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73results about How to "High Luminescence Purity" patented technology

Color display device and manufacturing method thereof

The invention provides a color display device and a manufacturing method thereof. The color display device comprises a color filtering base plate, an OLED base plate and quantum dot encapsulation glue, wherein the color filtering base plate and the OLED base plate are oppositely arranged and are adhered together via the quantum dot encapsulation glue. Triggered by blue light emitted out by the OLED base plate, the red light quantum points and green light quantum points in the quantum dot encapsulation glue emit out red light and green light respectively. After the red light and the green light are mixed with ground blue light, write light is formed. After the white light is transformed via a color filtering sheet, red, green and blue light are formed, thereby achieving color display. The light purity of the quantum points is high and colors can be controlled via diameters of the quantum points, thereby increasing color gamut and improving display quality of the color display device. The color display device is simple to manufacture and easy to operate and the manufactured color display device has quite wide gamut and quite high display quality.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Preparation method and application of composite material

The invention discloses a preparation method of a composite material. The preparation method comprises the following step: carrying out melt extrusion on a mixture containing a polymer matrix and a perovskite precursor to obtain the composite material. The method for in-situ preparation of the perovskite quantum dot / polymer composite material by an extrusion process in the invention realizes the in-situ generation of perovskite quantum dots in a polymer matrix during extrusion processing, the obtained composite material may have multiple forms, and the in-situ generated perovskite quantum dotshave the characteristics of high fluorescence quantum yield, good stability and adjustable light-emitting wavelength, and can be applied to the fields of backlight display and the like.
Owner:ZHIJING NANOTECH CO LTD +1

Inorganic perovskite quantum dot lighting diode tube and preparation method thereof

The invention provides an inorganic perovskite quantum dot lighting diode tube, comprising an anode, a hole injection layer, a hole transmission layer, a quantum dot lighting layer, an electronic injection layer and a cathode which are laminated in order; the quantum dot lighting layer is made of halogen surface modified inorganic perovskite quantum dot, and the halogen surface modified inorganic perovskite quantum dot is the quantum dot after a part of organic ligand at the surface of the inorganic perovskite quantum dot is replaced by halogen, wherein the ratio between the halogen and the inorganic perovskite quantum dot is 0.5-12.5 mmol / L: 1 mg.
Owner:TCL CORPORATION

Compound containing quinoxaline perssad and organic electroluminescence device of compound

The invention provides an organic electroluminescence compound containing a quinoxaline perssad. The compound has the good thermal stability, high luminous efficiency and high luminous purity, can be used for manufacturing an organic electroluminescence device and is applied to the field of organic solar cells, organic film transistors or organic photoreceptors. The invention further provides the organic electroluminescence device. The organic electroluminescence device comprises an anode, a cathode and an organic layer. The organic layer comprises one or more of a luminous layer, a hole injection layer, a hole transfer layer, a hole barrier layer, an electron injection layer and an electron transfer layer. At least one organic layer comprises the compound shown in the structural formula I in the specification.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Compound containing 1,2,4-triazine group and organic electroluminescence device of compound

The invention provides an organic electroluminescence compound which is shown as a structural formula I (please see the formula in the description) and contains a 1,2,4-triazine group. The compound has the good heat stability, the high luminous efficiency and the high luminous purity and can be used for manufacturing an organic electroluminescence device and applied to the field of organic solar cells or organic thin film transistors or organic photoreceptors and the like. The invention further provides the organic electroluminescence device. The organic electroluminescence device comprises an anode, a cathode and organic layers, wherein the organic layers comprise one or more than one of a luminous layer, a hole injection layer, a hole transporting layer, a hole blocking layer, an electron injection layer and an electron transporting layer, and at least one of the organic layers contains the compound shown as the structural formula I (please see the formula in the description).
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Phosphorescence main body compound containing indole groups and organic electroluminescent device of phosphorescence main body compound

