38results about How to "Increase the beam angle" patented technology

The invention discloses a large-angle LED (Light Emitting Diode) lens, comprising a main body, wherein the lower end of the main body is provided with an opening, the main body is shell-shaped and is provided with light-incident surfaces and light-emergent surfaces; the light-incident surfaces are symmetrically arranged around the central axis of the main body, and are positioned at the inner sides of the main body; the light-emergent surfaces are arranged at the outer side of the main body; the light-incident surfaces are light-transmitting concave surfaces; the light-emergent surfaces are light-transmitting convex surfaces; the maximum thickness d1 of the lower part of the main body and the minimum thickness d2 of the top part of the main body meet the condition that d1 / d2 is more than 4 and less than 6; the concave depth h1 of each light-transmitting concave surface and the minimum thickness d2 of the top part of the main body meet the relation: h1 is more than 4*d2; and the convex height h2 of the light-transmitting convex surface and the minimum thickness d2 of the top part of the main body meet the relation: h2 is more than 5*d2. The large-angle LED lens disclosed by the invention has the advantages that the light beam angle of the large-angle lens is converted to be larger than 130 degrees so as to realize large-angle illumination and simultaneously improve the illumination uniformity; and due to the design with the light-transmitting concave surfaces and the light-transmitting convex surfaces, the total reflection probability of light is reduced to be lowest, so that the enlarging of the light-emergent angle is ensured, simultaneously, the efficiency of the lens is also enabled to be 90%, and the light utilization rate is furthest increased. The invention also discloses a large-angle light-emergent LED light source module.

The invention relates to the electrical design field, and discloses a coat having a high light transmittance and a high astigmatism degree. The coat comprises 1-15% by mass of spherical organic silicon micro-powder, 0-5% by mass of square barium sulfate, 0-15% by mass of an inorganic filler, 20-90% by mass of a resin, 0-40% by mass of a solvent, 0-4% by mass of an assistant and 0-0.5% by mass of a coloring agent, and the spherical organic silicon micro-powder has a high light transmittance and a high astigmatism degree. The invention also discloses an LED lampshade having a high light transmittance and a high astigmatism degree. The LED lampshade comprises the coat and an LED lampshade body, and the coat is coated on the LED lampshade body. The invention also provides a PC material having a high light transmittance and a high astigmatism degree. The PC material is composed of 0.7-1.0% by mass of the spherical organic silicon micro-powder, 0-1.0% by mass of the square barium sulfate and 98-99% by mass of a transparent PC material, and the spherical organic silicon micro-powder has a high light transmittance and a high astigmatism degree. The PC material is used for preparing lampshades or sheets.

The invention relates to the LED technical field, which aims at providing a sloping surface LED supporting frame and an LED light source. An LED enclosure surface is arranged on the surface of the sloping surface LED supporting frame of the invention, the enclosure surface is in a sloping surface such as a conical surface, a truncated cone surface, a pyramid surface or a semisphere surface; at least more than one LED enclosure channel can also be laterally arranged on the sloping surface, or LED enclosure holes can be arranged on the surface layer of the sloping surface. The boundedness of the original plane supporting frame in the secondary reflecting respect by adopting the supporting frame and the LED light source of the invention can be broken through, and the light source brightness can be further increased; the LED light source formed through independent circuits respectively controlling all enclosure channels can produce the special effect of different light distances.

The invention provides a strip-shaped lens for an LED daylight lamp and the large-angle LED daylight lamp. The strip-shaped lens comprises a strip-shaped body. The upper surface of the longitudinal section of the strip-shaped body protrudes outwards to form an emergent surface. The middle of the emergent surface is provided with a concave surface. The position, corresponding to the concave surface, of the lower surface of the longitudinal section of the strip-shaped body is sunken inwards to form an incident cavity, and the inner wall of the incident cavity serves as an incident surface. As the strip-shaped lens is arranged on an LED bulb of the LED daylight lamp, light emitted from a light source which is placed in the incident cavity of the lens passes through the incident surface and is emitted via the protruding emergence surface, a large light distribution angle larger than 120 degrees in the vertical direction can be easily achieved, and the light distribution angle can reach 150 degrees by the adoption of the scheme. Furthermore, the concave surface of the middle of the emergence surface can allow light which is originally concentrated in the middle of the light source to be refracted all around, and then the light-emitting angle and peripheral light intensity of the lens after light distribution of the light source are increased.

