89results about How to "Good dodging effect" patented technology

The invention relates to an optical conversion luminous film and a preparation method thereof. The optical conversion luminous film is formed by a diffusion film and a mixed paint layer on the diffusion film; the optical conversion luminous film has the thickness of 30-200mum, wherein, the thickness of the diffusion film is 20-70mum; the mixed paint layer is made of 10.000-30.000% of yellow luminous fluorescent material, 0.001-2.000% of red luminous fluorescent material, 60.000-89.000% of polymer resin, 1.000-5.000% of bi-amino silane, 0.000-20.000% of diluting agent and 0.000-5.000% of accessory ingredient. By combining the yellow luminous fluorescent material and the red luminous fluorescent material, the invention can realize the aim of regulating chromaticity coordinate, color temperature and color rendering index, thus preparing the optical conversion luminous film which is made of the fluorescent materials and has the advantages of high color rendering index of the photodiffusion effect, good property of uniform light, anti-dazzle, high light conversion efficiency, low cost, excellent aging characteristic and simple production technique.

The invention relates to a module possessing a light conversion function. An organic silicone rubber is taken as a carrier. An LED phosphor and an organic light diffuser agent are added to form the light conversion module. The module is soft and elastic. A preparation method is characterized by: mixing organic silicon glue, the LED phosphor and the organic light diffuser agent uniformity; injecting into a mould, heating, curing and molding. The module can be used in a blue ray LED light source. The LED phosphor can be excited to glow by the blue ray emitted by the blue ray LED light source, and through reflection, refraction and scattering effects of the organic light diffuser agent, the light of the LED phosphor and the blue ray which is not be absorbed are composited into the white light or the light with other colors. The light color and intensity of the obtained compound light distribute uniformly, and are soft without glare. The compound light can realize the wide-angle light and can be applied in LEC illumination and decorative lamps.

The invention relates to a photoetching lamp optical system, which comprises a light source, an integral rod, a relay lens and a mask, and is characterized by also comprising a uniformity strengthening component. According to the photoetching lamp optical system, the uniformity strengthening component is added in an incident end of the integral rod, so that the illumination uniformity can be greatly improved under the condition that the integral rod is shorter. Simultaneously, the cost can be reduced, the size of a machine is decreased, and the difficulty in assembly is reduced.

The invention provides a backlight module, a manufacturing method thereof and a display device, and the backlight module comprises a light-emitting plate, wherein the light-emitting plate consists ofa first basilar plate, a plurality of light-emitting units provided on the first basilar plate and a first reflecting film layer, a first hollow area with multiple array arrangement on the first reflective film layer, the light-emitting units correspond to the first hollow areas one by one and are arranged in the corresponding first hollow areas; a transparent reflection film layer arranged on thelight-emitting plate comprises a transparent film layer and a plurality of second reflection patterns, wherein the transparent film layer is provided with a plurality of second hollow areas arrangedin an array, the second reflection patterns correspond to the second hollow areas and are arranged in the corresponding second hollow areas, and a preset gap exists between the transparent film layerand the light-emitting plate; the light-emitting units correspond to the second reflection patterns one by one, and the orthographic projection of the light-emitting units on the first basilar plate is positioned in the orthographic projection area of the second reflection patterns on the first basilar plate. The integral light-emitting brightness of the backlight module is uniform, the light efficiency loss is reduced, and the power consumption and the thickness of the backlight module are reduced.

The application discloses light-emitting ceramic and a light-emitting device. The light-emitting ceramic is prepared from the following components: a YAG (Yttrium Aluminum Garnet) substrate, and light-emitting centers and scattering particles uniformly dispersed in the YAG substrate, wherein the light-emitting centers are YAG fluorescent powder particles with the particle diameter being 10-20mu mand doped by lanthanide-series elements; the particle diameter of the scattering particles is 20-50nm; the YAG substrate is YAG ceramic doped by the lanthanide-series elements, and the particle diameter of crystal grains of the YAG substrate is less than that of the crystal grains of the YAG fluorescent powder particles. The light-emitting ceramic disclosed by the application has the advantages ofhigh light-emitting efficiency and applicability to large-power light sources.