The invention provides a phosphorescence main body compound containing indole groups. The compound has better thermal stability, high luminous efficiency and high luminous purity, can be used for manufacturing organic electroluminescent devices, and is applied to the fields of organic solar batteries, organic thin film transistors or organic photoreceptors. The invention also provides an organic electroluminescent device, which comprises an anode, a cathode and an organic layer, wherein the organic layer comprises one layer or more than one layer in a luminous layer, a hole injection layer, a hole transmission layer, a hole blocking layer, an electron injection layer and an electron transmission layer; at least one layer in the organic layer comprises the compound shown as the structural formula I. The structural formula I is shown as the accompanying drawing.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Display panel and electrowetting display equipment

The invention belongs to the field of display equipment, and particularly relates to a display panel, and electrowetting display equipment. The display panel provided by the invention comprises a pixel electrode substrate, a common electrode substrate, a plurality of pixel electrodes, a dielectric layer and baffle plates, wherein the pixel electrodes are arranged on the pixel electrode substrate at intervals; the dielectric layer is arranged on the pixel electrode substrate, and the pixel electrodes are buried in the dielectric layer; the baffle plates are positioned between adjacent pixel electrodes; the display panel further comprises non-polar liquid capable of absorbing ultraviolet light and polar liquid containing quantum dots; and the non-polar liquid and the polar liquid are arranged in sequence on the dielectric layer in space surrounded by adjacent baffle plates. The invention provides the electrowetting display equipment with the display panel. The electrowetting display equipment has relatively high luminescence purity, relatively high brightness and high display quality.
Owner:BOE TECH GRP CO LTD

Helical structural organic light emitting material and organic light emitting device thereof

The invention discloses an organic light emitting material with a novel helical structure and shown as the following structural formula and an organic light emitting device thereof. The compound is high in stability and can be used as a phosphorescence host material which is outstanding in performances. The organic light emitting device prepared through the organic light emitting material is high in efficiency and light purity. The formula sees the description.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescent compound based on pyridine and triazine and organic electroluminescent device thereof

The invention provides an organic electroluminescent compound based on pyridine and triazine, which has a structure as shown in the specification. The compound has good thermal stability, high luminous efficiency and high luminous purity, and can be used in the fields of manufacturing organic electroluminescent devices, organic solar cells, organic thin film transistors or organic photoreceptors.The invention further provides an organic electroluminescent device comprising at least one of a light-emitting layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer, or an electron transport layer, wherein an organic layer comprises a compound shown by a structural formula I, and the organic electroluminescent device has the advantages of good electroluminescent efficiency, excellent color purity and long service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Compound containing quinoxaline group and organic electroluminescent device thereof

The invention provides an organic electroluminescent compound containing quinoxaline group. The compound has good thermal stability, high luminescent efficiency and high luminescent purity, is suitable for manufacturing organic electroluminescent devices and is applicable to the field of organic solar panels, organic thin-film transistors or organic photoreceptors. The invention also provides an organic electroluminescent device, comprising an anode, a cathode and an organic layer, the organic layer contains more than one of a luminescent layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer and an electron transport layer, and at least one layer in the organic layer contains the compound shown as in the following structural formula I.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescent compound and organic electroluminescent device thereof

The present invention provides a novel organic electroluminescent compound as shown in formula I. With good thermal stability, high luminous efficiency, and high luminous purity, the compound can be used to manufacture an organic electroluminescent device applying to the field of an organic solar cell, an organic thin film transistor or an organic photoreceptor. The present invention also provides an organic electroluminescent device. The device comprises an anode, a cathode and an organic layer, wherein the organic layer comprises one or more of a light emitting layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer, and an electron transport layer. At least one layer of the organic layer contains the compound as showm in formula I. The formula I is as shown in the specification.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

All-inorganic light-emitting device based on perovskite thin film and preparation method thereof

