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

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 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 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 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 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 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 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.