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30results about How to "Meet the development needs of industrialization" patented technology

Fluorene derivative and electronic device

The invention provides a fluorene derivative and an electronic device. By introducing a fluorene rigid structure into the fluorene derivative, the obtained fluorene derivative has an excellent film-forming property and high thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the fluorene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer,and can reduce the driving voltage, improve the efficiency and the brightness, prolong the service life and the like. In addition, the preparation method of the fluorene derivative is simple, raw materials are easily available, and the industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Fluorene derivative and electronic device

The invention relates to a fluorene derivative and an electronic device. By introducing a fluorene rigid structure, the obtained fluorene derivative has excellent film forming property and thermal stability, and can be used for preparing organic electroluminescent devices, organic field effect transistors and organic solar cells; in addition, the fluorene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a luminescent layer, an electron blocking layer, a hole blocking layer or an electron transport layer, a driving voltage can be reduced, efficiency and brightness can be improved, and the service life is prolonged; and in addition, the preparation method of the fluorene derivative is simple, raw materials are easily available, and industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Fluorene derivative and electronic device

The invention provides a fluorene derivative and an electronic device. A fluorene rigid structure is introduced into the fluorene derivative, so that the obtained fluorene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the fluorene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency and brightness, prolong the service life and the like. In addition, the preparation method of the fluorene derivative is simple, raw materials are easy to obtain, and the industrial development requirement can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Fluorene derivative and electronic device

The invention provides a fluorene derivative and an electronic device. By introducing a fluorene rigid structure into the fluorene derivative, the obtained fluorene derivative has an excellent film-forming property and high thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the fluorene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer,and can reduce the driving voltage, improve the efficiency and brightness, prolong the service life and the like. In addition, the preparation method of the fluorene derivative is simple, raw materials are easily available, and the industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Polycyclic boron-containing compound and electronic device thereof

The invention relates to a polycyclic boron-containing compound and an electronic device thereof. By introducing the boron element, the compound with rigid structural characteristics is constructed, and the rigid structure can effectively inhibit vibration relaxation caused by molecular vibration and rotation, thereby being beneficial to enhancing the fluorescence quantum yield of the molecules and reducing the half-peak width of the luminescent spectrum. In addition, due to the rigid structure, the molecules have excellent film-forming property and thermal stability, and the stability of thedevice can be further improved; in addition, since the polycyclic boron-containing compound is positioned at the 1 or 4 positions of carbazole and fluorenyl elements, no isomer is generated during preparation, and purification is facilitated. The electroluminescent device prepared from the compound provided by the invention has the advantages of low driving voltage, high luminous efficiency, longservice life, high spectral color purity and the like. In addition, the preparation method of the polycyclic boron-containing compound is simple, raw materials are easy to obtain, the materials are easy to purify, and the industrial development requirement can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Polycyclic organoboron derivative and electronic device

The invention relates to a polycyclic organoboron derivative and an electronic device. According to the polycyclic organoboron derivative disclosed by the invention, a cyclic rigid structure is introduced, so that the obtained organoboron derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the polycyclic organoboron derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer,an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and thelike. In addition, the preparation method of the polycyclic organic boron derivative is simple, raw materials are easy to obtain, and the industrial development requirement can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

2, 4, 7-trisubstituted fluorene compound and electronic device thereof

The invention provides a 2, 4, 7-trisubstituted fluorene compound and an electronic device thereof. According to the 2, 4, 7-trisubstituted fluorene compound disclosed by the invention, a fluorene rigid structure is introduced, so that the 2, 4, 7-trisubstituted fluorene compound is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the 2, 4, 7-trisubstituted fluorene compound can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce driving voltage, improve efficiency and brightness, prolong theservice life and the like. The preparation method of the 2, 4, 7-trisubstituted fluorene compound is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Spirobenzanthrone derivative and electronic device

The invention relates to a spirobenzanthrone derivative and an electronic device. According to the spirobenzanthrone derivative disclosed by the invention, a spirobenzanthrone rigid structure is introduced, so that the obtained spirobenzanthrone derivative is excellent in film-forming property and thermal stability, can be used for preparing an organic electroluminescent device, an organic field effect transistor and an organic solar cell, can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blockinglayer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like. The preparation method of the spirobenzanthrone derivative has characteristics of simpleness and easily available raw materials, and can meet industrial development requirements.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Thiphenanthridinone derivative, synthetic method thereof and electronic device containing thiaphenanthridinone derivative