The invention provides an all-inorganic light-emitting device based on a perovskite thin film and a preparation method thereof, and belongs to the technical field of semiconductor light-emitting devices. The all-inorganic light-emitting device is composed of an ITO glass substrate, a ZnO electron transmission layer, an inorganic perovskite CsPbX3 thin film light-emitting layer, an NiO hole transmission layer and an Au and Al anode electrode layer which are laminated in turn from the bottom to the top, wherein the ZnO electron transmission layer is prepared on the ITO conductive film of the ITOglass substrate, the ITO conductive film acts as a cathode electrode layer, and X is Cl, Br or I element. The surface of the perovskite CsPbX3 thin film is flat without pinhole, and the grain size issmall and efficient radiation composite luminescence can be easily realized so that the luminescence purity is high and the luminescence range is adjustable by adjusting and controlling the doping proportion of the halogen atoms. The inorganic material ZnO / NiO of stable property is used as the electron / hole transmission layer of the device so that the requirement of the working environment of thedevice is ensured to be low and the performance is stable.
Owner:上海镓旦电子信息有限公司

Fluorene-based hole transport compound

The invention provides a fluorene-based hole transport compound with a structural formula (I) as shown in the specification. The compound has relatively good thermal stability, high luminous efficiency and high luminous purity, can be used for making organic light-emitting devices and is applied to the fields of organic solar cells, organic thin-film transistors or organic photoreceptors.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Anthracene-based organic electroluminescent electron transport compound and light-emitting apparatus thereof

The invention provides an anthracene-based organic electroluminescent electron transport compound. The compound has relatively good heat stability, high light-emitting efficiency and high light-emitting purity, can be used for manufacturing an organic electroluminescent apparatus, and is applied to the field of the organic electroluminescent apparatus, an organic solar battery, an organic film transistor or an organic photoreceptor. The invention also provides the organic electroluminescent apparatus which comprises an anode, a cathode and an organic layer; the organic layer comprises at least one of a light-emitting layer, a cavity injection layer, a cavity transport layer, a cavity barrier layer, an electron injection layer and an electron transport layer, and the at least one of the organic layers comprises a compound as shown in a structural formula I in the description.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electronic material based on phenanthrene and cyanobenzene, and application thereof

The invention provides an organic electronic material based on phenanthrene and cyanobenzene, and application thereof, belonging to the technical field of organic electroluminescence. According to theinvention, a cyano group, a triazinyl group and other groups are introduced, so the electronegativity of the material is enhanced, the electron transport performance of the material is improved, andthe thermal stability of the material is enhanced. The organic electron transport material provided by the invention is high in luminous efficiency and high in luminous purity. An organic electroluminescent device prepared from the organic electroluminescent compound has the advantages that driving voltage can be reduced, light-emitting efficiency is improved, color purity is excellent, and the service life of the device is prolonged.
Owner:SHANGHAI CHUANQIN NEW MATERIAL CO LTD

Compound containing [1,2,4]-triazole [1,5-a] pyridine and organic electroluminescent device thereof

The invention provides an organic electroluminescent electron transport compound containing [1,2,4]-triazole [1,5-a] pyridine. The compound has relatively good heat stability, high electroluminescent efficiency and high electroluminescent purity, can be used for preparing an organic electroluminescent device, and is applied to the field of an organic solar cell, an organic thin-film transistor or an organic photoreceptor. The invention further provides an organic electroluminescent device, which comprises an anode, a cathode and an organic layer, wherein the organic layer comprises at least one layer of a electroluminescent layer, a hole injection layer, a hole transport layer, a hole barrier layer, an electron injection layer and an electron transport layer; and the at least one layer of the organic layer contains a compound as shown in a structural formula I. The structural formula I is as shown in the specification.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescence compound containing benzonaphthofuran and luminescent device

