номер: WO2018006679A1
Автор: LOW, Kamhung, LI, Zhe, CHEN, Chin－hsin, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electron transport device with high glass transition temperature (Tg), comprising: an anode, a cathode, and an organic layer. The anode and cathode are constructed using a metal, an inorganic material, or an organic compound. The organic layer is a compound represented by formula (I), wherein a 9,9'-spirobifluorene is linked to the 1-, 2-, 3-, or 4-position. Ar1 and Ar2 are respectively a C6-C25 aryl group, wherein the C6-C25 aryl group is either unsubstituted or substituted with a C1-C6 group. A material experiment showed that the compound represented by formula (I) has a high Tg, thereby demonstrating that the compound represented by formula (I) is an organic material with high morphological stability. A device experiment showed that a pure electron organic semiconductor diode and organo-electroluminescent device, manufactured using an organic electronic transport material, have excellent performance, are stable, and have long service lives.

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Номер записи: 10
18-05-2017 дата публикации

PURELY ELECTRONIC ORGANIC SEMICONDUCTOR DIODE COMPONENT

Номер: WO2017080446A1
Автор: LOW, Kamhung, CHEN, Chin－hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

A purely electronic organic semiconductor diode component, comprising an anode (20), a cathode (60), and an organic layer. The anode (20) and the cathode (60) are either metals, inorganic matters, and organic compounds. The organic layer is one or more of a hole-blocking layer (30), an electron transport layer (40), and an electron injection layer (50). The organic layer consists of an electron transport material. The electron transport material is provided with a compound of the structure of formula (I), where R represents a C1-C8 alkyl or a C2-C8 substituted or unsubstituted enalkyl or a C2-C8 substituted or unsubstituted alkynyl, and AR₁ and Ar₂ independently represent C6-C60 substituted or unsubstituted aryls. Empirical experiments show that the purely electronic organic semiconductor diode component and an organic electroluminescent component manufactured using the novel organic electron transport material emit a blue light, have high electron transfer rates, have great electron transport ...

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Номер записи: 11
15-12-2016 дата публикации

ORGANIC ELECTROLUMINESCENT COMPONENT

Номер: WO2016197731A1
Автор: LI, Zhe, LOW, Kam-hung, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electroluminescent component comprising a cathode (20), an anode (90), and one or more organic layers, where at least one among the organic layers comprises a material as represented by formula (I). Because compounds as represent by formula (I) have highly stable electron acceptor groups and electron donor groups, stable chemical bonds are provided among the compounds, and no strong conjugate is present. These characteristics make the compounds as represented by formula (I) to have increased fluorescent quantum efficiency and great electric charge transfer capabilities, and to have a light emission spectrum close to the international standard dark blue, thus facilitating the implementation of a full-color display of high color purity.

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Номер записи: 12
05-07-2018 дата публикации

ORGANIC ELECTROLUMINESCENCE DEVICE CONTAINING SPIRO-[FLUORINE-9,2'-IMIDAZOLE] BASED BIPOLAR MAIN MATERIAL

Номер: WO2018120976A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electroluminescence device, comprising a cathode (90), an anode (20), and an organic layer; the original layer is one or more of a hole blocking layer (60), an electron transport layer (70), and a light emitting layer (50); the original layer has a compound having the structure of formula (I), wherein R1-R3 represent C1-C4 alkyl or alkoxyl substituted or unsubstituted acridinyl, phenothiazinyl, carbazole, diphenylamine, hydrogen, halogen, and C1-C4 alkyl. The organic electroluminescence device is beneficial to carrier injection and transport equilibration because the adopted bipolar material has higher glass-transition temperature (Tg=158°C), and therefore, the luminous efficiency is high, and the service life is long.

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Номер записи: 13
05-07-2018 дата публикации

GREEN LIGHT DYE WITH AGGREGATION-INDUCED EMISSION PROPERTY

Номер: WO2018120970A1
Автор: ZHOU, Pengcheng, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a green light dye with an aggregation-induced emission property. The green light dye has a structure shown in formula (I). A test on the photo-physical properties of the green light dye shows that a molecule shown in formula (I), when in a solid state, has a high fluorescent quantum yield and can be applied to light conversion film materials using green light.

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Номер записи: 14
14-01-2016 дата публикации

LIGHT-EMITTING MATERIALS FOR LIGHT-EMITTING DIODES

Номер: WO2016004772A1
Автор: CHE, Chiming, CAI, Lifei
Принадлежит:

The present invention relates to light-emitting materials for light-emitting diodes. The structure of the light-emitting materials is shown in formula I. Platinum(II) complexes of the invention show high emission quantum efficiency, good thermal stability and low quenching constant, thus can be used for producing red light OLED with high efficiency and low efficiency attenuation.

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Номер записи: 15
14-07-2023 дата публикации

Spiro-structure-containing four-tooth platinum complex luminescent material and application thereof

Номер: CN116425805A
Автор: LI HUIYANG, WU XINYU, TAN HAIJIAN, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a tetradentate platinum complex containing a spiro structure and application of the tetradentate platinum complex in an organic light-emitting diode. The platinum complex is a compound with a structure of a chemical formula (I), and the material has relatively high light-emitting quantum yield and relatively short excited state life. The organic light-emitting diode has good luminous efficiency and device stability when applied to the organic light-emitting diode. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 16
02-07-2015 дата публикации

HIGH-DISPERSION CARBON NANOTUBE COMPOSITE CONDUCTIVE INK

Номер: WO2015096591A1
Автор: HAO, Haiyan, CAO, Xiliang, DAI, Lei, CAI, Lifei
Принадлежит:

A high-dispersion carbon nanotube composite conductive ink, consisting of modified carbon nanotubes, conductive polymeric material, and solvent; said modified carbon nanotubes being obtained from conventional carbon nanotubes that have been irradiated on a UV bench and then oxidized by a strong acid. Carbon nanotubes obtained via this process do not require, when preparing conductive composite ink, the addition of a surfactant to increase the dispersibility of the ink, such that the conductive layer obtained therefrom has good conductive properties, optical transmittance within the visible light range, and flexibility. The conductive properties of this flexible carbon nanotube polymeric transparent conductive film are world class, and the invention has good prospects for application.

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Номер записи: 17
25-06-2020 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL, PREPARATION METHOD THEREFOR AND ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2020125239A1
Автор: PENG, Jiahuan, LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

Disclosed are an organic electroluminescent material, a preparation method therefor and an organic electroluminescent device comprising the organic electroluminescent material, such as an organic light-emitting diode (OLED). The organic electroluminescent material is a compound based on imidazole[1,5-a][1,8]naphthyridine, and has a structure as shown in the formula below. The compound has a high stability, and the prepared organic electroluminescent device has a high efficiency.

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Номер записи: 18
05-07-2018 дата публикации

ORGANIC HOLE TRANSPORT MATERIAL

Номер: WO2018120975A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to an organic hole transport material, comprising critical building blocks including triarylamine, carbazole, and spirofluorene, and having a structure represented by formula (I), wherein R1 and R2 are each independently selected from hydrogen, an alkyl having 1 to 8 carbon atoms, an alkylene having 2 to 8 carbon atoms, an alkynyl having 2 to 8 carbon atoms, or an aryl having 5 to 20 carbon atoms. Experiments showed that the organic hole transport material of the present invention has a high glass transition temperature and a high thermal stability, and a hole-only semiconductor diode device prepared therefrom has good and stable performance and a long device lifetime.

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Номер записи: 19
15-06-2017 дата публикации

ORGANIC ELECTRON TRANSPORT MATERIAL

Номер: WO2017097154A1
Автор: LOW, Kamhung, CHEN, Chin-Hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to an organic electron transport material having a compound of the structure shown in formula (I), wherein R1-R4 independently represent hydrogen or C1-C8 substituted or substituted alkyl, C2-C8 substituted or unsubstituted alkenyl, or C2-C8 substituted or unsubstituted alkynyl, the substituents being C1-C4 alkyl or halogen. Device experiments show that the electron-only organic semiconductor diode device and the organic electroluminescent device prepared using the organic electron transport material of the present invention have good electron transport performance, high and stable brightness, and a long device life.

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Номер записи: 20
18-08-2011 дата публикации

BIANTHRACENE COMPOUNDS SUBSTITUTED BY AROMATIC RING AND THEIR USES FOR LUMINESCENCE MATERIALS

Номер: WO2011098030A1
Автор: CAI, Lifei, ZHAO, Hongyu, DAI, Lei
Принадлежит:

Disclosed are bianthracene compounds substituted by aromatic rings and their uses as luminescence materials which belong to the synthetic field of organic electroluminescence material. The said compounds have high glass-transition temperature and high efficiency of solution which can be used as blue host material with high efficiency.

