44results about How to "Reduce vibration energy loss" patented technology

The invention discloses a metal complex and an OLED (Organic Light Emitting Device) thereof, and relates to the technical field of organic photoelectric materials. The metal complex has a structure asshown in a formula (I), wherein an electron-rich dinitrogen coordination structure in the structure of the metal complex is beneficial for stabilizing central trivalent metal cations, and meanwhile,electron cloud distribution on metal iridium can also be affected, so that great influence to the photoelectric properties of a whole complex molecule can be generated; a quaternary ring formed by a ligand of the dinitrogen coordination structure and metal has stronger rigidity and is beneficial for reducing unnecessary vibration energy loss and realizing high-efficiency luminescence property. Byregulating substituent groups, the metal complex has better thermal stability and chemical property; by preparing the metal complex into a device and particularly using the metal complex as a doping material, the device has the advantages of low driving voltage and high luminous efficiency and is superior to a commonly used OLED.

The invention discloses a metal organic complex and an organic light emitting device thereof, and relates to the technical field of organic photoelectric materials. The complex has a structure as shown in a formula (I), an electron-rich dinitrogen coordination structure in a complex structure helps to stabilize central trivalent metal cations and can affect electronic cloud distribution on metal iridium, so that photoelectric properties of an integrated complex molecule are greatly affected, a ligand with the dinitrogen coordination structure and a metal four-membered ring have high rigidity,unnecessary vibration energy loss is reduced, and efficient light emitting performance is achieved. The complex has better heat stability and chemical properties by adjusting a substitutional group. The complex is prepared into the device and serves as a doping material, so that the device has the advantages of low driving voltage and high light emitting efficiency and is superior to an existing common OLED (organic light-emitting diode) device.

The invention discloses a complex and an OLED (organic light emitting diode) with the same and relates to the technical field of organic optoelectronic materials. According to the complex, by means ofintroduction of a big Pi conjugated structure and a steric hindrance group, collision of triplet excitons is reduced, and the problem of roll-off of efficiency of the OLED under the large current density is solved; an electron-rich dinitrogen coordination structure in the structure is beneficial to stabilizing central trivalent metal cations and also affects electron cloud distribution on metal iridium, thereby producing great influence on photoelectric property of the whole complex molecule; besides, a four-membered ring consisting of ligands of the dinitrogen coordination structure and metals has higher rigidity, so that reduction of unnecessary vibration energy loss is facilitated, and efficient luminescence property is realized. The complex is enabled to achieve better heat stabilityand chemical properties by regulating substitutional groups. The OLED is prepared from the complex, and especially when the complex is taken as a doping material, the OLED shows the advantages of lowdrive voltage and high luminous efficiency and is better than a present common OLED.

The present invention relates to a triphenylene derivative for an organic light-emitting element, a light-emitting element material containing the triphenylene derivative, and a light-emitting element, and more specifically, to a soluble organic compound having excellent color purity and high brightness and light-emitting efficiency, and an OLED device using the compound. The compound is characterized by being represented by a general formula (1).

The invention discloses an iridium-containing coordination compound and an organic light-emitting device thereof, and relates to the technical field of an organic photoelectric material. The iridium-containing coordination compound has a structure as shown in a formula (I); an electron-rich dinitrogen coordination structure in the iridium-containing coordination compound is favorable for stabilizing central trivalent metal cation and influences distribution of electron cloud on metal iridium, so that great influence on the photoelectric property of the whole coordination compound molecule is generated; furthermore, a four-membered ring consisting of a ligand and metal of the dinitrogen coordination structure has higher rigidity, so that unnecessary vibration energy loss is reduced and high-efficiency light-emitting property is achieved. The coordination compound has higher heat stability and chemical property by adjusting a substitutional group. The iridium-containing coordination compound is prepared into the organic light-emitting device, in particular serves as a doping material, the device shows up the advantages of low driving voltage and high light-emitting efficiency and isbetter than the existing common OLED device.

