40results about How to "Easy Sublimation Purification" patented technology

The invention relates to a metal complex, an organic electroluminescent material containing the metal complex, an organic electroluminescent element and an electronic device. The molecular formula ofthe metal complex is M(L)x(L)y(L<c>)z. The provided electroluminescent element containing the metal complex is dark red and has high luminous efficiency, meanwhile, heat stability of the material is good, and the material is easy to prepare and easy to purify, so that the material is an ideal choice as the luminescent material of the organic electroluminescent element.

The invention relates to a metal complex, an organic electroluminescent device containing the metal complex and an organic electroluminescent material. The metal complex has a molecular formula of M(LA)x(LB)y(Lc)z. The electroluminescent device containing the metal complex emits dark red light, and is high in luminescence efficiency; and the material has good thermal stability, can be easily prepared and purified, and is an ideal choice for a luminescent material of an organic electroluminescent device.

The invention discloses a metal complex, an organic electroluminescent device containing the metal complex, and an organic electroluminescent material. The molecule formula of the metal complex is M(LA)x(LB)y(Lc)z. The metal complex electroluminescent device provided by the invention is dark red, and has high external quantum efficiency, also the material has good thermal stability, and the material is easily prepared and easily purified, thus being an ideal choice of organic electroluminescent device's luminescent material.

The invention discloses a metal iridium or platinum complex and an organic electroluminescent device comprising the metal iridium or platinum complex. A structural formula of the metal iridium or platinum complex is as shown in structural formula I shown in the description. The organic electroluminescent device emits deeply blue to green light, and is high in light-emitting efficiency; meanwhile,the material is good in thermal stability, is easy to prepare, is easy to purify, and is an ideal choice of a light-emitting material of the organic electroluminescent device.

The invention relates to a novel iridium complex taking heterocyclic nitrogen as a main ligand and taking a thiobis diaryl / aromatic heterophosphamide compound as an auxiliary ligand. The heterocyclicnitrogen and phosphorus-sulfur groups in iridium complex molecules are helpful for increasing the electron mobility of a material and regulating the luminescence color, injection and transmission of cavity and electrons can be balanced, a composite area of a carrier is widened, the equipment efficiency is increased, and the efficiency roll-off is reduced. The iridium complex has the advantages ofsimple synthesis, stable chemical properties, easy sublimation purification, and excellent equipment performance, and provides convenience for acquiring a high-efficiency organic electroluminescent device and an application of the high-efficiency organic electroluminescent device in the fields of illumination and display.

The invention relates to a ternary iridium complex with novel ligands. The ligands in the molecules of the iridium complex are 2,3-diphenylquinoxaline, 2,3-diphenyl pyridine[2,3-b]pyrazine, 2,3-diphenyl pyrazine [2,3-b]pyrazine, dibenzo[a,c]phenazine, and dipyrido [3,2-a:2',3' -c] phenazine derivatives. The novel iridium complex possesses high luminous efficiency, is stable in chemical properties, and is easy to purify; sublimation is easy to realize; and device performance is excellent. According to a preparation method, the molecular structures of the ligands are modified, so that the luminous intensity and efficiency of the iridium complex can be adjusted in a red light wave range, and convenience is provided for design and production of OELDs and lighting sources.

The invention relates to a platinum complex shown as general formula (I). Compared with platinum complexes researched and reported widely, the novel platinum complex has the advantages of high light-emitting efficiency, small light-emitting quenching effect, high chemical property stability, high electronic transmission efficiency and excellent device performance and brings great convenience to design and production of organic light-emitting devices and lighting sources.

The invention discloses a metal complex and an organic electroluminescent device including the metal complex. The molecular formula of the metal complex is M(LA)x(LB)y. The organic electroluminescentdevice including the metal complex is high in light-emitting efficiency, the thermal stability of the metal complex is high, and the metal complex is easy to prepare and purify and is an ideal choiceas a light-emitting material of the organic electroluminescent device.

The invention relates to iridium complexes having novel main ligands and taking tetraphenylphosphonium imide as an auxiliary ligand. The main ligands in the series of iridium complex molecules are (R-)4-piperidine-2-phenylpyridine or (S-)4-piperidine-2-phenylpyridine derivatives containing chiral phenylpyridine groups. Compared with an iridium complex which is widely researched and reported, the novel iridium complex covered by the invention has the advantages of high light-emitting efficiency, small luminescent quenching effect caused by concentration factors, high electronic mobility, stable chemical properties, easiness for sublimation and purification, and the like; in addition, the device is excellent in performance. By modifying a molecular structure of the main ligand, the luminous intensity and efficiency of the complex can be adjusted within a wavelength range of visible light, which provides convenience for design and production of an organic light emitting diode display and an illuminating light source. Meanwhile, the series of novel iridium complexes introduced in the invention are simple in synthesis method, higher in yield and flexible in chemical modification aiming at the ligands.