The invention discloses a ceramic substrate LED apparatus which comprises an LED wafer, a ceramic substrate which bears the wafer, a circuit layer which is connected with the LED wafer, phosphor mixing glue which is coated on the LED wafer, and a combination layer of the LED wafer and a bearing substrate. The apparatus is characterized by also comprising a radiation heat emission film at one side of the substrate which bears an LED and a nano-ceramic glaze coating layer on the radiation heat emission film. According to the invention, reliability of a product of is raised, heat generated by the LED wafer is rapidly removed, heat emission performance is good, luminous efficacy is high, a service life is long, volume and weight are substantially reduced, a luminescent angle is wide, and a point light source rises to a surface light source.

The invention discloses an LED (Light-Emitting Diode) bulb lamp, comprising a lamp holder, a circuit board, a driving power supply, a transparent lamp shell, LED lamp beads and a lamp panel, wherein the circuit board and the driving power supply are arranged in the lamp holder and the LED lamp beads are arranged on the lamp panel; the lamp panel is fixedly arranged on the lamp holder and is arranged inside the transparent lamp shell; the transparent lamp shell is fixedly arranged on the lamp holder; the lamp panel is spherically arrayed; the LED lamp beads are arranged on the surface of the lamp panel and are spherically distributed; the lamp panel comprises at least four groups of lamp boards: a first lamp board in a plane shape, a second lamp board, a third lamp board and a fourth lamp board, wherein at least three faces of the second lamp board are in the plane shape; at least three faces of the third lamp board are in the plane shape; and at least three faces of the fourth lamp board are in the plane shape. The LED bulb lamp has the advantages of large light-emitting angle and uniform light emission in each direction.

The invention provides an LED crystal covering structure coated with fluorescent powder. The LED crystal covering structure comprises a shell, a substrate, an LED chip, a first electrode, a second electrode, a reflecting layer and a covering layer. The reflecting layer is integrally formed on the substrate, the LED chip is welded to the substrate in an inversed mode and provided with a positive electrode and a negative electrode, the positive electrode is connected with the first electrode, the negative electrode is connected with the second electrode, and the covering layer covers the upper portion of the LED chip. The LED crystal covering structure has the advantages that the electric conduction area is large, internal resistance is small, a large current can pass through the LED crystal covering structure, and excessively-large heat caused by the large internal resistance can be reduced; the light emitting efficiency is high, and the light emitting angle is large. A packaging technology is simplified, the packaging cost is reduced, and the production efficiency is improved; light attenuation is low, rapid light attenuation caused by the heat is avoided, the service life of the LED chip is accordingly prolonged, and the service life of the LED crystal covering structure is more than ten times that of a common lamp.

The invention discloses a backlight source module with a light diffusion component, which comprises a rubber frame (1), a back plate (2), a reflecting device (3), a light source (4), a diffusion plate (5) and an optical diaphragm group (6). The light diffusion component (7) placed on the reflecting device (3) is arranged on the outer side of the light source (4), is provided with a plurality of surfaces and consists of at least one total-reflection surface (71), at least one transmission surface (72) and at least one large-angle total-reflection surface (73), the total-reflection surfaces (71) are capable of totally reflecting the light source, the transmission surfaces (72) are capable of transmitting large-angle light rays, and the large-angle total-reflection surfaces (73) are capable of totally reflecting large-angle incident light. The backlight source module is provided with the light diffusion component with the multiple surfaces, the light rays emitted from the light source are totally reflected, refracted and reflected by the aid of the light diffusion component, accordingly, a luminescence form of the light source is changed, a luminous angle of the light source is increased, homogenization and dimming of the light source are realized, and the utilization efficiency of the light source is improved.