The invention provides an organic electroluminescence compound containing benzonaphthofuran. The organic electroluminescence compound has a structural formula as follows (shown in the description). The organic electroluminescence compound has the advantages that the thermal stability is better, the light emitting efficiency is high, and the light emitting purity is high; the organic electroluminescence compound can be applied into the fields of organic electroluminescence devices, organic solar batteries, organic film transistors or organic photoreceptors. The invention also provides an organic electroluminescence device. The organic electroluminescence device comprises an anode, a cathode and an organic layer, wherein the organic layer comprises at least one of a light emitting layer, a hole injection layer, a hole transmission layer, a cavity blocking layer, an electron injection layer and an electron transmission layer; the organic layer at least comprises one layer of compound shown in a structure formula I. The organic electroluminescence device prepared by the organic electroluminescence compound has the advantages that the electroluminescence efficiency is good, the color purity is excellent, and the service life is long.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescence device

The invention provides an organic electroluminescence device. The organic electroluminescence device comprises an anode, a cathode and an organic layer; the organic layer comprises one or more of a hole injection layer, a hole transmission layer, a lighting layer, a barrier layer, an electron injection layer and an electron transmission layer. The organic electroluminescence device is characterized in that at least one layer in the organic layer contains a compound as shown in the structural formula (I). Structural formula is as shown in specification.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescent compound based on benzo[b] naphtha[1,2-d]furan and light-emitting apparatus

The invention provides an organic electroluminescent compound based on benzo[b] naphtha[1,2-d]furan. The compound has relatively good thermal stability, high light-emitting efficiency and high light-emitting purity, can be used for manufacturing an organic electroluminescent apparatus, and is applied to the field of an organic solar battery, an organic film transistor tube or an organic photoreceptor. The invention also provides the organic electroluminescent apparatus which comprises an anode, a cathode and an organic layer. The organic layer comprises at least one of a light-emitting layer, a hole injection layer, a hole transmission layer, an exciton block layer and an electron transmission layer, and at least one of the organic layer comprises a compound as shown in a structural formula I.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Carbazole organic electroluminescent compound and organic light-emitting device thereof

The invention provides a carbazole organic electroluminescent compound, which has a structure shown as the specification. The compound has good thermal stability, high luminous efficiency, high luminous purity and low driving voltage, can be used for making organic light-emitting devices, and cab be applied to organic light-emitting devices, organic solar cells, perovskite cells, organic thin filmtransistors, organic photoreceptors and other fields. The invention also provides an organic light-emitting device, which comprises an anode, a cathode and an organic layer, the organic layer includes at least one of a luminescent layer, a hole injection layer, a hole transport layer, an exciton barrier layer and an electron transport layer, and includes a compound shown as structural formula I.The organic light-emitting device has the advantages of good electroluminescence efficiency, excellent color purity and long lifetime.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Dicarbazole benzene derivative and application thereof and organic electroluminescent device

The invention provides a dicarbazole benzene derivative. The dicarbazole benzene derivative adopts the structural formula as follows: FORMULA; the dicarbazole benzene derivative has relatively good stability, and can be applied to the field of organic electroluminescent devices, organic solar cells, organic thin film transistors or organic photoreceptors; when the dicarbazole benzene derivative isapplied to the organic electroluminescent device, the working voltage can be reduced and the device efficiency can be improved, so that the dicarbazole benzene derivative is a luminescent material with excellent performance. The invention further provides the organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer, wherein the organic layer comprises at least one of a luminescent layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer and an electron transport layer; at leastone layer in the organic layer contains a compound shown as the structural formula I. The organic electroluminescent device prepared from the dicarbazole benzene derivative has relatively high luminescent efficiency and light purity.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Bis-tri-aromatic amine compound containing spiral structure, application and light emitting diode

