67results about How to "High Tg temperature" patented technology

The invention relates to an organic compound taking triazine and benzimidazole as cores and application thereof to an OLED (Organic Light Emitting Diode) device. The compound provided by the invention has relatively high glass transition temperature and molecule thermal stability; the compound has low absorption and high refractive index in the field of visible light; after the compound is applied to a CPL (Circular Polarizing Filter) layer of an OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound also has a deep HOMO energy level and high electron mobility and can be used as a hole-blocking/electron transferring layer material of the OLED device; and the compound can be used for effectively stopping a hole or energy from being transmitted to one side of an electron layer from a light emitting layer, so that the compounding efficiency of the hole and electrons on the light emitting layer is improved, and furthermore, the luminous efficiency of the OLED device is improved and the service life of the OLED device is prolonged.

The invention belongs to the field of organic electroluminescent material, and in particular relates to polyaryl substituted pyridine derivatives and a synthetic method thereof, as well as application to preparing organic electroluminescent devices by using materials of the polyaryl substituted pyridine derivatives. Through molecular design, the synthetic method introduces large substituting groups which have rigid structures to ensure that the large substituting groups are not easy to form a group excited compound, inhibits the crystallization processes of the large substituting groups, improves the film forming properties of the large substituting groups, and increases charge transfer performances of the large substituting groups; at the same time, destroy of molecular co-planarity makes the large substituting groups emit peak blue shift, so as to achieve the aim of improving the properties of the devices. The polyaryl substituted pyridine derivatives comprise a structural formula as above.

The invention relates to an organic compound based on triazine and benzimidazole and application thereof to an organic light-emitting diode (OLED) device. The compound disclosed by the invention has a high vitrification temperature and high molecular thermal stability; the compound has a low absorption rate and a high refraction rate in the field of visible light, and can be applied to a CPL (Circular-Polarizing Filter) layer of the OLED device to effectively increase the light output efficiency of the OLED device; the compound also has a deep HOMO (Highest Occupied Molecular Orbital) energy level and a high electron mobility, can be taken as a hole-blocking/electron transport layer material of the OLED device, and can effectively block holes or prevent energy from being transported from a light-emitting layer to one side of an electron layer, so that the compound efficiency of the holes and electrons on the light-emitting layer is increased, and the light-emitting efficiency and the service life of the OLED device are increased and prolonged.

The invention relates to an organic compound based on triazine and application thereof to an OLED (Organic Light Emitting Diode) device. The compound has high glass transition temperature and molecular thermal stability; in the visible light field, the absorption is low; the refraction index is high; after the compound is applied to a CPL layer of the OLED device, the light taking-out efficiency of the OLED device can be effectively improved. The compound also has deep HOMO energy level and high electronic mobility and can be used as a hole blocking/electronic transmission layer material of the OLED device; holes or energy can be effectively blocked from being transmitted from the luminescent layer to one side of the electronic layer, so that the compounding efficiency of holes and electrons in the luminous layer is improved; further, the luminous efficiency of the OLED device is improved; the service life of the OLED device is prolonged.

The invention relates to an organic compound taking pyridine and benzimidazole as a core and application thereof in organic light emitting diode (OLED) devices. The compound disclosed by the invention has higher glass transition temperature and molecular heat stability; the compound has low absorption and high refractive index in the field of visible light; after being applied to CPL layers of the OLED devices, the compound can effectively improve light extraction efficiency of the OLED devices. The compound disclosed by the invention further has a deep HOMO energy level and high electronic mobility, can serve as a cavity blocking/electron transfer layer material of the OLED devices and can effectively prevent cavities or energy from being transmitted to one side of an electronic layer from a luminescent layer; thus, composition efficiency of the cavities and the electrons in the luminescent layer is improved, and further luminous efficiency and service life of the OLED devices are improved.

The invention discloses pyridoimidazole derivatives and application thereof in organic light-emitting devices (OLEDs). The structural formula of the compounds is shown in the formula I in the specification. As organic light-emitting materials, the compounds can be used for preparing the OLEDs. The OLEDs comprise light-emitting layers, wherein the light-emitting layers contain at least a pyridoimidazole derivative to serve as the main material and contain pyridoimidazole derivatives or a light-emitting layer formed by the pyridoimidazole derivatives, pyridoimidazole derivatives or an electron transport layer formed by the pyridoimidazole derivatives and pyridoimidazole derivatives or a hole blocking layer formed by the pyridoimidazole derivatives. The invention further relates to equipmentcomprising the OLEDs. The pyridoimidazole derivatives provided by the invention have appropriate triplet energy levels and obviously improve energy utilization, and when the pyridoimidazole derivatives are used for preparing the OLEDs, the prepared devices have satisfactory brightness, current density and efficiency under high current density.