The invention discloses an iridium-containing metal compound and an organic light-emitting device thereof, and relates to the technical field of an organic photoelectric material. The iridium-containing metal compound has a structure shown as a formula (I) and structurally comprises a first ligand and an auxiliary ligand, wherein an electron-rich dinitrogen coordination structure in the auxiliaryligand structure is favorable for stabilizing the center trivalent metal cations; meanwhile, the electronic cloud distribution on the metal iridium can also be influenced; great influence can be generated on the photoelectric property of the whole compound molecules; in addition, a four-membered ring formed by the ligands of the dinitrogen coordination structure and metal has higher rigidity; theunnecessary vibration energy loss can be favorably reduced; the efficient luminous performance is realized; by regulating the substituent groups, the compound has higher stability and better chemicalproperties. When the iridium compounds are prepared into devices, particularly when the iridium compounds are used as doping materials, the device shows the advantages of low driving voltage and highluminous efficiency and is superior to the existing common use OLED (Organic Light Emitting Diode) device.

The invention discloses a phenanthroline-containing organic complex and an organic light emitting device (OLED) thereof and relates to the technical field of organic photoelectric materials. An electron-rich diazo coordination structure in the complex structure is favorable for stabilizing the central trivalent metal cation and also influences the distribution of electron cloud on metal iridium, thereby generating great influence on photoelectric properties of whole complex molecules; and a four-membered ring composed of the ligand of the diazo coordination structure and metal has stronger rigidity, thereby being favorable for reducing unnecessary vibration energy loss and realizing efficient light emitting performance. By adjusting substituent groups, the complex has better thermal stability and chemical properties. The complex can be prepared into a device and especially can serve as a doping material, and the device shows the advantages of low driving voltage and high light emittingefficiency and is superior to an existing common OLED.

The invention discloses a metal-containing organic complex and an OLED (organic light-emitting diode) containing the same, and relates to the technical field of organic optoelectronic materials. The organic complex structurally comprises a first ligand and an auxiliary ligand, wherein an electron-rich double-nitrogen coordination structure in the auxiliary ligand structure is beneficial to stabilization of central trivalent metal cations and also affects electron cloud distribution on metal iridium, a four-membered ring formed by metal and the ligand with the double-nitrogen coordination structure has higher rigidity, so that unnecessary vibration energy loss can be reduced, and high-efficiency luminescence performance is realized. The first ligand is aryl/heteroaryl nitrogen heterocyclicring structure, red shift of the luminescence performance of the compound is realized by means of large conjugation range, and after introduction of heterocyclic rings containing nitrogen atoms, electron transmission efficiency or hole transmission efficiency can be improved respectively by structural modulation. The device is prepared from the complex which is particularly used as a doping material, shows the advantages of low driving voltage and high luminescence efficiency and is better than the conventional common OLEDs.

The invention relates to an organic compound and an organic light-emitting device using the same, and specifically relates to a soluble organic compound having excellent color purity and high luminance and light-emitting efficiency and an OLED device using the same. The structure of the organic compound provided by the invention is shown as a formula 1 in the description. In the structural formula, Ar1 and Ar2 are independently selected from substituted or unsubstituted C1-C30 alkyl, substituted or unsubstituted C10-C30 condensed ring group, substituted or unsubstituted C8-C30 heteroaryl, substituted or unsubstituted C13-C30 amine derivative or fluorene derivative; and Z represents a substituted or unsubstituted naphthalene derivative.

The present invention relates to a red phosphorescent host compound and an organic light emitting device using the same, and more specifically, to a soluble phosphorescent host compound having excellent color purity and high luminance and light-emitting efficiency, and an OLED device using the same. The structure of the red phosphorescent host compound provided by the invention is shown as a formula 1, wherein in the structural formula, Ar1 and Ar2 are independently selected from substituted or unsubstituted C6-C30 aryl and substituted or unsubstituted C2-C30 heteroaryl respectively, R1 to R4are independently selected from a substituted or unsubstituted alkyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C3-C60 nitrogen-containing heteroaryl group, or a combination of the substituted or unsubstituted alkyl group, the substituted or unsubstituted C6-C60 aryl group and the substituted or unsubstituted C3-C60 nitrogen-containing heteroaryl group.