The invention provides a bis-tri-aromatic amine compound containing a spiral structure. The compound has the structural formula as shown in the figure I in the specification. The compound has relatively good heat stability, high light-emitting efficiency and high light-emitting purity and can be applied to the field of organic light emitting diodes, organic solar cells, organic thin film transistors or organic photoreceptors. The invention further provides an organic light emitting diode. The organic light emitting diode comprises an anode, a cathode and an organic layer, the organic layer comprises at least one of a light-emitting layer body, a hole injection layer body, a hole transmission layer body, a hole blocking layer body, an exciton blocking layer body and an electron transmissionlayer, and at least one layer body of the organic layer contains the compound with the structural formula as shown in the figure I in the specification. The organic light emitting diode prepared by adopting the compound has the advantages of being good in light-emitting efficiency, excellent in color purity and long in service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Automobile tail lamp functional module and LED circuit board installation method thereof

ActiveCN104913255AGood for lighting continuitySolve the problem of insufficient internal space to install LEDsPoint-like light sourceOptical signallingLight guideEffect light
The invention relates to an automobile tail lamp functional module and an LED circuit board installation method thereof. The functional module comprises a plurality of LED light sources, a transparent light guide plate, an LED installation support and an LED circuit board. The transparent light guide plate is fixed to the LED installation support. One end of the transparent light guide plate is of a sawtooth structure, and grooves are formed in the other end of the transparent light guide plate. Each groove is internally provided with one LED light source. The transparent light guide plate is located on the front face of the LED installation support. The LED circuit board is located on the back face of the LED installation support and used for adding the thickness of the LED circuit board on the depth of the grooves in the transparent light guide plate. Through holes are formed in the portions, corresponding to the LED light sources fixed to the LED circuit board, of the LED installation support. The LED light sources penetrate through the through holes to be correspondingly arranged inside the grooves in the transparent light guide plate. According to the automobile tail lamp functional module, LED installation and lighting effect uniformity and continuity are better facilitated.
Owner:HASCO VISION TECHNOLOGY CO LTD

Er3+/ Yb3+ co-doping calcium fluoraluminate green up-conversion luminescent material and preparation method thereof

The invention belongs to the technical field of inorganic luminescent materials, and particularly relates to an Er3+ / Yb3+ co-doping calcium fluoraluminate green up-conversion luminescent material triggered by near-infrared light and a preparation method thereof. The method adopts a high temperature solid phase method to prepare the Er3+ / Yb3+ co-doping calcium fluoraluminate, high-purity raw materials of Er2O3, Yb2O3, Al2O3, CaF2 and CaCO3 are evenly mixed in proportion, sintering is carried out to obtain the Er3+ / Yb3+ co-doping calcium fluoraluminate luminescent material. The luminescent material emits green light located at about 550 nanometers under the stimulation of 980-nanometer near-infrared light, and the up-conversion luminescent efficiency is higher; the luminescent material has better stability, is environmentally-friendly, has low cost, and can be widely applied to the fields of three-dimensional volumetric display, biomolecule fluorescent labeling probe, optical fiber amplifier and the like; the preparation method is easy in operation and industrial production, and the production cost is low.
Owner:CHANGCHUN UNIV OF SCI & TECH

Green titanium niobate up-conversion luminescent material, and preparation method and application thereof

The invention discloses a green titanium niobate up-conversion luminescent material, and a preparation method and application thereof. The green titanium niobate up-conversion luminescent material has a general chemical formula of Ca<5-5x>Er<5x>Yb<5y>Nb<4>Ti<3>O<21>, wherein x is the doping mol ratio of Er<3+> ions, y is the doping mol ratio of Yb<3+> ions, and the sum of x and y is no less than 0.001 and no more than 0.20. The green titanium niobate up-conversion luminescent material prepared in the invention has uniform particles, and under the excitation of light with a wavelength of 976 nm, the material emits green light with a wavelength of about 550 nm and has high luminescent intensity and high up-conversion luminescent efficiency. The green titanium niobate up-conversion luminescent material has good stability, no toxicity and no pollution and can be widely applied to fields like infrared radiation detection, optical fiber communication technology, fiber amplifiers, three-dimensional stereo display and biomolecular fluorescent marking. The preparation method is simple, safe, low in production cost, not restricted by raw material supply and easy for operation and industrial production.
Owner:NANJING TONGLI CRYSTAL MATERIALS RES INST CO LTD