The invention relates to a novel iridium complex with a nitrogen heterocyclic ring as a main ligand and a thiocarboxylic acid compound as an auxiliary ligand. The nitrogen heterocyclic ring and a carbon-sulfur group in an iridium complex molecule help to improve the electron mobility of the material and control a luminescence color, so the injection and transmission of holes and electrons are balanced, the current carrier recombination region is broadened, the device efficiency is improved and the efficiency roll-off is reduced. The iridium complex has the advantages of simple synthesis, stable chemical property, easy sublimation and purification, and excellent device performance, and provides convenience for the acquisition of high-efficiency organic electroluminescent devices and application in the technical fields of lighting and display.

The invention relates to a novel iridium complex taking heterocyclic nitrogen as a main ligand and taking a dithiolyl ring / aromatic heterocyclic phosphate compound as an auxiliary ligand. The heterocyclic nitrogen and phosphorus-sulfur groups in iridium complex molecules are helpful for increasing the electron mobility of a material and regulating the luminescence color, injection and transmissionof cavity and electrons can be balanced, a composite area of a carrier is widened, the equipment efficiency is increased, and the efficiency roll-off is reduced. The iridium complex has the advantages of simple synthesis, stable chemical properties, easy sublimation purification, and excellent equipment performance, and provides convenience for acquiring a high-efficiency organic electroluminescent device and an application of the high-efficiency organic electroluminescent device in the fields of illumination and display.

The invention relates to a class of iridium complexes which have novel main ligands and uses tetrakis(4-trifluoromethyl-3-pyridyl)phosphonimides or tetrakis(4-trifluoromethyl-3,5-pyrimidinyl)phosphonimides as auxiliary ligands. The main ligands in the molecule of this class of iridium complexes is any one selected from 2-(4,6-bis-trifluoromethylpyridine-3-)quinoline, 2-(4,6- bis-tribenzymethylpyridine-4-)quinoline, 2-(4,6-bis-trifluoromethylpyridine-3-)isoquinoline, 2-(4,6-bis-tribenzymethylpyridine-4-)isoquinoline, 2-(4,6-(bis-trifluoromethylpyridine-3-)quinazoline, 2-(4,6-bis-tribenzymethylpyridine-4-)quinazoline, 2-(4,6-bis-tribenzymethylpyridine-3-)phthalazie and 2-(4,6-bis-tribenzymethylpyridine-4-)phthalazine derivatives. Not only the novel iridium complexes have the advantages of being high in luminous efficiency, stable in chemical properties, easy to sublimate and purify and the like, but also the electroluminescent devices using the iridium complexes are excellent in the performance. By modifying the molecular structure of the ligands, it is possible to adjust the luminous intensity and efficiency of the complexes in the red wavelength range, and the design and production of both organic electroluminescent displays and illumination light sources are facilitated.

The invention relates to one type of iridium complex, a preparation method of the iridium complex and an organic electroluminescence device using the iridium complex. The series of iridium complex molecule comprises two benzene dipyridine derivatives serving as main ligands and auxiliary ligands containing nitrogen heterocycle phosphoric acid structures. Compared with the iridium complex which has been widely researched and reported, the type of novel iridium complex covered by the invention has the advantages of high light emitting efficiency, stable chemical property and high possibility of sublimation and purification; meanwhile, due to the introduction of strong electron phosphoric acid ligand structures, the light emitting color of the complex can be effectively regulated; by modifying the molecule structures of the main ligands and the auxiliary ligands, the light emitting position of the complex in the blue light wavelength range can be adjusted, so that the convenience is brought to design and production of organic electroluminescence displays and lighting sources; meanwhile, the series of novel iridium complex introduced by the invention is simple in synthesis method, high in yield and flexible in chemical modification on the main ligands and the auxiliary ligands.

