47results about How to "Strong luminous brightness" patented technology

The invention relates to a chip LED (light emitting diode) display screen and manufacturing method thereof. The chip LED display screen comprises chip LED lamps, a circuit board, a driving component, a waterproof colloid and a bottom shell, wherein the chip LED lamps are uniformly welded on the circuit board; the driving component is welded on the circuit board; and the circuit board is arranged on the bottom shell. The manufacturing method comprises the following steps of: welding and connecting the chip LED lamps with the circuit board; adhering film at the rear side of the circuit board; fastening the circuit board and a glue injection mold by screw bolts; injecting the waterproof colloid in the glue injection mold; cutting off residual colloid on the edges of the circuit board; cutting shaped lines on the surface of the colloid between the LEDs; welding the driving component at the rear side of the circuit board; locking and assembling the circuit board and the bottom shell by screws; adhering film at the periphery of the contact surface of the bottom shell and the circuit board; and injecting the waterproof colloid in a cavity of the bottom shell. The chip LED display screen provided by the invention is waterproof, moisture-proof, long in service life and uniform in illumination. The manufacturing method in the invention is simple and can be popularized.

This invention provides a dispersion-type EL element that has excellent luminescence brightness and durability and an improved service life. A dispersion-type EL element, which can realize a larger screen, has excellent luminescence brightness and durability and an improved service life, is also provided. The dispersion-type electroluminescent element comprises a pair of electrodes of a back electrode and a transparent electrode, and at least an insulating layer and a fluorescent substance particle-containing luminescent layer provided between the pair of electrodes. The average size of the fluorescent substance particles is not less than 1 [mu]m and less than 20 [mu]m, and the coefficient of variation of the particle size is not less than 3% and less than 35%. At least one barrier layer comprising at least one material selected from the group consisting of thermoplastic resins, heat curing resins, and UV curing resins is provided between the transparent electrode and the luminescent layer.

The invention discloses a luminous printing ink for printing outdoor advertisements. The luminous printing ink comprises the following raw materials in parts by weight: 30-80 parts of acrylic resin, 30-60 parts of luminous powder, 10-20 parts of fluorescent powder, 5-10 parts of ink adjusting oil, 1-5 parts of a dispersant and 1-3 parts of an anti-settling agent, wherein the acrylic resin is one or more of polyurethane acrylic resin and acrylic epoxy resin. The luminous printing ink provided by the invention is higher in luminous brightness, lasting in luminous life and suitable for printing the outdoor advertisements; meanwhile, the luminous printing ink is simple to prepare, low in cost and higher in social and economic benefits.

The invention discloses a device for improving the luminous efficiency of a silicon nitride-based thin-film light-emitting diode and a preparation method of the device, and belongs to the technical field of semiconductor luminescent devices. The preparation method mainly comprises the following steps: a p-Si layer is used as a hole-injection layer, and an ultrathin noncrystalline silicon thin film is deposited on the hole-injection layer; a silicon nitride-based thin film is deposited on the ultrathin noncrystalline silicon thin film to serve as a light-emitting active layer; the ultrathin noncrystalline silicon thin film is placed in an annealing furnace to be subjected to dehydrogenation annealing and steady state high temperature annealing in sequence, so that the ultrathin noncrystalline silicon thin film is converted into a nanometer silicon thin film; then, an AZO transparent conducting thin film provided with an optical window is deposited on the silicon nitride-based light-emitting active layer. The device for improving the luminous efficiency of the silicon nitride-based thin-film light-emitting diode and the preparation method of the device mainly have the advantages that ultrathin nanometer silicon is used as a hole blocking layer in the device to effectively restrain hole carriers from being injected excessively, therefore, balanced injection of electrons and holes is promoted, and the luminous efficiency of the device is improved. The preparation process is simple, good in controllability, and compatible with a current microelectronic process.

The invention relates to the technical field of luminescent materials, and discloses a luminescent material based on cerium and europium activated aluminosilicate and a preparation method and application thereof.The luminescent material takes Ca8Mg3Al2Si7O28 as a matrix, Ce < 3 + > and Eu < 2 + > rare earth ions as activators and sodium salt as a charge compensation agent, and has the characteristic of being adjustable in luminescent color under different doping concentrations, excitation wavelengths and temperatures; the chemical composition formula of the luminescent material is Ca < 8-2x-y > Ce < x > Na < x > Eu < y > Mg < 3 > Al < 2 > Si < 7 > O < 28 >, x is the doping concentration of Ce < 3 + >, and the numerical range is 0 <x <= 0.09, y is the doping concentration of Eu < 2 + >, and the numerical range is 0 <y<= to 0.09. The luminescent material disclosed by the invention has the characteristics of relatively high luminescence brightness, relatively short luminescence service life, adjustable luminescence color and sensitive luminescence to temperature response, and achieves fast-response and high-sensitivity optical temperature measurement effects.