The invention relates to an organic compound based on pyridine and quinoxaline and an application of the organic compound to an OLED (organic light emission diode) device. The compound has higher glass transition temperature and molecular heat stability, and is low in absorption and high in refractive index in the field of visible light, and light extraction efficiency of the OLED device can be effectively improved after the organic compound is applied to a CPL layer of the OLED device; the compound further has high HOMO energy level and high electron mobility and can be taken as a hole-blocking/electron transfer layer of the OLED device and can effectively prevent holes or energy from being transferred to one side of the electron layer from a luminous layer, so that composite efficiency of the holes and electrons in the luminous layer is improved, the luminous efficiency of the OLED device is improved, and the service life of the OLED device is prolonged.

The invention relates to an organic compound and a preparation method thereof, and application in OLED, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The invention also discloses a preparation method and application of the compound. According to the invention, the compound provided by the invention has high glass transition temperature and molecular thermal stability, is low in absorption in the field of visible light, is high in refractive index, can effectively improve the light extraction efficiency of anOLED device after being applied to the CPL layer of the OLED device, also has a deep HOMO energy level and high electron mobility, and can be used as a hole barrier, an electron transport layer or alight-emitting layer material of an OLED device to balance the balance degree of electrons and holes in a light-emitting layer, so that the recombination efficiency of the holes and the electrons in the light-emitting layer is improved so as to improve the light-emitting efficiency and the service life of the OLED device.

The invention discloses an organic compound based on pyridine and benzoxadiazole and an application of the compound and belongs to the technical field of semiconductors, wherein the compound has the structure of the general formula (I). The invention also discloses an application of the compound. The compound has high glass transition temperature and molecular thermal stability, is low in absorption and high in refractive index in visible light area. When being applied to a CPL layer of an OLED, the organic compound can improve the light extraction efficiency of the OLED. The compound also hasa deep HOMO energy level and high electron mobility, so that the compound can be used for a hole-blocking or electron transfer layer in the OLED, and can effectively stop the holes or energy from being transmitted from the luminescent layer to the electron layer side, thereby improving the composition efficiency of the holes and electrons in the luminescent layer, and further improving the luminescent efficiency and prolonging service life of the OLED.

The invention relates to an organic compound containing pyridine and an application thereof in an OLED device. The structure of the compound of the invention is as shown in the general formula (1): the compound has higher glass transition temperature and molecular thermal stability; in the visible light field, the absorption is low and the refractive index is high. After the organic compound is applied to the CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved. The compounds of the present invention also have deep HOMO levels and high electron mobility, The organic compound can be used as a hole blocking/electron transport layer material of the OLED device, holes or energy can be effectively blocked from being transferred from the light emitting layer to the electron layer side, thereby improving the recombination efficiency of holes and electrons in the light emitting layer, and further improving the light emitting efficiency and service life of the OLED device.

The invention belongs to the field of organic electron transmission/hole blocking organic materials for organic electroluminescent devices, and particularly relates to a polyaryl-substituted pyridine derivative used in the organic electron transmission materials and/or the organic hole blocking organic materials, a synthetic method as well as the usage of the polyaryl-substituted pyridine derivative material for preparing an organic electroluminescent device. By a molecular design, a plurality of large substituents with rigid structures are introduced, which causes an exciplex not to easily form in the derivative, inhibits the crystallization course thereof, improves the film forming thereof and improves the charge transfer property thereof; meanwhile, the breakage of the molecular coplanarity causes a blue shift of the emission peak of the derivative, thus achieving the purpose of improving the performance of the device. The polyaryl-substituted pyridine derivative comprises the structure.

The invention relates to an organic compound taking carbazole as a core and an organic electroluminescent device containing the organic compound. The compound provided by the invention has relativelyhigh glass transition temperature and molecular thermal stability; the refractive index in the field of visible light is high, and the light extraction efficiency of an OLED device can be effectivelyimproved after the compound is applied to a CPL layer of the OLED device; and the organic electroluminescent device is higher in light-emitting efficiency, better in visual declination angle, better in inhibition of angle dependence of emergent light wavelength and high in yield.