The invention relates to the technical field of organic photoelectric materials, in particular to a thiaphenanthridinone derivative, a synthetic method thereof and an electronic device containing thethiaphenanthridinone derivative. The thiaphenanthridinone derivative is represented by a general formula (1), wherein L1 and L2 each independently represent a single bond, a carbonyl group, an aromatic hydrocarbon group having 6 to 18 carbon atoms, or an aromatic heterocyclic group having 5 to 18 carbon atoms. The thiaphenanthridinone derivative is excellent in film forming property and thermal stability by introducing a ring-shaped rigid structure, and can be used for preparing organic electroluminescent devices, organic field effect transistors and organic solar cells; and in addition, the thiaphenanthridinone derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light-emitting layer, an electron blocking layer, a hole blocking layer or anelectron transport layer, and has the advantages of being capable of reducing driving voltage, improving efficiency, brightness, prolonging service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Aza-naphthalene derivative, synthesis method and electronic device thereof

The invention relates to the technical field of organic photoelectric materials. The present invention relates to an aza-naphthalene derivative, a synthesis method thereof, and an electronic device containing the aza-naphthalene derivative. The aza-naphthalene derivative is represented by a general formula (1), wherein L1 to L3 each independently represents one or more of a single bond, a carbonylgroup, an aromatic hydrocarbon group having 6 to 18 carbon atoms, and an aromatic heterocyclic group having 5 to 18 carbon atoms. According to the aza-naphthalene derivative disclosed by the invention, an aza-naphthalene rigid structure is introduced, so that the obtained aza-naphthalene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the aza-naphthalene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

3,4-diazaspirofluorene derivative and synthetic method thereof and electronic device containing 3,4-diazaspirofluorene derivative

The invention relates to the technical field of organic photoelectric materials, specifically to a 3,4-diazaspirofluorene derivative and a synthetic method thereof, and an electronic device containingthe 3,4-diazaspirofluorene derivative. The 3,4-diazaspirofluorene derivative is as represented by a general formula (1) which is described in the specification. In the general formula (1), L1 to L3 each independently represent one or more selected from a group consisting of a single bond, a carbonyl group, an aromatic hydrocarbon group having 6 to 18 carbon atoms, and an aromatic heterocyclic group having 5 to 18 carbon atoms. According to the 3,4-diazaspirofluorene derivative disclosed by the invention, a 3,4-diazaspirofluorenone rigid structure is introduced, so the obtained 3, 4-diazaspirofluorene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solarcell. Furthermore, the 3,4-diazaspirofluorene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, ahole blocking layer or an electron transport layer, and can reduce driving voltage, improve efficiency, brightness, prolong service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Spirobenzofluorenone derivative and electronic device

The invention relates to a spirobenzofluorenone derivative and an electronic device. Through introduction of a spirobenzofluorenone rigid structure, the spirobenzofluorenone derivative provided by theinvention has excellent film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the spirobenzofluorenone derivative provided by the invention can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce a driving voltage, improve efficiency and brightness, prolong the service life and the like. Meanwhile, the preparationmethod for the spirobenzofluorenone derivative provided by the invention is simple, has easily-available raw materials, and can meet industrial development requirements.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

3,4-diazafluorenone derivative, synthesis method thereof, and electronic device containing 3,4-diazafluorenone derivative

The invention relates to the technical field of organic photoelectric materials, and concretely relates to a 3,4-diazafluorenone derivative, a synthesis method thereof, and an electronic device containing the 3,4-diazafluorenone derivative. The 3,4-diazafluorenone derivative is represented by general formula (1) shown in the description; and in the formula (1), L1 and L2 independently represent one or more of a single bond, a carbonyl group, a C6-18 aryl group and a C5-18 aromatic heterocyclic group. A 3,4-diazafluorenone rigid structure is introduced, so that the obtained 3,4-diazafluorenonederivative has an excellent film-forming property and an excellent thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organicsolar cell. In addition, the 3,4-diazafluorenone derivative can be used as a constituent material for a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness and prolong the service life.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Polycyclic aromatic hydrocarbon aza-naphthalene derivative, synthesis method and electronic device thereof

The invention relates to the technical field of organic photoelectric materials, in particular to a polycyclic aromatic hydrocarbon aza-naphthalene derivative, a synthesis method thereof and an electronic device containing the polycyclic aromatic hydrocarbon aza-naphthalene derivative represented by a general formula (1), wherein Z represents CR1 or N. According to the polycyclic aromatic hydrocarbon aza-naphthalene derivative disclosed by the invention, a polycyclic aromatic hydrocarbon aza-naphthalene rigid structure is introduced, so that the obtained polycyclic aromatic hydrocarbon aza-naphthalene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solarcell. In addition, the polycyclic aromatic hydrocarbon aza-naphthalene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Boron-containing fused ring compound and electronic device