The invention relates to a package support of a lighting device and a surface processing method thereof. The package support comprises a metal support and a plastic light cup body arranged on the metal support. The light cup body is recessed inwards to form a function area, at least one reflection face is formed in the function area, and a wafer area is formed on the metal support corresponding to the function area of the light cup body. The wafer area of the metal support and the reflection face of the light cup body are subjected to sand blasting processing to form a rough surface respectively. The surface processing method is that the rough surface is respectively formed on the wafer area of the metal support and the reflection face of the light cup body of the package support by means of the sand blasting processing to increase combination surface area of the metal support and the light cup body and other package members and improve combination strength between the package support and other package members to achieve the aims of improving manufacture excellence rate and use credibility of the lighting device, prolonging service life and the like.

The invention relates to a star-like amphiphilic conjugated molecule material, and a preparation method and application thereof. The material adopts a fluorene structure as a skeleton, pyrene as a capping group and phosphonate as a polar side group and selects different alkyl chains, and the obtained star-like amphiphilic conjugated molecule compound has a structural general formula as shown in the following formula I: (the formula I is as shown in the specification), wherein R is one of alkyl, alkoxy, alkylphenyl and alkyl phenyl with phosphate; Ar is one of benzene, triphenylamine and tri-indene. The material has the advantages of simple chemical structure, low synthesis cost and the like, has high solution processability, film-forming property and multifunctional optical-electrical characteristic, and can realize high-brightness blue light emitting and efficient cathode interface modification functions simultaneously. An organic light-emitting diode which takes the material as a light-emitting layer and an interface modification layer simultaneously can realize excellent optical-electric characteristic through a simplified device structure and solves the technical problem that high-performance multi-layer devices are processed and manufactured by the solution.

The invention provides a reflective anode for an organic EL display and application thereof. The reflective anode comprises a laminate structure which comprises an Al-Ge series alloy film, and an oxide conductive film that contacts with the Al-Ge series alloy film, and furthermore the contact interface comprises a layer with aluminum oxide as a main component. Furthermore the Al-Ge series alloy film comprises 0.1atom%-2.5atom% of Ge. Furthermore the contact interface between the Al-Ge series alloy film and the oxide conductive film is provided with a Ge enriched layer and a deposit which comprises the Ge. The average Ge concentration in a range of 50nm from the conductive film side surface of the oxide in the Al-Ge series alloy film is above two times of the average Ge concentration in theAl-Ge series alloy film. Furthermore the average diameter of the deposit which comprises the Ge is above 0.1 [mu]m.

The invention discloses a noctilucent color coated layer steel plate and a manufacturing method thereof, belonging to the field of color coated layer steel plates. The steel plate comprises a steel plate substrate, a primer paint coating, a finish paint coating and a noctilucent layer, wherein a chemical coating is formed at the surface at one side of the steel plate substrate facing toward the primer paint coating; the primer paint coating is bonded at the surface of the chemical coating; the finish paint coating is bonded at the surface of the primer paint layer; and the noctilucent layer is bonded at the surface of the finish paint coating. The manufacturing method comprises the following steps of: selecting a zinc coated or aluminum coated steel plate, washing, drying, carrying out chemical coating on the surface of one side of the steel plate substrate so as to form the coatings, coating the primer paint on the surface of the coatings and drying, cooling and coating the finish paint on the surface of the primer paint coating, drying, cooling the finish paint coating, and subsequently coating noctilucent materials on the surface of the finish paint coating. The steel plate has the effects that the noctilucent layer is enhanced to absorb the natural light; good light emission brightness in dark is obtained; the bonding effect of the primer paint coating is guaranteed; the service life is not influenced by desquamation; the process procedures are simple; and the requirements on industrial production expansion are met.