The invention relates to a light diffusion plate and a manufacture method of the light diffusion plate. The method comprises a first step of jet printing or coating of a light diffusion printing ink layer with the thickness of 1-20 microns on a flat-plate-shaped side face of a transparent organic plate and drying the printing ink to obtain a light diffusion layer, a second step of installing the light diffusion plate and a light source together, wherein the light diffusion plate is provided with the light diffusion layer and the transparent organic plate, and the light source is provided with a plurality of luminous points, measuring distribution of radiance of a light emitting surface of the light diffusion plate through a two-dimensional color analysis meter and drawing contour lines of the radiance, a third step of analyzing a thickness distribution diagram needing to be coated with the light diffusion printing ink in a jet printing mode, wherein the thickness distribution diagram corresponds to the radiance contour lines, and a fourth step of jet printing of light diffusion printing ink corresponding to the thickness distribution diagram of the light diffusion printing ink on the light diffusion layer or the other flat-plate-shaped side face of the transparent organic plate through a three-dimensional printer, and drying the light diffusion printing ink to form a second light diffusion layer with a plurality of local thickenings.

The present invention provides a uniform light element for a DMD digital photolithography system and a design method thereof, belonging to the field of digital photolithography technology. The methodcomprises more than one sub lens, each sub lens is one square with a length-width ratio of 1:2, the front surface of each sub lens is a plane, and the rear surface of each sub lens is a free curved surface. The uniform light element for the DMD digital photolithography system and the design method thereof are high in utilization rate of luminous energy, good in uniform light effect, small in sizeand convenient to integrate, can perform individual design of each sub lens, employ a mode of random arrangement of area sizes and positions, break periodicity of a traditional microlens array and greatly improve the uniform light effect of a coherent source.

The invention relates to a transverse deformation measuring system based on laser irradiation intensity variation, which comprises a laser device, an optical filter, a focusing lens, a photoelectric detector and an oscilloscope which are sequentially placed, wherein geometrical centers of the laser device, the focusing lens and the photoelectric detector are kept on an axis, main planes thereof are parallel to one another, and the photoelectric detector is electrically connected with the oscilloscope; the laser device is used for emitting laser, and irradiating the laser on a test piece to be measured arranged between the laser device and the focusing lens as well as on the optical filter behind the test piece to be measured; the photoelectric detector is used for receiving focused laser irradiation and sensing a light intensity signal, and acquiring an electric signal corresponding to the light intensity signal through photovoltaic conversion; and the oscilloscope is used for calculating and displaying the electric signal. The transverse deformation measuring system achieves measurement of material transverse deformation. A measuring device does not need to be adhered to an object to be measured in laser deformation measurement. The transverse deformation measuring system and a transverse deformation measuring method provided by the invention have high measurement precision and can capture any slight transverse deformation produced by the test piece.

The invention provides an optical film, a backlight module comprising the same and a display device. The optical film comprises a polarizing film and a diffusing film, wherein the polarizing film is used for converting incident light into polarized light and then emitting the polarized light; the diffusing film is arranged on the emergent surface of the polarizing film, and comprises scattering particles capable of forming Rayleigh scattering. The backlight module comprises an optical film and a light source; the light source is arranged on one side, away from the diffusing film, of the polarizing film. According to the optical film provided by the invention, the problems that the conventional diffusing film cannot be thinned, has a poor light uniformizing effect and causes brightness lossare solved; the polarizing film can convert the incident light into the polarized light and then emit the polarized light, so that the light coming into the diffusing film is the polarized light; thescattering particles in the diffusing film can diffuse the polarized light emitted from the polarizing film, so that the light uniformizing effect is enhanced and the brightness after diffusion is enhanced; the optical film is small in thickness; the backlight module facilitates reduction in the light mixing distance; the light uniformizing effect is enhanced; the overall brightness of the moduleis improved; thinning of a product is facilitated.

The invention discloses an illumination optical system for micro photoetching. A plurality of mercury lamps are used as light sources, thereby greatly improving the total light energy content of the light sources without causing the energy content of a single light source to be too large; and a plurality of quartz rods are used, and two sets of micro lens arrays are used as a light homogenizer, thereby effectively improving illumination uniformity and light intensity of an illumination field. The invention can be an illumination system for 365-465nm photoetching devices or other illumination systems.