The invention relates to a ternary co-ligand indium complex with novel ligands. The ligands of indium complex molecules are 2-(4,6-bistrifluoromethyl picolyl-3-)pyridine, 2-(4,6-bistrifluoromethyl picolyl-4-)pyridine, 2-(4,6-bistrifluoromethyl picolyl-3-)pyrimidine, 2-(4,6-bistrifluoromethyl picolyl-4-)pyrimidine, 2-(4,6-bistrifluoromethyl picolyl-3-)pyrazine, 2-(4,6-bistrifluoromethyl picolyl-4-)pyrazine, 2-(4,6-bistrifluoromethyl picolyl-3-)triazine and 2-(4,6-bistrifluoromethyl picolyl-4-)triazine derivatives. The novel indium complex has the advantages of being high in light-emitting efficiency, stable in chemical property, capable of achieving sublimation and purification and the like, and good in device performance. By modifying the molecular structure of the ligands, the light-emitting strength and efficiency of the complex can be adjusted within the green light wavelength range, and convenience is provided for design and production of an organic electroluminescence display and a lighting source.

The invention relates to an iridium complex which comprises novel main ligand and 2-(5-phenyl-1,3,4-oxadiazole-2-)phenol or 2-(5-(3-pyridine)yl-1,3,4-oxadiazole-2-)phenol as auxiliary ligand, wherein the main ligand of the series of the iridium complex is any one of 2,3-diphenyl quinoxaline, 2,3-diphenyl pyridine[2,3-b]pyrazine, 2,3-diphenyl pyrazine[2,3-b]pyrazine, dibenzo[a,c]phenazine and dipyridino[3,2-a:2',3'-c]phenazine derivatives. The iridium complex provided by the invention has the advantages of being high in light emission efficiency, stable in chemical property, easy to sublimate and purify, and the like, and is excellent in device property. By modifying the molecular structure of the ligand, the light emission intensity and the light emission efficiency of the ligand can be adjusted within an infrared wavelength range, and thus convenience can be brought to design and production of electroluminescence displays and illumination light sources.

The invention relates to a kind of iridium complexes, which comprise a novel main ligand and an auxiliary ligand 4(4-trifluoromethyl-3-pyridyl)phosphonylimine or 4(4-trifluoromethyl-3,5-pyrimidinyl)phosphonylimine. The main ligand of the series of iridium complex molecules is any one of 2,3-dibenzylquinoxaline, 2,3-dibenzyl pyridine [2,3-b] pyrazine, 2,3-dibenzyl pyrazine [2,3-b] pyrazine, dibenzo[a,c]phenazine, and bipyridine[3,2-a:2',3'-c]phenazine derivatives. The novel kind of iridium complexes have the advantages of high luminous efficiency, stable chemical properties, easy sublimation and purification, excellent device performance, and the like. The molecular structure of the ligand is modified, so that luminous intensity and efficiency of the complexes are adjusted in the red light wavelength range, and convenience is provided for design and production of organic electroluminescent displays and lighting sources.

The invention relates to iridium complexes and a preparation method thereof, and an electroluminescent device using the iridium complexes, particularly iridium complexes using 2-(5-(3-pyridyl-1,3,4-oxadiazolyl-2-)phenols as auxiliary ligands. The main ligands in the iridium complex molecules are 2-(4,6-ditrifluoromethylpyridyl)pyridine, 2-(4,6-ditrifluoromethylpyridyl)pyrimidine, 2-(4,6-ditrifluoromethylpyridyl)pyrazine and 2-(4,6-ditrifluoromethylpyridyl)triazine derivatives. The novel iridium complexes provided by the invention have the advantages of high luminescence efficiency, high electron mobility, stable chemical properties, easy sublimation and purification and the like; and the device has favorable properties. The molecular structure of the modifying main ligands can regulate the luminescent intensity and efficiency of the complexes within the green light wavelength range, thereby facilitating the design and production of the organic electroluminescent displays and illuminating light sources.

The invention relates to an iridium complex, a preparation method thereof and an electroluminescent device applying the iridium complex. The iridium complex with tetra(4-fluorophenyl)phosphine imide as an ancillary ligand is characterized in that main ligands in molecules of the series of iridium complex are any one of 2-(4,6-bis(trifluoromethyl)pyridine)yl pyridine, 2-(4,6-bis(trifluoromethyl)pyridine)yl pyrimidine, 2-(4,6-bis(trifluoromethyl)pyridine)yl pyrazine and 2-(4,6-bis(trifluoromethyl)pyridine)yl triazine derivatives. The iridium complex, the preparation method and the electroluminescent device have the beneficial effects that the novel iridium complex has the advantages of high luminous efficiency, high electron mobility, stable chemical properties, easiness in sublimation and purification, and the like as well as excellent device properties; and the luminous intensity and efficiency of the complex can be regulated in the wavelength range of green light by modifying the molecular structures of the main ligands, thereby providing convenience for design and production of organic electroluminescent displays and lighting sources.