The invention discloses an ultra-long-afterglow energy-storing luminous resin adhesive and a preparation method thereof, and belongs to the field of luminous resin adhesives. The resin adhesive comprises 20-40 parts of luminous powder, 50-70 parts of an acrylic resin adhesive, and 5-15 parts of an aid which does not contain heavy metal compounds, wherein the grain size of the luminous powder is 100-300 meshes; the aid is prepared from an antifoaming agent, a drier, an ultraviolet light absorber, a coupling agent and polyamine wax according to a ratio of (0.3-0.5):(0.1-0.35):0.4:1.6:1.4. The ultra-long-afterglow energy-storing luminous resin adhesive has the advantages that the decoration performance is good, energy is saved, the adhesive is non-toxic and non-radioactive, the long-term luminous performance is excellent, the luminance is adjustable, the storage stability is good, the cost is low, and the economic and social benefits are remarkable. All technical performance indexes of the ultra-long-afterglow energy-storing luminous resin adhesive are superior to other energy-storing luminous coating, and the ultra-long-afterglow energy-storing luminous resin adhesive has a wide promotion prospect.

The night flying model airplane includes fuselage, wings and airscrew, and the fuselage and the wings are made of luminous material. The fuselage and the wings have in the surface adhered luminous paper with coated long-afterglow luminous agent. After being illuminated with natural light, lamp light, ultraviolet light, etc., the long-afterglow luminous agent can store the light energy and emit visible light in relatively high brightness after the illuminating light source disappears. The model airplane can emit light in night without needing battery to supply energy, and this makes the model airplane capable of flying for long time.

The invention discloses a water-based inorganic flame-retardant luminescent coating, which comprises a flame-retardant coating and a luminescent coating; mixing a water-based flame-retardant binder, an inorganic flame retardant and an inorganic filler, stirring, ultrasonication, stirring and mixing, and adding an inorganic thickener Add the film-forming agent and water repellent to the first solvent, drop ammonia water, and get the second mixed solution with a pH value of 7-9; stir, cool to room temperature, and evaporate the remaining The first solvent and ammonia water are used to completely dissolve the product in the second solvent to obtain a third mixed solution; adding a coupling agent and long afterglow powder and stirring evenly to obtain a luminescent paint. The flame retardant coating in the coating has a more excellent flame retardant effect, which eliminates the high pollution problem caused by organic flame retardants, and causes less harm to the environment; the luminous coating makes the coating water resistant as a whole, and at the same time avoids The adverse effect of flame retardant coatings on long afterglow powder, when a fire occurs, can guide the direction of escape and reduce the loss caused by fire.

The invention discloses fluorescent powder for a white LED (light emitting diode) for illumination display as well as a preparation method and application thereof. The chemical general formula of the fluorescent powder is (Sr1-yCay)2-xSi5-zAlzN8-zOz:xEu<2+>. The preparation method comprises the following steps of weighing the raw materials according to the stoichiometric ratio of the chemical general formula and then weighing a cosolvent and an impurity removal reagent; carrying out mixing and grinding; and putting all the raw materials into a boron nitride crucible, carrying out high temperature heat preservation in a protective atmosphere, carrying out cooling to reach room temperature, grinding a sintered product and carrying out sieving so as to obtain the fluorescent powder for the white LED (light emitting diode) for illumination display. The fluorescent powder is used in various illumination display devices with near ultraviolet light as an excitation source. The fluorescent powder solves the problems that in the prior art, when a near-ultraviolet chip excites trichromatic fluorescent powder to form white light, reabsorption is caused, and the light conversion and energy conversion efficiency is low due to reabsorption, the light emitting uniformity is poor, and the color rendering property is poor due to the deficiency of red light. The fluorescent powder is suitable for the various illumination display devices with the near ultraviolet light as the excitation source.

Related to encapsulating structure for semiconductor, the invention includes following parts: basis material of having positive and negative faces; semiconductor setup on the positive and negative faces of the basis material; outline border set made from opaque material on the basis material, and around the semiconductor; high molecular obsturator in use for filling up the outline border set, and capable of letting light source pass in or out of the obsturator. Advantages are: easy of setting procedures, low cost for adding devices, good mechanical strength of basis material; usable traditional encapsulation equipment, and high luminous brightness.

The invention provides an alarm system with the acousto-optic early-warning design. The alarm system comprises a light early-warning circuit and a sound early-warning circuit, wherein the light early-warning circuit is connected with the sound early-warning circuit, the light early-warning circuit comprises a resistor R6, a light emitting diode LED1, a light emitting diode LED2, a resistor R7 anda transistor Q4, the sound early-warning circuit is respectively connected with the first end of the resistor R6 and the first end of the resistor R7, the second end of the resistor R6 is connected with the first end of the transistor Q4 through the light emitting diode LED1 and the light emitting diode LED2 which are connected in series, the second end of the transistor Q4 is connected with the second end of the resistor R7, and the third end of the transistor Q4 is grounded. A system with relatively simple structure and an early-warning alarm function for giving an alarm by utilizing a soundand light synchronous reminding mode is designed. Under the condition that the sound is insufficient to expel pests or small animals in the protected region, the pests or the small animals can be frightened by the abruptness of the light rays.