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Номер записи: 21
21-10-2010 дата публикации

METHOD FOR PREPARATION METAL COMPOUNDS OF 8-HYDROXYQUINOLINE OR DERIVATIVES

Номер: WO2010118661A1
Автор: DAI, Lei, CAI, Lifei, ZHAO, Hongyu
Принадлежит:

The method for preparing metal compounds of 8-hydroxyquinoline or its derivatives thereof with the formula of Mqnq'm is provided. Wherein M = Al or Li, n = 1-3, m = 0-2, q = 8-hydroxyquinoline or its derivatives, and q' = ligand different from q. The method comprises that C3-6 alkoxide aluminum or lithium compound is added in hydrophobic solvent to obtain solution A 8-hydroxyquinoline or its derivatives are dissolved in hydrophobic solvent to obtain solution B Ligand q' is dissolved in hydrophobic solvent to obtain solution C. Then solution B and C are dropped sequentially into solution A under protection of nitrogen, and the reaction process is carried out at 25-140 °C. With hydrophobic solvent, the reaction is high-effective, the reaction time is saved, the yield and purity are increased and mother liquor can be recycled. The inventive metal compound of 8-hydroxyquinoline or the derivatives can be used as electroluminescent material or electron transfer material.

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Номер записи: 22
15-06-2017 дата публикации

ORGANIC HOLE TRANSPORT MATERIAL

Номер: WO2017097152A1
Автор: LOW, Kamhung, CHEN, Chin-Hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

Disclosed in the present invention is an organic hole transport material having a compound of the structure shown in formula (I), wherein R1-R2 independently represent hydrogen or C1-C8 substituted or substituted alkyl, C2-C8 substituted or unsubstituted alkenyl, C2-C8 substituted or unsubstituted alkynyl, or C6-C10 substituted or substituted aryl, the substituents being C1-C4 alkyl or halogen. Device experiments show that the organic hole transport material of the present invention has high glass transition temperature and high thermal stability; a hole-only organic semiconductor diode device and organic electroluminescent device prepared using same have good hole transport performance, high and stable current efficiency, and a long device life.

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Номер записи: 23
25-04-2023 дата публикации

Evaporation source device, vacuum evaporator and vacuum evaporation method

Номер: CN116005112A
Автор: LI YUNFEI, WANG XU, ZHANG YUE, WU YICHAO, YUE XIAOFEI, DAI LEI, CAI LIFEI
Принадлежит:

The invention discloses an evaporation source device, a vacuum evaporator and a vacuum evaporation method, and belongs to the technical field of vacuum coating. The evaporation source device comprises a rotating table and a plurality of evaporation source units, the evaporation source units are circumferentially arranged on the rotating table, and each evaporation source unit comprises a shell used for containing a crucible; the evaporation source device further comprises a shielding piece. The shielding piece is detachably connected with the rotating table, and the shielding piece and any evaporation source unit are oppositely arranged up and down; the shielding piece is provided with a through hole penetrating up and down, the upper end of the shell is arranged in a protruding mode relative to the through hole, and the outer circumferential face of the shell is connected with the inner circumferential face of the through hole. The device is novel in structure, unique in design and low ...

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Номер записи: 24
04-07-2019 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE CONTAINING TETRADENTATE PLATINUM (II) COMPLEX

Номер: WO2019128896A1
Автор: KANG, Jian, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electroluminescent device containing a tetradentate platinum (II) complex, comprising an anode, a cathode and an intermediate organic layer, wherein the intermediate organic layer at least comprises a light-emitting layer, and the light-emitting layer contains a tetradentate platinum (II) complex having the structure as shown in formula (3) as a phosphorescent doping material. Since the platinum (II) complex has a high fluorescence quantum efficiency, good heat stability and a low quenching constant, an OLED device, emitting orange light, having high light emission efficiency and low roll-off can be fabricated.

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Номер записи: 25
05-07-2018 дата публикации

HOST MATERIAL APPLIED TO ORGANIC LIGHT-EMITTING DIODE

Номер: WO2018120973A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a host material applied to an organic light-emitting diode, the host material having a structure represented by formula (I), wherein R and R2 are independently selected from hydrogen, a C1-C4 alkyl substituted or unsubstituted by a C1-C4 alkyl, a C2-C4 alkylene substituted or unsubstituted by a C1-C4 alkyl, a C2-C4 alkynyl substituted or unsubstituted by a C1-C4 alkyl, a C6-C10 aryl or aromatic hydrocarbon group substituted or unsubstituted by one or more substituents R1, and a C5-C8 heteroaryl that contains one or more heteroatoms and is substituted or unsubstituted by one or more substituents R1, R1 is independently selected from fluorine (F), chlorine (Cl), bromine (Br), iodine (I), cyano (CN), and a C1-C4 alkyl, and Ar is N-aryl carbazole. Experimental results showed that the organic host material of the present invention has a high glass transition temperature and a high thermal stability, and a prepared organic light-emitting device has good and stable ...

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Номер записи: 26
15-09-2016 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2016141693A1
Автор: LOW, Kam-hung, LI, Zhe, CHEN, Jinxin, CAI, Lifei
Принадлежит:

An organic electroluminescent device, comprising an anode (20), a cathode (80) and an organic layer, wherein the organic layer is one or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is a host-guest doped system consisting of a host material and a guest material, a light-emitting region of the light-emitting layer (50) is blue 440-490nm, the host material or the guest material has a compound with a structure shown in a formula (I), and the organic electroluminescent device has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

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Номер записи: 27
15-12-2016 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL

Номер: WO2016197730A1
Автор: LI, Zhe, LOW, Kam-Hung, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to an organic electroluminescent material, which has a structure as represented by formula (I). Compounds as represented by formula (I) have highly stable electron acceptor groups and electron donor groups, stable chemical bonds are provided among the compounds, and no strong conjugate is present. These characteristics provide the compounds as represented by formula (I) with increased fluorescent quantum efficiency and great electric charge transfer capabilities and to be close to the international standard dark blue, thus facilitating implementation of displays having high color purity.

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Номер записи: 28
25-11-2010 дата публикации

SYNTHETIC METHOD OF 2-METHYL-6-TERT-BUTYL-4-DICYANOMETHYLENE-4H-PYRAN

Номер: WO2010133131A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu
Принадлежит:

A synthetic method of 2-methyl-6-tert-butyl-4-dicyanomethylene-4H-pyran is disclosed. This method includes the following steps: (1). reacting pinacolone with boron trifluoride etherate to obtain 5,5-dimethyl-2,4-adipaldehyde-0,0-boron difluoride; (2). reacting the product of (1) with N,N-dimethylacetamide dimethyl acetal to obtain 7-dimethylamino-2,2-dimethyl-6-ene-3,5-suberic aldehyde-0,0-boron difluoride; (3). cyclizing the product of (2) by perchloric acid to obtain 2-methyl-6-tert-butyl-pyrone; (4). refluxing the solution of the product of (3) and malononitrile in acetic anhydride, condensing, adding the alcohol solvent for recrystallizing and obtaining the target compound.

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Номер записи: 29
04-02-2016 дата публикации

CARBON NANOTUBE-MACROMOLECULE COMPOSITE LAYERED TRANSPARENT FLEXIBLE ELECTRODE AND PREPARATION METHOD THEREFOR

Номер: WO2016015658A1
Автор: HAO, Haiyan, CAI, Lifei, DAI, Lei
Принадлежит:

A carbon nanotube-macromolecule composite layered transparent flexible electrode, with a carbon nanotube layer and a conductive macromolecule layer, sequentially distributed on a PET surface from inside to outside. Carbon nanotube composite conductive ink with carbon nanotube as a conductive medium and having high dispersion and good viscosity controllability is prepared as a carbon nano-tube film of a uniform network structure on the PET surface by a spin coating process or an ink-jet printing process, and then a layer of PEDOT:PSS conductive macromolecules is spin coated or jet printed on the surface, to form the carbon nano-tube-macromolecule composite layered transparent electrode having small surface roughness and good conductivity. The layered carbon nanotube macromolecule composite transparent flexible electrode can have a sheet resistance reaching 20 to 30 omega per square, and an optical transmittance reaching 80% or more. Such a composite layered electrode film has bright application ...