The invention relates to the technical field of LEDs, and particularly relates to a double-layer-circuit and wide-angle light-emitting LED soft lamp strip and a light-emitting product. The double-layer-circuit and wide-angle light-emitting LED soft lamp strip comprises a flexible substrate, an LED wafer and two connecting circuits. The two connecting circuits are arranged on the flexible substrateand are connected with each other. The LED wafer is directly disposed on the flexible substrate. The LED wafer is connected with the at least one connecting circuit.

The invention provides a full-light-distribution LED bulb which comprises a lamp holder, a lamp cover connected with the lamp holder, an LED light-emitting module arranged in the lamp cover and a reflective layer arranged in the lamp cover. The reflective layer reflects at least a part of light of at least a part of LED light sources in the LED light-emitting module, and enlarges the light-emitting angle of the LED light-emitting module. The full-light-distribution LED bulb solves the problem that a light-emitting angle is small, use of a mixed light bulb shell is avoided, large-angle reflection of a part of the light of the LED light-emitting module is achieved due to the fact that the reflective layer of a special structure is arranged in the lamp cover, and accordingly the overall light-emitting angle of the bulb is greatly increased, a few LED lamp beads are needed, the structure is simple, work heat quantity is low, and service life is long.

The invention discloses a full-angle luminous LED (light-emitting diode) light source. The full-angle luminous LED light source comprises a substrate, an LED chip arranged on the substrate and a fluorescent glue layer, wherein the substrate is a transparent substrate, a through hole is arranged in the transparent substrate, a thermoelectric connector is arranged in the through hole, one end, close to the LED chip, of the thermoelectric connector is connected with an LED chip connecting electrode, the other end of the thermoelectric connector is connected with a circuit connecting electrode, and the LED chip connecting electrode is electrically connected with the LED chip. According to the full-angle luminous LED light source, the transparent substrate and the thermoelectric connector are adopted, the luminous angle and the heat dissipation property can be improved, the application stability of the full-angle luminous LED light source is improved, and the service life is also prolonged. The invention also discloses a full-angle luminous LED light source, in a preferable scheme, the preparation of the fluorescent glue layer is further improved, the stability of the full-angle luminous LED light source is improved, and the luminous efficacy and the uniformity of the lighting effect are simultaneously improved.

The invention discloses light emitting diode equipment, which comprises a substrate, a bracket and a light emitting diode chip, wherein an insulation layer and a conductive layer arranged thereon are both arranged on the substrate; the bracket forms a concave opening and a light projecting hole of the bowl structure of the light emitting diode together with the substrate; the light emitting diode is arranged on the substrate and electrically connected with the conductive layer; the bracket adopts a transparent material; the bowl structure of the light emitting diode is transparent; and a light emitting from the light emitting diode can emit out of the bowl structure. The light emitting diode has the advantages of large light quantity and emitting angle.

The invention discloses a design method of a light reflection cup of a large-angle LED (Light Emitting Diode) bulb lamp. The design method comprises arranging light sources which are arranged in the LED bulb lamp on the inner side and the outer side of the light reflection cup respectively to enable the light sources and the bottom surface of the light reflection cup to be located on the same horizontal plane; performing light distribution division with a single light source which is arranged outside as a benchmark and performing analysis on the plane the single light source passing through; performing equal luminous flux subdivision on the irradiation light of the light source to enable every small portion to irradiate on a corresponding object; calculating a series of points through an MATLAB according to the law of refraction and reflection, fitting the points in PROE software and performing modeling and exporting a model; importing the obtained model into optical software TRACEPRO and performing optical simulation validation; outputting the final model if a validation result meets the design requirements. According to the light reflection cup of the large-angle LED bulb lamp, the light emitting angle of the LED bulb lamp can be increased, the light distribution is uniform, the efficiency is high, the light emitting angle of the LED bulb lamp can be greatly increased due to the light reflection cup which is arranged on a substrate of the traditional plane arrangement LED bulb lamp, the structure is simple, and assembly and production are convenient.