The invention discloses a plastic optical fiber modified by nanometer materials and a method for preparing the plastic optical fiber. The method includes steps of weighing, by weight, 1-10 parts of yttrium trifluoroacetic acid, dissolving the yttrium trifluoroacetic acid in mixed solution of ethyl alcohol and water, adding 90-99 parts of tetraethyl orthosilicate into the mixed solution and adjusting the PH (potential of hydrogen) of the mixed solution until the PH of the mixed solution reaches 1.5-2.0; adding the mixed solution into a high-pressure kettle until 1/2-2/3 of the volume of the high-pressure kettle is filled with the mixed solution, sealing the high-pressure kettle and carrying out reaction under the condition of temperature of 60-80 DEG C for 0.5-10 hours; drying products obtained in the high-pressure kettle, cleaning the products by the aid of ethyl alcohol and drying and smashing the products to obtain nanometer auxiliaries; weighting 0.1-10 parts of the nanometer auxiliaries, mixing the nanometer auxiliaries and 90-99.9 parts of methacrylic ester monomers with one another and carrying out heating polymerization to obtain plastic optical fiber pre-polymerization bars; heating the plastic optical fiber pre-polymerization bars, drawing the optical fiber pre-polymerization bars to obtain a plastic optical fiber with a required diameter so as to obtain the plastic optical fiber modified by the nanometer materials. The plastic optical fiber and the method have the advantages that the plastic optical fiber is good in heat resistance and low in water absorption, and the application range can be expanded.

The invention relates to an organic compound based on triazine and benzimidazolone structures and an application of the organic compound in an organic electroluminescent device. The structure of the compound simultaneously contains the triazine and benzimidazolone structures, and the compound has high glass transition temperature and molecular thermal stability; the compound is low in absorption and high in refractive index in the field of visible light, and after the compound is applied to a covering layer of an OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound disclosed by the invention also has a relatively deep HOMO energy level and high electron mobility, can be used as a hole blocking or electron transport layer material of theOLED device, and can effectively block holes or energy from being transmitted from a light emitting layer to one side of an electron layer, thereby improving the recombination efficiency of the holesand electrons in the light emitting layer, improving the light emitting efficiency of the OLED device, and prolonging the service life of the OLED device.

The invention discloses quinolone derivatives and preparation method and application thereof. The structural formula of the compounds is shown in the formula I in the specification. As organic light-emitting materials, the compounds can be used for preparing organic light-emitting devices (OLEDs). The OLEDs comprise light-emitting layers, wherein the light-emitting layers contain at least a quinolone derivative to serve as the main material and contain quinolone derivatives or a light-emitting layer formed by the quinolone derivatives, quinolone derivatives or an electron transport layer formed by the quinolone derivatives and quinolone derivatives or a hole blocking layer formed by the quinolone derivatives. The invention further relates to equipment comprising the OLEDs. The quinolone derivatives provided by the invention have appropriate triplet energy levels and obviously improve energy utilization, and when the quinolone derivatives are used for preparing the OLEDs, the prepared devices have satisfactory brightness, current density and efficiency under high current density. The formula I is shown in the specification.

The invention particularly relates to polyaryl-substituted pyridine derivative, a synthetic method thereof and the application of the polyaryl-substituted pyridine derivative to preparation of organic electroluminescent devices, belonging to the field of electroluminescent material. According to molecular design, large substitutional groups with rigid structures are introduced, so that the derivative has small possibility of forming the exciplex, the crystallization process of the derivative is inhibited, the film forming property of the derivative is improved, and the electric charge transmission property of the derivative is improved. Meanwhile, the modular coplanarity is damaged to cause emission peak hypochromatic shift, and the purpose of improving device property is achieved. The polyaryl-substituted pyridine derivative comprises the following structure.

The invention discloses a dibenzo-hexatomic ring-cored compound and application thereof to an organic electroluminescent device. The dibenzo-hexatomic ring-cored compound is in a structure shown as the formula (1). The prepared dibenzo-hexatomic ring-cored compound is high in glass transition temperature and molecular thermal stability and has appropriate T1 energy level, HOMO-LUMO (highest occupied molecular orbital-lowest unoccupied molecular orbital) energy level, and through device structural optimization, can effective increase the photoelectric property and the service life of OLED (organic light emitting diode) devices.

The invention relates to an organic compound based on pyridine and quinoxaline and application thereof on an OLED device. The compound provided by the invention has relatively high glass transition temperature and molecular thermostability, and is low in absorption and high in refractive index in the field of visible light. When the organic compound is applied to a CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved; the compound provided by the invention also has deep HOMO energy level and high electron mobility, can be used as a hole blocking/electron transport layer material of the OLED device, and can effectively block the transfer of holes or energy from a light-emitting layer to one side of an electron layer, thereby improvingthe recombination efficiency of the holes and electrons in the light-emitting layer, further improving the light-emitting efficiency of the OLED device and prolonging the service life of the OLED device.