The invention discloses a multi-focus dodging lens comprising a transmission unit and a total-reflection unit capable of peripherally enclosing the transmission unit. The transmission unit comprises a first collimation incident surface and a second collimation incident surface, which are provided with circular calibers, and are arranged sequentially along the central light beam transmission direction. The first collimation incident surface comprises more than two different curved surfaces, and the curved surface distribution structure of the second collimation incident surface is the same as that of the first collimation incident surface. The total -reflection unit comprises an incident side surface, a total-reflection side surface, and an outgoing side surface. The incident side surface is used for connecting the first collimation incident surface and the total-reflection side surface, and the outgoing side surface is used for connecting the total-reflection side surface with the second collimation transmission surface. The total-reflection side surface comprises more than two different curved surfaces, and the curved surface distribution structure of the outgoing side surface is the same as that of the total-reflection side surface. The invention also discloses an optical system. The multi-focus dodging lens is advantageous in that the blue edge or yellow edge phenomenon caused by the color separation can be prevented, and the dodging effect is good.

The invention discloses a laser light source device and a projection system. The laser light source device comprises a laser and a light combining assembly, wherein the laser comprises a first laser chip, a second laser chip and a third laser chip which emit laser with different wavelengths, the laser chips with the same color are arranged into a laser chip group, and the laser chips are arranged into a matrix; and the light combining assembly is positioned on the light emitting side of the laser and is used for enabling the laser beams with different colors emitted by each laser chip group to be converted and beam to the same position through a light path and then to be emitted in a set direction. The light combining assembly comprises a reflector and a light combining mirror, the laser beams are subjected to light path turning through the reflector, the laser beams with different colors are combined through the light combining mirror, and finally the laser beams emitted by the laser chip groups are combined to the same position, so that the positions of laser spots with different colors are overlapped, the spot size is reduced, and the lasers with different colors are mixed more sufficiently.

Provided is a 3D space scanning uniform light projection display device, which comprises a red light semiconductor laser light source module, a green light semiconductor laser light source module, a blue light semiconductor laser light source module, an X beam combining prism, a beam-shrinking collimating module, an eccentric rotating ball lens, an integral square bar, a relay lens group, a reflector, a collimating lens, a DMD and a projection lens. Red, green and blue laser light is combined by the X beam combining prism and then is input in a collimating way to the eccentric rotating ball lens after beam shrinking, so that the position of the focal point is constantly changing, a rotationally scanned image of a ring is approximately formed at the focal plane, uniform rectangular spots are obtained by entering an integrating square bar and are incident on the DMD through the relay lens group, the reflector and a collimating lens for modulation, then a projection display image is obtained, and finally the projection display image is input to the projection lens. The eccentric rotary ball lens technology improves the uniform light effect and also reduces the speckle contrast, and issuitable for the technical field of laser projection display.

The invention relates to an aircraft monopulse avoidance strategy determination method and system. The method comprises the following steps: determining the speed of an aircraft after pulse application; determining the operation angular momentum of the aircraft after the pulse is applied; determining the position of the aircraft after the pulse is applied; determining the eccentricity rate of the aircraft after the pulse is applied; determining a true anomaly of the aircraft after the pulse is applied; calculating an included angle between the initial position of the aircraft and an avoiding position on the avoiding track; determining a semi-major axis of an aircraft orbit after the pulse is applied; determining the spatial distance between the avoiding position of the aircraft on the avoiding orbit and the center of mass of the earth; determining the spatial distance from the position, attacked by an interceptor, of the aircraft to the center of mass of the earth when the pulse is not applied; and carrying out subtraction on the two distances to obtain a distance difference, and determining an optimal avoiding strategy. According to the method, the target aircraft can maneuver according to the preset design parameters when being attacked, and the target aircraft is away from the threat area.

The invention relates to an optical lens, in particular to a microlens array. The invention discloses a microlens array which at least comprises two microlens units in contact arrangement. Each microlens unit consists of a front working end face, a back working end face and side faces. The front working end face forms a first-level microlens array; the back working end face forms a second-level microlens array; and all or part of the side faces of each microlens unit are coated by a light-absorbent dielectric layer. As the side faces of each microlens unit are coated with the light-absorbent dielectric layer capable of absorbing the misplaced off-axis stray light in an illuminated zone, the illumination evenness can be greatly improved. In addition, the structure coated with the light-absorbent dielectric layer can also reduce the diffraction effect of the microlens array, and consequently further improve the dodging effect. The light-absorbent dielectric layer also has a heat conducting action, and can evenly conduct out the energy of the absorbed stray light and prevent the device from failure caused by overheating.