The invention discloses a luminescent material for an electric signboard. The material is prepared from the following raw materials in parts by weight. 65 to 75 parts of isophthalic acid type unsaturated polyester resin, 15 to 20 parts of polyurethane resin, 40 to 50 parts of a light storage material, 3 to 10 parts of zinc stearate, 0.5 to 1.2 parts of magnesium oxide, 5 to 15 parts of glass fibers, 0.5 to 2 parts of hydroxyl silicone oil, 0.2 to 0.6 part of an ultraviolet light absorber, 0.5 to 1 part of an initiator, 0.1 to 0.5 part of a drier and 15 to 25 parts of a solvent. The luminescentmaterial for the electric signboard is good in self-luminous effect and excellent in wear resistance and high temperature resistance.

The present invention provides a radiation image detector, comprising: a photoelectric conversion element array; a scintillator layer; a reflection layer located opposite to the photoelectric conversion element array across the scintillator layer; an undercoat layer existing between the scintillator layer and the reflection layer, and connected to the scintillator layer in an image forming region;and an intermediate layer existing between the photoelectric conversion element array and the scintillator layer, werhein a portion where the distance from the tip of the scintillator layer to the photoelectric conversion element array is within 50 [mu]m is defined as a scintillator adjacent portion A, a position where the distance from the evaporated surface of the scintillator layer to one sideopposite to the photoelectric conversion element array is within 50 [mu]m is defined as a scintillator adjacent portion B, each of the scintillator adjacent portion A and the scintillator adjacent portion B includes one or more kinds of inorganic substances, and a thermal expansion coefficient difference between the substances having the minimum thermal expansion coefficient included in the scintillator adjacent portion A and the scintillator adjacent portion B is 1.5*10<-5>[ / K] or less.

The invention discloses a multifunctional amphiphilic conjugated molecular material and its preparation method and application. The material is composed of high-efficiency luminescent fluorene and pyrene substances, phosphonate is used as a polar side group, and different alkyl chains are selected. The linear molecular compound, its general structural formula is shown in the following formula: wherein, R is one of C1-C30 alkyl, alkoxy, alkylphenyl, alkylphenoxy, aryl. The material has the advantages of simple chemical structure and low synthesis cost, as well as good solution processing performance, film-forming performance and multifunctional optoelectronic properties. It can be used as a multifunctional material to simultaneously achieve high-brightness blue light emission and efficient cathode interface modification. Organic light-emitting diodes using this material as both the light-emitting layer and the interface layer can use a simplified device structure to achieve excellent optoelectronic characteristics through solution process or inkjet printing, which overcomes the manufacturing obstacles in conventional multilayer devices.

Related to encapsulating structure for semiconductor, the invention includes following parts: basis material of having positive and negative faces; semiconductor setup on the positive and negative faces of the basis material; outline border set made from opaque material on the basis material, and around the semiconductor; high molecular obsturator in use for filling up the outline border set, and capable of letting light source pass in or out of the obsturator. Advantages are: easy of setting procedures, low cost for adding devices, good mechanical strength of basis material; usable traditional encapsulation equipment, and high luminous brightness.

The invention relates to a chip LED (light emitting diode) display screen and manufacturing method thereof. The chip LED display screen comprises chip LED lamps, a circuit board, a driving component, a waterproof colloid and a bottom shell, wherein the chip LED lamps are uniformly welded on the circuit board; the driving component is welded on the circuit board; and the circuit board is arranged on the bottom shell. The manufacturing method comprises the following steps of: welding and connecting the chip LED lamps with the circuit board; adhering film at the rear side of the circuit board; fastening the circuit board and a glue injection mold by screw bolts; injecting the waterproof colloid in the glue injection mold; cutting off residual colloid on the edges of the circuit board; cutting shaped lines on the surface of the colloid between the LEDs; welding the driving component at the rear side of the circuit board; locking and assembling the circuit board and the bottom shell by screws; adhering film at the periphery of the contact surface of the bottom shell and the circuit board; and injecting the waterproof colloid in a cavity of the bottom shell. The chip LED display screen provided by the invention is waterproof, moisture-proof, long in service life and uniform in illumination. The manufacturing method in the invention is simple and can be popularized.