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Номер записи: 30
05-07-2018 дата публикации

COUMARIN GREEN LIGHT DYE CONTAINING TRIPHENYLAMINE ETHYLENE SIDE CHAIN

Номер: WO2018120971A1
Автор: ZHOU, Pengcheng, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a coumarin green light dye containing a triphenylamine ethylene side chain. The green light dye has a structure shown in formula (I), wherein R1, R2 and R3 independently represent hydrogen, a C1-C8 substituted or unsubstituted alkyl, alkoxyl or halogen. A molecule having a structure shown in formula (I) has a high fluorescent quantum yield and has a good application potential with regard to light conversion film materials using green light. The material has a strong light-emitting property, is not sensitive to a preparation process and has a very stable emission spectrum in relatively large doping concentration and temperature ranges.

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Номер записи: 31
04-07-2019 дата публикации

TETRADENTATE PLATINUM (II) COMPLEX MATERIAL BASED ON OXAZOLE, THIAZOLE OR IMIDAZOLE AND USE

Номер: WO2019128895A1
Автор: KANG, Jian, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a tetradentate platinum (II) complex material based on oxazole, thiazole or imidazole and a use. The complex has the configuration of O^N^C^N, and the structure thereof is as shown in formula (1), wherein A1-A4 are of a substituted or unsubstituted five-membered ring, six-membered ring, and fused ring structure; X is oxygen, sulfur or substituted nitrogen (-NR0), R0 is one or more R-substituted or unsubstituted C1-C8 alkyls, C5-C20 aryls or heteroaryl groups, and R is halogen, a C1-C4 alkyl, diphenylamino, carbazolyl, or fluorenyl. The complex may be applied in the field of OLEDs as a phosphorescent doping material. The organic metal complex has a high fluorescence quantum efficiency, good thermal stability and a low quenching constant, and can be used to manufacture a yellow-green light OLED device with a high light emission efficiency and a low roll-off.

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Номер записи: 32
21-10-2010 дата публикации

METHOD FOR SYNTHESIZING SUBSTITUTED ANTHRAQUINONE WITH HIGH PURITY

Номер: WO2010118660A1
Автор: DAI, Lei, CAI, Lifei, ZHAO, Hongyu, SHAO, Libai
Принадлежит:

Disclosed is a method for synthesizing substituted anthraquinone with high purity. The substituted anthraquinone is obtained by the following step: the product which is obtained by reacting 3-X1 substituted benzoic acid anhydride with X2 substituted benzene is dehydrated in the presence of dehydrant. The process of the present invention optimizes the reaction route and avoides the side reactions; thereby the method can be used in the industry production. The product obtained by the process of the present invention is soluble and its color is white; therebythe product can be used to produce organic luminous materials and field effect transistors.

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Номер записи: 33
21-02-2013 дата публикации

SUBLIMATION PURIFICATION METHOD OF SMALL ORGANIC MOLECULES

Номер: WO2013023533A1
Автор: DAI, Lei, CAI, Lifei
Принадлежит:

Disclosed is a sublimation purification method of small organic molecules. The small organic molecule compound to be sublimed is placed in the heating region of a sublimation heating tube, and a vacuum pump is started to heat and sublime, then the main substance is enriched in a collection region and the volatile impurity is enriched in an impurity region. The method is characterized in that a barrier is fastened in the collection region so that the gas is capable of passing through the barrier or passing around the barrier from the heating zone to the vacuum pump interface. The arrangement of the barrier can effectively separate the main substance from the impurity. The sublimation substance separated in this method is proved to have an improved purity of the material by purity test and OLED performance test.

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Номер записи: 34
02-07-2015 дата публикации

METHOD FOR SYNTHESIZING 2,6-BIS[3'-(N-CARBAZOLYL)PHENYL]PYRIDINE COMPOUND

Номер: WO2015096639A1
Автор: LOW, Kam-hung, CAI, Lifei
Принадлежит:

The present invention relates to "a method for synthesizing 2,6-bis[3'-(N-carbazolyl)phenyl]pyridine compound", and belongs to the field of chemical synthesis. In the present invention, a pyridine ring is formed by cyclization, the intermediate product can be directly used in the next reaction without purification and thus the process is very easy; the final product I will precipitate from the mixed reaction solution after the completion of the reaction, and the product can be very conveniently extracted.

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Номер записи: 35
25-11-2010 дата публикации

SYNTHETIC METHOD OF 2-METHYL-6-TERT-BUTYL-4-DICYANOMETHYLENE-4H-PYRAN

Номер: WO2010133133A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu
Принадлежит:

A synthetic method of 2-methyl-6-tert-butyl-4-dicyanomethylene-4H-pyran is disclosed. This method includes the following steps: (1) refluxing the solution of 2-methyl-6-tert-butyl-pyrone and malononitrile in acetic anhydride, monitoring the reaction by TLC; (2) condensing, adding the alcohol solvent for recrystallizing and obtaining the target compound.

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Номер записи: 36
15-09-2016 дата публикации

ORGANIC ELECTRONIC MATERIAL

Номер: WO2016141691A1
Автор: LOW, Kam-Hung, LI, Zhe, CHEN, Jinxin, CAI, Lifei
Принадлежит:

Provided is an organic electronic material shown in a formula (I), which relates to the technical field of display materials of organic electroluminescent devices. The organic electronic material has relatively good thermal stability, high light-emitting efficiency and high light-emitting purity. An organic electroluminescent device manufactured by adopting an organic light-emitting material has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

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Номер записи: 37
18-06-2020 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL AND APPLICATION THEREOF IN PHOTOELECTRIC DEVICE

Номер: WO2020119326A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

Disclosed are an organic electroluminescent material and the application thereof in a photoelectric device. The organic electroluminescent material has a structure of chemical formula (I), and such a compound comprises imidazole and indenopyrrole building units, wherein a spiro ring structure in the molecule facilitates suppressing the intermolecular stack. The compound has a better thermal stability, and has features such as good luminous efficiency and excellent color purity when applied to an electroluminescent device, therefore the compound has potential to be used in the field of organic electroluminescent devices. Further disclosed is a photoelectric device, comprising a cathode, an anode and an organic layer, wherein the organic layer comprises one or more of a hole injection layer, a hole transmission layer, a luminescent layer, a hole blocking layer, an electron transmission layer and an electron injection layer, and the organic layer comprises at least one layer containing a compound ...

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Номер записи: 38
18-05-2017 дата публикации

ORGANIC ELECTRON TRANSFER MATERIAL

Номер: WO2017080445A1
Автор: LOW, Kamhung, CHEN, Chin－hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electron transfer material provided with a compound structured as formula (I), where R represents a C1-C8 alkyl or a C2-C8 substituted or unsubstituted enalkyl or a C2-C8 substituted or unsubstituted alkynyl, and AR1 and Ar2 independently represent C6-C60 substituted or unsubstituted aryls. Empirical experiments show that a purely electronic organic semiconductor diode component and an organic electroluminescent component manufactured using the novel organic electron transport material emit a blue light, have high electron transfer rates, great electron transport properties, and high luminous efficiency.

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Номер записи: 39
05-07-2018 дата публикации

LIGHT CONVERSION FILM CONTAINING GREEN LIGHT DYE HAVING AGGREGATION-INDUCED EMISSION PROPERTY

Номер: WO2018120968A1
Автор: ZHOU, Pengcheng, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a light conversion film containing a green light dye having an aggregation-induced emission (AIE) property, wherein the film is composed of the green light dye and a cured polymer resin. The molecular structure of the green light dye is as shown by formula (I). In the present invention, the green light dye having an aggregation-induced emission (AIE) property is firstly used to prepare a light conversion film; green light can be emitted under a blue light source; a very strong fluorescence is exhibited after a solid or PMMA thin film is prepared; and the strong light emission of the dye in a solid state has a very large advantage when same is applied to organic light conversion film materials.

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Номер записи: 40
09-05-2019 дата публикации

4,6-DIPHENYL SULPHONE DIBENZOFURAN BIPOLAR MATERIAL-CONTAINING DEVICE

Номер: WO2019085687A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

A 4,6-diphenyl sulphone dibenzofuran bipolar material-containing device, comprising a cathode, an anode and an organic layer, the organic layer being one or more of a hole transporting layer, a hole blocking layer, an electron transporting layer and a light-emitting layer, the organic layer containing a bipolar host material, the bipolar host material having a structure as shown in formula (I), wherein R1-R6 represent an alkyl substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazinyl, carbazole, indenocarbazole, diphenylamine or other aromatic diphenylamine derivative, or hydrogen, a halogen or a C1-C4 alkyl group, at least one of R1-R6 being an alkyl substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazinyl, carbazole, indenocarbazole, diphenylamine or other aromatic diphenylamine derivative. Experiments show that an organic electroluminescent device prepared with the described bipolar host material is highly stable, and has high current efficiency and external quantum ...