The invention discloses the application of quinolone derivatives represented by formula I as emission materials in the preparation of organic electroluminescent devices, especially the application in the preparation of white light organic electroluminescent devices. The general structural formula of the compound is shown in Formula I. This type of compound is used as an emission material for an organic light-emitting layer of an organic electroluminescent device, and further relates to an organic electroluminescent device comprising a light-emitting layer, the light-emitting layer containing at least one quinolone derivative shown in formula I as an emission material, and containing a quinolone Derivatives or an electron transport layer composed of them, a hole blocking layer containing quinolone derivatives or composed of them; and a device comprising the organic electroluminescent device of the present invention. The quinolone derivatives provided by the present invention have suitable triplet energy levels, and the energy utilization is significantly improved. When used in the preparation of organic electroluminescent devices, the manufactured devices are obtained in terms of brightness, current density and efficiency at high current densities. a satisfactory result. Formula I

The invention discloses a fireproof flame-retardant plastic optical cable which is characterized by comprising a plastic optical fiber and a sheath wrapping the outer side of the plastic optical fiber. The plastic optical fiber comprises a plastic optical fiber core wire and a covering layer formed on the plastic optical fiber core wire; the plastic optical fiber core wire is prepared from the following components in parts by weight: 100 parts of an allyl methyl carbonate/GAM MA-butyrolactone-3-yl methacrylate/2-methyl-4-pentanoic acid copolymer, 4-8 parts of a nano hybrid hyperbranched polymer HB-SiO2, and 1-2 parts of boric acid; the covering layer is prepared from the following raw materials through ultraviolet curing: 5 to 8 parts of 2-[3-(2H-benzotriazole-2-yl)-4-hydroxyphenyl] ethyl 2-methacrylate, 15 to 25 parts of 2, 2, 3, 3-tetrafluoropropyl methacrylate, 8 to 12 parts of vinyl hyperbranched polysiloxane, 1 to 3 parts of glass fiber, 0.5 to 1.5 parts of a coupling agent and 0.4 to 0.8 part of a photoinitiator. The fireproof flame-retardant plastic optical cable disclosed by the invention is remarkable in fireproof flame-retardant effect, excellent in heat resistance, good in chemical corrosion resistance, aging resistance and durability and small in transmission loss.

The invention discloses a compound with a dibenzo-6-membered ring as a core and an application thereof in an organic light emission diode device. The organic compound contains the dibenzo-6-membered ring, and two benzene are connected by an alkylene group substituted by an oxygen atom, a sulfur atom, and a C1-10 linear chain or branched alkyl group, an aryl-substituted alkylene group, an aryl-substituted alkyl group or an aryl-substituted tertiary amine group. The compound of the invention has high glass transition temperature and molecular thermal stability; the compound is low in absorptionand high in refractive index in a visible light field, and can effectively improve the light extraction efficiency of an OLED device after being applied to a CPL layer of the OLED device; and the compound of the invention is shallow in HOMO energy level and high in hole mobility, can be used as a hole injection/transport layer material of the OLED device, and can effectively transfer holes to oneside of a light-emitting layer, thereby enhancing the recombination efficiency of the holes and electrons in the light-emitting layer, and the luminous efficiency and service life of the OLED device are further improved.

The invention relates to an organic compound taking a ketone derivative as a core, a preparation method and application thereof, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The invention also discloses a preparation method and application of the compound. According to the invention, the compound provided by the invention has high glass transition temperature and molecular thermal stability, is low in absorption in the field of visible light, is high in refractive index, can effectively improve the light extraction efficiency of an OLED device after being applied to the CPL layer of the OLED device, also has a deep HOMO energy level and high electron mobility, and can be used as a hole barrier, an electron transport layer or a light-emitting layer material of an OLED device to balance the balance degree of electrons and holes in a light-emitting layer, so that the recombination efficiency of the holes and the electrons in the light-emitting layer is improved so as to improve the light-emitting efficiency and the service life of the OLED device.

The invention discloses a compound taking phenanthroline and a derivative thereof as a core compound, and an OLED device manufactured by taking the compound as a CPL layer, wherein the structure of the organic compound is represented by the following general formula (1). According to the invention, the compound has high glass transition temperature and high molecular thermal stability, is low in absorption and high in refractive index in the field of visible light, and can effectively improve the light extraction efficiency of an OLED device after being applied to the CPL layer of the OLED device; the material provided by the invention is applied to the CPL layer in an OLED device, does not participate in electron and hole transport of the device, and has high requirements on thermal stability, film crystallinity and refractive index of the material; and the analysis results show that the high Tg temperature ensures that the material is not crystallized in a film state, the low vacuumevaporation temperature is the premise that the material can be applied to mass production, and the high refractive index is the most important factor for the application of the material in the CPL layer.