The invention relates to the technical field of organic photoelectric materials, in particular to a boron-containing compound and an organic electroluminescent device. According to the boron-containing compound (formula I) disclosed by the invention, rigid aniline (such as iminodibenzyl) and other structures are introduced into a skeleton, so that the rigidity of the whole molecule is further enhanced, and the performance of the material is further improved by carrying out structural modification on the periphery of the rigid skeleton. The boron-containing fused ring compound disclosed by the invention has relatively narrow luminescence peak, excellent film-forming property and thermal stability and relatively high fluorescence quantum yield, and can be used for preparing an organic electroluminescent device. In addition, the boron-containing fused ring compound can be used as a constituent material of a light-emitting layer, and can reduce driving voltage and improve efficiency, brightness, service life, color purity and the like. In addition, the preparation method of the boron-containing fused ring compound is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:UNIV OF SCI & TECH OF CHINA

Fluoreno-aza-naphthalene derivative, synthesis method and electronic device thereof

The invention relates to the technical field of organic photoelectric materials, and specifically relates to a fluorene aza-naphthalene derivative, a synthesis method thereof, and an electronic devicecontaining the fluorene aza-naphthalene derivative, the fluorene aza-naphthalene derivative being represented by general formula (1), in which Y represents one or more of C (R1) 2, NR1, O, S, SO2, P(= O) R1, Si (R1) 2, Ge (R1) 2, or a single bond. According to the fluoreno-aza-naphthalene derivative disclosed by the invention, a fluoreno-aza-naphthalene rigid structure is introduced, so that theobtained fluoreno-aza-naphthalene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the fluoreno-aza-naphthalene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce driving voltage, improve efficiency and brightness, prolong the service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Metatriazine-like compound, electronic device and application

The invention relates to a metatriazine-like compound, an electronic device and application. According to the metatriazine-like compound disclosed by the invention, a metatriazine-like rigid structureis introduced, so that the obtained metatriazine-like compound is excellent in membrane-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the metatriazine-like compound can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like. Besides, the preparation method of the metatriazine-like compound is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Organic electroluminescent material based on tetraphenylhydrazine derivative and electronic device thereof

The invention belongs to the technical field of organic photoelectric materials, and provides an organic electroluminescent material based on tetraphenylhydrazine derivatives and an electronic device thereof. The tetraphenylhydrazine derivative has a structure as shown in a general formula (1), L1 and L2 independently represent a single bond, a carbonyl group, an aromatic hydrocarbon group with 6-18 carbon atoms or an aromatic heterocyclic group with 5-18 carbon atoms, and an electron donor group is introduced into the tetraphenylhydrazine rigid structure, so that the tetraphenylhydrazine derivative has the advantages that the electron donor group is introduced into the tetraphenylhydrazine rigid structure, and the electron donor group is introduced into the tetraphenylhydrazine rigid structure; the obtained tetraphenylhydrazine derivative has excellent film-forming property and thermal stability; the tetraphenylhydrazine derivative disclosed by the invention can also be used as a constituent material of a light-emitting layer, so that the driving voltage is reduced, the efficiency and the brightness are improved and the service life is prolonged. Besides, the preparation method of the tetraphenylhydrazine derivative is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:维思普新材料(苏州)有限公司

Metatriazine compound and electronic device

The invention relates to a metatriazine compound and an electronic device. By introducing a metatriazine rigid structure, the metatriazine compound provided by the invention has excellent film-formingproperty and thermal stability, and can be used for preparing organic electroluminescent devices, organic field effect transistors and organic solar cells. In addition, the metatriazine compound canbe used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like. In addition, the metatriazine compound is simple in preparation method, raw materialsare easy to obtain, and the industrial development requirement can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Acenaphtho-aza naphthalene derivative, preparation method thereof, infrared electronic device and infrared device

The invention provides an acenaphtho-aza naphthalene derivative, a preparation method thereof, an infrared electronic device and an infrared device, and relates to the technical field of organic photoelectric materials. By introducing the condensed ring structure of the acenaphtho-aza naphthalene derivative, the obtained acenaphtho-aza naphthalene derivative is excellent in film-forming property and thermal stability and relatively high in fluorescence quantum yield, and can be used to prepare an organic light-emitting device, an organic field effect transistor and an organic solar cell. Furthermore, the acenaphtho-aza naphthalene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce a driving voltage, improve efficiency, brightness, and lifespan, and the like. In addition, the preparation method of the acenaphtho-aza naphthalene derivative is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

Metatriazine derivative, electronic device and application

The invention relates to a metatriazine derivative, an electronic device and application. According to the metatriazine derivative disclosed by the invention, a metatriazine rigid structure is introduced, so that the obtained metatriazine derivative is excellent in membrane-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solar cell. In addition, the metatriazine derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like.In addition, the preparation method of the metatriazine derivative is simple, raw materials are easy to obtain, and the industrial development requirement can be met.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