A fire-fighting emergency indicating lamp includes a housing, a back embedded box, a light guiding plate, a main circuit part, and a light sparing device for the fire-fighting emergency indicating lamp. The housing is one time molded by cold punching. The back embedded box is an injection moulding. The light sparing device for the fire-fighting emergency indicating lamp includes a light guiding body, a reflection matrix, back reflection film, light sparing film, an LED (light emitting diode) light source, side reflection film adhesive and an insulation adhesive tape; the LED light source is connected with the light guiding body through side reflection film adhesive, and the insulation adhesive tape is clamped and padded in the middle part; the light guiding body is processed by polymethyl methacrylate via one-time formation, the back side of the light guiding body is provided with the reflection matrix with a high reflection rate and is pasted with the back reflection film, a piece of light sparing film with high light transmittance is clung to the front face of the light guiding body, the remaining three faces of the light guiding body are pasted with the side reflection film adhesive; and the side face of the light guiding body is provided with an LED light source installation groove. The lamp has the advantages of a light weight, low energy consumption, high brightness, little light loss, high efficiency, convenience and rapidness in assembly and maintenance and the like.

The invention provides a light emitting device and a projection system, which relate to the technical field of lighting. The light emitting device comprises an excitation light source, a dichroscope,a dodging element, a cambered surface reflection element and a wavelength conversion device. The excitation light source is located on one side of the dichroscope, the cambered surface reflection element is located on the other side of the dichroscope, the dodging element is arranged between the dichroscope and the cambered surface reflection element, and the wavelength conversion device and the dodging element are located on the same side of the cambered surface reflection element. The cambered surface reflection element is ellipsoidal, and the end face center point of the end, away from thedichroscope, of the dodging element and the wavelength conversion point of the wavelength conversion device are located at the two focuses of the cambered surface reflection element respectively. According to the light emitting device and the projection system provided by the invention, through the dodging element and the cambered surface reflection element, the dodging effect of the exciting light incident on the wavelength conversion material is improved, the heat dissipation space of the wavelength conversion device is increased, and the collection efficiency of the excited light is improved, so that the light emitting efficiency is improved.

The invention discloses an ultraviolet LED light source system for ink curing. The ultraviolet LED light source system comprises an LED power supply control box and an ultraviolet LED light source outlet head, wherein the ultraviolet LED light source outlet head comprises a spherical surface fixing plate, an ultraviolet LED array is fixedly arranged on an inner side surface of the spherical surface fixing plate and comprises a plurality of LED bead assemblies, the plurality of LED bead assemblies are used for emitting ultraviolet light with different wavelengths, the LED bead assemblies are alternatively arranged on the spherical surface fixing plate, each LED bead assembly comprises a substrate and an LED bead, a collimating lens is fixedly arranged on the substrate and covers the LED bead, a light emergent surface of the collimating lens is in a round shape, a plurality of microlens are arranged on the light emergent surface, the microlens and the collimating lens are integratedly formed, the microlens are closely adjacent to one another, and the power supply control box is used for controlling each LED bead to output according to different output powers. By the light source system, the ink curing requirement can be met by employing LED lighting, so that the uniformity of light rays at an edge of a target surface is improved.

The present invention discloses a light-homogenized rod. The internal portion or / and end face of the light-homogenized rod are provided with a diffraction layer, and the diffraction layer is providedwith a diffraction pattern. The internal portion or / and the end face of the light-homogenized rod are provided with the diffraction layer comprising the diffraction pattern, the diffraction layer enhances the light homogenizing effect to obtain better homogenized light in a condition without increasing the light-homogenized rod or increasing a micro-lens array so as to facilitate reduction of thelength of the large visual field illuminating system, simplify the regulation difficulty of the optical path, and therefore, the light-homogenized rod and the illuminating system are especially suitable for the large visual field illuminating / projection optical system.

The invention provides a bending-deformation-resistant frosted PC (polycarbonate) composite material which is prepared from a PC (polycarbonate) resin, glass fibers, frosted powder, calcium sulfate whiskers, an antioxidant, a dispersing agent and a flame retardant. The glass fibers and frosted powder are mixed according to the specific proportion, and the weight ratio of the glass fibers, frosted powder and calcium sulfate whiskers is limited, thereby implementing better dodging effects.

The invention discloses a projector comprising a light source module, a light source lens group, an imaging device and a projection lens group. An out-light surface and an in-light surface of a uniform light lens both are provided with a plurality of salient points in array form; the light source lens group is provided with a filtering converging lens at an out-light end, and the in-light surface of the filtering converging lens is an outward convex arc-shaped surface; the out-light surface of the uniform light lens is provided with the salient points, and the light equalization effect is good, so, even if the light converging rate of the filtering converging lens is high, a surface beam with uniform light intensity distribution also can be formed; with the filtering converging lens, light effusion loss is reduced, and the light beam, which still has non-uniform light intensity after being processed in light equalization treatment by the light uniform lens, can have more uniform light intensity distribution after being further processed in the light equalization treatment by the filtering converging lens. The projector reduces optical loss in the light source settling process, and improves illumination uniformity in an illumination area, so that the projected images are clear and brighter, and the projector is affected less by environment light source and has good service performance.