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Номер записи: 41
05-12-2013 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2013178042A1
Автор: DAI, Lei, HUANG, Jinhai, CHEN, Jinxin, CAI, Lifei
Принадлежит:

The present invention relates to "an organic electroluminescent device," comprising an anode, a cathode, and one or multiple organic layers. The organic layer at least comprises one compound as represented in formula I. The organic electroluminescent device has the advantages such as good electroluminescent efficiency, excellent color purity, and long service life.

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Номер записи: 42
15-06-2017 дата публикации

HOLE-ONLY ORGANIC SEMICONDUCTOR DIODE COMPONENT

Номер: WO2017097153A1
Автор: LOW, Kamhung, CHEN, Chin-Hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

A hole-only organic semiconductor diode component, comprising an anode (20), a cathode (60), and organic layers, the anode and the cathode being metal, inorganic material, or organic compounds; the organic layers are a hole injection layer (30), a hole transport layer (40), and an electron blocking layer (50); the electron blocking layer, the hole transport layer and/or the hole injection layer contain the compound of formula (I). Device experiments show that the hole-only organic semiconductor diode device has good electron transport performance, high and stable current efficiency, and a long device life.

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Номер записи: 43
05-07-2018 дата публикации

ORGANIC ELECTROLUMINESCENCE DEVICE CONTAINING 1,2,4-TRIAZINE BASED BIPOLAR MAIN MATERIAL

Номер: WO2018120978A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to an organic electroluminescence device containing a 1,2,4-triazine based bipolar main material, comprising: a cathode, an anode, and an organic layer; the original layer is one or more of a hole transport layer, a hole blocking layer, an electron transport layer, and a light emitting layer; the original layer has a compound having the structure of formula (I), wherein R1-R6 represent substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazine, carbazole, diphenylamine, hydrogen, halogen, and substituted or unsubstituted alkyl. At least one of R1-R6 is substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazine, carbazole, and diphenylamine. The experimental result demonstrates that the electroluminescence device prepared by the bipolar main material of the present invention is lower in turn-on voltage, higher in current efficiency in the same current density, and more benefit for carrier injection and transport equilibration, has better electroluminescence ...

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Номер записи: 44
25-06-2020 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL AND APPLICATION THEREOF

Номер: WO2020125240A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention provides an organic electroluminescent material and an application thereof. The organic electroluminescent material of the present invention contains pyrazine and a cyano group, and has a structure represented by chemical formula (I). By manufacturing an organic electroluminescent material by using compound doping in the present invention, the power efficiency is significantly improved, and the start and light-up voltage is reduced.

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Номер записи: 45
25-11-2010 дата публикации

PROCESS FOR SYNTHESIS OF 10,10'-DIBROMO-9,9'-DIANTHRACENE

Номер: WO2010133129A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu
Принадлежит:

Disclosed is a process for the synthesis of 10,10'-dibromo-9,9'-dianthracene, which pertains to the technical field of the synthesis of organic electroluminescent materials, wherein 9,9'-dianthracene is used as the raw material, chlorinated hydrocarbon is used as the solvent and bromine is used as the bromination reagent. The process doesn't raise environment pollution, the yield is very high, and the reaction time is short, thus the process is suitable for industrial production.

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Номер записи: 46
25-07-2023 дата публикации

High-molecular polymer and application thereof

Номер: CN116478376A
Автор: LIAO JINLONG, JIANG YIFEI, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a high-molecular polymer, which contains at least one of the following three repeating units and is terminated by Ar1 and Ar2, and Ar1 and Ar2 represent R1 or R12 substituted or unsubstituted C6-C36 aryl or R1 or R12 substituted or unsubstituted C5-C36 heteroaryl; m, n and p represent the number of repetitive units, m > = 0, n > = 0, p > = 0, and m and n are not zero at the same time; and at least one of R1-R12 is a crosslinkable group. The high-molecular polymer disclosed by the invention is used as a charge injection layer material or a charge transport layer material in an organic electroluminescent device, and has relatively good device efficiency and relatively low starting voltage.

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Номер записи: 47
12-12-2013 дата публикации

ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2013182046A1
Автор: HUANG, Jinhai, DAI, Lei, CHEN, Jinxin, CAI, Lifei
Принадлежит:

An organic electronic material having the structure of formula (I) or (II) as described below and an organic electroluminescent device are disclosed. The organic electroluminescent device possesses high electronic transmission and injection capacity by using the compound having an fluoranthene group as electronic transmission material. It also enhances luminous efficiency and lifetime of the device because of its excellent thermal stability and film-forming properties. At the same time, the organic electroluminescent device possesses high triplet energy level and excellent electronic transmission capacity by using the compound having the fluoranthene group as the main body of phosphorescence material. It enhances the number of electrons in emission layers and the efficiency of the device effectively.

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Номер записи: 48
15-09-2016 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2016141692A1
Автор: LOW, Kam-Hung, LI, Zhe, CHEN, Jinxin, CAI, Lifei
Принадлежит:

An organic electroluminescent device, comprising an anode (20), a cathode (80), and an organic layer; the organic layer is one layer or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is formed by a single compound having a structure shown in a formula (I). The organic electroluminescent device emits blue light, and has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

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Номер записи: 49
25-11-2010 дата публикации

SYNTHETIC METHOD OF 7-DIMETHYLAMINO-2,2-DIMETHYL-6-ENE-3,5-SUBERICALDEHYDE-0,0-BORON DIFLUORIDE

Номер: WO2010133132A1
Автор: CAI, Lifei, ZHAO, Hongyu, DAI, Lei, SHAO, Libai, ZHANG, Weilong
Принадлежит:

A synthetic method of 7-dimethylamino-2,2-dimethyl-6-ene-3,5-subericaldehyde-0,0-boron difluoride is provided. The method includes the following steps: adding N,N-dimethylacetamide dimethyl acetal to an anhydrous solution containing N,N-dimethylacetamide, 2,6-dimethylpyridine and 5,5-dimethyl-2,4-adipaldehyde-0,0-boron difluoride under 20-50℃; stirring for 2-5h and then reacting for 2-24h under 80-100℃; cooling under -10-0℃; separating the product and washing by organic solvent to obtain 7-dimethylamino-2,2-dimethyl-6-ene-3,5-subericaldehyde-0,0-boron difluoride.

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Номер записи: 50
09-05-2019 дата публикации

4,6-DIPHENYL SULPHONE DIBENZOFURAN-BASED BIPOLAR HOST MATERIAL AND APPLICATION

Номер: WO2019085688A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a 4,6-diphenyl sulphone dibenzofuran-based bipolar host material and an application thereof, the bipolar host material being a compound having a structure as shown in formula (I), wherein R1-R6 represent an alkyl substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazinyl, carbazole, indenocarbazole, diphenylamine or other aromatic diphenylamine derivative, or hydrogen, a halogen or a C1-C4 alkyl group, at least one of R1-R6 being a substituted or unsubstituted acridinyl, phenothiazinyl, phenoxazinyl, carbazole, indenocarbazole, diphenylamine or other aromatic diphenylamine derivative. Experiments show that the compound of the present invention has a higher glass transition temperature than the common host material CBP. The present invention significantly increases host material thermal stability, and better satisfies organic light-emitting diode host material requirements.

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Номер записи: 51
11-11-2010 дата публикации

ONE-STEP SYNTHESIS METHOD OF 2,9-DIMETHYL-4,7-DIPHENYL-1,10- PHENANTHROLINE

Номер: WO2010127575A1
Автор: CAI, Lifei, ZHANG, Weilong, ZHAO, Hongyu, DAI, Lei
Принадлежит:

One-step synthesis method of 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline is provided which belongs to the field of organic synthesis. The method comprises that o-diaminobenzene reacts with the compound of formula III in one step in the presence of mixed dehydrating agent, wherein the said mixed dehydrating agent is the mixture of hydrochloric acid and organic acid. The organic acid acts as phase-transfer catalyst and dehydrating agent as well as buffering agent which can reduce the polymerization of the compound of formula III and reduce side reaction. The reaction is mild and easy to control, and produces the product with high purity. The waste liquid can be discharged safely as no pollutant is added or generated in the reaction. By using of ketone solvent in the post-treatment, the separating step and loss of product can be reduced, and the yield can be improved.