The invention discloses an organic small molecular photoelectric functional material adopting 3-benzoylpyridine as a receptor unit, which mainly depends on hydrogen-bond interaction of nitrogen in benzoylpyridine, can effectively avoid the deficiency of low radiation rate caused by large torsion angle, thereby improving the horizontal molecular orientation, and realizing the structure simplification of devices and performance of the devices and prolonging the service life. By controlling the type and size of a donor connecting unit, the intrinsic characteristics of the material such as a molecular weight, a conjugated length, charge transfer and the like can be effectively adjusted. The invention also discloses a preparation method and application of the organic small molecular photoelectric functional material. The organic small molecular photoelectric functional material adopting 3-benzoylpyridine as the receptor unit has the advantages that the radiation rate coefficient is high, the quantum efficiency is high, the current carrier transport performance is high, the color is adjustable when being used as a luminescent layer of an organic electroluminescent device, high efficiencyand stability can be realized, the service life is long, and the like.

The invention relates to iridium complexes, wherein 2-(5-phenyl-1,3,4-oxadiazole-2-)phenol or 2-(5-(3-pyridine)-yl-1,3,4-oxadiazole-2-)phenol is emplyoed as an auxiliary ligand; and a derivative of any one of 2-(4,6-ditrifluoromethylpyridine-3-)quinoline, 2-(4,6-ditrifluoromethylpyridine-4-)quinoline, 2-(4,6-ditrifluoromethylpyridine-3-)isoquinoline, 2-(4,6-ditrifluoromethylpyridine-4-)isoquinoline, 2-(4,6-ditrifluoromethylpyridine-3-)quinazoline, 2-(4,6-ditrifluoromethylpyridine-4-)quinazoline, 2-(4,6-ditrifluoromethylpyridine-3-)phthalazine and 2-(4,6-ditrifluoromethylpyridine-4-)phthalazine is employed as a main ligand. The luminous intensity and efficiency of the iridium complexes, within the wavelength range of red light, can be regulated.

The invention relates to an iridium complex with a novel coordination mode and taking nitrogen heterocyclic ring phosphoric acid as an auxiliary ligand. The series of iridium complexes contains two phenyl dipyridyl derivatives serving as main ligands and an auxiliary main ligand with a nitrogen heterocyclic ring phosphoric acid structure. Compared with the widely studied and reported iridium complexes, the novel iridium complex provided by the invention has the advantages of high luminous efficiency, stable chemical properties, easiness in sublimation and purification and the like; and moreover, due to the introduction of a strong electronic phosphoric acid coordination structure, the emitting color of the complex can be effectively controlled. By modifying the molecular structures of the main ligand and auxiliary ligand, the light emitting position of the complex can be adjusted within the wavelength range of blue light, thereby facilitating the design and production of organic electroluminescence displays and lighting sources. Meanwhile, according to the series of novel iridium complexes provided by the invention, the synthesis method is simple, the yield is relatively high, and the chemical modification of the main ligand and auxiliary ligand is flexible.

The invention relates to an iridium complex having a novel main ligand and regarding 4 (3, 5-pyrimidyl) phosphine imide as an auxiliary ligand.The main ligand of the series of iridium complex molecules is any one of 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyridine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyridine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyrimidine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyrimidine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyrimidine pyrazine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyrazine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base triazine and a derivative of a 2-(4, 6-bistrifluoromethyl pyridine-4-) base triazine.The novel iridium complex has the advantages of being high in light emitting efficiency, high in electronic mobility, stable in chemical property, prone to sublimation and purification and the like and is excellent in device performance.

The invention relates to an iridium complex having novel main ligands and regarding 4 (4- trifluoromethyl phenyl) phosphine imide as an auxiliary ligand.The main ligands of the series of iridium complex molecules are 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyridine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyridine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyrimidine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyrimidine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base pyrazine, 2-(4, 6-bistrifluoromethyl pyridine-4-) base pyrazine, 2-(4, 6-bistrifluoromethyl pyridine-3-) base triazine and a derivative of a 2-(4, 6-bistrifluoromethyl pyridine-4-) base triazine.According to the novel iridium complex, the molecular structures of the main ligands are modified, light emitting strength and efficiency of the complex can be adjusted within the green light wavelength range, and convenience is provided for design and production of an organic electroluminescent display and a lighting light source; meanwhile, a series of novel iridium complexes are simple in synthesis method, high in yield and flexible in chemical modification of the ligands.