The invention discloses a Fresnel lens design method for regional dodging illumination based on a Lambert-type LED light source, and the method comprises the steps: calculating the edge light deflection angles of different regions according to the law of conservation of optical expansion, determining the focal lengths of different regions, and determining the surface type of a Fresnel lens for regional dodging illumination. The Fresnel lens design method is suitable for LED Lambert light emitting or similar Lambert light emitting spotlighting occasions; LEDs with Lambert emergent light are subjected to regional convergence, so that received light rays are more uniform, the problem of non-uniform light spot energy distribution after convergence of the Fresnel lens due to non-uniform light distribution of an LED light source is solved, and the uniformity of an LED lighting system using the lens to condense light can be improved; meanwhile, the design is performed by changing the focal length of the Fresnel lens in each region, so that the design efficiency is greatly improved.

The invention relates to an illumination system, which sequentially comprises a light source, a filter, a shutter, a coupling group, a quartz rod, a relay group and a mask surface along the propagation direction of a light beam, wherein the coupling group adopts an aspheric lens, the filter, the aspheric lens, the quartz rod and the relay group are positioned on the same optical axis, the light beam emitted from the light source is subjected to filtering through the filter, and then is incident on the aspheric lens through the shutter, the light beam coupled through the aspheric lens is subjected to light balancing through the quartz rod and then is incident on the relay group, and the obtained light beam is amplified by the relay group and then is imaged on the mask surface. According to the present invention, the aspheric lens is used as the coupling group, such that the number of the coupling group lenses is reduced, the transmittance of the system is increased, the spherical aberration of the coupling system is reduced, and the coupling efficiency of the system is improved; and the filter is placed between the light source and the shutter, such that the temperatures of the shutter and the coupling group are substantially reduced, and the service lives of the shutter and coupling group are prolonged.

The present invention discloses a multi-waveband LED fluorescence microscope. The multi-waveband LED fluorescence microscope comprises a microscope main body and a multi-waveband LED light source system. The multi-waveband LED light source system is connected with a fluorescence light source interface of the microscope main body through a connection sleeve, the multi-waveband LED light source system comprises a LED base plate, N LED chips and / or LED chip sets, the LED base plate is provided with a first circumference, the N LED chips and / or the LED chip sets are arranged on the first circumference at intervals, the N LED chips and / or the LED chip sets comprise n wavebands with different central wavelengths, N>=n>=2, and the multi-waveband LED fluorescence microscope further comprises an optical path sub system and a control sub system, and the control sub system is configured to control a LED chips and / or LED chip set with selected wave length to face a first incident area of the optical path sub system. The multi-waveband LED fluorescence microscope can achieve automatic replacement for the LED chip with selected wave length, so that the usage is convenient.

The invention discloses a dodging device based on a multi-color light beam. The dodging device comprises an integrator rod, which comprises an incident end and an outgoing end, and is used to provide a reflection channel for the light beam; a curved surface reflection member, which is disposed on the integrator rod, and is used to realize the reflection of the light beam. The invention provides an optical system. The dodging effect is good, at low cost.

The invention provides an illumination system for an X-ray machine and laser projection equipment, and the system comprises a light guide tube, a lens group, and a tube body, wherein the interior of the tube body is provided with a ball socket. The system also comprises a sphere which is provided with a connection through hole, is disposed in the ball socket and makes contact with the spherical surface of the ball socket, wherein there is a spherical rotation freedom degree between the sphere and the ball socket. The light guide tube is disposed in the connection through hole, and is fixedly connected with the sphere. The system also comprises an adjustment system, and the adjustment system comprises a telescoping device and an elastic part, which are arranged to be opposite to each otherin the same direction. The telescoping device and the elastic part are disposed on the tube body in the radial direction of the tube body. On the one hand, an adjustment structure can be used for adjusting the position of the light guide tube, and improves the light uniformizing effect; on the other hand, one end of a first housing and one end of a second housing are used for forming a ball socketstructure, thereby enabling the connection relation between the first housing and the second housing to remain unchanged even during the adjustment of the light guide tube, and guaranteeing the stability of position connection of a relative structure of the light guide tube and the lens group.

