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

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.

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.

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.

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.

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.

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.

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.

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.

The present invention provides 2,4,7-trisubstituted fluorene compounds and electronic devices thereof. The 2,4,7-trisubstituted fluorene compound of the present invention has excellent film-forming property and thermal stability by introducing a fluorene-based rigid structure, and can be used for preparing organic electroluminescence devices, organic field effect transistors and organic solar cells. In addition, the 2,4,7-trisubstituted fluorene-based compound of the present 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 driving voltage, improve efficiency, brightness and life, etc. The preparation method of the 2,4,7-trisubstituted fluorene compound of the present invention is simple, the raw materials are easily obtained, and the development requirements of industrialization can be met.

The invention relates to the technical field of organic photoelectric materials, in particular to a 4-substituent carbazole compound and an electroluminescent device. The carbazole compound introduces an aromatic group at the 4-position, which has suitable singlet, triplet and molecular orbital energy levels, and has high thermal stability, chemical stability and carrier transport property, as Electroluminescent device materials can improve the luminous efficiency of the device and reduce the driving voltage of the 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.

The present invention relates to fluorene derivatives and electronic devices. The fluorene derivatives of the present invention have excellent film-forming properties and thermal stability by introducing the rigid structure of the fluorene derivatives, and can be used for preparing organic electroluminescence devices, organic field effect transistors and organic solar cells. In addition, the fluorene derivatives of the present invention can be used as constituent materials of hole injection layer, hole transport layer, light emitting layer, electron blocking layer, hole blocking layer or electron transport layer, which can reduce driving voltage, improve efficiency, brightness and Lifespan etc. In addition, the preparation method of the fluorene derivatives of the present invention is simple, and the raw materials are readily available, which can meet the development needs of industrialization.

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.

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.