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Номер записи: 52
04-07-2019 дата публикации

ELECTROLUMINESCENT MATERIAL AND USE THEREOF IN PHOTOELECTRIC DEVICES

Номер: WO2019128343A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

Provided are an electroluminescent material and the use thereof in photoelectric devices. The material has a structure as shown by formula (I), wherein Ar is one of formulae (II) and (III), and wherein R1 and R2 are independently selected from hydrogen, a substituted or unsubstituted C1-C4 alkyl, a substituted or unsubstituted C2-C4 alkenyl, a substituted or unsubstituted C2-C4 alkynyl, a C6-C10 aryl which is substituted by one or more substituents or unsubstituted, and a C3-C8 heteroaryl which is substituted by one or more substituents or unsubstituted and contains one or more heteroatoms. The experimental results show that the electroluminescent material is applied in an OLED, has a relatively high luminous efficiency, and has the potential to be applied in the field of organic electroluminescent devices. (I), (II), (III) ...

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Номер записи: 53
25-06-2020 дата публикации

PLATINUM (II) TETRADENTATE ONNO COMPLEX LUMINESCENT MATERIAL, PREPARATION METHOD, AND APPLICATION THEREOF IN ORGANIC LIGHT EMITTING DIODE

Номер: WO2020125238A1
Автор: PENG, Jiahuan, LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a platinum (II) tetradentate ONNO complex luminescent material, a preparation method, and an application thereof in an organic light emitting diode. A platinum (II) tetradentate bipyridinol ONNO complex luminescent material having the chemical structure represented by formula I may be used to manufacture organic light-emitting diodes that emit pure red light. Since the phenol group at a left end is connected to benzofuran, the emission spectrum of the luminescent material is more red-shifted than that of a bipyridinol ONNO-Pt (II) complex without a benzofuran group; meanwhile, a B group is introduced on a phenol ring at a right end, which effectively increases the anti-aggregation performance of the platinum (II) complex; the self-quenching rate constant is low, the color purity of deep red light emission and good luminous efficiency may be maintained within a certain doping concentration range, and the material is more suitable for industrial preparation ...

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Номер записи: 54
20-06-2019 дата публикации

PHOTOELECTRIC MATERIAL CONTAINING 4-SULPHUR SULPHONE ARYL DIBENZOFURAN, AND APPLICATION

Номер: WO2019114364A1
Автор: PENG, Jiahuan, DAI, Lei, CAI, Lifei
Принадлежит:

Provided are a photoelectric material containing 4-sulphur sulphone aryl dibenzofuran, and an application, a specifically-arranged bipolar material based on 4-sulphur sulphone aryl dibenzofuran, and a compound having a structure represented by formula (I), wherein Ar1 and Ar2 represent aryl, or heteroaryl, or condensed-ring aryl containing 5-15 annular atoms; R1 and R2 represent acridinyl, phenothiazinyl, phenoxazine, carbazole, indenocarbazole, diphenylamine, or other aromatic diphenylamine derivatives substituted by alkyl or not substituted, hydrogen, halogen, and C1-C4 alkyl; and at least one of R1 and R2 is acridinyl, phenothiazinyl, phenoxazine, carbazole, indenocarbazole, diphenylamine, or other aromatic diphenylamine derivatives substituted by alkyl or not substituted. The compound has a higher glass transition temperature than a conventional body material CBP, so that the heat stability of the body material is significantly improved, and the requirements of an organic light emitting ...

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Номер записи: 55
12-05-2023 дата публикации

Divalent platinum complexes with high color purity

Номер: CN116102597A
Автор: WU XINYU, LI HUIYANG, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a bivalent platinum complex with high color purity, the bivalent platinum complex has a structure of a chemical formula (I), the compound is applied to an organic light-emitting diode, has relatively low driving voltage and relatively high luminous efficiency, is narrow in half-peak width and high in color purity, can obtain better quantum efficiency, and has potential to be applied to the field of organic electroluminescent devices. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 56
05-07-2018 дата публикации

LIGHT CONVERSION FILM CONTAINING COUMARIN GREEN LIGHT DYE

Номер: WO2018120969A1
Автор: ZHOU, Pengcheng, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention provides a light conversion film containing a coumarin green light dye, the film containing the green light dye and a cured polymer resin. The molecular structure of the green light dye is as shown in formula (I), wherein R1, R2 and R3 independently represent hydrogen, a C1-C8 substituted or unsubstituted alkyl, alkoxyl or halogen. A test on the photo-physical properties of the green light dye shows that since a molecule having a structure as shown in formula (I) has a high fluorescent quantum yield and a strong light-emitting performance, and is not sensitive to a preparation process, the light conversion film of the present invention has a very stable emission spectrum in the relatively large doping concentration range of the molecule of formula (I) and in the relatively large temperature range.

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Номер записи: 57
21-01-2016 дата публикации

CONTINUOUS DISTILLATION DEVICE OF ORGANIC SOLID MATERIAL

Номер: WO2016008313A1
Автор: DAI, Lei, CHEN, Jinxing, CAI, Lifei, LOW, Kam-Hung, LI, Zhe
Принадлежит:

A continuous distillation device of an organic solid material, comprising a solid liquification container (1), a distillation container (2), a product collection container (3), an impurity collection container (4), a vacuum system (9) and a heating and temperature control system (10), wherein the vacuum system (9) is in communication with the distillation container (2), the product collection container (3) and the impurity collection container (4) via a pipe; the heating and temperature control system (10) controls the temperatures in the solid liquification container (1), the distillation container (2) and the product collection container (3); the solid liquification container (1) is in communication with the distillation container (2) via a high-temperature valve (5) in the pipeline; the organic solid materials are any organic solid materials which have to be transformed into a liquid state in vacuum state during sublimation. The distillation device has the advantages of low equipment ...

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Номер записи: 58
02-05-2023 дата публикации

Solvent for high-efficiency organic luminescent material ink and application thereof

Номер: CN116042016A
Автор: LIAO JINLONG, GUO SHIGAN, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a solvent for high-efficiency organic light-emitting material ink and application of the solvent. According to the present invention, the metal ion concentration of the solvent is less than 10 ppb, and the halogen concentration is less than 1 ppm, such that the generation of foreign matter caused by metal can be suppressed, and uniform film formation can be performed, and the ink composition can be used for the configuration of functional layer inks in an organic electroluminescent device formed by a high-efficiency wet film formation method. The organic electroluminescent component manufactured by using the solvent is not easy to generate the problems of short circuit, black spots, reverse voltage leakage current and the like, and the organic electroluminescent component with long driving life is obtained.

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Номер записи: 59
25-11-2010 дата публикации

SYNTHETIC METHOD OF 5,5-DIMETHYL-2,4-ADIPALDEHYDE-0,0-BORON DIFLUORIDE

Номер: WO2010133130A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu, ZHANG, Weilong, SHAO, Libai, WANG, Xiaofeng
Принадлежит:

A synthetic method of 5,5-dimethyl-2,4-adipaldehyde-0,0-boron difluoride is provided. The method includes the following steps: reacting pinacolone with boron trifluoride etherate at low temperature, adding alkaline aqueous solution to adjust pH to neutrality, separating the solution, condensing the organic phase to obtain 5,5-dimethyl-2,4-adipaldehyde-0,0-boron difluoride.

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Номер записи: 60
11-01-2018 дата публикации

ORGANIC ELECTRONIC TRANSPORT MATERIAL WITH HIGH TG

Номер: WO2018006680A1
Автор: LOW, Kamhung, LI, Zhe, CHEN, Chin－hsin, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a compound as represented by formula (I), wherein a 9,9'-spirobifluorene is linked to the 1-, 2-, 3-, or 4-position. Ar1 and Ar2 are respectively a C6-C25 aryl group, the C6-C25 aryl group is either unsubstituted or substituted with a C1-C6 group. The compound represented by formula (I) has a high glass transition temperature (Tg) and is an organic material with high morphological stability. A pure electron organic semiconductor diode and organo-electroluminescent device, manufactured using an organic electronic transport material of the present invention, have excellent performance, are stable, and have long service lives.

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Номер записи: 61
25-09-2014 дата публикации

TRANSPARENT CONDUCTIVE INK COMPOSITED BY CARBON NANO TUBES AND POLYMERS, AND METHOD FOR PREPARING SAME

Номер: WO2014146534A1
Автор: HAO, Haiyan, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a transparent conductive ink composited by carbon nano tubes and polymers, and a method for preparing same. The conductive ink consists of modified carbon nano tubes, a conductive polymer, a water-soluble polymer co-solvent, a polymer modification assistant, a surfactant, and deionized water. By means of a blending process technology for solution, the uniform dispersion of the nano tubes and the conductive polymer solution is achieved, and the ink prepared has good stability and re-dispersity. The method can prepare a fine electrode pattern using the devices of spin coating, ink-jet printing, etc., under the condition of room temperature, also can achieve the preparation of the fine electrode pattern by a photo-etching process, and can further prepare a conductive ink of photo-etched type to achieve the one-time preparation of the microstructural electrode pattern. The ink can be applied to the highly transparent electrode material in the devices such as ...