The invention relates to an LED light source and a preparation method thereof and a backlight module, and belongs to the technical field of display. The LED light source comprises a light source substrate, a green light chip, a blue light chip and packaging glue. The green light chip and the blue light chip are fixedly arranged at the upper end of the light source substrate, the green light chip and the blue light chip are both electrically connected with the light source substrate. The packaging glue is fixedly arranged at the upper end of the light source substrate, the green light chip and the blue light chip are packaged in the packaging glue, diffusion powder is mixed in the packaging glue, and the diffusion powder can perform primary scattering on light rays emitted by the green light chip and the blue light chip. Compared with the prior art, the light emitting angle of the LED light source can be increased, the cost is reduced, and the service life of the backlight module is prolonged.

The invention relates to a nano-zirconia ceramic LED lamp filament and a manufacturing method thereof and belongs to the technical field of LED ceramic lamp filaments. The manufacturing method of the nano-zirconia ceramic LED lamp filament includes the following steps of raw material blending, organic colloid preparing, pug preparing, injection molding, extracting and dewaxing, heating and degreasing, high-temperature sintering and mirror polishing. The nano-zirconia ceramic LED lamp filament is good in light-emitting effect, high in strength, light transmission and light-emitting efficiency and good in breaking tenacity, the light-emitting efficiency reaches up to 180 LM / W (lumen / watt), the thickness tolerance of the nano-zirconia ceramic LED lamp filament can be controlled to be 0.01 mm in the manufacturing process, the light-emitting angle reaches up to 360 degrees, and service life reaches up to 80,000 hours.

The present invention provides a high-efficiency SMD LED packaging structure, which includes an LED bracket and an LED chip. The LED bracket is a bowl structure with four inverted trapezoidal grooves, and the chips are respectively distributed in four independent bowls. The bowl of the LED bracket has an inverted trapezoidal structure. The front surface of the bottom of the four grooved bowls is provided with a silver-plated layer. The thickness of the silver-plated layer is 80μm-120μm. Layer, there are two groups of LED chips in the crystal-bonding area, each group of chips includes two small LED chips in series, with this package structure, the working current of each LED chip is 30mA, so that the light attenuation speed of the LED is slower, and the LED The lifespan is longer, and four chips are used to work at the same time. The LED lamp beads emit more uniform light, and the light efficiency can be increased by 7%.

The invention discloses a light emitting diode (LED) bulb lamp with a good radiating effect. The LED bulb lamp comprises a lamp cap, a lamp holder and a lamp shade, and is characterized in that the lamp cap is fixedly connected with the lamp holder; the lamp holder is movably connected with the lamp shade; a luminous body substrate is arranged in the lamp holder; a luminous body is arranged on the luminous body substrate; a radiating cavity is formed in the lamp holder; radiating fins are arranged at the periphery of the lamp holder; and radiating reinforcing ribs are arranged among the radiating fins. The LED bulb lamp has the advantages that a light emitting angle is effectively increased; light emitted in all directions is uniform; and the LED bulb lamp is high in radiation, long in service life and easy to replace, and can be popularized and used.

The invention discloses an LED patch bracket, which comprises a bracket body, wherein a bowl is arranged in the bracket body; a plurality of LED chips can be arranged at the bottom of the bowl of the bracket body and the bowl can be filled with fluorescent glue after the LED chips are arranged; the inner side surface of the bowl of the bracket body is of an inverted trapezoidal structure; the range of the included angle between two transverse sides of the inverted trapezoidal structure is 108-110 degrees; the range of the included angle between two vertical sides of the inverted trapezoidal structure is 135-137 degrees; a plurality of insulated and isolated substrates are fixedly arranged at the bottom of the bracket body; the substrate comprises a positive substrate, a negative substrate and a plurality of chip substrates capable of installing the LED chips arranged between the positive substrate and the negative substrate; the positive substrate and the negative substrate are arranged at two ends of the bottom of the bracket body; the back surfaces of the substrates all are provided with bonding pads capable of welding leads; and the LED chips are connected in series or in parallel through the leads welded on the bonding pads.