The invention relates to a novel iridium complex with a nitrogen heterocyclic ring as the main ligand and a dithioaromatic / aromatic heterocyclic phosphoric acid compound as an auxiliary ligand. The nitrogen heterocycle and phosphorus-sulfur group in the iridium complex molecule help to improve the electron mobility of the material and regulate the luminous color, thereby balancing the injection and transport of holes and electrons, broadening the recombination area of ​​carriers, and improving device efficiency. , reducing efficiency roll-off. The iridium complex of the invention has the advantages of simple synthesis, stable chemical properties, easy sublimation and purification, and excellent device performance, which provides convenience for obtaining high-efficiency organic electroluminescent devices and their applications in the fields of lighting and display.

The invention relates to an iridium complex, wherein the iridium complex has a novel main ligand, and 2-(5- phenyl-1, 3, 4- oxadiazole-2-) phenol serves as an auxiliary ligand; main ligands in the series of iridium complex molecules include 2-(4, 6- bis(trifluoromethyl) pyridine-3-) base pyridine, 2-(4, 6-bis(trifluoromethyl) pyridine-4-) base pyridine, 2-(4, 6- bis(trifluoromethyl) pyridine-3-) base pyrimidine, 2-(4, 6-bis(trifluoromethyl) pyridine-4-) base pyrimidine, 2-(4, 6- bis(trifluoromethyl) pyridine-3-) base pyrazine, 2-(4, 6-bis(trifluoromethyl) pyridine-4-) base pyrazine, 2-(4, 6- bis(trifluoromethyl) pyridine-3-) base triazine and a 2-(4, 6-bis(trifluoromethyl) pyridine-4-) base triazine derivative.The novel iridium complex has the advantages of being high in light-emitting efficiency, high in electronic mobility, stable in chemical property, prone to sublimation and purification and the like and is excellent in device performance.

The invention relates to a metal complex, an organic electroluminescence device and application. The metal complex disclosed by the invention can be used for preparing a red phosphorescent material with high luminous efficiency, an organic electroluminescent material prepared from the metal complex disclosed by the invention is good in thermal stability, and the metal complex disclosed by the invention is easy to prepare, sublimate and purify and has a very wide market prospect; besides, according to the organic light-emitting device prepared by taking the metal complex as an organic light-emitting layer, the organic light-emitting device of which the electroluminescence is green to red phosphorescence and the light-emitting efficiency is improved can be obtained, and the organic light-emitting device prepared by utilizing the metal complex is good in thermal stability.

The invention relates to three-element co-ligand iridium complexes with novel ligands. The ligands in molecules of the iridium complexes in the series are 2-(4,6-bis(trifluoromethyl)pyridine-3-)quinoline, 2-(4,6-bis(trifluoromethyl)pyridine-4-)quinoline, 2-(4,6-bis(trifluoromethyl)pyridine-3-)isoquinoline, 2-(4,6-bis(trifluoromethyl)pyridine-4-)isoquinoline, 2-(4,6-bis(trifluoromethyl)pyridine-3-)quinazoline, 2-(4,6-bis(trifluoromethyl)pyridine-4-)quinazoline, 2-(4,6-bis(trifluoromethyl)pyridine-3-)phthalazine and 2-(4,6-bis(trifluoromethyl)pyridine-4-)phthalazine derivatives. The novel iridium complexes have the advantages that the luminous efficiency is high, the chemical property is stable, sublimation purification is easy and the like, and besides, the performance of a device is good. The luminous intensity and efficiency of the ligands can be adjusted in the wavelength coverage of red light through a molecular structure modifying the ligands, which brings convenience to design and production of organic electroluminescent displays and lighting sources.

The invention relates to an iridium complex and a preparation method thereof, and an organic electroluminescent device using the iridium complex. Molecules of the serial iridium complex include two phenyl-linked pyridine derivatives as a main ligand and an auxiliary ligand containing azo-heterocyclic phosphate structure. Compared with iridium complexes already widely researched and reported, the novel iridium complex covered herein has the advantages such as high luminescent efficiency, chemical property stability and ease of sublimation purification; as intense electronic phosphate coordination structure is introduced, light color of the complex can be effectively controlled. By modifying molecular structures of the main ligand and auxiliary ligand, it is possible to regulate luminescent position of the complex in a blue ray wavelength range, and this facilitates the design and production of organic electroluminescent displays and lighting sources. Meanwhile, the serial novel iridium complex described herein is simple to synthesize, high in yield and is flexible in chemical modification for the main ligand and auxiliary ligand.

The invention relates to a metal complex and an organic electroluminescent device, the metal complex is a metal complex electrophosphorescent luminescent material with a fused ring structure, the metal complex electroluminescence is dark red, the luminous efficiency is high, the thermal stability of the material is good, the material is easy to prepare and sublimate and purify, and the organic electroluminescent device is suitable for large-scale production. And the market prospect is very wide.