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Номер записи: 62
14-05-2015 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE

Номер: WO2015067155A1
Автор: LOW, Kam-hung, DAI, Lei, CHEN, Jinxin, CAI, Lifei
Принадлежит:

An organic electroluminescent material and organic electroluminescent device comprising same; the organic electroluminescent material has a structure as represented by formula (I).

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Номер записи: 63
09-05-2019 дата публикации

DEVICE COMPRISING ORGANOMETALLIC COMPLEX LUMINESCENT MATERIAL

Номер: WO2019085689A1
Автор: YU, Mingquan, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a device comprising an organometallic complex luminescent material. The device comprises a luminescent layer containing an organometallic complex having a structure as shown in formula I, wherein A, B, and C are independently a substituted or an unsubstituted C, N, O, or S atom; and the dotted ring linking the A and B atoms is a substituted or an unsubstituted conjugated cyclic structure. L1, L2, L3, and L4 are independently a single bond or a double bond, wherein L3 and L4 are a part of the conjugated cyclic structure linking the A and B atoms; X, X1, Y, and Y1 are independently a C, N, O, or S atom; Ar1 and Ar2 are independently a substituted or an unsubstituted conjugated cyclic structure; and M is a Pt, W, or Au atom. The organometallic complex provided has high fluorescence quantum efficiency, good thermal stability, and a low quenching constant. The organometallic complex can be used for manufacturing red OLEDs with high-efficiency and low-efficiency roll-off.

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Номер записи: 64
02-07-2020 дата публикации

PREPARATION OF N^N^C^N TETRADENTATE PLATINUM (II) COMPLEX AND USES THEREOF

Номер: WO2020134568A1
Автор: KANG, Jian, DAI, Lei, CAI, Lifei
Принадлежит:

Preparation of N^N^C^N tetradentate platinum (II) complex and uses thereof are provided. The complex has a structure represented by formula (11). The complex used for preparing an organic electroluminescent device improves the performance compared to a reference device, can be widely used in an organic light emitting device (OLED), and can act as phosphorescent doping material for manufacturing an orange-red light-emitting OLED device exhibiting high efficiency.

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Номер записи: 65
19-01-2012 дата публикации

METHOD FOR SYNTHESIZING 1,3,5-TRI-(N-PHENYLBENZIMIDAZOLYL)BENZENE

Номер: WO2012006878A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu, DING, Yanfeng, ZHANG, Weilong, LIAN, Junhao
Принадлежит:

Disclosed is a method for synthesizing 1,3,5-tri-(N-phenylbenzimidazolyl)benzene, in which 1,3,5-tri-(N-phenyl-N-phenylamino)benzamide is reacted in the presence of a dehydrant at 80-200℃ to obtain the target compound, and the target compound is further purified by sublimation to obtain a stable crystalline material.

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Номер записи: 66
25-11-2010 дата публикации

PROCESS FOR SYNTHESIS OF 9,9'-DIANTHRACENE

Номер: WO2010133128A1
Автор: CAI, Lifei, DAI, Lei, ZHAO, Hongyu
Принадлежит:

Disclosed is a process for the synthesis of 9,9'-dianthracene, which pertains to the technical field of the synthesis of organic electroluminescent materials. In the process for synthesizing 9,9'-dianthracene, hydrochloric acid is added in batches to the glacial acetic acid solution, which has dissolved anthraquinone (raw material) and zinc (reducing reagent). The reaction temperature is maintained at 70-120℃ to obtain the end product. The one-step process has lower cost and fewer side-product formed, and needs no special purification. The process can also be used to synthesize relevant analogs and is suitable for large-scale industrial production.

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Номер записи: 67
05-07-2018 дата публикации

ORGANIC LIGHT-EMITTING DIODE DEVICE

Номер: WO2018120972A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

An organic light-emitting diode device of the present invention comprises a cathode, an anode, and an organic layer. The organic layer comprises a compound having a structure of formula (I), wherein Ar is an N-aryl carbazole, R and R2 are independently selected from hydrogen, a C1-C4 alkyl substituted or unsubstituted by a C1-C4 alkyl, a C2-C4 alkylene substituted or unsubstituted by a C1-C4 alkyl, a C2-C4 alkynyl substituted or unsubstituted by a C1-C4 alkyl, a C6-C10 aryl or aromatic hydrocarbon group substituted or unsubstituted by one or more substituents R1, and a C5-C8 heteroaryl that contains one or more heteroatoms and is substituted or unsubstituted by one or more substituents R1, and R1 is independently selected from fluorine (F), chlorine (Cl), bromine (Br), iodine (I), cyano (CN), and a C1-C4 alkyl. Because an organic host material used in the present invention has a high glass transition temperature and a high thermal stability, a prepared organic light-emitting device has ...

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Номер записи: 68
15-06-2017 дата публикации

ELECTRON-ONLY ORGANIC SEMICONDUCTOR DIODE COMPONENT

Номер: WO2017097155A1
Автор: LOW, Kamhung, CHEN, Chin-Hsin, LI, Zhe, DAI, Lei, CAI, Lifei
Принадлежит:

An electron-only organic semiconductor diode component, comprising an anode (20), a cathode (60), and organic layers, the anode and the cathode being metal, inorganic material, or organic compounds; the organic layers are a hole blocking layer (30), an electron transport layer (40), and an electron injection layer (50); the hole blocking layer, the electron transport layer and/or the electron injection layer contain the compound of formula (I), wherein R1-R4 independently represent hydrogen or C1-C8 substituted or substituted alkyl, C2-C8 substituted or unsubstituted alkenyl, or C2-C8 substituted or unsubstituted alkynyl, the substituents being C1-C4 alkyl or halogen. Device experiments show that the electron-only organic semiconductor diode device and the organic electroluminescent device have good electron transport performance, high and stable brightness, and a long device life.

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Номер записи: 69
18-08-2011 дата публикации

SYNTHETIC METHOD OF ORGANOMETALLIC IRIDIUM COMPOUND

Номер: WO2011098032A1
Автор: CAI, Lifei, ZHAO, Hongyu, CAI, Changquan
Принадлежит:

Synthetic method of organometallic iridium compound is provided. The method comprises: (1) dissolving the hydrate of iridium trihalide into water, dropping the refluxing solution of a ligand in hydrosoluble organic solvent, refluxing for 2-6 hours, filtering and recrystallizing to obtain a halogenated bridged bi-iridium compound L2Ir(μ-X)2IrL2; (2) reacting the bi-iridium compound with a ligand to obtain the product [C︿N]2Ir(LX). This invention can shorten the reaction time greatly, improve the yield, and obtain the product having a purity more than 99% only by recrystallization. The invention is suitable for industrial production.

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Номер записи: 70
11-11-2010 дата публикации

ONE-STEP SYNTHESIS METHOD OF SYMMETRICAL 1,10- PHENANTHROLINE DERIVATIVE

Номер: WO2010127574A1
Автор: CAI, Lifei, ZHAO, Hongyu, ZHANG, Weilong, DAI, Lei
Принадлежит:

A one-step synthesis method of 1,10-phenanthroline derivative represented by formula I is disclosed (wherein R1-R4 is defined as the description). The method is adding the compound of formula III whichis defined as the description to the concentrated hydrochloric acid solution of the compound of formula II whichis defined as the description to carry out the reaction in the presence of mixed water reducing agent, and obtaining the 1,10-phenanthroline derivative by one step, wherein the said mixed water reducing agent is the mixture of concentrated hydrochloric acid and organic acid.

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Номер записи: 71
02-07-2015 дата публикации

METHOD FOR IMPROVING SINGLE-WALL CARBON NANOTUBE DISPERSION

Номер: WO2015096590A1
Автор: HAO, Haiyan, CAO, Xiliang, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a method for improving single-wall carbon nanotube dispersion, comprising the following steps: (1) using ultrasonic waves to disperse single-wall carbon nanotube powder in a lipid solvent, and allowing to stand for 2-3 days for swelling and centrifuging; (2) successively washing by centrifugation with low-boiling point alcohol solvent and water, then drying; (3) adding the dried single-wall carbon nanotubes to a strongly oxidative acid solution for oxidation, and centrifuging; (4) washing by centrifugation with water to a centrate of pH 7, then dissolving the single-wall carbon nanotubes in water or alcohol solvent. Upon processing by the described method, recovery of single-wall carbon nanotubes is around 80% or higher, and the single-wall carbon nanotube solution is highly concentrated; the absorbance value of the carbon nanotube dispersion can be reduced to approximately 1600, and the invention can be used for preparation of flexible transparent electrode materials.