The invention discloses an axial ultrasonic vibration hydraulic bulging structure for a tubular product. The axial ultrasonic vibration hydraulic bulging structure for the tubular product comprises anupper die base and a lower die base which are arranged in parallel up and down, wherein a first guide column and a second guide column are arranged between the upper die base and the lower die base;the upper die base is provided with a first guide sleeve and a second guide sleeve which are arranged on the first guide column and the second guide column in a sleeving manner correspondingly; the upper die base is provided with an amplitude-change pole penetrating the upper die base; an energy converter is arranged at the end of the upper end of the amplitude-change pole, and a shaft pressing head is arranged at the end of the lower end of the amplitude-change pole; and a liquid filling base, a distance ring and a positioning ring are sequentially arranged on the upper surface of the lower die base from bottom to top. The axial ultrasonic vibration hydraulic bulging structure for the tubular product is simple in structure, convenient to dismount and mount, easy to operate, high in tubular product forming efficiency and low in needed shaft pressure and hydraulic pressure, the bulging length of a tubular product can be adjusted, and bulging of a special-shaped section pipe fitting is achieved.

The present invention provides a host material and an organic light-emitting device comprising the same. The host material comprises at least one first host compound and at least one second host compound, wherein the first host compound is represented by the following Formula 1 and the second host compound is represented by the following Formula 2. The organic light-emitting device of the present invention has excellent luminous efficiency and lifespan.

The invention discloses a metal-containing organic complex and an organic light-emitting device (OLED) thereof and relates to the technical field of organic photoelectric materials. The complex structurally comprises a first ligand and an auxiliary ligand, wherein the first ligand has a certain electron attraction property and the compounding rate of holes and electrons on a luminous layer is improved, so that the luminous efficiency of the organic light-emitting device is improved; an electron-enriched double-nitrogen ligand structure in the structure of the auxiliary ligand is good for stabilizing trivalent metal cations at the center; meanwhile, the distribution of electron clouds on metal iridium is also influenced, so that very great influences on photoelectric properties of moleculesof the whole complex are generated; a four-membered ring composed of the ligand with the double-nitrogen ligand structure and the metal has stronger rigidity, the unnecessary loss of vibration energyis easy to reduce and efficient luminous performance is realized. The first ligand and the auxiliary ligand are combined to prepare the organic light-emitting device; especially, the complex is usedas a doping material and has the advantages of low driving voltage and high luminous efficiency, and the properties are better than the properties of existing common OLEDs.

The invention discloses an iridium metal organic complex and an organic light emitting device thereof and relates to the technical field of organic photoelectric materials. The iridium metal organic complex structurally comprises first ligand and auxiliary ligand. The first ligand comprises electrophilic pentabasic aryl and is capable of effectively improving the electron transmission capability of a material, increasing a compounding rate of cavities and electrons on a light emitting layer, and then the light emitting efficiency of the organic light emitting device of the complex can be improved; and due to an electron-rich double-nitrogen coordination structure in the auxiliary ligand, trivalent metal cation in the center can be beneficially stabilized, and meanwhile, electron cloud distribution on the metal iridium can be affected, so that photoelectric properties of whole complex molecules can be greatly influenced. By adjusting substitution groups, the complex is high in thermal stability and chemical property. The iridium metal organic complex can be prepared into the organic light emitting device and can be particularly used as a doping material, and the device has the advantages of being low in driving voltage and high in light emission efficiency and is prior to conventional common OLEDs (Organic Light Emitting Devices).