Pyrazolopyrimidine compound, application of pyrazolopyrimidine compound and luminous device

The invention provides a pyrazolopyrimidine compound which has the following structural formula as shown in the specification. The pyrazolopyrimidine compound has higher thermostability and high luminous efficiency and luminous purity, and can be applied to the field of organic electroluminescent devices, solar batteries, organic thin film transistors and organic photoreceptors. The invention further provides an organic electroluminescent device which comprises an anode, a cathode and an organic layer, wherein the organic layer comprises at least one of a luminous layer, a hole injection layer, a hole transmission layer, a hole barrier layer, an electron injection layer and an electron transmission layer; at least one layer of the organic layer comprises the pyrazolopyrimidine compound shown as structural formula I; and the organic electroluminescent device manufactured by the pyrazolopyrimidine compound has high efficiency and light purity.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Fluorene-containing triarylamine compound as well as application and light-emitting device thereof

The invention provides a fluorene-containing triarylamine compound. The fluorene-containing triarylamine compound has the following structural formula: (as described in the specification); and the compound has good thermal stability, high luminous efficiency and high luminous purity, and can be applied to the fields of organic electroluminescent devices, solar cells, organic thin film transistorsor organic photoreceptors. The organic electroluminescent devices made of the fluorene-containing triarylamine compound have the advantages of good electroluminescent efficiency, excellent color purity and long service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Iridium complex, application thereof and OLED (organic light-emitting device)

The invention provides an iridium complex with the structural formula shown in the specification. The iridium complex has better heat stability, high luminous efficiency and high luminous purity and can be applied to the fields of OLEDs (organic light-emitting devices), organic solar cells, organic film transistors or organic photoreceptors. The invention also provides an OLED. The device comprises an anode, a cathode and an organic layer, wherein the organic layer comprises at least one of a light-emitting layer, a hole injection layer, a hole transfer layer, a hole barrier layer, an electroninjection layer and an electron transfer layer, at least one layer in the organic layer contains a compound shown in structural formula I. The OLED produced from the iridium complex has the advantages of good electroluminescence efficiency, excellent color purity and long service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Organic electroluminescence compound based on imidazole and pyridazine as well as application and organic electroluminescence device thereof

The invention provides an organic electroluminescence compound based on imidazole and pyridazine. The organic electroluminescence compound has the following structure as shown in the description. Thecompound has relatively good heat stability, high luminescence efficiency and high luminescence purity and can be applied to the organic electroluminescence devices, organic solar cells, organic thin-film transistors or organic photoreceptors. The invention also provides an organic electroluminescence device. The device comprises an anode, a cathode and an organic layer, wherein the organic layercomprises at least one luminescence layer, a hole injection layer, a hole transport layer, a hole barrier layer, an electron injection layer and an electron transport layer, and at least one layer ofthe organic layers comprises the compound of the structural formula I. The organic electroluminescence device produced by adopting the organic electroluminescence compound has the advantages of good electroluminescence efficiency, excellent color purity and long service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD

Heterocyclic organic electroluminescence compound and organic electroluminescence device thereof

The invention provides a heterocyclic organic electroluminescence compound with the formula as is shown in the description. The compound is good in thermal stability, high in luminous efficiency and luminous purity and applicable to the fields of organic electroluminescence devices, organic solar cells, organic thin-film transistors or organic photoreceptors. The invention further provides the organic electroluminescence device which comprises an anode, a cathode and organic layers, the organic layers include at least one of a luminescent layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer and an electron transfer layer, and at least one layer in the organic layers contains the compound with the formula I as is shown in the description. The organic electroluminescence device produced from the heterocyclic organic electroluminescence compound has the advantages of good electroluminescence efficiency and color purity and long service life.
Owner:SHANGHIA TAOE CHEM TECH CO LTD
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