The invention relates to a fluorescent lampshade type light-emitting diode (LED) white light module. The fluorescent lampshade type LED white light module is characterized in that a fluorescent lampshade mixed with fluorescent powder and provided with an arc-shaped top face is covered on a blue luminous body substrate plate composed of one or a plurality of blue luminous tubes, silica gel or epoxy resin is filled between a luminous body and the fluorescent lampshade to form a transparent layer, blue light emitted by the blue luminous body reaches the fluorescent lampshade through the transparent layer, and white light with a lighting angle from 200 degrees to 300 degrees can be stimulated after the blue light is combined with the fluorescent powder in the fluorescent lampshade.

The embodiment of the invention provides an LED packaging structure and a preparation method of the LED packaging structure, and the LED packaging structure comprises a substrate which is provided with a first bonding pad and a second bonding pad; the bottom surface of the carrier is fixed on the substrate, the carrier is provided with a third bonding pad and a fourth bonding pad, the third bonding pad is configured to partially cover the top surface of the carrier and extend to each side surface, the fourth bonding pad is configured to partially or completely cover the top surface of the carrier and extend to each side surface, the third bonding pad is electrically connected with the first bonding pad, and the fourth bonding pad is electrically connected with the second bonding pad. The fourth bonding pad is electrically connected with the second bonding pad; the plurality of LED chips are respectively fixed on each surface, except the bottom surface, of the carrier; and the protective colloid covers the substrate, the carrier and the plurality of LED chips. According to the LED device, the carrier is arranged, and the LED chips are respectively welded on each surface of the carrier, so that the light-emitting angle of one LED device reaches 180 degrees, and the light-emitting angle of the LED device and the light-emitting brightness of each angle are obviously improved.

The invention discloses an aluminum profile lamp strip. The aluminum profile lamp strip is characterized in that a bottom layer aluminum profile for being connected with a base layer panel, an arc-shaped aluminum profile for installing LED lamp bars and an intermediate connection aluminum profile for connecting the bottom layer aluminum profile and the arc-shaped aluminum profile are included. According to the aluminum profile lamp strip, different luminous graphics can be designed according to different needs, productbility is good, space occupation is little, field construction and installation are convenient, the installation efficiency is high, maintenance is convenient and quick, and the cost is lower; recycling can be achieved, meanwhile, the three-dimensional effect is strong, and the visual effect is good; chemical properties are stable, the weight is low, magnetism is avoided, and recycling can be achieved; nuclear radiation resistant performance can be achieved, metal contamination and toxicity are avoided, and the surface oxide layer has no volatile metal; and the aluminum profile lamp strip is an environment-friendly benign recyclable metal material, and has broad application prospects.

The invention relates to a lens for a high-power LED road lighting lamp. The lens comprises a lens body, wherein the surface of the lens body comprises an arc curve and a plane; a positioning groove for positioning and mounting an LED light-source chip is reserved on the plane of the lens body, and is matched with the LED light-source chip; the center of the positioning groove is superposed with that of the lens; and an illuminated face elongated slot is reserved in the center of the plane of the lens body. The positioning groove for positioning and mounting the LED light-source chip is reserved on the plane of the lens body, and the center of the positioning groove is superposed with that of the lens, so that the LED light source chip can be correctly fixed and positioned in the center of the lens without displacement; and the illuminated face elongated slot is arranged in the center of the plane of the lens, two ends of the illuminated face elongated slot are provided with curve surfaces, and the middle part is a plane. Therefore, illumination angles can be well controlled by regulating the included angle between the curve surfaces at two ends and the plane in the middle.