The invention provides a metal organic complex and an organic light-emitting device thereof. The metal organic complex has a structure which is as show in the formula (I), the structure comprises a primary ligand and an auxiliary ligand, wherein an electron-rich double-nitrogen coordination structure in the auxiliary ligand structure is beneficial to stabilizing central trivalent metal cations, meanwhile, the electron cloud distribution on metal can also be influenced, then the photoelectric property of a whole complex molecule is greatly influenced, in addition, a four-membered ring formed bythe ligands of the double-nitrogen coordination structure and the metal has stronger rigidity, unnecessary vibration energy loss can be conveniently reduced, and efficient light-emitting performancecan be achieved. The metal complex has better heat stability and chemical properties by adjusting substituent groups. The metal complex is prepared into the device and especially is served as a dopingmaterial, and the device has the advantages of being low in driving voltage, high in light-emitting efficiency and superior to an existing common OLED device.

The invention discloses a metal complex and an organic electroluminescence device thereof, relating to the technical field of organic optoelectronic materials. A first ligand and an auxiliary ligand in a structural formula I (shown in the description) are capable of well stabilizing central metal atoms, and the first ligand and a second ligand respectively form a five-member ring configuration anda four-member ring configuration with the metal atoms, so that the metal complex has a relatively rigid structure, and the high-performance and high-efficiency phosphorescence emission is realized. By introducing a large-volume substituent group, the glass transition temperature and the thermal stability of the metal complex are respectively effectively increased and improved, and the film formation of a material is promoted. The organic electroluminescence device comprises a cathode, an anode and one or more organic matter layers, wherein at least one organic matter layer contains the metalcomplex. The organic electroluminescence device is relatively low in driving voltage, relatively high in luminous efficiency and luminance and has a relatively long service life.

The invention provides a metal organic complex and an organic luminescent device. The metal complex has a structure shown as a formula (I); the structure comprises a first ligand and an auxiliary ligand, wherein a rich-electron dinitrogen coordination structure in the auxiliary ligand structure is favorable for the center trivalent metal cation stabilization; meanwhile, electron cloud distributionon the metal can also be influenced; great influence is caused on the photoelectric properties of the whole complex molecule; in addition, the four-membered ring formed by the ligand of the dinitrogen coordination structure and the metal has higher rigidity; the reduction of unnecessary vibration energy loss is more facilitated; the efficient luminous performance is realized. By regulating the substituent groups, the complex has better thermal stability and chemical properties. The metal complex is made into devices; particularly when the metal complex is used as a doping material, the deviceshows the advantages of low driving voltage and high luminous efficiency, and is superior to the existing common-use OLED device.

The invention provides an iridium metal organic complex and an organic light-emitting device thereof and relates to the technical field of organic optoelectronic materials. An electron-rich double-nitrogen coordination structure in a complex structure is good for stabilizing trivalent iridium ions at the center; a four-membered ring composed of a ligand of the double-nitrogen coordination structure and metal has stronger rigidity, so that higher chemical stability and thermal stability are obtained and the light-emitting efficiency of the complex is improved. The synthesis is simple and easy to operate, and the iridium metal organic complex can be applied to the organic light-emitting device and is used as a light-emitting layer doping material; the problems of the organic light-emitting device that the light-emitting efficiency is low and the driving voltage is high can be effectively solved. The iridium complex is prepared into the device and is especially used as the doping material; the device has the advantages of low driving voltage and high light-emitting efficiency, and is better than a existing common OLED (Organic Light Emitting Diode).

The invention provides an organic compound and an organic light-emitting device using the same, and particularly relates to a soluble organic compound with excellent color purity, high brightness and high luminous efficiency and an OLED device using the same. The structure of the organic compound provided by the invention is as shown in formula 1 in the specification. In the structural formula, one of R1 and R2 is a substituted or unsubstituted C4-C90 heteroaryl group, heterocyclic group containing nitrogen (N) or amine series group, and the other one is a substituted or unsubstituted C6-C90 heteroaryl group or a heterocyclic group containing two or more nitrogen atoms; and X1 and X2 are independently selected from one of a single bond, sulfur (S), sulfur oxide (SO) or sulfur dioxide (SO2), and at least one of X1 and X2 is not a single bond.