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Номер записи: 72
04-02-2016 дата публикации

HIGHLY DISPERSED AND VISCOSITY CONTROLLABLE TRANSPARENT ELECTRODE INK WITH CARBON NANOTUBES

Номер: WO2016015657A1
Автор: HAO, Haiyan, CAI, Lifei, DAI, Lei
Принадлежит:

A highly dispersed and viscosity controllable transparent electrode ink with carbon nanotubes, which consists of the following constituents having the following weight percentage contents: 0.03%-1% of a pure carbon nanotube powder, 0.2%-0.5% of a carrier 1, 0.2%-0.5% of a carrier 2, and 98%-99% of a solvent, wherein the carrier 1 is an alkylated quaternary ammonium base, the carrier 2 is a water-soluble anionic acidic substance, and the solvent is water. A method for preparing the ink comprises: taking a part of the solvent to prepare aqueous solutions from the carrier 1 and the carrier 2, dispersing the pure carbon nanotube powder material into the aqueous solution of carrier 1, then adding the remaining solvent, and dropwise adding the aqueous solution of carrier 2 under stirring, wherein ultrasonic dispersion is adopted in steps (2) and (3), and magnetic stirring is adopted in step (4).

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Номер записи: 73
21-01-2016 дата публикации

NEW PURIFICATION METHOD OF ORGANIC SOLID MATERIAL

Номер: WO2016008312A1
Автор: LOW, Kam-Hung, LI, Zhe, DAI, Lei, CHEN, Jinxing, CAI, Lifei
Принадлежит:

The present invention relates to a new purification method of an organic solid material, comprising the steps of distilling the material to be purified and collecting the impurities and the product under vacuum or a low pressure state, characterized in that in the distillation step a stepwise manner for heating is used, first the material to be purified is added to a distillation container, the distillation container and a product collection container are heated to T1 and maintained at T1, and the impurities are collected by an impurity collection container; and then the distillation container is continuously heated to T2, all the products are distilled out, and collected by the product collection container. By comprehensive comparison, the distillation device and the purification method of the present invention, with respect to the sublimation apparatus and the method thereof commonly used for purifying solids in the electronic industry, have the advantages of lower equipment costs, a ...

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Номер записи: 74
09-05-2019 дата публикации

ORGANOMETALLIC COMPLEX LUMINESCENT MATERIAL

Номер: WO2019085682A1
Автор: YU, Mingquan, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to an organometallic complex luminescent material, having a structural formula of formula (I), wherein A, B, and C are independently a substituted or an unsubstituted C, N, O, or S atom; and the dotted ring linking the A and B atoms is a substituted or an unsubstituted conjugated cyclic structure. L1, L2, L3, and L4 are independently a single bond or a double bond, wherein L3 and L4 are a part of the conjugated cyclic structure linking the A and B atoms; X, X1, Y, and Y1 are independently a C, N, O, or S atom; Ar1 and Ar2 are independently a substituted or an unsubstituted conjugated cyclic structure; and M is a Pt, W, or Au atom. The organometallic complex of the present invention has high fluorescence quantum efficiency, good thermal stability, and a low quenching constant. The organometallic complex can be used for manufacturing red OLEDs with high-efficiency and low-efficiency roll-off.

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Номер записи: 75
02-07-2020 дата публикации

PREPARATION OF N^N^C^O TETRADENTATE PLATINUM (II) COMPLEX AND USES THEREOF

Номер: WO2020134569A1
Автор: KANG, Jian, DAI, Lei, CAI, Lifei
Принадлежит:

Provided are an N^N^C^O tetradentate platinum (II) complex shown in the following formula, a ligand thereof, a preparation method therefor and uses thereof. The complex is used as phosphorescent dopant for photon emission in the light-emitting layers of an OLED light-emitting device.

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Номер записи: 76
02-07-2015 дата публикации

METHOD FOR UNIFORM DISPERSION OF SINGLE-WALL CARBON NANOTUBES

Номер: WO2015096592A1
Автор: HAO, Haiyan, CAO, Xiliang, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a method for uniform dispersion of single-wall carbon nanotubes, comprising: (1) dispersing single-wall carbon nanotube powder in a low-boiling point alcohol or water or DMF, then placing into a UV bench for ultraviolet irradiation and oxidation; (2) after cleaning the carbon nanotubes in the UV bench, using a strong acid to carry out an oxidation reaction, then washing by centrifugation; (3) after cleaning with strong acid, subjecting the single-wall carbon nanotubes to ethanol or water ultrasonic dispersion 2-3 times, washing by centrifugation, then dissolving in low-boiling point alcohol or water or DMF solution to obtain a single-wall carbon nanotube dispersion. By means of the present method, the entire surface of a carbon nanotube is grafted with a functionalized group, achieving solubility of single-wall carbon nanotubes; further, high-performance carbon nanotube composite flexible transparent electrode materials can be prepared, which have high transmittance and low ...

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Номер записи: 77
09-05-2019 дата публикации

ELECTROLUMINESCENT MATERIAL BASED ON CARBAZOLE AND PYRIDINE CONSTRUCTION UNITS

Номер: WO2019085685A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is an electroluminescent material based on carbazole and pyridine construction units. The electroluminescent material has a structure described in formula (I). Experiments show that the electroluminescent material has a high light-emitting efficiency when the material is applied in OLEDs, and has the potential for being applied in the field of organic electroluminescent devices.

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Номер записи: 78
09-05-2019 дата публикации

ORGANIC ELECTROLUMINESCENT DEVICE CONTAINING CARBAZOLE AND PYRIDINE CONSTRUCTION UNIT MATERIALS

Номер: WO2019085686A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

An organic electroluminescent device containing carbazole and pyridine construction unit materials comprises a cathode, an anode, and an organic layer. The organic layer is one or more of a hole transport layer, a luminescent layer, a hole blocking layer, and an electron transport layer. The organic layer contains a compound represented by formula (I), R1 and R2 being separately selected from hydrogen, substituted or unsubstituted C1-C4 alkyls, substituted or unsubstituted C2-C4 alkenyls and alkyls, substituted or unsubstituted C2-C4 alkynyls and alkyls, substituted or unsubstituted C6-C10 aromatic groups and aryl groups containing one or more substituents, and substituted or unsubstituted C3-C8 heteroaryls containing one or more heteroatoms and containing one or more substituents. Experiments show that OLEDs containing carbazole and pyridine construction unit materials have good electroluminescent performance.

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Номер записи: 79
14-01-2016 дата публикации

CONTINUOUS DISTILLATION CASTING DEVICE FOR ORGANIC SOLID MATERIAL

Номер: WO2016004771A1
Автор: LI, Zhe, CHEN, Jinxing, CAI, Lifei, LOW, Kam-hung, DAI, Lei
Принадлежит:

The present invention relates to a continuous distillation casting device for an organic solid material, comprising a solid liquefaction vessel, a distillation vessel, a product collection container, an impurity collection container, a vacuum system and a heating temperature control system; the vacuum system communicates with the distillation vessel, the product collection container and the impurity collection container via a pipeline; the heating temperature control system controls the temperature in the solid liquefaction vessel, the distillation vessel and the product collection container; the product collection container is provided with a casting mold therein; the solid liquefaction vessel communicates with the distillation vessel via a high temperature valve in the pipeline; and the organic solid material is any kind of organic solid material requiring conversion to a liquid state before being sublimated in a vacuum. Compared with a conventional sublimation device for purifying solids ...

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Номер записи: 80
04-07-2019 дата публикации

TETRADENTATE PLATINUM (II) COMPLEX AND APPLICATION THEREOF

Номер: WO2019128897A1
Автор: KANG, Jian, DAI, Lei, CAI, Lifei
Принадлежит:

The present invention relates to a tetradentate platinum (II) complex and an application thereof. The complex is an N^N^N^O complex, and has a structure as shown in formula (3), wherein A1-A5 are substituted or unsubstituted five-membered ring, six-membered ring, and fused ring structures. The complex can be used as a phosphorescent dopant material in the field of OLEDs. The platinum (II) complex has high fluorescence quantum yield, good thermal stability, and low quenching constant, and can be used for manufacturing orange-red OLED devices with high light emitting efficiency and low roll-off.