The invention discloses an organic light-emitting superlattice thin film, a preparation method and application thereof, and belongs to the field of organic semiconductor photoelectric materials. The organic light-emitting superlattice film is an organic light-emitting film formed by alternate epitaxial growth of two kinds of two-dimensional organic molecules on the substrate surface, and the two-dimensional organic molecules are selected from perylene-3,4,9,10-tetracarboxylic dianhydride, N,N'-Dimethyl-3,4,9,10-perylenetetracarboximide, N,N'-dioctyl-3,4,9,10-perylenedicarboximide and 3 ,4,9,10‑Tetracarboximide. The preparation method is as follows: the growth source material of the first two-dimensional organic molecule and the substrate are placed in different positions of the tube furnace, and the first layer of organic light-emitting film is epitaxially grown on the surface of the substrate; the growth source material is replaced by the second Two-dimensional organic molecules, grow the second layer of organic light-emitting thin film; repeat the replacement of growth source materials, and alternately grow multi-layer organic light-emitting thin films, that is, organic light-emitting superlattice thin films. The organic light-emitting superlattice thin film has high quality and high luminous intensity, and can be used as a light-emitting layer of an organic light-emitting field effect transistor.

The invention provides a tunnel lighting device with the automatic polymerization function. The tunnel lighting device comprises annular lighting lamps, a light polymerization connecting cover, an installation base, an embedded remote control switch and a mapping mirror. The annular illuminating lamps are arranged at the tops and the bottoms of the left end and the right end in a tunnel. Two rowsof annular illuminating lamps are arranged at the top of each side in the tunnel. One row of annular illuminating lamps is arranged at the bottom of each side in the tunnel. The embedded remote control switch is arranged between the installation base and the annular illuminating lamps through screws. The embedded remote control switch is electrically connected with the annular illuminating lamps.The mapping mirror is an independent part and is independently arranged in the tunnel. By means of the embedded remote control switch and the light polymerization connecting cover, the problems that an existing tunnel lighting device cannot well solve the daytime effect and the nighttime effect generated when a vehicle enters a tunnel in the daytime or at night and drives away from the tunnel, andthe light source regulation and control capacity is limited in the prior art are solved.

For oxygen-doped silicon-based nitride film yellow-green band light-emitting diodes, a-SiNX film is deposited on a P-type single crystal silicon wafer or ITO glass substrate with a resistivity of 4-20Ωcm, and the film thickness is between 40-100nm. The a-SiNX film is then plated with a thin film metal electrode; the back of the P-type monocrystalline silicon wafer is plated with another electrode, and the ITO itself constitutes the other electrode. For silicon-based light-emitting devices with ITO as the anode, a 1 μm thick metal aluminum (Al) film is directly evaporated on the active layer as the cathode. The Al electrode is a round spot with a diameter of 3 mm, with ITO as the anode at one end. is the light exit end.

The invention discloses a fluorescent powder for a white light LED for lighting display and its preparation and application. The general chemical formula of the phosphor is (Sr 1‑y Ca y ) 2‑x Si 5‑z Al z N 8‑z O z :xEu 2+ . According to the stoichiometric ratio of the general chemical formula, weigh each raw material, and then weigh the co-solvent and impurity-removing reagent; mix and grind; place it in a boron nitride crucible, keep it in a protective atmosphere at high temperature, cool it to room temperature, grind the sintered product, and sieve it , the phosphor powder for white LEDs for illumination display is obtained. The phosphor powder is used in various illumination display devices with near-ultraviolet light as the excitation source. The phosphor solves the problem of reabsorption in the prior art when the near-ultraviolet chip excites three primary color phosphors to form white light, and the low light conversion and energy conversion efficiency, poor uniformity of luminescence, and lack of red light caused by reabsorption. It leads to problems such as poor color rendering, and is suitable for various illumination display devices with near-ultraviolet light as the excitation source.

The invention discloses a lateral light-emitting optical fiber and a backlight module with the same. The lateral light-emitting optical fiber comprises an optical fiber body, an arc-shaped groove is concavely formed in the side wall of the optical fiber body, and an anti-reflection film is arranged on the groove wall of the arc-shaped groove. Total reflection inside the optical fiber is destroyedby arranging the arc-shaped groove, and meanwhile, the anti-reflection film is arranged on the groove wall of the arc-shaped groove, so that the reflection effect of the arc-shaped groove on light canbe improved, the light which is destroyed and totally reflected in the optical fiber is refracted out from the other side, opposite to the side provided with the limiting groove, of the optical fiber, and lateral light emitting is further achieved.