2, 4-diazafluorene derivative and electronic device

The invention relates to a 2, 4-diazafluorene derivative and an electronic device. According to the 2, 4-diazafluorene derivative disclosed by the invention, a 2, 4-diazafluorene derivative structure is introduced, so that the obtained 2, 4-diazafluorene derivative has good film-forming property and thermal stability and can be used for preparing an organic electroluminescent device. The 2, 4-diazafluorene derivative disclosed by the invention can be used as a constituent material of a luminescent layer, a hole blocking layer or an electron transport layer, and can reduce driving voltage, improve efficiency, brightness, prolong the service life and the like.
Owner:维思普新材料(苏州)有限公司

4-substituent carbazole compound and electroluminescent device

The invention relates to the technical field of organic photoelectric materials, in particular to a 4-substituent carbazole compound and an electroluminescent device. According to the carbazole compound, an aromatic group is introduced to the position 4, and the carbazole compound has appropriate singlet state, triplet state and molecular orbital energy level, has relatively high thermal stability, chemical stability and carrier transport property, and can be used as an electroluminescent device material to improve the luminous efficiency of a device and reduce the driving voltage of the device.
Owner:CENT SOUTH UNIV

Organic electroluminescent material based on carbazole-9-yl-diphenylamine derivative and electronic device thereof

The invention relates to the technical field of organic photoelectric materials, and provides an organic electroluminescent material based on carbazole-9-yl-diphenylamine derivatives and an electronic device thereof. The carbazole-9-yl-diphenylamine derivative disclosed by the invention has a structure as shown in a general formula (1), wherein L1 to L4 independently represent a single bond, a carbonyl group, an aromatic hydrocarbon group with 6 to 18 carbon atoms or an aromatic heterocyclic group with 5 to 18 carbon atoms; an electron donor group is introduced into a carbazole-9-yl-diphenylamine rigid structure, so that the obtained carbazole-9-yl-diphenylamine derivative is excellent in film forming property and thermal stability. The carbazole-9-yl-diphenylamine derivative disclosed by the invention can be used as a constituent material of a light-emitting layer, and can reduce driving voltage, improve efficiency, brightness, prolong the service life and the like. Besides, the preparation method of the carbazole-9-yl-diphenylamine derivative is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:维思普新材料(苏州)有限公司

Phenylcarbazole spiro derivative and application thereof, organic electronic device, display device or lighting device

The invention provides a phenylcarbazole spiro derivative, an organic electronic device, a display device or a lighting device, and the phenylcarbazole spiro derivative has excellent film-forming property, thermal stability and photoelectric property through a molecular configuration and molecular orbital characteristics formed by matching a parent nucleus overall structure and branched chains of the phenylcarbazole spiro derivative. The compound can be used for preparing organic electroluminescent devices, organic field effect transistors and organic solar cells. In addition, the phenylcarbazole spiro derivative can be used as a constituent material of a hole injection layer, a hole transport layer, an electron blocking layer, a luminescent layer, a hole blocking layer and an electron transport layer of an electronic device, and can reduce driving voltage, improve efficiency, brightness, prolong the service life and the like. More importantly, the phenylcarbazole spiro compound can effectively isolate donor and acceptor groups, and is an ideal skeleton for constructing a thermally activated delayed fluorescent material. The preparation method of the phenylcarbazole spiro derivative is simple, raw materials are easy to obtain, and industrial development requirements can be met.
Owner:维思普新材料(苏州)有限公司

2, 4-diazaspirofluorene derivative and electronic device

The invention relates to a 2, 4-diazaspirofluorene derivative and an electronic device. According to the 2, 4-diazaspirofluorene derivative disclosed by the invention, a unique 2, 4-diazaspirofluorene derivative mother nucleus structure formed by combining biphenyl spirofluorene and a D-pi-A structure is introduced, so that the obtained 2, 4-diazaspirofluorene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic electroluminescent device. The 2, 4-diazaspirofluorene derivative provided by the invention can be used as a constituent material of a luminescent layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, the brightness and prolong the service life.
Owner:维思普新材料(苏州)有限公司

1, 3-diazafluorenone derivative and electronic device

The invention relates to a 1, 3-diazafluorenone derivative and an electronic device. According to the 1, 3-diazafluorenone derivative disclosed by the invention, a 1, 3-diazafluorenone structure is introduced, so that the obtained 1, 3-diazafluorenone derivative is excellent in thermal stability and is used for preparing an organic electroluminescent device. Besides, the 1, 3-diazafluorenone derivative disclosed by the invention can be used as a constituent material of a luminescent layer, a hole blocking layer or an electron transport layer, and can reduce driving voltage, improve efficiency, brightness, prolong the service life and the like.
Owner:维思普新材料(苏州)有限公司
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