The invention discloses a method for processing a substrate with a large light-emitting angle, which relates to the technical field of manufacturing of LED (light-emitting diode) photoelectronic devices and comprises the following steps of: preparing a substrate with a manufactured light-emitting epitaxial layer structure and an electrode structure; evaporating a layer of metal film on the back surface of the substrate, performing high-temperature rapid annealing on the metal film to obtain micro-nano spherical metal particles, and randomly distributing the spherical metal particles on the surface layer of the back surface of the substrate; and etching the back surface of the substrate by taking the pattern consisting of the spherical metal particles as a mask, etching pits in an area, which is not covered by the spherical metal particles, of the back surface of the substrate, and after etching is finished, soaking with nitric acid or aqua regia to remove the spherical metal particleson the back surface of the substrate, so as to form a micro-nano-scale randomly distributed pit structure on the back surface of the substrate. The substrate is subjected to process treatment, so thatthe light-emitting angle of the LED is effectively improved.

The invention discloses an LED lamp. The LED lamp comprises a lamp bulb shell, a core column, a driving component, an insulation component, a mounting bracket, a lamp cap and a lighting component; thelighting component comprises at least one pair of LED filaments; the LED filaments are mounted on the core column; each pair of filaments of the at least one pair of LED filaments are arranged in a crossed mode, so that the illumination angle is increased; one end of the core column is installed in the lamp bulb shell so that a sealed lighting space can be formed; the bulb shell is filled with gas for prolonging the service life of the whole lamp; the other end of the core column is connected with a driving member so as to be driven by the driving member to adjust light emitted by the lighting component; the lighting component is located in the lighting space; the insulation component bushing arranged outside the driving member in a sleeving mode so that insulated installation between thedriving member and the lamp cap can be achieved; and the driving member is connected with an external power source through the lamp cap. The lighting angle of the lighting component in the LED lamp is increased, light emitted by the lighting component is adjusted through driving, thus, light of the LED lamp is adjustable, and the experience of a user of the LED lamp is enhanced.

The invention relates to a composite material, a preparation method thereof and application thereof for manufacturing an LED light mixing device.The invention further relates to the LED light mixing device comprising the composite material and an LED lamp comprising the LED light mixing device.According to the LED light mixing device, the light emitting angle is 240-280 degrees, and even light scattering is achieved.

The invention discloses a backlight source module with a light diffusion component, which comprises a rubber frame (1), a back plate (2), a reflecting device (3), a light source (4), a diffusion plate (5) and an optical diaphragm group (6). The light diffusion component (7) placed on the reflecting device (3) is arranged on the outer side of the light source (4), is provided with a plurality of surfaces and consists of at least one total-reflection surface (71), at least one transmission surface (72) and at least one large-angle total-reflection surface (73), the total-reflection surfaces (71) are capable of totally reflecting the light source, the transmission surfaces (72) are capable of transmitting large-angle light rays, and the large-angle total-reflection surfaces (73) are capable of totally reflecting large-angle incident light. The backlight source module is provided with the light diffusion component with the multiple surfaces, the light rays emitted from the light source are totally reflected, refracted and reflected by the aid of the light diffusion component, accordingly, a luminescence form of the light source is changed, a luminous angle of the light source is increased, homogenization and dimming of the light source are realized, and the utilization efficiency of the light source is improved.

The invention relates to a nano-zirconia ceramic LED lamp filament and a manufacturing method thereof and belongs to the technical field of LED ceramic lamp filaments. The manufacturing method of the nano-zirconia ceramic LED lamp filament includes the following steps of raw material blending, organic colloid preparing, pug preparing, injection molding, extracting and dewaxing, heating and degreasing, high-temperature sintering and mirror polishing. The nano-zirconia ceramic LED lamp filament is good in light-emitting effect, high in strength, light transmission and light-emitting efficiency and good in breaking tenacity, the light-emitting efficiency reaches up to 180 LM / W (lumen / watt), the thickness tolerance of the nano-zirconia ceramic LED lamp filament can be controlled to be 0.01 mm in the manufacturing process, the light-emitting angle reaches up to 360 degrees, and service life reaches up to 80,000 hours.