The invention relates to the technical field of a lampshade, in particular to an LED lampshade and a processing process thereof. The LED lampshade comprises the following materials in parts by weight:80 to 125 parts of polycarbonate, 12 to 20 parts of PMMA resin, 0.5 to 3 parts of MBS, 3 to 7 parts of reinforced fiber, 5 to 10 parts of mixture and 0.3 to 2 parts of other functional aid, wherein the mixture is obtained by compounding SiO2 and TiO2 according to the weight ratio of 1:(1-2.5). The processing process comprises the following steps: spraying the inner surface of the LED lampshade byusing a hydrofluoric acid solution with the concentration of 40 to 60 percent after the LED lampshade is formed, standing for 3 to 5 minutes, washing with deionized water and drying to obtain an LEDlampshade finished product. According to the LED lampshade provided by the invention and through overall consideration on the composition formula of the lampshade and the final structure of the product, the LED lamp which is convenient to process and has high diffusion property is obtained, has excellent dodging effect and avoids undesirable phenomena of facula, halo and the like on the basis of guaranteeing high light-transmitting performance.

The invention belongs to the technical field of light guiding of LED lamps, and particularly relates to a novel LED lamp light-guiding structure. The novel LED lamp light-guiding structure comprises an LED light source and a light guiding block, the light guiding block is provided with an inlet convex face and a total reflection face, the LED light source faces the inlet convex face, and the totalreflection face is used for total reflection of refraction light rays of the inlet convex face; a plurality of light condensation grooves are evenly distributed on the light guiding block, each lightcondensation groove comprises a light condensation convex face and a receiving flat face facing the light condensation convex face, and the light condensation convex faces and the receiving flat faces are sequentially arranged in the positive direction of reflection light rays of the total reflection face; and a light-out flat face is arranged at the tail end, in the positive direction of the reflection light rays of the total reflection face, of the light guiding block, and the receiving flat faces and the light-out flat face are oppositely arranged. The novel LED lamp light-guiding structure has the beneficial effects that the effect of the uniform light rays can be achieved, the light ray loss is very small, and the light ray utilization rate is increased; material configuration is less, the structure is simple, the size is small, and the space utilization rate is increased; and a traditional sawtooth-shaped structure is omitted, manufacturing is convenient, the quality after forming is good, the light uniformity is good, and the appearance of the light guiding structure is optimized.

The invention discloses a parallel light source. The parallel light source comprises a light source body and a light collector, wherein the light collector is arranged over the light source body in acovering manner; the inner wall of the light collector is provided with a reflecting surface used for reflecting light; the parallel light source further comprises a light shielding plate and a lens unit which are positioned outside the light collector and are sequentially arranged along the route of a light path; the lens unit comprises bioconvex spherical lenses which are used for transforming non-parallel light into parallel light; the light shielding plate is fixedly provided with a light guide tube; the light guide tube and the route of the light path are coaxially arranged; the axis of the light shielding plate is provided with a through hole which penetrates through the light shielding plate and communicates with the inlet of the light guide tube; light enters the light guide tube through the inlet only; the reflecting surface is overlapped with the border of a preset spheroid; and the spheroid takes the light source body and the inlet of the light guide tube as the focuses. Theparallel light source disclosed by the invention can effectively improve the uniformity of the light source; and meanwhile the balsaming lenses can eliminate optical aberration of the light source and can keep the edge of a view field to be clear and sharp.

The invention relates to the field of LED (light-emitting diode) light source illumination, in particular to a light-distributing lens and equipment for a discrete LED light source. An incident plane of the lens comprises an incident side surface and an incident end surface; the incident end surface is a composite surface and comprises a main incident end surface and a sub incident end surface; the sub incident end surface comprises a center sub incident end surface and an off-axis sub incident end surface; the sub incident end surface is a curved surface protruding towards the bottom of the lens; the sub incident end surface is arranged on the main incident end surface. The lens is applied to the discrete LED light source; the sub incident end surface is correspondingly used with each sub light source in the light source; the sub incident end surface converts off-axis light emitted by a sub light source in an off-axis state into on-axis light or paraxial light of the sub incident end surface, wherein the off-axis light is relative to the middle axis of the lens, so that the light intensity of small-angle light can be effectively improved; secondary small-bump lens arrays with a dodging effect are densely distributed on the incident end surface, so that an ideal effect of the illumination light field of the discrete light source which is modulated by the lens is achieved.