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Номер записи: 81
02-07-2020 дата публикации

ORGANIC METAL COMPOUND AND APPLICATION THEREOF

Номер: WO2020134570A1
Автор: YAN, Liangliang, DAI, Lei, CAI, Lifei
Принадлежит:

An organic metal compound and an application thereof. The organic metal compound has the structure represented by formula I, has advantages such as low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, and high color saturation, and can be applied in an organic light-emitting device, especially as a red luminous phosphorescent material, with the possibility of application in the AMOLED industry.

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Номер записи: 82
05-07-2018 дата публикации

HOLE-ONLY SEMICONDUCTOR DIODE DEVICE BASED ON ASYMMETRIC ORGANIC HOLE TRANSPORT MATERIAL

Номер: WO2018120974A1
Автор: LI, Huiyang, DAI, Lei, CAI, Lifei
Принадлежит:

Provided is a hole-only semiconductor diode device based on an asymmetric organic hole transport material, comprising an anode (20), a cathode (60), and an organic layer. The organic layer is one or more of an electron blocking layer (50), a hole transport layer (40), and a hole injection layer (30). The organic layer has a compound of formula (I), wherein R1 and R2 are each independently selected from hydrogen, an alkyl having 1 to 8 carbon atoms, an alkylene having 2 to 8 carbon atoms, an alkynyl having 2 to 8 carbon atoms, or an aryl having 5 to 20 carbon atoms. The compound has a high glass transition temperature and a high thermal stability, and a hole-only semiconductor diode device prepared therefrom has good and stable performance and a long device lifetime.

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Номер записи: 83
17-07-2014 дата публикации

PREPARATION METHOD FOR CARBON NANOTUBE TRANSPARENT COMPOSITE ELECTRODE

Номер: WO2014108015A1
Автор: HAO, Haiyan, DAI, Lei, CAI, Lifei
Принадлежит:

A preparation method for a carbon nanotube transparent composite electrode. One or more layered structures are formed by taking a super-aligned carbon nanotube film (2) as a conductive substrate and a conductive polymer as a carrier. A formed transparent CNT composite film (3) shows excellent conductivity. A transparent CNT composite electrode of large areas can be manufactured using mechanical processes according to an economical and simple way at a room temperature, and the transparent CNT composite electrode can be applied to devices, such as flexible OLED display devices, solar cells, liquid crystal displays, touchscreen panels, etc.

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Номер записи: 84
05-12-2013 дата публикации

ORGANIC ELECTRONIC MATERIAL

Номер: WO2013178041A1
Автор: DAI, Lei, HUANG, Jinhai, CHEN, Jinxin, CAI, Lifei
Принадлежит:

Disclosed is an organic electronic material having the structure as represented in formula (I), the definitions of all substituents being described in description. The organic electroluminescent material is deposited into a film by means of vacuum deposition, is used in organic electroluminescent LEDs as a blue light electroluminescent material, and has high stability, luminous efficiency, and optical purity.

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Номер записи: 85
02-06-2023 дата публикации

Platinum complex luminescent material of NNCN tetradentate ligand and application thereof

Номер: CN116199720A
Автор: WU XINYU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a platinum complex luminescent material of an NNCN tetradentate ligand and application of the platinum complex luminescent material. The platinum complex is a compound with a structure of a chemical formula (I), and the compound is applied to an organic light-emitting diode, has relatively low driving voltage and relatively high light-emitting efficiency, can remarkably prolong the service life of a device, and has potential to be applied to the field of organic light-emitting devices. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 86
16-06-2023 дата публикации

Platinum complex luminescent material based on carbazole modification and application thereof

Номер: CN116262767A
Автор: WU XINYU, LI HUIYANG, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a platinum complex luminescent material based on carbazole modification and application thereof. The platinum complex is a compound with a structure of a chemical formula (I), and aza fused rings contained in the series of materials accelerate triplet radiation transition speed by changing spin density distribution. According to the series of materials, molecular aggregation is inhibited through carbazole modification, and the intermolecular pi-pi effect is reduced; the thermal stability of molecules is improved, and the luminous efficiency of the molecules is also improved. The compound is applied to an organic light-emitting diode, has relatively low driving voltage and relatively high luminous efficiency, can remarkably improve the luminous efficiency of a material and prolong the service life of a device, and has potential to be applied to the field of organic electroluminescent devices.

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Номер записи: 87
18-07-2023 дата публикации

Organic electroluminescent material and application thereof

Номер: CN116444549A
Автор: BAI KEYAN, DAI LEI, CAI LIFEI
Принадлежит:

The invention provides an organic electroluminescent material and application thereof. According to the material, on the basis of a traditional B-N resonance structure, an aromatic ring which does not participate in resonance is fixed to a resonance ring through dimethyl-substituted methylene to form a larger rigid structure, so that non-radiation vibration is reduced, the delayed fluorescence service life is shortened, and efficiency roll-off is reduced; the introduction of dimethyl-substituted methylene distorts the planar skeleton of B-N, and can reduce the fluorescence quenching effect under high concentration, thereby obtaining higher efficiency; meanwhile, when Cy1 and Cy2 are different, especially after heteroatoms are introduced, the asymmetric structure can further twist a molecular plane, the film state aggregation quenching effect is reduced, and higher current efficiency is obtained. The structural general formulas of the organic electroluminescent material containing the B-N ...

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Номер записи: 88
11-08-2023 дата публикации

Electron transport material and application thereof in electroluminescent device

Номер: CN116574131A
Автор: BAI KEYAN, CHEN SHAOFU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to an electron transport material and application thereof in an electroluminescent device. The organic compound provided by the invention has a structure as shown in a formula (A1) or (A2), and can be used as an electron transport material and a charge generation layer material in an electroluminescent device. The organic compound has the advantages of reducing the driving voltage of the electroluminescent device and prolonging the service life of the device.

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Номер записи: 89
12-05-2023 дата публикации

Organic compound and application thereof

Номер: CN116102461A
Автор: YAN LIANGLIANG, CHEN SHAOFU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to an organic compound and application thereof. The organic compound has a structure as shown in a formula (1). The compound provided by the invention has a low LUMO energy level, and the prepared red light device has low driving voltage, better device luminous efficiency and improved service life. As a hole injection layer material, the compound provided by the invention can be used in an organic light-emitting device and has the possibility of being applied to the OLED industry.

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Номер записи: 90
12-05-2023 дата публикации

High-efficiency divalent platinum complex phosphorescent OLEDs material and application thereof

Номер: CN116102598A
Автор: WU XINYU, LI HUIYANG, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a high-efficiency divalent platinum complex phosphorescent OLEDs material and application thereof, in particular to a platinum complex containing an ONCN tetradentate ligand and application of the platinum complex in an organic light emitting diode. The platinum complex is a compound with a structure of a chemical formula (I), and the compound is applied to an organic light-emitting diode, has relatively low driving voltage and relatively high light-emitting efficiency, can remarkably prolong the service life of a device, and has potential to be applied to the field of organic light-emitting devices. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound ...

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Номер записи: 91
09-05-2023 дата публикации

Platinum complex luminescent material and application thereof

Номер: CN116082404A
Автор: LI HUIYANG, WU XINYU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a platinum complex luminescent material and application thereof. The platinum complex is a compound with a structure of a chemical formula (I), and the compound is applied to an organic light-emitting diode, has relatively low driving voltage and relatively high light-emitting efficiency, can remarkably prolong the service life of a device, and has potential to be applied to the field of organic light-emitting devices. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 92
02-05-2023 дата публикации

Binuclear platinum complex luminescent material and application thereof

Номер: CN116041397A
Автор: LI HUIYANG, WU XINYU, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a binuclear platinum complex luminescent material and application thereof. The binuclear platinum complex is a compound with a structure of a chemical formula (I), and has better luminous efficiency and longer device life when being applied to an organic light-emitting diode. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 93
07-07-2023 дата публикации

Tetraarylethene skeleton structure-based tetradentate platinum complex luminescent material and application thereof

Номер: CN116396335A
Автор: LI HUIYANG, WU XINYU, TAN HAIJIAN, DAI LEI, CAI LIFEI
Принадлежит:

The invention relates to a tetradentate platinum complex luminescent material based on a tetraarylethene skeleton structure and application of the tetradentate platinum complex luminescent material. The platinum complex is a compound with a structure of a chemical formula (I), and the material has the property of aggregation-induced emission, and is relatively high in luminous quantum yield and relatively short in excited state life. The invention also provides an organic photoelectric device, which comprises a cathode, an anode and an organic layer, the organic layer is one or more of a hole injection layer, a hole transport layer, a luminescent layer, a hole barrier layer, an electron transport layer and an electron injection layer, and at least one layer in the organic layer contains the compound in the structural formula (I).

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Номер записи: 94